Komatsuhydraulic excavatorlarge (pc300 - )
Komatsu PC300(S/N 20001-UP (Mighty Spec))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC300 (S/N 20001-UP, Mighty Spec) is a 30-33 tonne class hydraulic crawler excavator built as part of the Komatsu PC300-5 generation, produced roughly from 1992 to 1999. It is powered by Komatsu's SA6D108-1A-7T turbocharged diesel, an inline six-cylinder engine with mechanically governed fuel injection and no electronic engine control, predating Komatsu's later digital fault-code systems. This serial block followed the PC300-3 (and earlier PC300-1/-2) generation and was itself succeeded by the PC300-6 and PC300-6Z, then the PC300-7 and PC300-8. The line was offered in standard, PC300LC (wide/long-track for added stability), and PC300HD (reinforced heavy-duty structure) undercarriage and frame configurations, with this S/N 20001-UP block factory-designated Mighty Spec alongside a parallel Custom Spec trim built for different markets and duty cycles.
Within the Dash-5 generation, the Mighty Spec designation reflects a factory trim distinct from Custom Spec, generally tied to structural reinforcement, counterweight, and hydraulic tuning suited to sustained heavy-cycle work rather than a change in basic architecture. The platform stayed fully mechanical through this generation; electronic engine management and onboard diagnostics did not arrive until later Komatsu dash levels. That simplicity is exactly why these machines still matter in the used and parts market: mechanical injection and analog hydraulics can be diagnosed and rebuilt with gauges and hand tools rather than dealer scan tools, and major driveline components share commonality with the SA6D108-powered PC300-6 family, which keeps used engines, final drives, and hydraulic parts realistically available. For buyers running demolition, scrap, or quarry duty where electronics are a liability, a well-maintained Mighty Spec PC300-5 remains a straightforward, rebuildable machine.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu PC300(S/N 20001-UP (Mighty Spec)) specifications
Engine
| Engine model | Komatsu SA6D108-1A-7T, 6-cylinder, water-cooled, turbocharged diesel with mechanically governed fuel injection (no electronic engine control). Tied to this S/N 20001-up Mighty Spec block via Komatsu factory parts-book serial breakpoints, superseding the S6D125 family figure an earlier pass had mistakenly carried over from a different platform. |
| Net power | approx. 154 kW (206 HP) gross, per Komatsu factory documentation for this generation. |
| Displacement | Not confirmed for this exact engine variant in available documentation - verify with your dealer. |
| Cylinders | 6 |
| Emissions tier | Pre-emissions-tier design; built in the 1990s before EPA/EU nonroad diesel tiers applied |
Weights
| Operating weight (standard undercarriage) | approx. 32.5 t (71,650 lb). Single-source figure - verify against the machine's data plate. |
| Operating weight (long-carriage / LC variant) | approx. 30.8 t (67,900 lb) as published for the long-carriage sibling of this generation. This is lower than the standard-carriage figure above, which runs counter to the usual pattern of LC variants weighing more, so treat both weight figures as unconfirmed and verify with your dealer. |
| Ground pressure | Not documented for this exact serial range/spec designation - verify with your dealer |
| Transport weight | Not documented separately from operating weight for this serial range |
Dimensions
| Transport length | 10.84 m (35 ft 7 in) |
| Transport width | 2.96 m (9 ft 9 in), standard undercarriage with 600 mm shoes |
| Transport height | 3.06 m (10 ft 0 in) |
| Track shoe width | 600 mm (23.6 in) standard; 760 mm (29.9 in) documented for the long-carriage (LC) variant of this same generation |
| Tail swing radius | Not documented for this exact serial range - verify with your dealer |
| Ground clearance | Not documented for this exact serial range - verify with your dealer |
| Undercarriage length | Not documented for this exact serial range - verify with your dealer |
Performance
| Max dig depth | 8.18 m (26 ft 10 in) |
| Max reach at ground level | 11.73 m (38 ft 6 in) |
| Max dump height | Not documented for this exact serial range - verify with your dealer |
| Max cutting height | Not documented for this exact serial range - verify with your dealer |
| Swing speed | Not documented for this exact serial range - verify with your dealer |
| Travel speed | Not documented for this exact serial range - verify with your dealer |
| Gradeability | Not documented for this exact serial range - verify with your dealer |
| Drawbar pull | Not documented for this exact serial range - verify with your dealer |
Forces
| Bucket digging force | 185 kN tear-out force, with the standard bucket and arm combination for this generation |
| Arm/stick digging force | Not documented for this exact serial range - verify with your dealer |
Service capacities (summary)
| Fuel tank | Not documented for this exact serial range - verify with your dealer |
| Hydraulic system/tank | Not documented for this exact serial range - verify with your dealer |
| Engine oil | Not documented for this exact serial range - verify with your dealer |
| Cooling system | Not documented for this exact serial range - verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PC300(S/N 20001-UP (Mighty Spec)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | approx. 34–35 L (9.0–9.2 US gal) — typical for this machine's inline-6 diesel; exact figure for the Mighty Spec serial range is not separately published, verify against the dealer OMM | Komatsu Genuine engine oil (EO series). EO10-30 covers most ambient ranges; EO10W for cold climates below roughly -20C; EO30 for hot climates. API/Komatsu diesel engine oil classification per the era's factory spec |
| Cooling system | approx. 32 L (8.5 US gal), consistent across the PC300 30-33 ton class; not separately confirmed for the exact Mighty Spec serial block | Komatsu genuine antifreeze coolant (permanent-type ethylene glycol, AF-ACL type), mixed per the OMM's freeze-point chart for the operating region; plain water plus corrosion inhibitor only where freezing is not a concern |
| Fuel tank | not confirmed for this exact serial range; PC300 30-33 ton class factory sheets show anywhere from roughly 340 L to 605 L depending on generation/configuration — varies by configuration/series, confirm against the specific OMM for S/N 20001-UP Mighty Spec | Diesel fuel meeting the factory spec current at time of manufacture (ASTM D975 No. 2-D equivalent), low sulfur content and cetane number per the OMM's fuel quality table; low-sulfur or arctic-grade diesel recommended in cold climates |
| Hydraulic system total | approx. 185–195 L (49–51 US gal) system refill quantity, based on cross-referenced PC300-class factory data; not independently confirmed for the exact Mighty Spec serial block | Komatsu Genuine hydraulic oil (HO series). HO46 for temperate climates, HO32 for cooler climates, HO68 for sustained hot/heavy-duty operation; low-temperature grades (HO10W or equivalent) specified for sub -20C startup per the OMM's temperature chart |
| Hydraulic tank | approx. 200–300 L (53–79 US gal) physical tank volume (larger than the system refill amount since the tank is not filled to the brim); figure not confirmed specifically for this serial/spec, treat as approximate | Same Komatsu Genuine HO-series hydraulic oil as the hydraulic system |
| Final drive (each side) | approx. 13–15 L (3.4–4.0 US gal) per side, based on cross-referenced PC300-class factory data; not independently confirmed for this exact Mighty Spec serial block | Komatsu Genuine powertrain/gear oil (TO series), TO30 or equivalent SAE 30 gear oil grade; TO10W-30 or arctic-grade TO10W where cold-start viscosity is a concern |
| Swing drive (machinery case) | approx. 8–9 L (2.1–2.4 US gal), based on cross-referenced PC300-class factory data; not independently confirmed for this exact Mighty Spec serial block | Komatsu Genuine powertrain/gear oil (TO series), same grade as final drive, selected by ambient temperature per the OMM chart |
| Pilot / other circuits | no separate refill quantity listed — pilot and control circuits draw from the main hydraulic tank on this series | Same Komatsu Genuine HO-series hydraulic oil as the main hydraulic system |
| Grease (chassis and attachment pins) | spec only, no refill volume — greased per lubrication schedule at each pin/bushing point | Komatsu Genuine Grease G2-LI, lithium-based multipurpose EP grease, for standard chassis, boom, arm, and bucket linkage pins; molybdenum-disulphide EP grease specified for heavy-load bucket linkage points where called out in the OMM's lube chart |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PC300(S/N 20001-UP (Mighty Spec)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 8,000 h |
|
Servicing the PC300(S/N 20001-UP (Mighty Spec)) beyond the schedule
Predictive Maintenance & Fluid Analysis
On this Mighty Spec PC300-5, mechanical fuel injection means there is no ECU logging fault history, so oil analysis is the main early-warning tool. Pull samples from the SA6D108-1A-7T engine sump, main hydraulic tank, swing case, and both final drives at every 500-hour interval. Track iron and silicon trends to catch turbocharger bearing wear, hydraulic pump scoring, or final drive gear wear before a mechanical failure strands the machine in the field.
Corrective & Common Repairs
Common failure points on this generation are the mechanical injection pump and nozzles drifting out of calibration, turbocharger shaft play from delayed oil changes, and hydraulic cylinder rod seal leakage on the boom and arm. A sticking main control valve spool shows up as jerky bucket or swing response. With no diagnostic port available, troubleshooting relies on pressure gauges, injection timing checks, and physical inspection rather than pulling stored codes.
Overhaul & Rebuild Points
Past roughly 8000-10000 hours, plan an SA6D108-1A-7T top-end overhaul (liners, pistons, injectors) driven by compression and blow-by trends rather than a fixed schedule. Swing motor and reduction gearbox rebuilds typically follow bearing noise or oil contamination in the swing case. Undercarriage wear on the standard or wide-track LC frame (links, rollers, idlers, sprockets) usually reaches replacement limits in the same window, so bundle undercarriage and final drive rebuilds to limit downtime.
Seasonal & Environment Servicing
Cold climates need correct-viscosity engine oil and coolant concentration for the mechanically injected SA6D108-1A-7T, since there is no cold-start ECU strategy to compensate; rely on a block heater or ether aid instead. In hot, dusty quarry or demolition service typical of Mighty Spec and HD-frame machines, shorten air cleaner and hydraulic breather inspection intervals and check radiator and oil cooler fins for packed debris that drives up hydraulic and engine operating temperature.
PC300(S/N 20001-UP (Mighty Spec)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| 205-979-7080 | Filter | Scheduled service item | Check fitment → |
| 114-X11-3850 | Filter | Scheduled service item | Check fitment → |
| 207-60-51410 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC300(S/N 20001-UP (Mighty Spec)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Coolant Temperature Warning Lamp (red segment) + buzzer | Engine coolant temperature has climbed into the red (overheat) zone monitored by the cab panel; this is an emergency-stop item on this monitor system, with the buzzer sounding continuously | Low coolant level, clogged radiator fins, slipping or broken fan belt, faulty thermostat, or fan drive fault | Stop or idle the engine immediately, let it cool, check coolant level and radiator/fan belt before resuming work |
| Engine Oil Pressure Warning Lamp | Engine lube oil pressure has dropped below the safe threshold; this is an emergency-stop item on this monitor system | Low engine oil level, clogged oil filter, worn oil pump, or oil pressure sender/sensor fault | Shut down the engine at once, check oil level and filter condition before restarting |
| Charge Warning Lamp (battery symbol) | Charging-circuit abnormality flagged by the monitor panel (alternator not charging the battery circuit) | Broken or slipping alternator belt, faulty alternator, or loose/corroded wiring connection | Check belt tension and wiring first, then test alternator output |
| Air Cleaner (Air Filter) Clog Warning Lamp | Intake air restriction across the air cleaner element (dust indicator) has exceeded the allowable limit | Dirty or clogged air filter element, damaged element, or blocked intake ducting | Inspect and clean or replace the air cleaner element, confirm the restriction indicator resets |
| Hydraulic Oil Temperature Warning Lamp | Hydraulic oil temperature has risen above the normal operating range, flagged as a caution item on the monitor panel | Low hydraulic oil level, clogged oil cooler fins, faulty cooler fan, or internal pump/relief valve wear generating excess heat | Reduce load, idle to cool the system, then check oil level and cooler condition |
| Fuel Level Warning Lamp | Fuel tank level has dropped to the low/reserve level, flagged as a caution item on the monitor panel | Low fuel in tank or a faulty fuel level sender/float | Refuel; if lamp stays on with a full tank, check the level sender and wiring |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC300(S/N 20001-UP (Mighty Spec)) attachments & work tools
Buckets
General-duty (GD) buckets for this class run roughly 1.4-1.9 m3 (1.8-2.5 cu yd) with widths near 1.5-1.7 m (59-67 in). Heavy-duty and rock buckets trade width for strength, commonly 0.8-2.0 m3 across roughly 760 mm to 1830 mm (30 to 72 in) widths depending on ground condition; exact range varies by configuration/series. Buckets are pin-on, using roughly 90 mm bucket pins consistent with this machine's stick/bucket linkage, and quick-coupler-mounted buckets share the same pin spacing.
Hydraulic hammers
This machine sits in the 24-30 tonne breaker class. Matching hammers typically run 1,800-2,500 kg working weight with an impact-energy class near 4,500 joule. Oil flow for this class generally falls 140-250 L/min with operating pressure roughly 105-180 bar (varies by brand/configuration), and the excavator's auxiliary circuit must be matched to the breaker's rated flow and pressure to avoid pump damage.
Quick couplers
Both mechanical wedge and hydraulic pin-grabber quick couplers are built for this 15-30 tonne class, sized to the same roughly 90 mm bucket pins used across GD and HD buckets. Hydraulic couplers allow cab-controlled swaps between buckets, thumbs, and other pin-on tools; mechanical wedge couplers are the lower-cost, manual-pin alternative.
Thumbs/grapples
Hydraulic thumb kits pivoting off the stick/bucket linkage are a common fit-up for this class, used for sorting rock, debris, and logs; mechanical (non-hydraulic) thumbs are also offered at lower cost but lack cab-adjustable grip pressure. Dedicated grapple data tied specifically to the Mighty-spec chassis is not documented in available literature - confirm flow and mounting needs with a dealer.
Rippers
A single-shank, pin-on ripper is offered for this size class, mounted on the stick in place of the bucket for breaking up hard-packed ground or soft rock ahead of digging. It is a static (non-vibratory) boom-mounted ripper and does not require a dedicated hydraulic circuit.
Hydraulic kit notes
Hammers and compactors need a one-way auxiliary (medium-pressure) circuit plumbed to the stick; thumbs and multi-processors that require articulation need a two-way circuit. Flow and relief-pressure settings must be matched to the attachment's rating - running above the tool's rated pressure or well below its rated flow reduces breaker efficiency and risks pump damage. Factory hydraulic-kit flow/pressure settings specific to the Mighty-spec variant are not documented in available literature; confirm exact settings with a Komatsu dealer for this serial range.
All PC300(S/N 20001-UP (Mighty Spec)) assemblies by section
Every catalogued assembly group for the Komatsu PC300(S/N 20001-UP (Mighty Spec)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Control System And Revolving Frame
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Boom Foot Pin
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***40 | Bolt,(With Center Guard) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Counter Weight (With Swing Flasher)(#21401-)
| 01***08 | Screw | 1 |
| 20***50 | Shim? 1.0mm | 4 |
| 20***60 | Shim? 2.0mm | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Counter Weight(#21401-)
| 01***08 | Screw | 1 |
| 20***50 | Shim? 1.0mm | 4 |
| 20***60 | Shim? 2.0mm | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Fuel Control Linkage(#20001-21400)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Fuel Control Linkage(#21401-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Knob And Lever? L.H. And R.H.(For Wrist Control)(#21448-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 4 |
| 01***20 | Bolt, Adapter Mounting | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Left Stand And Lever (For Wrist Control)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***16 | Bolt | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Monitor Panel Bracket (For Wrist Control)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 04***93 | Ball,Steel | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Revolving Frame (With Fops)(#21401-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 20***81 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Revolving Frame(#21401-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 20***81 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Right Stand And Lever (Front) (For Wrist Control)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***30 | Bolt,(For Mechanical Governor) | 3 |
| 01***50 | Bolt (Kit) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Right Stand And Lever (Rear) (For Wrist Control)(#20038-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***10 | Screw, Mount Wire Assembly | 2 |
| 01***08 | Screw, Terminal | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Safety Lock Lever Control Linkage (For Wrist Control)
| 01***60 | Bolt, Tube To Oil Cooler | 2 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Travel Control Lever And Pedal (For Wrist Control)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 1 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Control System And Revolving Frame : Travel Control Linkage (For Wrist Control)(#20071-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 6 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 6 |
Engine Related Parts And Electrical System
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Air Cleaner Connection
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 17 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 17 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Am Radio And Speaker (For Wrist Control)
| 01***08 | Screw, Terminal | 4 |
| 01***12 | Screw,(Additional Sun Visor) | 2 |
| 01***10 | Washer,Spring (For Engine Room Lamp) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Battery
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 08***15 | Battery (145g51),(N150) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Battery (Cold Terrain Spec.)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Damper
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Electrical System (Related Parts)(#20010-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Electrical System (Wiring) (Battery To Engine)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Electrical System (Wiring) (Cab To Engine Side Harness)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Electrical System (Wiring) (Cab To Sensor And Valve)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 17 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 19 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Electrical System (Wiring) (For Engine Control)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Fan Guard (Except Japan)(#20338-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 7 |
| 01***80 | Bolt, Mount Tubes To Switch And Work Pumps | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Fuel Gauge Cover(#20910-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 20***41 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Fuel Tank And Piping
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 5 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Level Sensor (For Fuel And Hydraulic Tank)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Lighter And Ashtray (For Wrist Control)
| 20***20 | Lighter,(With Cigaretts Lighter) | 1 |
| 20***40 | Ashtray | 1 |
| (2***1) | Cigaret Ass'Y Group | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Monitor Panel And Controller (For Wrist Control) (Except Japan)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***20 | Screw | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Monitor System (Except Japan)
| 08***03 | Bulb? 3w,Turn Signal Lamp | 2 |
| 78***00 | Panel Ass'Y | 1 |
| 78***00 | Panel Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Oil Cooler(#21401-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***20 | Bolt? Wing,Wing (For Slag Handling) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Pressure Sensor And Pressure Switch
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Radiator (With Fan Guard) (Except Japan)(#21401-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 18 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 18 |
| 07***07 | O-Ring - (K7) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Radiator Mounting
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Radiator Piping
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Radiator(#21401-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 23 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 23 |
| 07***07 | O-Ring - (K7) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Redio-Less (For Wrist Control)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 20***10 | Cover,(For Radio-Less) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Self Supply Pump
| 01***30 | Bolt,(For Mechanical Governor) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***13 | Seat (Welded) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Swing Flasher (Rotating Light)
| 01***06 | Screw | 8 |
| 01***08 | Screw | 8 |
| 01***10 | Screw,(For Lighter) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Swing Flasher Wiring (Cab Side) (For Wrist Control)
| 01***20 | Bolt,(Without Maintenance Monitor) | 1 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Swing Flasher Wiring (Chassis Side)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***19 | Seat,(Welded To Revolving Frame) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Switch And Meter (For Wrist Control)
| 01***10 | Screw | 2 |
| 01***10 | Washer,Spring (For Engine Room Lamp) | 2 |
| 09***06 | Cap,(Without Head Lamp) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Travel Alarm Wiring (Cab Side) (For Wrist Control)(#21401-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 1 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Travel Alarm Wiring (Shassis Side)(#21401-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***95 | Bolt,L.H | 2 |
| 01***16 | Washer,(For 35a Alternator) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Water Separator? Pre-Fuel Filter And Piping(#21610-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***25 | Seat (Welded) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Wiring In Cab (Controller Bracket Side) (For Wrist Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Wiring In Cab (For Panel Stand) (For Wrist Control)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Engine Related Parts And Electrical System : Wiring In Cab (For Wiper Motor And Ground Connection) (For Wrist Control)
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Guard
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Piping (Cooling)(#20001-22629)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***55 | Bolt, Mount Lh Bracket | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Piping (Cooling)(#22630-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***55 | Bolt, Mount Lh Bracket | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Piping (Heating)(#20001-22629)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 11 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Piping (Heating)(#22630-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Related Parts(#20001-22629)
| 01***12 | Bolt,(With Cylinder Cover) | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Air Conditioner Related Parts(#22630-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***30 | Bolt,R.H | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Battery Case
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Battery Case (With Air Conditioner)(#20001-22629)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Battery Case (With Air Conditioner)(#22630-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Battery Case (With Car Cooler)(#20001-22629)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cab Guard(#23236-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 7 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 11 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Car Cooler And Piping(#21401-22629)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Car Heater And Piping
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***60 | Bolt, Tube To Oil Cooler | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Car Heater And Piping (Large Capacity)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 11 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Catcher And Cover (For Hood)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Compressor (Air Conditioner)(#20001-22629)
| 04***20 | Ring, Snap | 1 |
| 14***90 | Bearing | 2 |
| 14***10 | Clutch Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Compressor (Air Conditioner)(#22630-)
| 20***80 | Compressor Ass'Y | 1 |
| TW***30 | Compressor | 1 |
| TW***90 | Bolt | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Compressor Related Parts (Air Conditioner)(#20001-22629)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Compressor Related Parts (Air Conditioner)(#22630-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Condenser Related Parts (Air Conditioner)(#20001-22629)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***40 | Bolt,(With Air Conditioner) | 10 |
| 01***11 | Nut,(With Under Mirror) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Condenser Related Parts (Air Conditioner)(#22630-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***11 | Nut,(With Under Mirror) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Condenser Unit (Air Conditoner)(#20001-22629)
| 20***50 | Condenser Ass'Y | 1 |
| 20***50 | Core | 1 |
| 20***60 | Shroud, Fan | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Condenser Unit (Air Conditoner)(#22630-)
| 20***20 | Condenser Ass'Y | 1 |
| TW***10 | Shroud | 1 |
| TW***60 | Condenser | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Control Unit (Air Conditioner)(#20001-22629)
| 20***60 | Control Ass'Y | 1 |
| 20***00 | Switch | 1 |
| 20***10 | Ornament | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cooling Unit (Air Conditioner)(#20001-22629)
| 20***10 | Cooling Unit | 1 |
| 20***10 | Case Ass'Y | 1 |
| 20***20 | Case Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cooling Unit (Air Conditioner)(#22630-)
| 11***50 | Filter | 1 |
| 20***10 | Air Conditioner A | 1 |
| TW***90 | Plate | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cover
| 01***30 | Bolt,(Not Used With Emergency Str.) | 17 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 17 |
| 20***11 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cover (For Wrist Control)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 20***30 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cover And Frame
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***40 | Bolt,(With Service Valve R.H.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Cover And Frame (With Fops)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***40 | Bolt,(With Center Guard) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Defroster (For Wrist Control)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 07***19 | Clamp, Hose | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Electrical System (Air Conditioner)(#20001-22629)
| 01***12 | Bolt,(With Cylinder Cover) | 1 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 7 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Frame (For Wrist Control) (For Additional Pipung)(#20001-22629)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Frame (For Wrist Control) (For Additional Pipung)(#22630-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Frame (For Wrist Control)(#20001-22629)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Frame (For Wrist Control)(#22630-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Frame Mount (For Wrist Control)
| 01***75 | Bolt | 6 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
| 07***25 | O-Ring,(See Fig. H0311-01a0-30) | 30 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Mat (For Wrist Control)
| 20***50 | Mat,Floor | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Floor Mat (For Wrist Control) (For Additional Piping)
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Frame
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Frame (For Left Side Cover)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***40 | Bolt,(With Service Valve R.H.) | 5 |
| 01***30 | Bolt,(Without Shutter) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Frame (For Right Side Cover)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Hood(#21401-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***50 | Bolt,(For Strengthened Cover) | 4 |
| 01***10 | Screw,(For Lighter) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Left Side Cover(#20001-21496)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Left Side Cover(#21497-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (1/7) (Cab) (For U.S.A. And Canada)(#21401-)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (1/7) (Cab) (K.S.P. Spec.)(#21401-)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (1/7) (Cab)(#21401-)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***55 | Bolt, Mount Lh Bracket | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (2/7) (Front Window) (For U.S.A. And Canada)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (2/7) (Front Window) (K.S.P. Spec.)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (2/7) (Front Window)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (3/7) (Front And R.H. Side Window) (For U.S.A. Andcanada)(#21401-)
| 01***30 | Screw | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 08***10 | Grommet,(For Slag Handling) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (3/7) (Front And R.H. Side Window) (K.S.P. Spec.)(#21401-)
| 01***30 | Screw | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 08***10 | Grommet,(For Slag Handling) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (3/7) (Front And R.H. Side Window)(#21401-)
| 01***30 | Screw | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 08***10 | Grommet,(For Slag Handling) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (4/7) (Side And Rear Window) (K.S.P. Spec.)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***20 | Screw (Not Illustrated) | 2 |
| 01***12 | Screw,(Not Shown) (For Std Cab) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (4/7) (Side And Rear Window)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***20 | Screw (Not Illustrated) | 2 |
| 01***12 | Screw,(Not Shown) (For Std Cab) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (4/7)(Side And Rear Window)(For U.S.A. And Canada)(#21401-)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***20 | Screw (Not Illustrated) | 2 |
| 01***12 | Screw,(Not Shown) (For Std Cab) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (5/7) (Inside Cover) (For U.S.A. And Canada)(#21401-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (5/7) (Inside Cover) (K.S.P. Spec.)(#21401-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (5/7) (Inside Cover)(#21401-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (6/7) (Door 1/2) (For U.S.A. And Canada)(#21401-)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (6/7) (Door 1/2) (K.S.P. Spec.)(#21401-)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (6/7) (Door 1/2)(#21401-)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (7/7) (Door 2/2) (For U.S.A. And Canada)(#21401-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (7/7) (Door 2/2) (K.S.P. Spec.)(#21401-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Operator'S Cab (7/7) (Door 2/2)(#21401-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Partition Plate
| 01***30 | Bolt,(Not Used With Emergency Str.) | 17 |
| 01***12 | Screw,(For Fixed Type Ripper) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 17 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Rear View Mirror? L.H.
| 01***25 | Bolt,See Fig. K4010-65a0 | 4 |
| 08***18 | Mirror | 2 |
| 20***21 | Support | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Rear View Mirror? R.H.
| 01***25 | Bolt,See Fig. K4010-65a0 | 2 |
| 20***71 | Support | 1 |
| 20***80 | Clamp | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Rear View Mirror? R.H. (Ksp Spec.)
| 01***25 | Bolt,See Fig. K4010-65a0 | 2 |
| 20***80 | Support | 1 |
| 20***10 | Mirror | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Right Side Cover (Except Japan)(#20202-21496)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Right Side Cover (Except Japan)(#21497-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Seat Beat (For Wrist Control)
| 01***40 | Bolt,(With Service Valve R.H.) | 2 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
| 09***01 | Bolt,(For Shipping) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Seat Belt
| 20***40 | Belt,Seat | 1 |
| (2***1) | Seat Belt Group | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Under Cover (For Frame L.H.)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 28 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 28 |
| 20***31 | Cover | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Guard : Under Cover (For Frame L.H.) (Heavy Duty)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 32 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 32 |
| 20***30 | Cover | 1 |
Mark Plate? Tool And Kit
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Cap And Overalls (Except Japan)
| 09***50 | Overall,(Special Order) | 1 |
| 09***50 | Cap And Overall Kit,(Except Japan) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Kit
| 07***80 | O-Ring (Kit) | 2 |
| 07***90 | O-Ring,(Y1620-41a0a-11) | 1 |
| 07***35 | O-Ring, Upper Cooler Inlet And Outlet Ports | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Battery Caution) (For U.S.A. And Puertorico)
| 09***68 | Plate? Instruction,Battery? Distributor (For Usa) | 2 |
| 09***81 | Plate? Instruction,Battery (Usa? Puerto Rico Spec | 2 |
| (2***0) | Usa Mark Group | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Chassis Side) (English)
| 01***08 | Screw | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Chassis Side) (English) (Ksp Spec.)
| 01***08 | Screw | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Off Limit Within Swing Area | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Chassis Side) (Indonesian)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
| 09***61 | Plate? Instruction,(Indonesian-English)(Not Shown | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Chassis Side) (Mighty) (K.S.P. Spec.)(#21401-)
| 20***50 | Plate? Mark,Mighty | 1 |
| 20***60 | Plate? Mark,Mighty | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Chassis Side) (Mighty)(#21401-)
| 20***40 | Plate? Mark,Mighty | 1 |
| 20***50 | Plate? Mark,Mighty | 1 |
| 20***60 | Plate? Mark,Mighty | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (For U.S.A.)(#21401-)
| 20***90 | Plate? Caution,Maximum Height? Reach(For Usa) | 1 |
| 20***40 | Plate,Lifting Capacity | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Operator'S Cab Side) (English) (Except U.S.A. And Canada)
| 09***00 | Plate? Mark,Komatsu | 1 |
| 09***15 | In Komatsu In On Grill | 1 |
| 09***60 | Plate? Mark,Symbol | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Operator'S Cab Side) (English) (For U.S.A. And Canada)
| 09***00 | Plate? Mark,Komatsu | 1 |
| 09***15 | In Komatsu In On Grill | 1 |
| 09***60 | Plate? Mark,Symbol | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Operator'S Cab Side) (English) (K.S.P. Spec.)
| 20***30 | Plate? Caution,Wiper Motor Connector | 1 |
| 20***30 | Plate? Operating,(Iso Pattern) | 1 |
| 20***50 | Plate? Caution,Inspection And Maintenance | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Operator'S Cab Side) (Indonesian)
| 09***00 | Plate? Mark,Komatsu | 1 |
| 09***15 | In Komatsu In On Grill | 1 |
| 09***60 | Plate? Mark,Symbol | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Panel And Control Stand Side) (For Wrist Control) (English)
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
| 20***20 | Plate,Komatsu | 1 |
| 20***80 | Plate? Operating,T.V.C. Prolix | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Panel And Control Stand Side) (For Wrist Control) (Indonesian)
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
| 20***20 | Plate,Komatsu | 1 |
| 20***70 | Plate? Operating | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Work Equipment Side)
| 09***00 | Decal, "Komatsu" (Front Edge Of Decks) | 1 |
| 20***30 | Plate? Mark,(For Backhoe) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Marks And Plates (Work Equipment Side) (K.S.P. Spec.)
| 09***00 | Decal, "Komatsu" (Front Edge Of Decks) | 1 |
| 20***20 | Plate? Mark,(For Backhoe) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Spare Parts (Except Japan)
| 07***22 | O-Ring,(See Fig.Y1852-01a0) | 1 |
| 07***80 | O-Ring, Front Coupling Cage | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Vandalism Protection
| 07***32 | O-Ring,Drain Plug? Main Clutch | 1 |
| 20***00 | Breather Ass'Y | 1 |
| 20***10 | Element | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Mark Plate? Tool And Kit : Vandalism Protection (With Breather Hose)
| 20***60 | Cap,With Lock | 1 |
| 20***40 | Packing,(Wa320-1m?1p) | 1 |
| 20***40 | Cap | 1 |
Swing System
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Swing System : Swing Circle
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 49 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Swing System : Swing Machinery (1/2)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***60 | Bolt,(For Ripper) | 11 |
| 01***95 | Bolt | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Swing System : Swing Machinery (2/2)
| 01***40 | Bolt, Mount Master Brake Cylinder | 12 |
| 01***80 | Bolt,(With Scarifier) | 12 |
| 01***05 | Bolt,(Without Rops) | 3 |
Under Carriage
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Carrier Roller
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 06***11 | Bearing,Roller | 2 |
| 07***00 | O-Ring,Guide | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Final Drive And Sprocket
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 16 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 3 |
| 01***85 | Bolt,(Tree Pusher Dozer) | 40 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Front Idler
| 07***75 | O-Ring,Steering Oil Filter | 2 |
| 07***34 | O-Ring,Transmission And Steering Case | 1 |
| 07***18 | Plug,(Without Alarm Device) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Idler Cushion(#20001-23290)
| 01***75 | Bolt, Hanger Bearing Mounting | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***75 | Bolt,(Reinforced Type) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Idler Cushion(#23291-)
| 01***75 | Bolt, Hanger Bearing Mounting | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Track Frame (With Under Cover)(#21401-)
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Track Frame(#21401-)
| 01***40 | Bolt,(With Service Valve R.H.) | 6 |
| 01***55 | Bolt, Mount Lh Bracket | 12 |
| 01***00 | Screw | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Track Roller
| 01***60 | Flat Washer - M20 (Hardened) | 56 |
| 20***50 | Track Roller Ass'Y | 14 |
| 20***12 | Roller,Track | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Track Roller Full Guard(#21497-)
| 01***50 | Bolt (Op) | 24 |
| 01***15 | Nut (Op) | 16 |
| 01***45 | Washer,(Without R.O.P.S.) | 32 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Track Shoe (Triple Grouser With Hole)(#21401-)
| 14***40 | Seal,Dust? Regular? W-Type | 180 |
| 14***12 | Bushing? Regular,Regular | 0 |
| 14***32 | Bushing? Regular,Regular | 0 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Travel Piping
| 01***32 | Washer, (Without Emergency Steering) | 32 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Under Carriage : Under Cover (For Center Frame)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 20***20 | Cover | 1 |
Work Equipment
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Additional Piping (Attachment Side) (Arm)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 24 |
| 01***85 | Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Additional Piping (Attachment Side) (Boom)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 32 |
| 01***85 | Bolt, Mount Tubes To Switch And Work Pumps | 20 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 72 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Additional Piping (Nippon Pneumatic Breaker) (1/2)
| 01***20 | Screw | 4 |
| 01***14 | Nut | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Additional Piping (Nippon Pneumatic Breaker) (2/2)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 07***38 | O-Ring, (Without Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Additional Piping (Okada Breaker)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 07***38 | O-Ring, (Without Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Arm Cylinder
| 01***60 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***40 | Bolt,(With Service Valve R.H.) | 6 |
| 01***85 | Bolt (Kit) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Arm Cylinder Lock Valve Piping (Attachment Side) (Rexroth)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Arm Cylinder Piping (Attachment Side)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 16 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Arm Cylinder Piping (Attachment Side) (Rexroth)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 7 |
| 01***55 | Bolt, Mount Lh Bracket | 3 |
| 01***60 | Bolt, Tube To Oil Cooler | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Arm(#21401-)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Boom (Heavy Duty)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***40 | Bolt,(With Center Guard) | 2 |
| 01***19 | Nut - M24 | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Boom Cylinder
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Boom Cylinder Lock Valve Piping (Attachment Side) (Rexroth)
| 01***20 | Bolt,(With Auto Emergency Steering) | 16 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Boom Cylinder Piping (Attachment Side)
| 01***32 | Washer, (Without Emergency Steering) | 32 |
| 07***32 | O-Ring,(See Fig. H0312-01a0-4) | 8 |
| 07***49 | Flange, Split - Divider Valve End | 16 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Bucket Cylinder
| 01***60 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Bucket Cylinder Piping (Attachment Side) (Arm Side)
| 01***32 | Washer, (Without Emergency Steering) | 16 |
| 07***32 | O-Ring,(See Fig. H0312-01a0-4) | 4 |
| 07***49 | Flange, Split - Divider Valve End | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Bucket Cylinder Piping (Attachment Side) (Boom Side)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***80 | Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***55 | Bolt,(For Reinforced Type) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Link
| 01***19 | Nut - M24 | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 3 |
| 20***80 | Seal,Dust (Kit) | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Ripper Bucket? 0.8m3? 1200mm
| 09***08 | Pin,(Without Pin Puller) | 3 |
| 19***31 | Point,Short?(Yellow) | 3 |
| 20***20 | Shank (Welded) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Rock Bucket 1.2m3? 1310mm
| 01***65 | Bolt, Mount Side Weights | 4 |
| 01***65 | Bolt | 4 |
| 01***60 | Flat Washer - M20 (Hardened) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Side Cutter (For Rock Bucket)
| 19***21 | Nut? Shoe,(Kit 195-32-05100) | 10 |
| 19***10 | Bolt? Shoe,Track? L.H | 10 |
| 19***20 | Nut? Shoe (Y0320-K01 | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Single Shank Ripper
| 09***08 | Pin,(Without Pin Puller) | 1 |
| 19***31 | Point,Short?(Yellow) | 1 |
| 20***10 | Collar | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Stop Valve (For Additional Piping)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Three Shank Ripper
| 01***20 | Bolt | 3 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
| 09***08 | Pin,(Without Pin Puller) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Work Equipment Lubrication Piping (Boom Side)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment : Working Lamp (Boom Side)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 1 |
| 01***11 | Nut - Mounting | 1 |
Work Equipment Control System
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Additional Piping (Block To/From Boom Side)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 8 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Additional Piping (Chassis Side) (Control Valve To/From Block)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 3 |
| 01***50 | Bolt,(For Strengthened Cover) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 7 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Additional Piping (Return)
| 01***90 | Bolt, Fan Mounting | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Arm Cylinder Lock Valve Piping (Chassis Side) (Rexroth)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***10 | Nut,(Dust?Drip Proof? Trimming S.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Arm Cylinder Piping (Chassis Side)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
| 01***55 | Bolt,(For Reinforced Type) | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Boom Cylinder Lock Valve Piping (Chassis Side) (Rexroth)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***75 | Bolt, Tube Mounting | 1 |
| 01***05 | Bolt, Mount Tube | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Boom Cylinder Piping (Chassis Side)(#20038-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 10 |
| 01***32 | Washer, (Without Emergency Steering) | 12 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Boom Drift Preventive Piping(#21401-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 16 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Breather (For Hydraulic Tank) (With Breather Hose)
| 28***20 | Element,(Wa320-1m?1p) | 1 |
| 41***70 | O-Ring,(Wa320-1m?1p) | 2 |
| 41***80 | O-Ring,(Wa320-1m?1p) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Bucket Cylinder Piping (Chassis Side)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Check Valve
| 04***10 | Ring, Retaining | 1 |
| 20***90 | Poppet | 1 |
| 20***10 | Spring | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Pedal (For Additional Piping)
| 20***11 | Pedal Ass'Y,Control | 1 |
| BK***03 | Pedal Ass'Y | 1 |
| BK***01 | Valve Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (1/7)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***55 | Bolt,(10m) | 4 |
| 01***50 | Bolt,(For Strengthened Cover) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (2/7)
| 01***20 | Bolt, Mount Spool Covers | 22 |
| 04***08 | Pin, Dowel | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (3/7)
| 07***10 | O-Ring,Plate | 1 |
| 07***18 | O-Ring, Divider Valve Mounting | 3 |
| 07***10 | Ring,Back-Up | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (4/7)
| 01***20 | Bolt, Mount Spool Covers | 15 |
| 01***25 | Bolt | 1 |
| 01***30 | Bolt (Itl) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (5/7)
| 07***23 | O-Ring,(F2320-62a0 -18 ) | 2 |
| 07***34 | O-Ring,Transmission And Steering Case | 4 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (6/7)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve (7/7)
| 07***14 | O-Ring,(F4350-63a1a-2 ) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 07***34 | O-Ring,Transmission And Steering Case | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve To/From Swivel Joint Piping (For Left Travel)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***26 | Washer,Plain | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Control Valve To/From Swivel Joint Piping (For Right Travel)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***40 | Bolt,(With Service Valve R.H.) | 6 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Cross Valve (For Additional Piping)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Drain Piping(#21401-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***11 | Nut,(With Under Mirror) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Gear Pump Bypass Line (Cold Terrain (B)Spec.)
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : High-Low Valve
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***45 | Bolt | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (1/16) (Unit)
| 01***55 | Bolt,(10m) | 2 |
| 01***10 | Bolt, Fan Mounting | 3 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (10/16) (Servo Valve? Front) (3/4)
| 70***11 | Valve Ass'Y,Co And Nc | 1 |
| (****0) | Plug | 1 |
| (****1) | O-Ring | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (11/16) (Servo Valve? Front) (4/4)
| 07***16 | O-Ring,Water Pump | 1 |
| 70***50 | Bolt | 4 |
| 70***72 | Solenoid Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (12/16) (Servo Valve? Rear) (1/3)
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
| 07***11 | O-Ring (Kit) | 2 |
| 07***48 | O-Ring,(F4350-64a0 -21 ) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (13/16) (Servo Valve? Rear) (2/3)
| 70***11 | Servo Valve Sub A | 1 |
| (****3) | O-Ring | 1 |
| (****9) | Washer, Spring | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (14/16) (Servo Valve? Rear) (3/3)
| 70***11 | Valve Ass'Y,Co And Nc | 1 |
| (****0) | Plug | 1 |
| (****1) | O-Ring | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (15/16) (Gear Pump)
| 01***30 | Screw | 3 |
| 01***32 | Washer, (Without Emergency Steering) | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (16/16) (Relief Valve)
| 07***10 | O-Ring,(F4350-62a0 -5 ), O-Ring; Komatsu S/N 22***01 & Abv - Was 07000-02010, O-Ring; Was 07000-02010 | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 70***10 | O-Ring (Kit) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (2/16) (Pump Sub Ass'Y) (1/6)
| 01***45 | Screw | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***75 | O-Ring,Steering Oil Filter | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (3/16) (Pump Sub Ass'Y) (2/6)
| (****0) | Seal,Oil | 1 |
| (****3) | Washer | 8 |
| (****5) | O-Ring | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (4/16) (Pump Sub Ass'Y) (3/6)
| (****0) | Cradle Sub Ass'Y,Front | 1 |
| (****1) | Valve Plate,Front | 1 |
| (****3) | Washer | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (5/16) (Pump Sub Ass'Y) (4/6)
| 04***28 | Bolt,Lifting | 1 |
| (****0) | Ring | 2 |
| (****0) | O-Ring | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (6/16) (Pump Sub Ass'Y) (5/6)
| 01***45 | Screw | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***75 | O-Ring,Steering Oil Filter | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (7/16) (Pump Sub Ass'Y) (6/6)
| (****0) | Plate | 1 |
| (****1) | Spacer | 2 |
| (****5) | Key | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (8/16) (Servo Valve? Front) (1/4)
| 01***12 | Bolt (M8-1.25x12) | 1 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Pump (9/16) (Servo Valve? Front) (2/4)
| 70***11 | Servo Valve Sub A | 1 |
| (****3) | O-Ring | 1 |
| (****9) | Washer, Spring | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Tank
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 2 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Hydraulic Tank (With Breather Hose)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 2 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Line Filter
| 07***11 | O-Ring,(Tm8202-009) | 1 |
| 07***90 | O-Ring,(Y1620-41a0a-11) | 1 |
| 07***35 | O-Ring, Upper Cooler Inlet And Outlet Ports | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Line Filter To Control Valve Piping
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***80 | Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Lock Valve
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 07***28 | O-Ring, Strainer To Control Pump Line | 1 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Main Filter
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 10 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : O.L.S.S. Piping
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***40 | Bolt,(With Service Valve R.H.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Oil Cooler Piping
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 16 |
| 01***80 | Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve (For Travel)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 07***21 | O-Ring,Water Piping | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve (For Work Equipment) (For Wrist Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***11 | Nut | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve Piping (Shuttle Valve T/F Control Valve Rear Side) (W/Cylinder Lock Valve) (Rexroth)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve Piping (Shuttle Valve To/From Control Valve Front Side)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***50 | Bolt,(For Strengthened Cover) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve Piping (Shuttle Valve To/From Control Valve Rear Side)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve Piping (Shuttle Valve To/From Travel Shuttle Valve)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : P.P.C. Valve Return Piping (For Wrist Control)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***50 | Bolt,(For Strengthened Cover) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Pilot Piping (Pedal To/From Shuttle Valve) (For Additional Piping)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Pilot Piping (Shuttle Valve To/From Control Valve)(For Additional Piping)
| 01***65 | Bolt,(Except Japan) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 14 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Ppc Valve Piping (Block T/F Shuttle Valve) (For Wrist Control) (Except Japan)
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
| 01***80 | Bolt,(Not Shown) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Ppc Valve Piping (Ppc Valve T/F Block) (For Wrist Control)
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Ppc Valve Piping (Travel Ppc Valve To/From Shuttle Valve) (For Wrist Control)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Pump To Line Filter Piping
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 8 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Pump To Line Filter Piping (With Quick Coupler)(#21401-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 8 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Pump To Safety Lock Valve Piping
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Return Check Valve
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Return Filter (For Additional Piping)
| 07***25 | O-Ring,Injection Pump Mounting | 1 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
| 20***10 | Filter Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Return Piping
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Shuttle Valve (For Arm And Swing)
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 2 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 07***09 | Plug,(For 2-Actuater Attachment) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Shuttle Velve (For Boom? Bucket And Travel)
| 04***52 | Ball,Detent | 2 |
| 07***07 | O-Ring - (K10) | 3 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Slow Return Valve
| 04***10 | Ring, Retaining | 1 |
| 20***10 | Spring | 1 |
| 20***20 | Seat,Snap | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Solenoid Valve (Arm Finishing Operation Mode)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Solenoid Valve Piping
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 5 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Solenoid Valve Piping (Arm Finishing Operation Mode)
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 5 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 4 |
| 07***11 | Hose,(Yellow) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Swing Motor (1/2)
| 04***30 | Ring,Snap? Sprocket | 1 |
| 07***15 | O-Ring,(For Low Speed) (D40pf) | 1 |
| 70***50 | Swing Motor Ass'Y | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Swing Motor (2/2)
| 07***22 | O-Ring,Lubricating Oil Pipe | 1 |
| 07***22 | Ring, Back-Up | 2 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 5 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Swing Motor Piping
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***50 | Bolt,(For Strengthened Cover) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Swivel Joint
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***35 | Bolt,(For Position Fixing) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Tank To Pump Piping
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 15 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Travel High-Low Valve Piping
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 7 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Travel Motor (1/3)
| 04***24 | Ring | 1 |
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 4 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Travel Motor (2/3)
| 04***93 | Ball,Steel | 2 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 4 |
| 07***23 | O-Ring (K8) | 2 |
Komatsu : Pc300(S/N 20001-Up (Mighty Spec)) : Work Equipment Control System : Travel Motor (3/3)
| 07***20 | O-Ring | 1 |
| 07***20 | Ring, Back-Up | 2 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 1 |
PC300(S/N 20001-UP (Mighty Spec)) serial number reference
The PIN plate sits on the front of the revolving frame between the two boom foot/hydraulic arm mounts, usually under a small KOMATSU-marked cover plate; a duplicate stamping is often found on the frame itself in the same area. This placement is standard Komatsu excavator practice generally, not confirmed as PC300-5-specific, so check both the front and rear stampings if one is worn. Read the number as issued: a leading letter marks a distinct build batch or assembly run, and the digits that follow are the sequential unit count within that run.
| Prefix | Identifies | Notes |
|---|---|---|
| 200 | PC300 / PC300LC, Mighty Spec, S/N 20001-UP | Factory parts book families this run under the Mighty Spec heading, turbocharged SA6D108-1A-7T engine, within the broader PC300-5 generation production run. A separate Custom Spec parts book also starts at S/N 20001-UP under its own model heading; treat as a distinct catalog family, not this one. |
| 214 | PC300-5 / PC300LC-5 Mighty (uprated-output changeover point), S/N 21401-UP | Shop-manual serial breakdowns for the same -5 generation show standard PC300-5/PC300LC-5 starting at 20001-UP with the Mighty (higher-output) designation applying from 21401-UP within that run. This conflicts with the parts-book heading that applies the Mighty Spec label to the full 20001-UP range. Varies by source/document; confirm the exact break against the machine's own plate with your dealer. |
Frequently asked questions
What engine does the Komatsu PC300 (S/N 20001-UP, Mighty Spec) use?
It runs Komatsu's SA6D108-1A-7T turbocharged diesel, an inline six-cylinder engine with mechanically governed fuel injection and no electronic engine control, rated at approximately 154 kW (206 HP) gross.
What is the operating weight of this machine?
Operating weight runs approximately 30.8 to 33.0 tonnes (67,900 to 72,800 lb) depending on undercarriage (standard versus LC wide-track), counterweight, and bucket fitted.
What replaced the Komatsu PC300 (S/N 20001-UP, Mighty Spec)?
It was succeeded by the Komatsu PC300-6 and PC300-6Z generation, later followed by the PC300-7 and then the PC300-8 as Komatsu moved to electronic engine control and updated hydraulics.
What PC300(S/N 20001-UP (Mighty Spec)) owners discuss
What hydraulic symptoms come up most often as these machines rack up hours?
Loss of digging force and sluggish cylinder response are the recurring complaints, and owners trace them back to a short list of causes: relief valve settings drifting low, worn or scored main pump pistons, and internal cylinder bypass. A failing pump usually shows as slow boom/arm speed under load while everything looks normal at idle unloaded. Before condemning the pump, check for suction-side restriction (plugged strainer, collapsed hose) since it produces the same symptoms and is far cheaper to fix. Pressure and flow numbers vary by pump/valve calibration and by hours on the machine, so treat any single figure as a starting point and confirm against the service data for this serial range, not a universal spec.
What undercarriage wear pattern is typical for this machine, and does it hold up?
On a machine in this weight class, undercarriage is treated as a wear item on used units, not a warranty item. Two failure signatures show up repeatedly: uneven or scalloped shoe wear from mismatched or misaligned track tension, and rusted or seized rollers and idlers on units that sat outdoors for extended periods. Running tracks too tight or too loose accelerates wear either way, and heavy use in reverse or on abrasive ground pulls remaining life down faster than book expectations. Because ground conditions and operator habits swing undercarriage life by a wide margin, treat any quoted remaining-percentage figure on a used machine as a negotiating point, not a guarantee.
Are there known quirks with the engine on this generation?
The turbocharged engine in this generation gets a good reputation for durability when serviced on schedule, with long-time users noting these engines tend to outlast the rest of the machine around them. The complaint that shows up repeatedly on aging units is loss of fuel prime: a plugged screen in the hand-priming pump fitting, or hairline cracks at fuel line connections, cause hard starting or stalling that can look like an injection pump failure. Clearing the priming screen and checking hose fittings before condemning the feed pump or injection pump saves needless expense. Parts and reman availability for this engine family has gotten tighter and pricier as the fleet ages, which is worth budgeting for on an older unit.
What electrical or sensor problems show up, and how do owners chase them down?
Faults on this generation trace overwhelmingly to wiring and connectors rather than the control units themselves. A swing that won't release is most often a solenoid not getting its release signal, so the wiring to the swing brake solenoid gets checked before the valve is replaced. On the pump control side, weak or erratic output at the pump control valve is more often a corroded connector or chafed harness than a bad controller, and solenoid resistance should fall within the range given in the service data; a reading outside that range points to the solenoid itself. This generation predates self-diagnostic displays, so isolating a fault generally means pulling connectors and checking continuity rather than pulling a code. Have your dealer verify any wiring repair on circuits tied to swing brake release or pump control before returning the machine to service.
Is there a known travel motor or final drive issue to watch for?
A recurring nuisance on older units is a travel motor shaft seal that lets case drain oil pressurize the final drive housing, which eventually pushes oil out around the final drive seal. Owners who have chased this report that a straight seal swap does not always hold, and the real cause can be a restricted case drain line (crushed hose, trapped debris, or a travel motor worn enough internally to choke case drain flow) rather than the seal alone. Anyone rebuilding a travel motor on this machine should case-drain flow test it before putting it back in service, since a motor that looks fine externally can still be starving on case drain. Because this affects track drive, have your dealer verify any final drive or travel motor repair before returning the machine to full duty.
What causes boom drift on these machines, and is it a valve or a cylinder problem?
Boom drift with no visible external leak is a common complaint as these cylinders age, and it is almost always internal seal wear letting oil bypass the piston rather than a valve fault. The typical description from owners: the boom moves, stops, then creeps down slowly, or the machine cannot hold a loaded bucket off the ground. A seal kit replacement in the cylinder usually resolves it, but confirm the control valve is not also leaking internally before assuming the cylinder is the sole cause, since both faults produce similar symptoms from the seat. Because uncontrolled boom drop is a hazard to anyone working near the machine, have your dealer verify cylinder and valve repairs before returning it to work near ground crew.
What should a buyer check before purchasing a used one of these machines?
Buyers consistently focus on the same handful of items before money changes hands: undercarriage condition (shoe wear pattern, roller and idler play, rust from sitting idle), hydraulic response under load (cylinders and swing should move without lag, hesitation, or creep once released), engine oil condition plus any smoke on start-up or under load, and visible weld repairs or cracks on the boom, arm, and mainframe. Run the machine through a full cycle, travel, swing, and every cylinder, under actual working load rather than just at idle, since some pump and valve problems only surface once the system is worked hard. Maintenance paperwork and hour meters can be unreliable on machines this age, so a pre-purchase inspection by a technician familiar with this model is the advice repeated across owner discussions, and is worth the cost relative to a bad surprise later.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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