Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC70-6(S/N 34101-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC70-6 (S/N 34101-UP) is a compact hydraulic excavator in roughly the 7-tonne class, built around Komatsu's 4D95L-family diesel: a naturally aspirated, water-cooled, mechanically governed 4-cylinder engine with no engine control module. This chassis block runs the 4D95L-1AA-7 engine arrangement, with engine serials starting at S/N 49965-up. Komatsu offered this chassis in two configurations: the standard PC70-6, and the PC70-6S, a reduced-tail-swing sibling built for confined-space work and cataloged with its own 4D95L-1DD engine. A production-date range for this exact serial block is not documented, but the PC70-6 shares its final drive, swing bearing, and undercarriage parts family with the PC60-6 (built 1989-1996) and with the PC75UU-2/PC75UU-2E, placing it in Komatsu's Dash-6 generation of compact excavators from the late 1980s into the mid-1990s.
No PC70-5 predecessor is documented in available records; the PC70 model number appears to begin with this Dash-6 generation, sitting alongside the PC60-6 family in Komatsu's compact excavator line-up of that era. Komatsu carried the PC70 designation forward as the PC70-7, and later the PC70-8, a distinct generation built around a turbocharged, emissions-tier engine with different weight, digging-force, and dimensional figures that should not be read back onto this earlier machine. In today's used and parts market, the PC70-6's draw is mechanical simplicity: no ECM, no emissions aftertreatment, and a straightforward mechanical injection pump that keeps diagnosis and repair accessible to a generalist tech rather than a dealer-only laptop job. Shared drivetrain and undercarriage components across the PC60-6/PC70-6/PC75UU family help keep wear-item availability reasonable despite the model's age, though buyers should expect to source engine, hydraulic, and cosmetic parts through the used and remanufactured channel rather than a current Komatsu parts counter.
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 PC70-6(S/N 34101-UP) specifications
Engine
| Engine family | Komatsu 4D95L-series diesel, 4-cylinder inline, water-cooled, direct injection. Same engine family carried across the PC60-6/PC70-6 platform. |
| Exact engine suffix | Not confirmed for S/N 34101-UP specifically. Parts records for this range show inconsistent suffix callouts; verify against the engine nameplate or with your dealer. |
| Gross/net power | Not documented for this exact serial range in available sources — verify with your dealer. |
| Displacement | Not documented for this exact serial range. The 4D95L family generally displaces around 3.3 L in related applications, not confirmed for this exact configuration. |
| Emissions tier | Pre-emissions-regulation, mechanically governed diesel consistent with the Dash-6 generation. No certified emissions tier applies. |
Weights
| Operating weight | Not documented for this exact serial range in available sources — verify with your dealer or the machine's ID plate. |
| Ground pressure | Not documented for this exact serial range. |
| Transport weight | Not documented for this exact serial range. |
Dimensions
| Transport length / width / height | Not documented for this exact serial range in available sources. |
| Tail swing radius | Not documented for this exact serial range. |
| Track shoe width | Not documented for this exact serial range. |
| Ground clearance | Not documented for this exact serial range. |
| Undercarriage length | Not documented for this exact serial range. |
Performance
| Max dig depth | Not documented for this exact serial range in available sources. |
| Max reach at ground level | Not documented for this exact serial range. |
| Max dump height | Not documented for this exact serial range. |
| Max cutting height | Not documented for this exact serial range. |
| Swing speed | Not documented for this exact serial range. |
| Travel speed | Not documented for this exact serial range. |
| Gradeability | Not documented for this exact serial range. |
| Drawbar pull | Not documented for this exact serial range. |
Forces
| Bucket digging force | Not documented for this exact serial range in available sources. |
| Stick/arm digging force | Not documented for this exact serial range. |
Service capacities (summary)
| Fuel tank | Not documented for this exact serial range in available sources. |
| Hydraulic system/tank | Not documented for this exact serial range. |
| Engine oil | Not documented for this exact serial range. |
| Cooling system | Not documented for this exact serial range. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PC70-6(S/N 34101-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase, with oil filter (Komatsu 4D95L diesel) | Not documented in publicly available factory literature for this exact serial range. Verify against the machine's operation and maintenance manual or a dealer parts/service lookup before servicing. | Komatsu genuine diesel engine oil (EO series). SAE 15W-40 for standard/warm-climate service, SAE 10W-30 in cold climates, per factory practice for the 4D95L engine family fitted to this range. |
| Cooling system | Not documented in publicly available factory literature for this exact serial range. Verify against the machine's operation and maintenance manual or a dealer parts/service lookup before servicing. | Komatsu genuine Super Coolant, an ethylene-glycol type factory coolant. Use at the concentration specified for local freeze-protection needs and do not mix with other coolant types. |
| Fuel tank | Not documented in publicly available factory literature for this exact serial range. Verify against the machine's operation and maintenance manual or the tank data plate before planning refuels. | No. 2-D diesel fuel meeting ASTM D975 or an equivalent regional spec. Switch to a winter-grade blend or use a cold-flow additive below freezing per Komatsu cold-weather guidance. |
| Hydraulic system total (system + tank) | Total system and reservoir capacity not documented in publicly available factory literature for this exact serial range. Verify against the machine's operation and maintenance manual or a dealer parts/service lookup before servicing. | Komatsu-spec anti-wear hydraulic oil, ISO VG46 viscosity grade, is the factory-spec fill for this model. Switch to a lighter ISO VG32 grade for sustained cold-climate operation, per standard Komatsu hydraulic-oil practice. |
| Final drive (each side) | Not documented in publicly available factory literature for this exact serial range. This machine shares its final-drive assembly with a same-era sibling model in the PC60/PC70 compact class, but a separately published drain-and-refill figure was not found. Verify against the operation and maintenance manual or a dealer parts/service lookup. | Komatsu genuine gear oil (TO series) or an equivalent GL-5 gear oil, graded to ambient temperature per Komatsu's hot/cold climate chart. |
| Swing drive | Not documented in publicly available factory literature for this exact serial range. Verify against the operation and maintenance manual or a dealer parts/service lookup before servicing. | Komatsu genuine gear oil (TO series) or an equivalent GL-5 gear oil, generally the same grade used in the final drives unless the manual specifies otherwise. |
| Grease (spec only) | Not applicable. Grease points are serviced by pump strokes at pins and bushings, not a fill capacity. | Komatsu genuine multipurpose grease, lithium-soap EP type, NLGI 2 for general service. Use a softer NLGI 1 or 0 grade in cold climates if called out in the manual. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PC70-6(S/N 34101-UP) 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 |
|
Servicing the PC70-6(S/N 34101-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
With no ECM on the 4D95L engine, this machine leaves no logged fault history, so condition monitoring relies on oil sampling and direct observation. Pull engine and hydraulic oil samples at filter changes to catch wear metal or fuel/coolant intrusion early. Watch for a hydraulic return line running hotter than normal at idle, an early sign of a worn main relief valve, and track injection pump timing drift, a known age-related quirk. Check the monitor panel display for sun-fade, a common weak point on this generation's cab electronics.
Corrective & Common Repairs
Common failures on this platform trace to fuel and hydraulic wear, not a design flaw. Rough running, smoke, or a stubborn no-start usually point to injection pump timing drift or water in the fuel; check the water separator first. A hydraulic system running hot at idle or slowing under load flags a worn main relief valve, not pump failure. Hard cold starts almost always mean a skipped glow/preheat cycle. Undercarriage work — sprocket teeth, roller wear, track tension — stays the costliest recurring repair for this size class.
Overhaul & Rebuild Points
At high hours, plan overhaul around the engine, hydraulics, and undercarriage — this generation has no electronics to fail. The naturally aspirated 4D95L typically runs a long service life, but check injection pump condition and compression before a top-end job. Hydraulic pump and main control valve wear shows up as slowing cycle times and warrants rebuild once relief-valve adjustment stops restoring performance. Final drive and swing drive cases need seal and bearing renewal at overhaul; undercarriage components — sprockets, rollers, idlers — typically need teardown around the same interval.
Seasonal & Environment Servicing
Cold starts need a full glow/preheat cycle; skipping it is the top reported cause of hard starting on this engine family, so expect roughly 15-30 seconds of preheat before cranking in freezing weather. Switch to a lighter engine and hydraulic oil grade and a winter-blend fuel with cold-flow additive below freezing, and confirm coolant concentration matches the expected low. In hot, sun-heavy climates, shield the monitor panel display and cab glass from prolonged UV exposure, a known weak point. Use a softer NLGI grease grade at pins in cold climates.
PC70-6(S/N 34101-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
| 09637-01661 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC70-6(S/N 34101-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine oil pressure monitor (red lamp + buzzer) | Engine lubricating oil pressure has dropped below the normal operating range. | Low engine oil level, clogged oil filter, worn oil pump, or oil pressure sender/wiring fault. | Stop the engine immediately, check crankcase oil level and filter condition before restarting. |
| Coolant temperature monitor (red lamp + buzzer) | Engine coolant temperature has risen above the normal green-zone range. | Low coolant level, clogged radiator fins, loose or worn fan belt, or thermostat/fan fault. | Stop work, idle the engine at low RPM until the gauge returns to the green range, then check coolant level and radiator for debris. |
| Charge (alternator) monitor lamp | Charging circuit is not supplying normal battery charging current while the engine runs. | Worn or slipping fan/alternator belt, faulty alternator, or loose wiring connection. | Check belt tension and battery terminals; have the charging circuit tested if the lamp stays on. |
| Air cleaner clog monitor lamp | Air cleaner element restriction has reached the clogging threshold. | Dust- or debris-loaded air filter element reducing intake airflow. | Clean or replace the air cleaner element, then reset the indicator. |
| Engine preheat (glow) monitor lamp | Shows the intake air preheating time needed before a cold start below about 0 degC (32 degF); not itself a fault. | Normal cold-start function; if it fails to light or stays on, points to a glow relay or heater circuit fault. | Wait for the lamp to go out before cranking in cold weather; if behavior is abnormal, have the preheat circuit checked. |
| Hydraulic oil temperature monitor lamp | Hydraulic oil temperature has exceeded the normal operating range. | Low hydraulic oil level, clogged oil cooler fins, or sustained high-load operation in hot ambient conditions. | Stop work, let the machine idle to cool, then check hydraulic oil level and cooler for blockage. |
| Fuel level monitor lamp | Fuel tank level has dropped to the reserve range. | Tank running low during normal operation. | Refuel; lamp clears automatically once level is restored. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC70-6(S/N 34101-UP) attachments & work tools
Buckets
General-purpose buckets for this 7-tonne class carrier run roughly 0.19-0.30 m³ (7-11 cu ft) heaped, widths from about 450 mm up to 825 mm (18-32 in). Heavy-duty/rock buckets narrow to roughly 300-450 mm (12-18 in) at reduced capacity for extra breakout force. Exact capacity and width vary by configuration/series within the PC60/PC70 size class - confirm against the boom and arm fitted. Factory mounting is pin-on; a bolt-on quick coupler is a common dealer-fit upgrade for this weight class.
Hydraulic hammers
Breakers sized for 6-9 tonne carriers fit this machine. Komatsu's own small-class hydraulic breaker line is built for this size range, and third-party breakers rated for 6-9 tonne excavators (roughly 0.35-0.75 tonne service weight, 65-75 mm tool/moil diameter) are commonly listed for the PC60/PC65/PC70/PC75/PC78/PC80 fitment group. Confirm hydraulic flow and mounting bracket against the actual operating weight and counterweight before fitting.
Quick couplers
Both manual pin-grabber/wedge couplers and hydraulically-actuated couplers are offered for the 7-10 tonne excavator class this machine falls into. Komatsu's own factory quick-hitch range covers carriers from about 7 tonnes up, letting buckets, forks, and grabs be swapped without pulling pins by hand.
Thumbs/grapples
Hydraulic thumbs, pin-mounted to the arm and cylinder-actuated against the bucket, are a common aftermarket fitment for 6-8 tonne excavators for picking rock, brush, and debris. Small hydraulic or rotating grapples sized for this weight class are also offered through attachment specialists, though factory-specific fitment detail for this exact serial range is limited - verify against arm reach and hydraulic capacity.
Rippers
Single-shank ripper attachments built for 6-9 tonne mini/midi excavators pin onto the arm in place of the bucket and are rated for breaking frozen ground, hardpan, and light rock - within the working-weight range this machine falls into.
Hydraulic-kit notes
Machines in this serial range can carry a factory auxiliary breaker circuit with an accumulator to smooth hydraulic pulsation for single-function tools like breakers. This is a standard-pressure, one-way circuit; tools needing true two-way/proportional flow (rotating grapples, compactors) need the optional two-way selector valve and control layout - verify what was actually fitted to this specific machine before ordering a multi-function tool.
All PC70-6(S/N 34101-UP) assemblies by section
Every catalogued assembly group for the Komatsu PC70-6(S/N 34101-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d95l-1aa-7 Engine S/N 49965-Up
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Air Cleaner (Double Element Type)(#59833-)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 09***61 | Plate? Instruction,(Japanese-English) (Not Shown) | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Air Cleaner (Single Element Type)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 09***61 | Plate? Instruction,(Japanese-English) | 1 |
| 60***40 | Element Ass'Y,(Double Element)(Not Shown) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Air Intake Manifold And Connection
| 01***25 | Stud | 1 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator (15a)(#102171-)
| 60***50 | Alternator A. (15a) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator (15a)(#49965-102170)
| 60***70 | Alternator A. (15a),(See Fig.0641) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator (25a)(#55966-)
| 60***20 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator (35a)(#69608-)
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator And Mounting (15a)
| 01***25 | Bolt,(With Corrosion Resistor) | 4 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 1 |
| 01***95 | Bolt | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator And Mounting (25a) (With Safety Cover)(#62826-)
| 01***40 | Bolt,(Cold Weather Spec.) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***60 | Screw | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator And Mounting (25a)(#59236-)
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***60 | Screw | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Alternator And Mounting (35a)(#69608-)
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***70 | Bolt,(For 50a Alternator) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***31 | Thrust Washer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Crankshaft
| 61***20 | Bolt | 1 |
| 62***00 | Main Metal Ass'Y | 5 |
| 62***00 | Thrust Metal Ass'Y | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Cylinder Block
| 01***14 | Bolt | 2 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Cylinder Head
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***32 | Washer, (Without Emergency Steering) | 17 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Cylinder Head Cover
| 61***10 | Cap, Oil Filler | 1 |
| 61***20 | Screw | 3 |
| 61***30 | Washer,(B) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Exhaust Manifold And Muffler
| 01***25 | Grub Screw | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***45 | Bolt, Bracket Mounting | 7 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Exhaust Manifold And Muffler (With 35a Alternator)(#69608-)
| 01***25 | Grub Screw | 5 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***45 | Bolt, Bracket Mounting | 7 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Flywheel And Flywheel Housing
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 07***15 | Plug,(Used When Without Heater) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Front Cover And Gear
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Filter And Piping
| 01***20 | Bolt | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 6 |
| 07***14 | Bolt,Joint | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump (Governor) (1/2)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***00 | Nut,Lock | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump (Governor) (2/2)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump (Pump) (1/2)
| 62***10 | Injection Pump A | 1 |
| DK***30 | Bearing | 0 |
| DK***20 | Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm | 0 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump (Pump) (2/2)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***12 | Bolt | 2 |
| 01***25 | Screw | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Fuel Nozzle And Spill Pipe
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 01***10 | Bolt | 1 |
| 07***10 | Tube,(See Fig.0421-14) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Gasket Kit
| 01***12 | Washer,Lock (Noise Suppression Spec.) (K2) | 1 |
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Lubricating Oil Cooler(#57338-)
| 01***25 | Bolt,(With Corrosion Resistor) | 4 |
| 01***30 | Bolt,(Water Separator Spec.) | 7 |
| 01***50 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Lubricating Oil Filter
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
| 60***50 | Plate? Caution,(Russian-English) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Lubricating Oil Filter (With Oil Cooler)(#49969-)
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
| 60***50 | Plate? Caution,(Russian-English) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Lubricating Oil Pump And Suction Pipe
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 6 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Oil Pan
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 24 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 62***11 | Pan,Oil | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Piston And Connecting Rod
| 04***12 | Ring, Snap | 8 |
| 62***01 | Piston Ring Ass'Y,Per Cylinder | 4 |
| 62***02 | Piston Ring Ass'Y,Per Cylinder | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 5 |
| 61***30 | Circlip | 2 |
| 62***00 | Shaft Ass'Y | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Starting Motor (2.8kw)
| 60***10 | Starting Motor Ass'Y,(2.8kw) | 1 |
| KD***60 | Bracket,Center | 1 |
| KD***50 | Stopper,Piston | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Starting Motor And Mounting (2.8kw)
| 01***14 | Bolt,(With Corrosion Resistor) | 1 |
| 01***30 | Bolt | 2 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : 4d95l-1aa-7 Engine S/N 49965-Up : Water Pump And Cooling Fan
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***45 | Bolt | 6 |
Control System And Revolving Frame
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Auto Deceleration Piping
| 01***11 | Nut - Mounting | 1 |
| 07***15 | O-Ring,(Without Boom Kickout) | 1 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Control Pedal And Linkage (For 2-Pieces Boom)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Control Pedal And Linkage (For Attachment)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Fuel Control Lever
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***20 | Screw | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Fuel Control Linkage
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (For 2-Pieces Boom Valve And Piping) (1/2)
| 01***30 | Bolt,(For Mechanical Governor) | 8 |
| 01***65 | Bolt,(Except Japan) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (For 2-Pieces Boom Valve And Piping) (2/2)
| 01***55 | Bolt,(10m) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Multi Pattern Shift Line) (L.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Multi Pattern Shift Line) (R.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (P.P.C. Control And Piping) (1/2) (For 2-Pieces Boom)(#34101-36477)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***16 | Washer,(With Water Separator) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (P.P.C. Control And Piping) (1/2) (For 2-Pieces Boom)(#36478-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (P.P.C. Control And Piping) (2/2) (For 2-Pieces Boom)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Quick Coupler Pattern Line) (L.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Quick Coupler Pattern Line) (R.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Work Equipment Control) (L.H.) (Jis Pattern)(#40447-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Work Equipment Control) (L.H.) (Komatsu Pattern) (#34101-40446)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Hydraulic Piping (Work Equipment Control) (R.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Revolving Frame
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***10 | Bolt (Itl) | 4 |
| 01***08 | Screw | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Travel Control Lever And Pedal
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 1 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Travel Control Linkage
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Control System And Revolving Frame : Work Equipment Control Lever
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Engine Related Parts And Electrical System
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Battery
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
| 08***01 | Terminal? (-),(20l) (Not Shown) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Battery And Engine Rear Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 17 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Battery And Engine Rear Line) (For 2-Pieces Boom)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 17 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Instrument Panel Line)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Instrument Panel Line) (For 2-Pieces Boom)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Work Lamp And Horn Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Electrical System (Work Lamp And Horn Line) (For 2-Pieces Boom)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***20 | Bolt | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Engine Related Parts
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Fuel Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***08 | Screw, Terminal | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 1 |
| 01***12 | Screw,(With Articulate Indicator) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Monitor System
| 01***10 | Washer,Spring (For Engine Room Lamp) | 6 |
| 01***05 | Washer,(Without Window Washer) | 6 |
| 08***03 | Bulb? 3w,Turn Signal Lamp | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Power Take Off
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Radiator And Oil Cooler
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt? Wing,(Noise Suppression Spec.) | 2 |
| 01***40 | Nut,(Noise Suppression Spec.) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Engine Related Parts And Electrical System : Radiator Mount And Piping
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Guard
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Cab Front Guard (For Japan)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***19 | Seat,(Welded To Revolving Frame) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Car Cooler Piping (1/2)
| 01***85 | Bolt,Spring | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Car Cooler Piping (2/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 9 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Car Heater
| 20***10 | Heater Ass'Y | 1 |
| ND***41 | Radiator | 1 |
| ND***11 | Clamp | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Car Heater Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Electrical System (Travel Limit Switch And Wiper Motor Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Floor Frame
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***75 | Bolt | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Instrument Panel Box
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***10 | Screw | 7 |
| 01***06 | Screw | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Left Side Cover
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Magazine Box And Work Equipment Lock Lever
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Screw, Mount Damper To Shaft | 2 |
| 01***06 | Screw | 10 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (1/7) (Cab)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***60 | Bolt, Tube To Oil Cooler | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (2/7) (Front Window)
| 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 : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (3/7) (Front And R.H. Side Window)
| 01***30 | Screw | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 08***10 | Grommet,(For Slag Handling) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (4/7) (Side And Rear Window)
| 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 : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (5/7) (Inside Cover)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (6/7) (Door 1/2)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Cab (7/7) (Door 2/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Seat
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Operator'S Seat Stand
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***10 | Nut,(Without Air Conditioner) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Rear Side Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***32 | Washer,(With Auto Emergency Steering) | 22 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Rear Side Cover (With Car Cooler)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***32 | Washer,(With Auto Emergency Steering) | 22 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Right Side Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 15 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Right Side Cover (With Car Cooler)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 18 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Under Cover (Reinforced Type)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 65 |
| 01***32 | Washer,(With Auto Emergency Steering) | 49 |
Komatsu : Pc70-6(S/N 34101-Up) : Guard : Window Washer
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 08***01 | Clip,(With Cab) | 3 |
Mark Plate? Tool And Kit
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Marks And Plates (Japanese) (1/2) (Jis Pattern)(#40447-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Marks And Plates (Japanese) (1/2) (Komatsu Pattern)(#34101-40446)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Marks And Plates (Japanese) (2/2)
| 20***50 | Plate,(Quick Coupler Shifter) | 1 |
| 20***30 | Plate? Operating,(Mitsubishi Pattern) | 1 |
| 20***50 | Plate? Operating,(Kobelco Pattern) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Periodical Replacement And Safety Parts
| 07***22 | O-Ring,(F5350-63a0 -26 ) | 4 |
| 07***07 | Hose, Solenoid Valve To Air Cylinder | 1 |
| 07***06 | Hose,(For Maintenance Monitor) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Service Kit
| 07***30 | O-Ring, Cover - Transfer Gear | 1 |
| 07***25 | O-Ring,Cylinder Head | 1 |
| 07***25 | O-Ring,(See Fig. H0311-01a0-30) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***45 | Nozzle, Grease Pump (Non-Flexible Type) | 1 |
Swing System
Komatsu : Pc70-6(S/N 34101-Up) : Swing System : Swing Circle
| 01***80 | Bolt,(For Adjustable Rod) | 48 |
| 04***38 | Pin, Dowel | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Swing System : Swing Machinery
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 1 |
| 01***55 | Bolt,(For Reinforced Type) | 10 |
| 01***10 | Bolt,(Noise Suppression Spec.) | 1 |
Under Carriage
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Carrier Roller
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 20***50 | Carrier Roller Ass'Y | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Front Idler
| 07***38 | Ring, Seal - Between Sections | 2 |
| 07***08 | Plug (Kit) | 1 |
| 14***16 | Floating Seal Ass'Y,(For D60pl) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Hydraulic Piping (Travel Motor Line) (Lower 1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt, Tension Adjustment | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 16 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Hydraulic Piping (Travel Motor Line) (Lower 2/2)
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 3 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
| 07***16 | Hose,(See Fig. H1820-01a0-3) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Recoil Spring
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***65 | Bolt | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Sprocket
| 01***40 | Bolt,(With Center Guard) | 24 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 24 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 24 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Track Frame
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Track Roller
| 01***65 | Bolt | 40 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 40 |
| 07***35 | O-Ring,(F4350-61a0 -32 ) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Under Carriage : Track Shoe (Master Pin Type) (Triple Grouser With Hole)
| 10***44 | Bushing,Regular | 70 |
| 10***73 | Bushing,Master | 4 |
| 10***71 | Seal,Dust? Regular? W-Type | 140 |
Work Equipment
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Arm
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Arm (For 2-Pieces Boom)
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
| 07***60 | Seal,(Y1620-41a0a-14) | 2 |
| 13***31 | Seal,Dust | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Arm (Reinforced Type) (For 2-Pieces Boom)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Arm Cylinder
| 01***50 | Bolt (Kit) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***65 | Bolt | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Attachment Valve (With Accumulator Circuit Line)
| 04***15 | Ring, Snap | 1 |
| 04***93 | Ball,Steel | 1 |
| 07***25 | O-Ring,(See Fig. H0311-01a0-30) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Boom
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 1 |
| 01***11 | Nut - Mounting | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Boom (For 2-Pieces Boom)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Lock,(With Rain Cap) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Boom Cylinder
| 01***50 | Bolt (Kit) | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Boom Foot Cylinder (For 2-Pieces Boom)
| 01***50 | Bolt (Kit) | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Boom Top Cylinder (For 2-Pieces Boom)
| 07***30 | O-Ring, Cover - Transfer Gear | 1 |
| 07***25 | O-Ring,Cylinder Head | 1 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Bucket Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***65 | Bolt | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Bucket Link
| 01***20 | Bolt | 2 |
| 01***30 | Bolt | 1 |
| 01***50 | Bolt | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Bucket? 0.25m3 Width 650mm? (Horizontal Pin Type)
| 01***60 | Bolt, Tube To Oil Cooler | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 01***65 | Bolt | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (Arm And Bucket Cylinder Line) (Boom Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 20 |
| 01***32 | Washer,(With Auto Emergency Steering) | 20 |
| 07***08 | Hose | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (For 2-Pieces Boom Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 28 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (For Attachment Line) (Arm Side)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (For Attachment Line) (Arm Side) (For 2-Pieces Boom)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***65 | Bolt,(Except Japan) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (For Attachment Line) (For 2-Pieces Boom)
| 01***65 | Bolt,(Except Japan) | 6 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 18 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Hydraulic Piping (For Attachment Line) (With Breaker Parts) (Boom Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Long Arm
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment : Work Lamp (For 2-Pieces Boom)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 1 |
| 01***11 | Nut - Mounting | 1 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
Work Equipment Control System
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2) (For 2-Pieces Boom)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt (Op) | 4 |
| 07***30 | Ring, Seal - Between Sections | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2) (For 2-Pieces Boom)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***14 | O-Ring,(F4350-63a1a-2 ) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? L.H. (1/3)
| 01***16 | Bolt (Op) | 6 |
| 01***20 | Bolt (Itl) | 12 |
| 01***50 | Capscrew | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? L.H. (2/3)
| 07***10 | O-Ring,Plate | 5 |
| 07***20 | O-Ring,(0202-007) | 5 |
| 07***10 | Ring,Back-Up | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? L.H. (3/3)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? L.H. (Relief Valve For Breaker)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***10 | O-Ring,Plate | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? R.H. (1/3)
| 01***16 | Bolt (Op) | 2 |
| 01***20 | Bolt (Itl) | 12 |
| 01***50 | Capscrew | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? R.H. (2/3)
| 07***20 | O-Ring,(0202-007) | 4 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 1 |
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Control Valve? R.H. (3/3)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line) (For 2-Pieces Boom)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***65 | Bolt,(Except Japan) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***50 | Bolt,(For Strengthened Cover) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Delivery Line)
| 01***30 | Bolt,(For Mechanical Governor) | 16 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Drain Line)
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 3 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 4 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (For Attachment Line) (Chassis Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***65 | Bolt,(Except Japan) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (For Attachment Line) (For 2-Pieces Boom) (Chassis Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***65 | Bolt,(Except Japan) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line) (For Additional Filter)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line) (For 2-Pieces Boom)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Group)
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Group) (Auto Deceleration Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***75 | Bolt,(For Adjusting) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Group) (Shuttle Valve Line)
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 04***93 | Ball,Steel | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Pilot Circuit) (1/2)
| 01***40 | Bolt,(With Service Valve R.H.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 8 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Pilot Circuit) (2/2)
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 4 |
| 07***09 | Hose,Yellow-Blue | 1 |
| 07***10 | Hose (To Locking Differential) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Suction Line And Valve)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Suction Line And Valve) (For 2-Pieces Boom)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Swing Motor Line)
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 2 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Swing Motor Line) (For 2-Pieces Boom)
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 2 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Top Boom Cylinder Line) (For 2-Pieces Boom)
| 07***34 | O-Ring,(For Without Brake Assistor) | 4 |
| 07***10 | Hose | 2 |
| 20***60 | Nipple | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Piping (Travel Motor Line)
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***26 | Washer,Plain | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Control Pump)
| 70***10 | Pump Ass'Y | 1 |
| 70***51 | Strainer, Strainer; Komatsu S/N 22001 & Abv. - Was 704-28-02751 | 1 |
| (****0) | Pin,Cotter | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (End Cap)
| 01***40 | Bolt,(For Position Fixing) | 2 |
| 01***23 | Washer,(For Shipping) | 2 |
| 07***21 | O-Ring,Water Piping | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Front 1/2)
| 01***16 | Bolt (Welded) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
| 07***55 | O-Ring,Front Accessory Drive | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Front 2/2)
| 01***35 | Bolt,(Without Auto Priming System) | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
| 07***45 | O-Ring,Without Revolution Sensor | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Rear 1/2)
| 07***23 | O-Ring,(F4350-68a0 -13 ) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 07***12 | Plug,Magnetic | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Rear 2/2)
| 01***35 | Bolt,(Without Auto Priming System) | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
| 07***45 | O-Ring,Without Revolution Sensor | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (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 : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Servo Valve? Front)
| 01***60 | Bolt,(Without Alternator Bracket) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
| 07***10 | O-Ring,(F4350-62a0 -5 ), O-Ring; Komatsu S/N 22***01 & Abv - Was 07000-02010, O-Ring; Was 07000-02010 | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Servo Valve? Rear)
| 01***60 | Bolt,(Without Alternator Bracket) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
| 07***10 | O-Ring,(F4350-62a0 -5 ), O-Ring; Komatsu S/N 22***01 & Abv - Was 07000-02010, O-Ring; Was 07000-02010 | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Pump (Unit)
| 01***85 | Bolt, Mount Solenoid Valve Body | 3 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Hydraulic Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***16 | Screw, Mount Parking Lights | 6 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Multi Pattern Valve
| 01***30 | Bolt,(For Mechanical Governor) | 12 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 12 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : P.P.C. Valve
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Swing Motor (1/2)
| 04***30 | Ring, Snap | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Swing Motor (2/2)
| 07***16 | O-Ring | 1 |
| 07***16 | Ring, Back-Up | 2 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Swivel Joint
| 01***35 | Bolt,(For Position Fixing) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 04***25 | Ring, Retaining | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (1/3)
| 04***93 | Ball,Steel | 2 |
| 06***03 | Bearing,Ball | 1 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (2/3)
| 01***50 | Bolt | 4 |
| 01***30 | Screw | 8 |
| 07***08 | O-Ring,(Tm8202-005) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (3/3)
| 04***12 | Ring, Snap (4) | 3 |
| 04***52 | Ball,Detent | 1 |
| 07***07 | O-Ring - (K10) | 4 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (Reinforced) (1/3)
| 04***93 | Ball,Steel | 2 |
| 06***03 | Bearing,Ball | 1 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (Reinforced) (2/3)
| 01***50 | Bolt | 4 |
| 01***30 | Screw | 8 |
| 07***08 | O-Ring,(Tm8202-005) | 3 |
Komatsu : Pc70-6(S/N 34101-Up) : Work Equipment Control System : Travel Motor (Reinforced) (3/3)
| 01***45 | Bolt,(Cold Terrain Spec.) | 12 |
| 04***15 | Ring,Snap | 1 |
| 04***15 | Ring,Back-Up | 3 |
PC70-6(S/N 34101-UP) serial number reference
The PIN/serial is stamped into the machine frame on the front of the machine between the two hydraulic arm mounts near the boom foot, with a Komatsu-marked plate covering the stamping. The engine serial is separate, stamped on the block near the injection pump - record both numbers, since parts fitment is keyed to the engine arrangement (4D95L-1AA-7) as well as the chassis serial. This generation has no alpha PIN prefix to decode - read the number as a straight sequential count from the model's starting serial (34101).
| Prefix | Identifies | Notes |
|---|---|---|
| 34101-UP | PC70-6 standard configuration | Base chassis serial block for this generation. Engine is the 4D95L-1AA-7 arrangement, cataloged together with the related 1AA, 1BB, and 1CC codes used on sibling machines in this engine family. Engine serial numbers for this arrangement run from S/N 49965 and up. No distinct earlier engine arrangement is documented specifically for this chassis block - if matching an engine-specific part, confirm the engine serial with your dealer. |
| 34101-UP | PC70-6S (reduced tail-swing sibling) | Parts fitment listings group PC70-6S together with PC70-6 as running mates in the same -6 generation, the same pattern seen on the smaller PC60-6/PC60-6S split. PC70-6S is cataloged with a 4D95L-1DD engine, which differs from the base machine's 1AA-7 arrangement. Available fitment data keys this variant to the same 34101 starting serial block as the base machine, but that exact overlap is thinly documented - confirm with your dealer whether PC70-6S carries its own distinct starting serial. |
Frequently asked questions
What engine does the Komatsu PC70-6 (S/N 34101-UP) use?
It runs a Komatsu 4D95L-family diesel: naturally aspirated, water-cooled, 4-cylinder, mechanically governed, with no engine control module. This chassis block runs the 4D95L-1AA-7 arrangement, with engine serials starting at S/N 49965-up. The reduced-tail-swing PC70-6S sibling is instead cataloged with a 4D95L-1DD engine. Confirm the exact arrangement against the engine nameplate before ordering engine-specific parts.
What is the operating weight of the Komatsu PC70-6 (S/N 34101-UP)?
An exact factory figure for this specific serial range is not documented in available sources — verify against the machine's ID plate or a dealer lookup before relying on it for transport or lifting planning. It falls in the compact excavator class generally associated with the PC70 model number, roughly a 7-tonne machine, but that figure should not be treated as an exact spec for this particular Dash-6 generation, since later PC70 generations carry their own distinct weights.
What replaced the Komatsu PC70-6?
Komatsu carried the PC70 line forward as the PC70-7, and later as the PC70-8, a distinct generation built around a turbocharged, emissions-compliant engine with different operating weight and digging-performance figures than this Dash-6 machine. No PC70-5 predecessor is documented; the PC70 numbering for this size class appears to begin with this Dash-6 generation.
What PC70-6(S/N 34101-UP) owners discuss
What engine does the PC70-6(S/N 34101-UP) run, and is it considered reliable?
This machine uses the Komatsu 4D95L-family diesel, a naturally aspirated, mechanically governed 4-cylinder rated in the neighborhood of 40 kW (roughly 54 hp) net — the same base engine shared with the PC60-6. It predates electronic engine management, so there is no diagnostic fault-code list for the engine itself, just gauges and warning lamps on the monitor panel. Community consensus treats it as a simple, low-drama engine that holds up well over long service life; most reported failures trace back to neglected fuel filtration or oil-change intervals rather than a design weakness.
Why is cold starting sometimes a hassle on these machines, and what's the normal procedure?
Owners of this engine family consistently point to skipping the glow/preheat cycle as the top cause of hard cold starts. Normal procedure is holding the key in the preheat position before cranking, commonly 15-30 seconds depending on ambient temperature, until the heater indicator lamp stops flashing. On a cold morning after the machine has sat, a second preheat cycle after a failed first attempt is considered normal, not a fault.
The hydraulic return line runs hot even at idle with nothing engaged — is that normal?
No. A return line that runs unusually hot at idle, or a machine that goes sluggish after 10-15 minutes of running, points toward a worn or scored main relief valve poppet rather than pump failure. This tends to show up gradually as slower cycle times well before a hard failure, consistent with age and internal contamination rather than a design flaw in this machine class. Because relief pressure affects both how hard the machine pushes and how hot the system runs, have your dealer verify pressures against factory spec before swapping components.
Is there a known quirk with the fuel system or injection pump on this engine family?
Yes. The mechanical injection pump on this engine is reported to drift out of time and develop uneven cylinder-to-cylinder fuel delivery as it ages, showing up as rough running, smoke, or a no-start that fresh filters alone won't fix. Fuel contamination and water intrusion are cited just as often as pump wear, so a water separator check is a routine first step. Because pump timing affects performance and safe operating margins, have your dealer verify and reset injection timing rather than adjusting it by feel.
What undercarriage wear pattern should an owner expect on the PC70-6(S/N 34101-UP)?
Undercarriage wear components on this machine are shared across several machines in the same size family, so parts availability generally isn't the concern — wear rate and neglect are. Owners watch for sharp, pointed sprocket teeth, uneven roller wear, and track tension creeping loose as the first signs of trouble. Community consensus is consistent: the undercarriage is the priciest system to let go on a compact excavator, more than any single hydraulic component, and this is standard behavior for the machine class, not a defect specific to this model.
Is there a known electrical or monitor panel issue on this generation of Komatsu excavator?
Machines from this generation commonly carry an early LCD monitor panel that owners describe as prone to sun damage — the display fogs or goes unreadable after years of cab sun exposure, separate from any wiring fault. Outside of that specific display quirk, most other instrument complaints trace back to ordinary sensor and connector corrosion (coolant temperature sensor, fuel level sender) rather than anything unique to this model. Cleaning and reseating connectors resolves a lot of false warning lights before a sensor needs replacing.
What should a buyer check before purchasing a used PC70-6(S/N 34101-UP)?
Inspect hydraulic cylinder rods for scoring or pitting and check for seal weep at the rod glands; hydraulic oil that's dark or smells burnt points to a history of overheating. Cycle the machine under load and watch for uneven or slowing cycle times, which flag pump or relief valve wear before it becomes obvious at idle. Walk the undercarriage for sprocket tooth shape, roller play, and track tension, and confirm the monitor panel display is fully legible given the known sun-fade issue on this generation. Confirm the machine's actual serial number falls within this production range, since undercarriage and cylinder seal parts are grouped by serial break and don't always interchange with earlier or later runs. A pre-purchase inspection with hydraulic pressure testing by a qualified technician is worth the cost on any machine of this age.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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