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Komatsu CD30R-1(S/N 1061-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu CD30R-1 is a 3-tonne-class rotating-dump crawler carrier (mini dumper): a rubber-tracked chassis carrying a swivel dump box on a hydrostatic (HST) two-range drive. On this serial range (S/N 1061-up) it runs the Komatsu 4D88E-3D, a 4-cylinder, water-cooled, direct-injection diesel built on the Yanmar 4TNE88 block, rated 29.4 kW (40 PS) at 2,400 rpm, feeding from a 49-liter (12.9 US gal) fuel tank. Operating weight sits around 2,780 kg (6,130 lb) against a rated payload of 3,000 kg (6,610 lb) carried in a roughly 1,420 x 1,680 mm dump box, riding on 320 mm rubber tracks. Komatsu offered it as a single open-canopy configuration with no cab option and no interchangeable work-tool system; the dump box is the only tool on this machine. It entered production in 1997 alongside its CD60R (6t, cab-equipped) and CD110R (11t) siblings, with the smaller CD20R (2t) following in 2003. No confirmed CD30R-2 or later generation exists, so this reads as a single-generation model rather than part of a multi-generation lineage.
Beyond the 1997 family launch alongside the CD60R and CD110R, no mid-run redesign or engine change is documented for the CD30R-1 within this serial block. It reads as one continuous production run, not a machine that shifted generations partway through. What keeps it relevant in the used and parts market today is cross-compatibility: the 4D88E-3D/4TNE88 engine, its cooling stack, and several hydraulic components turn up across the same-era compact Komatsu line, so parts supply for this crawler carrier leans on that shared pool rather than a dedicated CD30R aftermarket. That also makes it easy to misidentify in listings, most often tagged with a Kubota engine instead of the correct Komatsu unit. Buyers sourcing parts or valuing a used unit should confirm the actual engine and serial range before assuming compatibility with any other model.
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 CD30R-1(S/N 1061-UP) specifications
Engine
| Engine model | Komatsu 4D88E-3D, water-cooled 4-cylinder diesel with direct injection, built on the Yanmar 4TNE88 block. This engine code is specifically catalogued for the S/N 1061-up production block. |
| Rated output | 29.4 kW (approx. 39 hp / 40 PS) as installed in this carrier |
| Displacement | approx. 2.2 L (2,190 cc); bore 88 mm x stroke 90 mm |
| Cylinders / aspiration | 4 cylinders, in-line, naturally aspirated |
| Emissions | Meets Japan's first-stage (early-generation) non-road exhaust emissions standard for this production era; no US EPA/EU Stage rating published |
Weights
| Operating weight | approx. 2,780 kg (6,130 lb) per factory-derived catalog data; treat as approximate and confirm with a dealer for this exact serial |
Dimensions
| Overall length | 3,090 mm (10 ft 2 in) |
| Overall width | 1,940 mm (6 ft 4 in) |
| Overall height | 1,835 mm (6 ft 0 in) |
| Load bed (dump box) size | approx. 1,420 x 1,680 mm (56 x 66 in) |
| Rubber track width | 320 mm (12.6 in) |
Performance
| Maximum payload / rated load capacity | 3,000 kg (6,614 lb) |
| Drive / transmission | Hydrostatic (HST) drive with a two-range (high/low) travel selector; exact travel speed figures are not documented in available literature for this serial range |
Service capacities (summary)
| Fluid capacities | Fuel tank, hydraulic system, engine oil, and coolant capacities are not published in available factory or dealer literature for this serial range; confirm with a Komatsu dealer or the operator's manual for S/N 1061-up |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CD30R-1(S/N 1061-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (oil pan, with filter) – Komatsu 4D88E-3D diesel, 2.189 L displacement, direct injection, rated 29.4 kW (40 PS) at 2,400 rpm | Not published in available factory literature for this exact serial range; confirm the fill quantity against the OMM chart or your dealer before a service fill | Komatsu Genuine EO-series engine oil, graded to ambient temperature per the OMM viscosity chart (a lighter 10W-30-type grade for cold starts, a 15W-40-type grade for warm climates) |
| Cooling system (radiator and block, combined) | Not published in available factory literature for this exact serial range; confirm against the OMM chart or your dealer | Komatsu Genuine all-season antifreeze/coolant, pre-mixed long-life type; top off with the same coolant family only, do not mix coolant types |
| Fuel tank | 49 L (12.9 US gal) | Automotive-grade No. 2 diesel fuel; switch to a winter-blend diesel below freezing per the OMM cold-weather starting notes |
| Hydraulic system (tank and circuit, combined) | Not published in available factory literature for this exact serial range; confirm against the OMM chart or your dealer | Komatsu Genuine HO-series anti-wear hydraulic oil, graded to ambient temperature per the OMM viscosity chart |
| Travel (final) drive / travel-motor reduction gearcase, per side | Not published in available factory literature for this exact serial range; confirm against the OMM chart or your dealer | Komatsu Genuine TO-series gear/powertrain oil (or an equivalent GL-4/GL-5 gear lube) as specified in the OMM |
| Transmission / axle-differential compartment | Not applicable — travel is hydrostatic, driven by hydraulic motors at each track with no mechanical transmission, axle, or differential housing | Not applicable; see hydraulic system and travel-motor reduction gearcase rows |
| Grease points (undercarriage rollers, dump-body/linkage pins, upper-structure swing bearing) — spec only | Spec only, no fill quantity published; apply per the OMM lubrication interval chart | Komatsu Genuine lithium EP multipurpose grease (G2-LI grade) for normal climates; switch to a low-temperature (G0-LI-type) grease in sub-zero conditions |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu CD30R-1(S/N 1061-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 CD30R-1(S/N 1061-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
With no onboard fault-code system, the analog gauge cluster is the CD30R-1's early-warning tool: watch coolant temp, oil pressure, and charge lamps at every startup and mid-shift. Pull the engine oil and hydraulic oil for lab analysis at the 250h and 1000h marks to catch 4D88E-3D bearing wear or HST pump contamination before failure. Track fuel-filter change intervals against visible smoke or power loss, and log rubber-track tension drift, since a stretching track is often the first sign of a worn idler or roller bearing.
Corrective & Common Repairs
Most CD30R-1 downtime traces to a handful of repeat items: a weak fuel lift pump causing hard starting or power loss, seeping HST travel-motor shaft seals, and a rotation bearing that develops play once the box swivel loses grease. Rubber tracks de-track or shed on worn idlers faster than steel-shod machines, so check idler and roller wear alongside track tension. Radiator cores clog on debris-heavy sites, since this engine shares its cooling stack with contemporary compact Komatsu excavators; clear fins before assuming a head-gasket problem.
Overhaul & Rebuild Points
A full 4D88E-3D rebuild uses semi-finished liners that need boring and honing to fit, plus standard or oversize piston, ring, and bearing sets machined to the reground crank and rods. Budget for valve, seat, and guide reconditioning at the same time. On the chassis side, the rotation bearing and gearbox, HST pump/motor set, and dump-box hinge pins and bushings wear as a group; rebuild them together rather than one at a time, since play in one accelerates wear in the others.
Seasonal & Environment Servicing
Built for soft, wet ground, the CD30R-1 sees more water and silt reach the final-drive seals, rotation bearing, and track rollers than a wheeled machine; flush and regrease those points after swamp or shoreline work. In freezing climates, warm the glow plugs before cold starts and check the rubber track compound for hardening or cracking, since rubber shoes stiffen faster than the steel-plated CD60R and CD110R siblings. In hot, dusty conditions, clear the radiator and HST oil-cooler fins often; constant swivel-dump cycling loads the hydraulic system harder than straight-line travel.
CD30R-1(S/N 1061-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129100-55650 | Element,Fuel Filter | Fuel system service | Check fitment → |
| 20T-98-72410 | Plate? Caution,Engine Fuel Filter | Fuel system service | Check fitment → |
| 10S-00-22510 | Plate,Engine Fuel Filter | Fuel system service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 201-60-71180 | Element,Hydraulic Oil | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
CD30R-1(S/N 1061-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure Warning Lamp | Engine oil pressure has dropped below the safe minimum after startup or during operation | Low oil level, clogged oil filter, failing oil pump, worn bearings | Stop the engine immediately, check oil level and filter condition before restarting, do not continue operating with the lamp on |
| Charge (Generator) Warning Lamp | Alternator is not charging the battery circuit | Broken or slipping fan/alternator belt, faulty alternator, loose or corroded wiring | Stop and inspect belt tension and alternator wiring before continuing to run the machine |
| Preheating (Glow) Indicator Lamp | Intake air preheat circuit is active to assist cold starting | Normal cold-start function; if the lamp stays on, flashes, or never lights, the preheat relay or glow plug circuit has a fault | Wait for the lamp to go out before cranking; if behavior is abnormal, check the preheat relay and glow plug circuit |
| Coolant Temperature Gauge - Red Zone / Overheat Warning | Engine coolant temperature has risen above the normal operating range | Low coolant level, debris-clogged radiator fins, failed thermostat, slipping or broken fan belt | Idle the engine to cool, let it cool before checking coolant level, inspect radiator fins and belt condition |
| Air Cleaner Restriction Indicator | Air filter element is clogged, restricting intake airflow to the engine | Dust- or debris-loaded filter element from job-site conditions | Clean or replace the air filter element and reset the indicator |
| Fuel Level Low Warning | Fuel tank level has dropped near empty | Routine low fuel; if the lamp stays on with a full tank, suspect a faulty level sender | Refuel; if the warning persists after refueling, check the fuel level sender and wiring |
| Hydraulic/HST Oil Temperature Warning Lamp | Hydrostatic drive or hydraulic circuit oil temperature has risen above normal | Low hydraulic oil level, clogged oil cooler fins, sustained overload or high ambient temperature, worn HST pump or motor | Reduce load and idle to cool, then check oil level and inspect the oil cooler for blockage |
| Central Warning Lamp + Buzzer | Master alert lamp and audible buzzer that activate together with any individual caution lamp above | Any one of the monitored abnormal conditions (oil pressure, charge, overheat, etc.) has tripped | Check which individual caution lamp is lit to identify the specific fault, then act on that condition |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CD30R-1(S/N 1061-UP) attachments & work tools
Dump box / cargo carrier (primary work tool)
The CD30R-1's dump box is the machine's built-in work tool: a rotating/swivel body sized about 1.42 x 1.68 m (56 x 66 in), rated around 3,000 kg (6,600 lb) payload. It is part of the base machine, not a field-swappable attachment like a loader bucket.
Undercarriage / track fitment
Only a rubber track is documented for this model, roughly 320 mm wide x 90 mm pitch x 58-link, block-tread pattern (about 13 in wide). No steel-track option is documented for this size class.
Body actuation / hydraulic arrangement
Dump-box tilt and rotation run off the carrier's own onboard hydraulic pump and cylinders. No auxiliary hydraulic kit, quick-connect couplers, or external plumbing is fitted or needed, unlike a loader- or excavator-style quick-attach tool.
Interchangeable work-tool ecosystem
This class of rotating-dump tracked carrier is not built around a quick-hitch coupler for buckets, blades, or forks the way skid steers or excavators are. No quick-coupler or interchangeable work-tool system is documented for this model; the dump box is the only tool fitted at the factory.
Operator guarding / canopy
Standard fitment is an open ROPS-style canopy/roof over the operator's station to shed rain and snow. An enclosed, heated/AC cab is not documented for the CD30R-1 itself; larger siblings in the same family line do offer a cab, but that has not been confirmed for this model or serial range.
Size-class family context
CD30R-1 sits in the middle of Komatsu's compact rotating-dump crawler-carrier line, with a smaller roughly 2-tonne CD20R-1 below it and a larger roughly 6-tonne CD60R-1 above it. These share the same swivel-dump-box concept but are separate models with their own dump-box dimensions, capacities, and engines; their figures should not be carried over to the CD30R-1.
Engine / drive notes
Sources vary on engine identity for this model: parts cross-references point to a Komatsu-designated 4D88E (a Yanmar-built 4TNE88-block 4-cylinder diesel), while some equipment-rental descriptions label the engine a Kubota unit. Confirm against the engine data plate for S/N 1061-up before ordering parts. Drive to the rubber tracks is hydrostatic; a 2-speed travel arrangement is mentioned in some listings but is not confirmed across independent sources.
All CD30R-1(S/N 1061-UP) assemblies by section
Every catalogued assembly group for the Komatsu CD30R-1(S/N 1061-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d88e-3d Engine S/N 00101-Up
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Air Cleaner And Mounting(#12707-)
| YM***90 | Gasket,(Not Shown) | 1 |
| YM***60 | Support | 1 |
| YM***00 | Air Cleaner Ass'Y | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Air Intake Manifold And Connection(#12707-)
| YM***02 | Bolt Plated | 6 |
| YM***02 | Screw | 2 |
| YM***00 | Heater,Intake Air | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Alternator (40a) (Inner Parts)(#12707-)
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Alternator And Mounting (40a)(#12707-)
| YM***02 | Nut | 1 |
| YM***02 | Screw | 1 |
| YM***01 | Plate,Adjust | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Camshaft And Tappet(#00145-)
| YM***80 | Camshaft Ass'Y | 1 |
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Crankshaft(#00145-)
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***50 | Pulley,Crank | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Cylinder Block Accsessory(#12707-)
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
| YM***10 | Guide,Level Gauge | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Cylinder Block(#00145-)
| YM***30 | Main Metal Ass'Y (Std) | 5 |
| YM***00 | Plug | 1 |
| YM***50 | Plug | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Cylinder Head
| YM***80 | Retainer, Spring | 8 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***10 | Valve,Exhaust | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Cylinder Head Cover(#00145-)
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***90 | Retainer | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Drive Gear
| YM***02 | Nut | 1 |
| YM***01 | Idler Gear Ass'Y,Idler | 1 |
| YM***00 | Gear,Injection Pump | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Electrical Parts (Forwerded Individually Parts)(#00145-)
| YM***20 | Timer,Solenoid | 1 |
| YM***10 | Relay,Stop Solenoid | 1 |
| YM***00 | Relay, Safety | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Exhaust Manifold(#12707-)
| YM***02 | Screw | 6 |
| YM***00 | Manifold, Exhaust | 1 |
| YM***10 | Gasket (Kit) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Flywheel And Flywheel Housing(#12707-)
| YM***02 | Screw | 4 |
| YM***90 | Flywheel Ass'Y | 1 |
| YM***70 | Screw | 6 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Front Cover(#12707-)
| YM***90 | Front Cover Ass'Y | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Front Hanger(#00145-)
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Filter And Piping(#12707-)
| YM***70 | Union | 1 |
| YM***10 | Pipe | 1 |
| YM***02 | Bolt Plated | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Filter(#12707-)
| YM***10 | Cup, Strainer | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#12707-)
| YM***40 | Lever,Control | 1 |
| YM***30 | Spacer,Lever Shaft | 1 |
| YM***02 | Nut | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#12707-)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***50 | Angleich Ass'Y | 1 |
| YM***00 | Washer,Spring | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#12707-)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***90 | Key,Woodruff | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#12707-)
| YM***70 | Retainer, Spring | 4 |
| YM***00 | Rack,Control | 1 |
| YM***02 | Screw | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Injection Pump And Piping(#12707-)
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***41 | Pipe,No.4 | 1 |
| YM***02 | Nut | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Fuel Nozzle And Spill Hose(#00145-)
| YM***00 | Nozzle, Assembly | 1 |
| YM***20 | Spring | 1 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Gasket Kit(#12707-)
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***20 | Gasket,Water Pump | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Hydraulic Pump And Mounting(#11310-)
| YM***20 | Pump Ass'Y,Hydraulic | 1 |
| YM***02 | Nut | 2 |
| YM***64 | Bearing,Ball | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Lubricating Oil Pump(#12707-)
| YM***50 | Pipe,Oil | 1 |
| YM***91 | Tube,Oil Suction | 1 |
| YM***02 | Seal,Ring (Kit) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Muffler And Mounting(#12707-)
| YM***22 | Stud | 4 |
| YM***01 | Gasket (Kit) | 1 |
| YM***02 | Screw | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Oil Filter
| YM***50 | Nut | 1 |
| YM***00 | Valve,Relief | 1 |
| YM***02 | Bolt Plated | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Oil Pan(#00145-)
| YM***30 | Spacer | 1 |
| YM***52 | Screw | 2 |
| YM***52 | Screw | 24 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Piston And Connecting Rod(#00145-)
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
| YM***81 | Piston Ass'Y | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Rear Hanger
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Rocker Arm(#00145-)
| YM***02 | Nut,Rock | 3 |
| YM***02 | Screw | 7 |
| YM***80 | Spring | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Starting Motor (Inner Parts)(#11310-)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***90 | Spring,Brush | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Starting Motor And Mounting(#11310-)
| YM***52 | Bolt Plated | 2 |
| YM***02 | Nut,Rock | 1 |
| YM***00 | Washer,Spring | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : 4d88e-3d Engine S/N 00101-Up : Water Pump And Cooling Fan(#12707-)
| YM***40 | Joint | 1 |
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
Accessory
Komatsu : Cd30r-1(S/N 1061-Up) : Accessory : Tool
| 07***03 | Cartridge - Grease | 1 |
| 07***02 | Pump Assembly - Grease | 1 |
| 09***06 | Wrench Set,8x10? 12x14? 13x17? | 1 |
Cooling System
Komatsu : Cd30r-1(S/N 1061-Up) : Cooling System : Cooling (Mounting)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : Cd30r-1(S/N 1061-Up) : Cooling System : Cooling (Oil Cooler)
Komatsu : Cd30r-1(S/N 1061-Up) : Cooling System : Cooling (Radiator And Oil Cooler)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***14 | Bolt,(With Canopy) | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Cooling System : Cooling (Sub Tank)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Screw | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Electrical System
Komatsu : Cd30r-1(S/N 1061-Up) : Electrical System : Battery (For Ec)(#1227-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Electrical System : Wiring (1/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Electrical System : Wiring (2/2)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***70 | Screw | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
Engine Related Parts
Komatsu : Cd30r-1(S/N 1061-Up) : Engine Related Parts : Damper
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***40 | Bolt,Reamer | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Engine Related Parts : Engine Accessories
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Engine Related Parts : Engine Mount
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***40 | Bolt (Op) | 12 |
Fuel Tank And Related Parts
Komatsu : Cd30r-1(S/N 1061-Up) : Fuel Tank And Related Parts : Fuel Line
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Fuel Tank And Related Parts : Fuel Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
Guard
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Hood (Engine Cover)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Hood (Exhaust Cover)
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***32 | Washer,(With Auto Emergency Steering) | 7 |
| 04***00 | Plate,(Not Used When Ventilator) (Welded) | 8 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Hood (Floor Plate And Exhaust Bracket (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 08***10 | Grommet,(For Slag Handling) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Hood (Hood Rear Duard)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Hood (Hydraulic Tank Cover And Pump Cover)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Rear View Mirror (L.H.)
| 01***20 | Bolt,Sems | 1 |
| 01***35 | Bolt | 1 |
| 01***30 | Screw | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Rear View Mirror (R.H.)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Guard : Under Cover (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 18 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 22 |
Hydraulic System
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Derivery Line
| 07***08 | Hose | 1 |
| 08***10 | Tape,(See Service News) | 1 |
| 08***23 | Band,(With Water Separator) | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Drain Line
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***05 | Hose - Compressor To Air Governor | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Dump Line
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Hydraulic Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Main Pump (Elbow And Mounting)
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Main Valve (Valve And Bracket)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***45 | Bolt,(With Water Separator Type) | 4 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Oil Cooler Line
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***40 | Bolt (Op) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : P.P.C. Main Line
| 01***35 | Bolt | 8 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 8 |
| 07***21 | O-Ring (Kit) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Return Line
| 01***20 | Bolt,(Without Air Con. Or Heater) | 1 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Suction Line
| 01***40 | Screw, Hex Socket | 2 |
| 01***50 | Capscrew | 2 |
| 01***80 | Bolt,For Weight Adjusting Bolt | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Swing Line
| 20***40 | Cover,(For 2nd Travel Speed) (Op) | 1 |
| 20***50 | Cover | 2 |
| 21***60 | Hose | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Hydraulic System : Travel Line
| 07***07 | Hose | 1 |
| 08***34 | Band,(For Ktta38 Engine) (Op) | 4 |
| 10***70 | Tube | 3 |
Main/Revolving Frame And Related Parts
Komatsu : Cd30r-1(S/N 1061-Up) : Main/Revolving Frame And Related Parts : Dump Pin
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***35 | Bolt,(With Rops) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Main/Revolving Frame And Related Parts : Revolving Frame (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Marks And Plates
Komatsu : Cd30r-1(S/N 1061-Up) : Marks And Plates : Mark And Plates (For Ec) (1/2)(#1227-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***21 | Plate? Safety,Keep Out Of Turning Area | 3 |
| 09***41 | Plate,Crush Hazard | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Marks And Plates : Mark And Plates (For Ec) (2/2)(#1227-)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Marks And Plates : Mark And Plates (For Germany) (1/2)(#1227-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***21 | Plate? Safety,Keep Out Of Turning Area | 3 |
| 09***41 | Plate,Crush Hazard | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Marks And Plates : Mark And Plates (For Germany) (2/2)(#1227-)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Operator'S Compartment And Control System
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Canopy
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***80 | Bolt,(With Corrosion Resistor) | 6 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Car Radio(#1175-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***10 | Screw,(For Wiper Switch Earth) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Cable) (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***20 | Bolt,(Without Air Con.) | 4 |
| 01***20 | Bolt,(Radio Less) | 6 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Damp Pedal And Decel Pedal) (For Ec)(#1227-)
| 01***22 | Bolt | 2 |
| 01***30 | Bolt | 2 |
| 01***25 | Bolt | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Damper)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***12 | Washer,(With Body Positioner) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Decel Pedal) (1/2) (For Ec)(#1227-)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Decel Pedal) (2/2) (For Ec)(#1227-)
| 01***16 | Bolt - Box Mounting | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Drain Line)
| 01***40 | Bolt (Op) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 10***40 | Bracket | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Fuel Control)
| 01***25 | Bolt,See Fig. K4010-65a0 | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 04***33 | Pin, Cotter | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Lock Lever)(1/2)
| 01***16 | Bolt - Box Mounting | 1 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Lock Lever)(2/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Monitor Panel)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Ec)(#1227-)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (P.P.C. Valve)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Panel Wiaring)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Solenoid Valve)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Swing Control)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Switch Wiring) (For Ec)(#1227-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***10 | Bolt | 2 |
| 01***30 | Bolt | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Frame (Travel Control)
| 01***16 | Bolt - Box Mounting | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Floor Mount
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Fops Level 1 Guard (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 6 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Hand Rail And Gaurd
| 01***25 | Bolt | 3 |
| 01***30 | Bolt | 4 |
| 01***32 | Plain Washer | 7 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Monitor Panel (For Canopy)
| 78***01 | Panel | 1 |
| 78***10 | Switch,(For Light And Heater) | 1 |
| 78***20 | Cap | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Monitor Panel (For Heater)(#1175-)
| 78***01 | Monitor Ass'Y | 1 |
| 78***01 | Panel | 1 |
| 78***10 | Switch,(For Light And Heater) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Operator'S Seat (For Ec)(#1227-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Rear Guard(#1175-)
| 01***09 | Nut,(For Japan) | 8 |
| 01***32 | Plain Washer | 8 |
| 07***57 | Clip,(Except Japan) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Seat Belt
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 09***02 | Washer,(For Shipping) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Operator'S Compartment And Control System : Window Washer(#1175-)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***06 | Screw | 2 |
Service Kit And Component Parts
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Control Valve (1-Spool) (1/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***12 | Bolt | 2 |
| 01***25 | Screw | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Control Valve (1-Spool) (2/2)
| 07***34 | O-Ring,(For Front Attachment) | 1 |
| 70***61 | O-Ring,(Pc100ss) | 1 |
| 70***90 | Ring,Back-Up (Itl) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (1/2)
| 01***10 | Screw | 2 |
| 01***16 | Screw | 1 |
| 01***20 | Screw | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (2/2)
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 2 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 70***10 | O-Ring (Kit) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Dump Cylinder (Inner Parts)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 1/3) (Hydraulic Motor 1/2)(#1061-1327)
| 04***93 | Ball,Steel | 2 |
| 06***01 | Bearing,Ball | 1 |
| 07***00 | O-Ring,(Y1620-11a0a-11) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 1/3) (Hydraulic Motor 1/2)(#1328-)
| 04***93 | Ball,Steel | 2 |
| 06***01 | Bearing,Ball | 1 |
| 10***10 | Motor,(See Fig.Y1651-01a0) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 2/3) (Hydraulic Motor 2/2)(#1061-1327)
| 01***20 | Bolt, Mount Spool Covers | 6 |
| 07***07 | O-Ring - (K10) | 1 |
| 07***12 | O-Ring, Divider Valve Mounting | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 2/3) (Hydraulic Motor 2/2)(#1328-)
| 01***20 | Bolt, Mount Spool Covers | 6 |
| 07***07 | O-Ring - (K10) | 1 |
| 07***12 | O-Ring, Divider Valve Mounting | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 3/3) (Final Drive)(#1061-1327)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 04***12 | Ring, Retaining | 3 |
| 07***07 | O-Ring - (K10) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Final Drive (Travel Motor 3/3) (Final Drive)(#1328-)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 04***12 | Ring, Retaining | 3 |
| 07***00 | O-Ring,(F3320-58a0 -6 ) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Hydraulic Pump (1/3)
| 04***20 | Ring, Retaining | 1 |
| 07***08 | O-Ring,(Tm8202-005) | 4 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Hydraulic Pump (2/3)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt | 4 |
| 01***30 | Screw | 3 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Hydraulic Pump (3/3)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
| 04***10 | Ring,Snap | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Ppc Valve (For Travel)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Service Kit
| 07***85 | O-Ring,(Without Fuel Level Gauge) | 1 |
| 07***80 | O-Ring (Kit) | 1 |
| 07***45 | Seal,Dust? Cylinder | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Swing Motor (1/2)
| 04***18 | Ring, Snap | 1 |
| 07***23 | O-Ring,(F4350-65a0 -16 ) | 3 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Swing Motor (2/2)
| 07***16 | O-Ring - Gear | 1 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 1 |
| 70***20 | Relief Valve Ass'Y | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Swivel Joint (Inner Parts)(#1061-1219)
| 01***25 | Bolt - Relay Mounting | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(F4350-55a0 -32 ) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Service Kit And Component Parts : Swivel Joint (Inner Parts)(#1220-)
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***75 | O-Ring,Cylinder Head | 1 |
Swing Circle And Related Parts
Komatsu : Cd30r-1(S/N 1061-Up) : Swing Circle And Related Parts : Swing Circle
| 01***60 | Bolt,For Weight Adjusting Bolt | 40 |
| 04***34 | Pin-Dowel, Pin,Dowel (For Shipping) | 2 |
| 20***00 | Circle | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Swing Circle And Related Parts : Swing Machinery (Machinery)
| 01***80 | Capscrew | 2 |
| 01***32 | Washer, (Without Emergency Steering) | 7 |
| 04***18 | Ring, Snap | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Swing Circle And Related Parts : Swing Machinery (Mounting Part)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 04***34 | Pin-Dowel, Pin,Dowel (For Shipping) | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Swing Circle And Related Parts : Swivel Joint (Mounting Parts)(#1061-1219)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Swing Circle And Related Parts : Swivel Joint (Mounting Parts)(#1220-)
| 01***40 | Bolt (Op) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
Travel And Lower Piping
Komatsu : Cd30r-1(S/N 1061-Up) : Travel And Lower Piping : Final Drive
| 01***35 | Bolt | 18 |
| 01***40 | Capscrew | 18 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 36 |
Komatsu : Cd30r-1(S/N 1061-Up) : Travel And Lower Piping : Travel Piping
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***65 | Bolt,(Used With Pin Puller) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 14 |
Under Carriage
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Carrier Roller
| 01***55 | Bolt,(See Service News) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 04***15 | Ring, Snap | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Front Idler
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***45 | Capscrew - M10 X 1.25 | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Idler Cushion
| 01***33 | Castle Nut | 1 |
| 04***55 | Pin, Cotter | 1 |
| 10***30 | Rod | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Rubber Shoe (320mm Wide)
| 10***10 | Shoe,Rubber | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Rubber Shoe (380mm Wide)
| 10***10 | Shoe,Rubber | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Rubber Shoe (450mm Wide)
| 10***10 | Shoe,Rubber | 2 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Cover)
| 01***20 | Capscrew | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 10***10 | Cover,R.H | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Frame)
| 07***03 | Bushing | 8 |
| 10***10 | Track Frame Ass'Y | 1 |
| 10***11 | Track Frame Ass'Y | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Frame) (For Ec)(#1227-)
| 07***03 | Bushing | 8 |
| 10***10 | Track Frame Ass'Y | 1 |
| 10***10 | Track Frame | 1 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Track Roller Mount) (For Ec)(#1227-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 12 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 12 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Track Roller Mount)(#1061-1252)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***60 | Capscrew | 24 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Track Roller Mount)(#1253-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 12 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 12 |
Komatsu : Cd30r-1(S/N 1061-Up) : Under Carriage : Track Frame (Track Roller)
| 07***21 | O-Ring,Water Piping | 2 |
| 07***28 | O-Ring, Strainer To Control Pump Line | 2 |
| 10***30 | Seal Ring Ass'Y | 1 |
Work Equipment
Komatsu : Cd30r-1(S/N 1061-Up) : Work Equipment : Besel (For Ec)(#1227-)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***16 | Washer,Radio Controlled Slag Handling | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Work Equipment : Besel(#1061-1204)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Work Equipment : Besel(#1205-)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***16 | Washer,Radio Controlled Slag Handling | 4 |
Komatsu : Cd30r-1(S/N 1061-Up) : Work Equipment : Dump Cylinder Line
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 4 |
Frequently asked questions
What engine powers the Komatsu CD30R-1 (S/N 1061-up)?
The Komatsu 4D88E-3D: a 4-cylinder, water-cooled, direct-injection diesel built on the Yanmar 4TNE88 block, rated 29.4 kW (40 PS) at 2,400 rpm. Some used-equipment listings mislabel this machine with a Kubota engine; that is a common marketplace mix-up, not the factory spec for this serial range.
What is the operating weight of the CD30R-1?
Around 2,780 kg (6,130 lb) in standard configuration, against a rated dump-box payload of 3,000 kg (6,610 lb). Treat the operating weight as an approximate figure: Komatsu's published data for this exact serial range is thin, and actual weight shifts with fuel load and any dealer-fitted options.
What replaced the Komatsu CD30R-1?
No documented direct successor. Komatsu introduced the CD30R alongside the CD60R and CD110R crawler carriers in 1997, with the smaller CD20R following in 2003, and no confirmed CD30R-2 or later generation exists. The nameplate appears to have run as a single generation across this serial block; today it stays supportable mainly through parts shared with same-era compact Komatsu equipment, not through a factory follow-on model.
What CD30R-1(S/N 1061-UP) owners discuss
What engine does this machine actually have, and why do so many listings disagree about it?
Factory documentation for this serial range (S/N 1061-up) lists a Komatsu 4D88E-3D, a compact four-cylinder diesel built off the same block architecture as the Yanmar 4TNE88 industrial engine. Mechanics who've pulled the valve cover on these report a Komatsu casting and injection pump layout, not a Kubota unit. Used-equipment listings and rental spec sheets frequently print "Kubota diesel" for this machine anyway, most likely a copy-paste error carried from one listing to the next rather than an actual factory substitution. If you're buying a used unit and the paperwork says Kubota, don't treat that as proof of an engine swap. Check the tag on the block itself, or have your dealer verify the engine model before you order filters or injectors, since Kubota and Komatsu/Yanmar filter specs are not interchangeable.
What quirks do owners and mechanics mention about this small diesel?
This is a naturally aspirated, mechanically governed four-cylinder in the roughly 2.2-liter class, rated in the high-30s to around 40 metric horsepower depending on the exact suffix and emissions calibration for the serial range; confirm the exact figure against the engine plate rather than a spec sheet. Being pre-electronic, it has no fault-code system to lean on: hard starting in cold weather almost always traces back to weak glow plug preheat, a tired battery, or a clogged primary fuel filter/water separator rather than anything more exotic. Because it shares block architecture with other small Komatsu/Yanmar-era industrial diesels, running the tank dry or changing the primary filter means bleeding air out of the low-pressure side before it restarts cleanly. Skipping that step is the most common reason owners think they have a bigger problem than they actually do.
How does the hydrostatic drive behave as it wears, and what should an owner watch for?
Hydrostatic pump and travel-motor wear on this class of machine shows up gradually, not as a sudden failure. Early signs owners report: the carrier feels sluggish climbing a loaded grade it used to handle fine, top travel speed creeps down over time, or the machine hunts or surges at low throttle. That pattern points to internal leakage in the pump or travel motors as seals and pistons wear, not a control or linkage fault. Charge pressure and case-drain flow are the two checks a shop runs first to confirm pump condition versus a simpler fix like low or contaminated hydraulic oil. Because the parking/travel brake on a hydrostatic machine like this is normally spring-applied and hydraulically released, a machine that creeps or rolls when parked on a grade with the lever centered is a brake problem, not normal wear. Have your dealer verify the brake release circuit before operating on any slope.
What wear patterns are typical for the rubber-track undercarriage on this type of carrier?
For rubber-tracked mini carriers in this weight class generally, the track lugs and the steel cord and link inserts underneath wear faster on abrasive gravel or rocky ground than in dirt or turf, and packed mud or debris between the rollers and track accelerates sprocket and roller wear if it isn't cleared regularly. Correct track tension matters more on rubber-track carriers than on steel-track machines: running loose invites the track to walk off the rollers on side-slopes, while running it too tight speeds up bearing and seal wear in the rollers and idlers. Owners of this class of machine generally check tension and clean out the undercarriage at the end of each shift when working in mud or snow, rather than waiting for a scheduled service interval.
The dump box won't rotate, or only swings one direction. What's usually wrong?
On rotating-dump carriers like this, a box that won't swing, or swings one direction only, is almost always a hydraulic problem rather than a mechanical jam: low reservoir level, a clogged filter starving the pump, or a stuck or worn directional valve are the first things a shop checks. The swivel joint at the center of rotation, the rotary union that carries hydraulic oil (and sometimes wiring) across the turning interface, is a common seep point as its seal ages; grease or oil showing up at the base of the box is the usual tell. Because the dump box is a rotating mass over the operator's working area, don't work under or beside a raised or rotated box while diagnosing a stuck valve or a flat spot in the swing. Have your dealer verify the swivel joint and directional valve before returning the machine to full duty.
What electrical or sensor issues come up most often on machines like this?
Being a simple, largely mechanical machine, the electrical system on this class of carrier is limited mostly to starting, charging, and safety-interlock circuits rather than engine sensors. The most commonly reported issues are a seat or operator-presence safety switch that fails and either kills hydraulics entirely or lets them run with nobody on the seat, usually traced to a wiring or ground fault at the switch rather than the switch element itself; a coolant-temperature or oil-pressure gauge that reads incorrectly due to a corroded connector rather than a failed sender; and starting complaints that turn out to be a weak battery ground strap rather than the starter motor. Jumpering a safety interlock switch to keep a machine running is common shop-floor shortcut talk, but it defeats a protection the machine was built with. Have your dealer verify and properly repair any interlock circuit rather than leaving it bridged.
What should I check when looking at a used one of these (S/N 1061-up)?
Confirm the engine tag matches the Komatsu 4D88E-3D for this serial range; don't rely on the seller's written description alone, since a Kubota label shows up incorrectly on paperwork for this machine often enough that it isn't a reliable identifier. Run the machine loaded if possible and compare travel speed and power on a grade to expectations, since a tired hydrostatic pump or motor is the single most expensive hidden fault on this type of carrier. Cycle the dump box through a full rotation and a full dump-and-lower stroke, watching the swivel joint at the base for seepage and listening for the box hunting or stalling partway through. Check rubber track tension and look for stone-cracking, thin rubber over the steel cords, or the sprocket showing more wear on one side than the other. Confirm the seat safety interlock actually stops hydraulic function when tripped. Finally, ask for maintenance records around fuel filtration; small-displacement diesels like this one are unforgiving of dirty fuel, and a machine with a documented water-separator and filter change history is a safer buy than one without.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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