Komatsuhydraulic shovels(no series)
Komatsu H285S(S/N G78111)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu H285S is a large hydraulic mining shovel manufactured from 1998 to 2005. It operates in the heavy mining class with an operating weight of 335,000 kg (738,549 lbs). The machine utilizes a Cummins K2000E engine producing 1,178 kW (1,580 HP) net power. It features a long, hydraulically extendable undercarriage with a track width of 1,200 mm. Configurations included a monobloc boom and a primary work tool bucket with a capacity of 22.8 m³ (29.8 cu yd). The H285S succeeded earlier Komatsu-Demag hydraulic shovel designs and was eventually phased out as mining technology evolved toward newer, more efficient models.
Across its production life, the H285S represented a transition in hydraulic excavator design, balancing brute digging force with operator control. It was purpose-built for open-pit mining in coal, iron ore, and copper operations. The machine matters in the used and parts market today because it remains a heavy, high-value asset in remote mining sites. Its complex powertrain, open-circuit hydraulics, and specialized undercarriage require specific OEM knowledge and genuine components for continued operation, sustaining demand for service manuals and replacement parts.
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 H285S(S/N G78111) specifications
Engine
| Model | Cummins K2000E |
| Gross Power | 1582.5 hp (1180 kW) |
| Net Power | 1580 hp (1178 kW) |
| Displacement | 3070 cu in (50300.1 cc) |
| Cylinders | 16 |
| Aspiration | Turbocharged |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | the OEM part reference lbs (the OEM part reference kg) |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | 28.0 psi (193.1 kPa) |
Dimensions
| Transport Length | 709.2 in (1801.4 cm) |
| Transport Width | 254.4 in (646.2 cm) |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Track Gauge | 207.6 in (527.3 cm) |
| Ground Clearance | 38.4 in (97.5 cm) |
| Overall Length with Shovel | 559.2 in (1420.4 cm) |
| Shoe Width | 47.3 in (120.1 cm) |
Performance
| Max Travel Speed | 1.3 mph (2.1 km/h) |
| Swing Speed | 3.3 RPM |
| Max Digging Depth | 347 in (881 cm) |
| Max Loading Height | 410.4 in (1042.4 cm) |
| Max Digging Reach | 579.6 in (1472.2 cm) |
| Max Dumping Height | 500.4 in (1271.0 cm) |
| Max Cutting Height | 634.8 in (1612.4 cm) |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | 1207.3 gal (4570.1 l) |
| Hydraulic System | 782.0 gal (2960.2 l) |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
H285S(S/N G78111) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not documented for this exact serial range — verify with your dealer | Not documented for this exact serial range — verify with your dealer |
| Cooling system | Not documented for this exact serial range — verify with your dealer | Super-coolant AF-NAC |
| Fuel tank | 4570.1 l (1207.3 gal) | Diesel fuel |
| Transmission/powertrain compartments | Not documented for this exact serial range — verify with your dealer | Powertrain Oil TO10 or TO30 |
| Final drives (each) | Not documented for this exact serial range — verify with your dealer | Axle Oil AXO80 |
| Hydraulic system AND tank | 2960.2 l (782.0 gal) | Hydraulic Oil HO |
| Axles/differentials | Not documented for this exact serial range — verify with your dealer | Axle Oil AXO80 |
| Grease | Not applicable | Komatsu Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu H285S(S/N G78111) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the H285S(S/N G78111) beyond the schedule
Predictive Maintenance & Fluid Analysis
The H285S(S/N G78111) relies on Komatsu Oil Wear Analysis (KOWA) to monitor engine and hydraulic health. Collect samples at 500-hour and 1,000-hour intervals to track wear metals, viscosity, and contamination. The open-circuit hydraulic system requires strict ISO cleanliness control to protect the four identical main pumps. Monitor coolant pH and SCA concentration to prevent scaling in the large engine cooling circuits. Use Komatsu Genuine Lubricants to maintain additive packages specified for the Cummins K2000E powertrain.
Corrective & Common Repairs
Address hydraulic hose leaks and seal failures promptly to maintain system pressure near 310 bar. Inspect the slew ring toothing and brake control mechanisms for wear, as these are critical for stability on uneven mine terrain. Check the hydraulic extendable undercarriage cylinders for seal damage and track tension issues. Verify the Cummins K2000E turbocharger and fuel delivery system for proper airflow and injection timing. Replace worn track shoes and pins to maintain ground pressure at 193.1 kPa.
Overhaul & Rebuild Points
Plan major overhauls for the swing machinery and travel system at 4,000-hour intervals. Inspect the main drive gearbox and final drives for oil contamination and gear wear. Rebuild or replace the four main hydraulic pumps if flow capacity drops below 3,600 LPM. Check the structural integrity of the boom and stick welds during the 2,000-hour comprehensive inspection. Replace the KDPF and SCR system components as required by emissions compliance schedules.
Seasonal & Environment Servicing
In extreme cold, verify DEF levels and coolant glycol content to prevent freezing in the 4,570.1 L fuel tank and cooling circuits. In hot environments, clear debris from the radiator and oil cooler fins to maintain engine temperature. Inspect the hydraulic oil cooler for blockages that could reduce cooling efficiency. Ensure the operator's cab ventilation and air conditioning function correctly to protect controls and the operator. Adjust track tension for soft or rocky ground conditions to prevent undercarriage damage.
H285S(S/N G78111) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 693 587 | Fuel Filter Cartridge With Separator | Fuel system service | Check fitment → |
| 694 402 | Element, Generator Set Air Conditioning Equipment Pilot Oil Pump | Air intake service | Check fitment → |
| 692 306 | By-Pass - Oil Filter Cartridge, Diesel Engine | Lubrication service | Check fitment → |
| 988 779 | Oil Filter Cartridge, Diesel Engine | Lubrication service | Check fitment → |
| 358 601 40 | Return Oil Filter, Assembly | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
H285S(S/N G78111) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Faulty speed sensor, broken wiring harness, or corroded connector at the pin interface. | Inspect the sensor wiring and connector for damage or corrosion; replace the speed sensor if voltage readings are abnormal. |
| CA451 | Common rail pressure sensor feedback value too high | Malfunctioning rail pressure sensor, actual overpressure condition, or sensor wiring fault. | Diagnose the fuel rail pressure sensor circuit; check for blockage in hydraulic lines or sensor failure. |
| CA441 | Battery voltage too low | Weak or discharged battery, faulty alternator, or loose charging connections. | Check battery charge state and terminal tightness; test alternator output and replace if defective. |
| CA111 | Internal engine controller fault | Critical internal failure of the Electronic Control Module (ECM). | Inspect ECM power connections and grounds; replace or reprogram the ECM if the fault persists. |
| AA10NX | Air cleaner clogging | Blocked air filter element due to dust or debris accumulation. | Replace the air filter element immediately to prevent engine damage. |
| B@HANS | Hydraulic oil overheating | Contaminated hydraulic oil, clogged hydraulic filter, or malfunctioning cooler fan. | Change the hydraulic filter and oil; inspect the cooler fan operation and radiator fins for blockage. |
| DGH2KB | Hydraulic oil temperature sensor short circuit | Shorted hydraulic oil temperature sensor or damaged wiring harness. | Replace the hydraulic oil temperature sensor and verify circuit integrity. |
| CA234 | Engine overspeed | Throttle calibration error, excessive engine load cycle, or operator misuse. | Verify throttle calibration and inspect the engine load cycle; correct operator technique if necessary. |
| CA122 | Intake air pressure sensor feedback voltage too high | Faulty intake pressure sensor or restricted airflow causing abnormal pressure readings. | Verify the intake pressure sensor operation and check the wiring harness for shorts. |
| CA2311 | IMV solenoid valve failure | Failed Inlet Manifold Valve (IMV) solenoid or open/short in the control wire harness. | Replace the IMV solenoid valve or inspect the wire harness for damage. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
H285S(S/N G78111) attachments & work tools
Loading Shovel Bucket
The primary work tool is a loading shovel bucket with a reference capacity of 17.4 m³ (22.7 cu yds) and a width of 4 m. The bucket is designed for open-pit mining applications in coal, iron ore, and copper mines, providing high digging force and dominance in tough conditions.
Undercarriage / Track Shoes
The machine utilizes a long, hydraulically extendable undercarriage with a track width of 1200 mm (47.3 in). The standard shoe size is 1201 mm (47.3 in) wide, providing a ground pressure of 193.1 kPa (28.0 psi) for stability on mine surfaces.
Boom and Stick Configuration
The shovel features a monobloc boom and a stick assembly with specific dimensions for reach and depth. The boom height to top is 783.3 cm (308.4 in), and the stick length contributes to a max digging reach of 1472.2 cm (579.6 in) and a max digging depth of 881 cm (347 in).
Hydraulic System and Coupling
Work tools are actuated via an open-circuit hydraulic system with a pump flow capacity of 3600 LPM (951.1 GPM) and a relief valve pressure of 310 Bar (4495 psi). The system includes dedicated service line circuits for boom, stick, and bucket cylinders, requiring specific hydraulic oil cooling and filtration maintenance.
Engine and Power Transmission
The machine is powered by a Cummins K2000E engine delivering 1178 kW (1580 HP) net power. The powertrain consists of a main drive, gearbox, and four identical pumps that deliver hydraulic oil from an unpressurized tank, ensuring maximum cooling and filtering efficiency for the attached work tools.
All H285S(S/N G78111) assemblies by section
Every catalogued assembly group for the Komatsu H285S(S/N G78111). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
* = Variations From Page:
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Accumulator 2x
| 00***98 | Test Socket | 2 |
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Suction Line Dn 60 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Bullcalm Bucket :
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Central Lubrication
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Cover
| 30***99 | Bolt | 8 |
| 30***99 | Bolt | 25 |
| 30***99 | Screw | 20 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Covering And Ladder Acc. Drawing 607 100 40/608 190 40
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Drip Lube (Molub-Alloy 936)
| 21***99 | Pipe ? 10 Bulk Ware, State Length Required | 0 |
| 37***99 | Union | 1 |
| 55***40 | Lube Pump Station Consist. Of Fig-Nos: 02-45 | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Freeze-In Bushing
| 00***98 | Mounting Clip | 5 |
| 00***98 | Mounting Clip | 4 |
| 00***98 | Mounting Clip | 4 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Generator
| 00***98 | Bolt | 1 |
| 50***98 | Bolt | 1 |
| 50***40 | Bushing | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Grating - Single Part
| 30***99 | Bolt 35 Lg | 6 |
| 30***99 | Bolt Pin Lock From S/No: 06 120 | 6 |
| 30***99 | Bolt | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Hose Assy.
| 21***99 | Pipe ? 12 Ca 300mm Bulk Ware, State Length Required | 0 |
| 30***99 | Bolt | 4 |
| 30***99 | Screw | 16 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Lube (Molub-Alloy 777-1)
| 21***99 | Pipe ? 10 Bulk Ware, State Length Required | 0 |
| 37***99 | Union | 1 |
| 55***40 | Lube Pump Station Consist. Of Fig-Nos: 02-45 | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Platform
| 30***99 | Bolt 35 Lg | 6 |
| 30***99 | Bolt Pin Lock From S/No: 06 120 | 6 |
| 30***99 | Bolt | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Refueling System
| 00***98 | O-Ring | 1 |
| 00***98 | Union | 2 |
| 00***98 | Union | 3 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Revolution Counter
| 05***40 | Tongue Terminal 1,5-2,5 | 0 |
| 30***40 | Operation Panel, Part 2 (W/O Electric Appliances) | 1 |
| 30***40 | Cover Assembly. Fig-Nos. 05-07 | 1 |
Komatsu : H285s(S/N G78111) : * = Variations From Page : : Teeth
Annex
Komatsu : H285s(S/N G78111) : Annex : Basic Schematic
Komatsu : H285s(S/N G78111) : Annex : Colour : Chrome Yellow
Komatsu : H285s(S/N G78111) : Annex : Electric Schematic
Komatsu : H285s(S/N G78111) : Annex : Electric Schematics :
Komatsu : H285s(S/N G78111) : Annex : Hydraulic Schematics :
Komatsu : H285s(S/N G78111) : Annex : Tools And Accessories
Bullclam Bucket Equipment
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : --Hydraulic Cylinder
| 00***98 | Grease Nipple | 3 |
| 20***40 | Turcon-Glyd-Ring | 1 |
| 26***40 | Support Ring | 1 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : -Clam Cylinder, R.H./L.H.
| 31***99 | Screw | 16 |
| 31***99 | Bolt (Standard) | 8 |
| 31***99 | Screw (Standard) | 8 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : -Hydraulic Cylinder
| 00***98 | Grease Nipple | 3 |
| 25***40 | Piston Guide Ring | 5 |
| 25***40 | O-Ring | 1 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Boom - Catwalk
| 30***99 | Bolt | 48 |
| 30***99 | Bolt | 28 |
| 31***40 | Grating | 2 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Boom 6,3 M
| 00***98 | Mounting Clip | 0 |
| 00***98 | Mounting Clip | 0 |
| 00***98 | Mounting Clip | 1 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Boom Cylinder, R.H./.L.H.
| 31***99 | Bolt (Standard) | 8 |
| 31***99 | Bolt | 8 |
| 36***40 | Connector Plate | 2 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Bullclam Bucket 19,0 M? - Bofors
| 00***98 | Grease Nipple | 2 |
| 00***98 | O-Ring | 8 |
| 00***98 | Union | 2 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Bullclam Bucket Cylinder,L.H.
| 00***98 | O-Ring | 2 |
| 00***98 | O-Ring | 1 |
| 21***99 | Pipe ? 10x270 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Bullclam Bucket Cylinder,R.H.
| 00***98 | O-Ring | 2 |
| 00***98 | O-Ring | 1 |
| 21***99 | Pipe ? 10x270 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Stick - Platform
| 27***40 | Platform | 2 |
| 27***40 | Grating 480x750 | 2 |
| 30***99 | Bolt | 20 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Stick 4,3 M
| 00***98 | Mounting Clip | 5 |
| 00***98 | Mounting Clip | 4 |
| 00***98 | Mounting Clip | 4 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Stick Cylinder, R.H./L.H.
| 30***99 | Cover Plate | 4 |
| 31***99 | Bolt (Standard) | 8 |
| 31***99 | Screw (Standard) | 8 |
Komatsu : H285s(S/N G78111) : Bullclam Bucket Equipment : Wear Parts
| 32***40 | Wear Pin | 0 |
| 37***40 | Wear Strip | 8 |
| 37***40 | Wear Strip | 1 |
Drive
Komatsu : H285s(S/N G78111) : Drive
Komatsu : H285s(S/N G78111) : Drive : --Cold-Start System
| 30***99 | Screw | 4 |
| 69***03 | Valve | 1 |
| 69***04 | Union | 1 |
Komatsu : H285s(S/N G78111) : Drive : --Engine Saver 550
| 46***40 | Rubber Block Support, Engine Monitor | 4 |
| 50***98 | Nut | 8 |
| 69***53 | Hose Nw 5 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Drive : -Air Cleaner
| 30***99 | Bolt | 20 |
| 30***99 | Lock Washer | 22 |
| 33***99 | Nut | 22 |
Komatsu : H285s(S/N G78111) : Drive : -Coupling
| 30***99 | Bolt | 12 |
| 30***99 | Bolt | 2 |
| 30***99 | Bolt | 12 |
Komatsu : H285s(S/N G78111) : Drive : -Diesel Engine Arr.
| 25***40 | Hose Dn 8 X Ca. 2000 Lg. Bulk Ware, State Length Required | 0 |
| 27***40 | Hose Fittings | 1 |
| 27***40 | Hose Fittings | 2 |
Komatsu : H285s(S/N G78111) : Drive : -Engine Mounting
| 26***40 | Rail (Cold Weather Design) | 2 |
| 30***99 | Bolt | 4 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Drive : -Fan Pump (Oil Cooler)
| 31***99 | Screw | 1 |
| 31***99 | Hex Head Bolt | 7 |
| 34***99 | Snap-Ring | 1 |
Komatsu : H285s(S/N G78111) : Drive : -Filter
| 00***98 | O - Ring | 1 |
| 00***98 | O-Ring | 1 |
| 35***40 | Filter, Assembly | 1 |
Komatsu : H285s(S/N G78111) : Drive : -Fuel Tank (4570 L)
| 05***40 | Plug 3-Polig | 1 |
| 08***40 | Oil-Level Glass | 1 |
| 08***40 | Quick Disconnect Coupling | 1 |
Komatsu : H285s(S/N G78111) : Drive : -Joint Shaft
| 23***40 | Screwdriver - Special Insert | 0 |
| 32***40 | Joint Shaft, Assembly. Fig-Nos: 02-09 | 1 |
| 35***99 | Grease Nipple | 2 |
Komatsu : H285s(S/N G78111) : Drive : -Lube Pump (Mp)
| 35***40 | Hydraulic.-Pump, Assembly | 1 |
| 69***10 | Seal Kit Fig-Nos: 02,04,06,07 And 21 | 0 |
| 75***20 | Circlip | 1 |
Komatsu : H285s(S/N G78111) : Drive : -Lube Pump (Pdg)
| 35***40 | Hydraulic.-Pump, Assembly | 1 |
| 68***06 | Pair Of Gear | 1 |
| 69***13 | Repair Kit Consist. Of Seal Kit And Fig-Nos: 05,08 And 14 | 0 |
Komatsu : H285s(S/N G78111) : Drive : -Main Pump
| 00***98 | O-Ring | 2 |
| 17***40 | Screw Plug | 2 |
| 17***40 | Union | 3 |
Komatsu : H285s(S/N G78111) : Drive : -Measuring- And Pilot Pump
| 31***99 | Screw | 2 |
| 31***99 | Screw | 4 |
| 34***99 | Circlip | 1 |
Komatsu : H285s(S/N G78111) : Drive : -Pump Distributor Gear
| 00***98 | O-Ring | 3 |
| 00***98 | Union | 3 |
| 08***21 | O-Ring | 2 |
Komatsu : H285s(S/N G78111) : Drive : -Radiator
| 00***98 | Bolt | 16 |
| 00***98 | Screw | 4 |
| 00***98 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Drive : -Valve Block
| 15***40 | Test - Screw Coupling | 1 |
| 25***40 | Screw Plug | 2 |
| 31***99 | Plug | 1 |
Komatsu : H285s(S/N G78111) : Drive : Coolant Lines
| 00***98 | Clamp | 12 |
| 25***40 | Radiator Hose Dn 55x300 Lg. Bulk Ware, State Length Required | 4 |
| 25***40 | Hose Dn 8 X Ca. 2000 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Drive : Diesel Engine, Mounting
| 26***40 | Lower Part, Engine | 1 |
| 26***40 | Lower Part, Engine | 1 |
| 30***99 | Bolt Standard | 2 |
Komatsu : H285s(S/N G78111) : Drive : Diesel-Engine, Attachments
| 00***98 | Clamp | 4 |
| 05***40 | Cable Shoe, Red | 2 |
| 16***40 | Hose (Colourless) Dn 25x1500 Lg. (Glasklar) Bulk Ware, State Length Required | 2 |
Komatsu : H285s(S/N G78111) : Drive : Engine Air Intake Lines
| 22***40 | Suction Hose | 11 |
| 28***40 | Clamp | 2 |
| 30***99 | Bolt | 3 |
Komatsu : H285s(S/N G78111) : Drive : Engine : Cummins-Diesel
Komatsu : H285s(S/N G78111) : Drive : Fire Wall
| 30***99 | Lock Washer | 31 |
| 33***99 | Nut | 31 |
| 34***99 | Lock Washer | 31 |
Komatsu : H285s(S/N G78111) : Drive : Fuel Lines
| 25***40 | Hose Dn 25x5000 Lg. Bulk Ware, State Length Required | 1 |
| 25***40 | Screwed Fittings | 1 |
| 26***40 | Hose Fittings | 2 |
Komatsu : H285s(S/N G78111) : Drive : Generator Arr. (Electrodyne)
| 00***98 | Bolt | 1 |
| 50***98 | Bolt | 1 |
| 50***40 | Bushing | 1 |
Komatsu : H285s(S/N G78111) : Drive : Install. Distributor Gear
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 26***40 | Cover Tube For Sensor | 1 |
| 30***99 | Bolt Standard | 8 |
Komatsu : H285s(S/N G78111) : Drive : Installation - Air Cleaner
| 00***98 | Clamp 10/15 | 20 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 14***40 | Maintenance Switch | 4 |
Komatsu : H285s(S/N G78111) : Drive : Installation Coupling And Shaft
| 30***99 | Screw | 4 |
| 33***99 | Nut M8 | 4 |
| 33***99 | Wing Nut | 4 |
Komatsu : H285s(S/N G78111) : Drive : Lube Lines - Pdg
| 00***98 | Union | 2 |
| 05***04 | Cable Shoe | 2 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Drive : Mounting - Fuel Tank
| 30***99 | Bolt (Standard) | 4 |
| 30***99 | Bolt Standard | 2 |
| 38***40 | Bushing | 2 |
Komatsu : H285s(S/N G78111) : Drive : Muffler Arrangement
| 21***40 | Muffler | 2 |
| 23***40 | Half Clamp | 4 |
| 23***40 | Half Clamp | 4 |
Komatsu : H285s(S/N G78111) : Drive : Output :
Komatsu : H285s(S/N G78111) : Drive : Power Frame Arrangement
| 23***40 | Console | 4 |
| 30***99 | Bolt Standard 160 Lg. Normaltemperatur | 22 |
| 30***99 | Bolt (Standard) | 2 |
Komatsu : H285s(S/N G78111) : Drive : Pumps Arrangement (Standard)
| 00***98 | Test Socket | 4 |
| 30***99 | Bolt | 2 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Drive : Radiator - Fan Drive
| 00***98 | Locking Plate | 1 |
| 26***40 | Flange Shaft, Assembly | 1 |
| 26***40 | Flange Shaft | 1 |
Komatsu : H285s(S/N G78111) : Drive : Radiator Arrangement
| 30***99 | Bolt | 30 |
| 30***99 | Bolt | 12 |
| 30***99 | Bolt To Fig-Nos. 02, 03, 06-08 | 6 |
Komatsu : H285s(S/N G78111) : Drive : Serial-No. :
Komatsu : H285s(S/N G78111) : Drive : Series :
Komatsu : H285s(S/N G78111) : Drive : Type :
Electric
Komatsu : H285s(S/N G78111) : Electric : -Engine Switch Box
| 05***40 | Cable Shoe, Red | 20 |
| 05***40 | Cable Lug (M6) | 5 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Electric : -Junction Box
| 00***98 | Clamp 15/15 | 20 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 05***40 | Pull Switch | 1 |
Komatsu : H285s(S/N G78111) : Electric : -Main Switch Box
| 05***40 | Socket 2-Polig | 1 |
| 05***40 | Flanged Socket | 1 |
| 05***40 | Diode | 3 |
Komatsu : H285s(S/N G78111) : Electric : Batteries With Cables
| 00***98 | Pipe Clamp, Rubber Armed | 8 |
| 08***40 | Rubber Plate 20x430x490 | 10 |
| 14***40 | Cable Shoe | 8 |
Komatsu : H285s(S/N G78111) : Electric : Cables - Diesel Engine
| 00***98 | Clamp 15/15 | 20 |
| 05***40 | Rubber Grommet | 4 |
| 25***40 | Rubber Grommet | 6 |
Komatsu : H285s(S/N G78111) : Electric : Cables - Cab Support
| 00***98 | Clamp 10/15 | 10 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 27***40 | Cable 2x075 Qmm Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Electric : Cables - Control Frame
| 00***98 | Clamp 10/15 | 20 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 27***40 | Cable 2x075 Qmm Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Electric : Cables - Oil Tank
| 00***98 | Clamp 15/15 | 20 |
| 05***40 | Cable Lug, Red | 15 |
| 05***15 | Cable Protection Hose Ca. 4000 mm Bulk Ware, State Length Required | 7 |
Komatsu : H285s(S/N G78111) : Electric : Cables - Superstructure
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 32***40 | Cable Union Pg 7 | 7 |
| 32***40 | Plug-In Sleeve | 6 |
Komatsu : H285s(S/N G78111) : Electric : Installation - Switch- And Junction Box
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 30***99 | Bolt | 6 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Electric : Standard Lighting Equipment (24v)
| 00***98 | Clamp 15/15 | 30 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 05***40 | Plug To Fig-No: 17 | 3 |
Komatsu : H285s(S/N G78111) : Electric : Warning System
| 00***98 | Clamp 15/15 | 10 |
| 05***40 | Cable Shoe | 3 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
General View
Komatsu : H285s(S/N G78111) : General View : General View Bullclam Bucket Equipment
Komatsu : H285s(S/N G78111) : General View : General View Shovel
Komatsu : H285s(S/N G78111) : General View : General View Superstructure
Komatsu : H285s(S/N G78111) : General View : General View Undercarriage
Komatsu : H285s(S/N G78111) : General View : Machine-Maintenance Parts (Cu-Engine)
| 26***40 | Air Cleaner, Cabin Supercharger | 1 |
| 26***40 | Drive Belt, Fan - Radiator | 1 |
| 69***06 | By-Pass - Oil Filter Cartridge, Diesel Engine | 2 |
Hydraulic
Komatsu : H285s(S/N G78111) : Hydraulic : --Aeration Filter
| 33***99 | Nut | 1 |
| 44***40 | Aeration Filter, Assembly | 1 |
| 69***89 | Socket Housing | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : --Pressure Connecting Stage
| 10***65 | O-Ring | 1 |
| 49***40 | Pressure Sequence Stage Assembly | 1 |
| 50***98 | O-Ring | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : --Pressure Relief Valve
| 10***65 | O-Ring | 1 |
| 32***40 | Pressure Relief Valve, Assembly. Without Pressure Adjustment | 1 |
| 50***98 | O-Ring | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : --Primary Prv
| 10***65 | O-Ring | 1 |
| 32***40 | Pressure Relief Valve, Assembly. Without Pressure Adjustment | 1 |
| 50***98 | O-Ring | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : --Return Oil Filter
| 10***65 | O-Ring | 1 |
| 33***99 | Nut | 2 |
| 33***99 | Nut | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Anticavitation Valve
| 35***40 | Anticavitation Valve, Assembly | 1 |
| 50***98 | O-Ring | 1 |
| 75***73 | Seal Ring To Fig-No. 06 | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Double H.P. Filter
| 31***99 | Plug | 2 |
| 31***99 | Screw | 8 |
| 33***99 | Seal Ring | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Fan Motor
Komatsu : H285s(S/N G78111) : Hydraulic : -Filter
| 18***40 | Plug, Assembly | 1 |
| 59***40 | Hydraulic. Filter Assembly | 1 |
| 60***40 | Plug | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Load Limitation Valve
| 17***40 | Plug | 3 |
| 32***99 | Screw | 1 |
| 32***40 | Load Limitation Valve, Assembly | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Main Control Block Dn 52
| 31***99 | Eye Bolt | 3 |
| 31***99 | Screw | 32 |
| 31***99 | Screw | 32 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Main Oil Tank Assy. (2325 L)
| 00***98 | O-Ring | 1 |
| 00***98 | Union | 2 |
| 00***98 | Union | 3 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Non-Return Valve
| 25***40 | O-Ring | 2 |
| 31***99 | Screw | 4 |
| 35***99 | Grooved Drive Stud | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : -One-Way Restrictor
| 00***98 | Seal Ring | 1 |
| 20***40 | O-Ring | 1 |
| 31***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Pressure Accumulator
| 23***40 | Pressure Accumulator, Assembly (Std.) | 1 |
| 26***40 | Pressure Accumulator (Tt), Assembly | 1 |
| 33***99 | Seal Ring | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Secondary Prv
| 17***40 | Union | 3 |
| 18***40 | Screw Plug | 1 |
| 40***40 | Valve Block | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Simplex H.P. Filter
| 31***99 | Plug | 1 |
| 31***99 | Screw | 4 |
| 33***99 | Seal Ring | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Slew Gear Contr.Block Dn40
| 25***40 | Valve Disk | 1 |
| 25***40 | Compression Spring | 1 |
| 31***99 | Bolt | 8 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Suction Tank (606 L)
| 17***40 | Union | 1 |
| 20***40 | Dust Muff | 1 |
| 25***40 | Cover | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Throttle Block
| 17***40 | Plug | 4 |
| 26***40 | Jet 2,0 | 2 |
| 32***40 | Jet 0,5 | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : -Turnable Brake Valve
| 00***98 | O-Ring | 2 |
| 31***99 | Bolt | 4 |
| 50***98 | O-Ring | 4 |
Komatsu : H285s(S/N G78111) : Hydraulic : Bucket Cylinder - Cut-Off Device (Overheat)
| 00***98 | Union | 1 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 18***40 | Connection Plate | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Control Lines (A)
| 00***98 | Clamp 10/15 | 10 |
| 00***98 | Union | 12 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Hydraulic : Distributor Block - Boom (Bbe)
| 30***99 | Bolt | 24 |
| 31***99 | Screw | 48 |
| 33***99 | Nut Standard | 48 |
Komatsu : H285s(S/N G78111) : Hydraulic : Distributor Block Arr.
| 31***99 | Screw | 32 |
| 31***99 | Screw | 4 |
| 35***40 | Flange Seal | 8 |
Komatsu : H285s(S/N G78111) : Hydraulic : External Pilot Oil Chain Arr.
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 26***40 | Hose Fittings | 2 |
| 30***99 | Bolt | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Fan Drive - Arrangement
| 21***99 | Pipe ? 6x150 mm Bulk Ware, State Length Required | 2 |
| 26***40 | Fan | 2 |
| 30***99 | Bolt | 8 |
Komatsu : H285s(S/N G78111) : Hydraulic : Fan Motor, Pressure- And Return Lines
| 00***98 | O-Ring | 1 |
| 00***98 | Union | 1 |
| 00***98 | Union | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Filter And Valves Arr.
| 00***98 | Clamp 10/15 | 20 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 08***40 | Pressure Relief Valve (10 Bar) | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : H.P.Filter - Control Blocks
| 30***99 | Cover Plate | 2 |
| 31***99 | Socket Head Cap Screw | 12 |
| 31***99 | Screw | 20 |
Komatsu : H285s(S/N G78111) : Hydraulic : H.P.Filter Arrangement
| 00***98 | Clamp 10/15 | 20 |
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 15***40 | Test - Screw Coupling | 4 |
Komatsu : H285s(S/N G78111) : Hydraulic : Hydraulic Pilot Control :
Komatsu : H285s(S/N G78111) : Hydraulic : Installation - Control Blocks (Bbe)
| 16***40 | Release Valve | 8 |
| 29***40 | Support, Control Unit | 1 |
| 30***99 | Bolt | 3 |
Komatsu : H285s(S/N G78111) : Hydraulic : Load-Sensing
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 30***99 | Screw | 3 |
| 30***99 | Bolt | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Main Control Blocks - Dis- Tributor Block (Bbe)
| 30***99 | Bolt | 4 |
| 38***40 | Quad Seal Ring | 12 |
| 42***40 | Pipe Bracket | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Main Control Blocks - One-Way Restrictors (Bbe)
| 31***99 | Bolt | 4 |
| 31***99 | Screw | 24 |
| 38***40 | Quad Seal Ring | 13 |
Komatsu : H285s(S/N G78111) : Hydraulic : Main Control Blocks - Rotary Joint
| 00***98 | Union | 1 |
| 25***40 | Hose Fittings | 3 |
| 25***40 | Hose Fittings | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Main Pump Control
Komatsu : H285s(S/N G78111) : Hydraulic : Main- And Suction Oil-Tank
| 05***40 | Cable Protection Hose Pg 7 Bulk Ware, State Length Required | 0 |
| 31***99 | Screw | 8 |
| 32***99 | Screw | 16 |
Komatsu : H285s(S/N G78111) : Hydraulic : Mounting - Main Oil Tank
| 05***40 | Thermosender | 1 |
| 08***40 | Pressure Switch | 1 |
| 19***40 | Pressure Switch 0,5 Bar | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Oil Cooler - Arrangement
| 15***40 | Rivet | 50 |
| 16***40 | Profiled Joint Ca. 6000 Lg. Bulk Ware, State Length Required | 24 |
| 25***40 | Adhesive 0,2 Kg | 0 |
Komatsu : H285s(S/N G78111) : Hydraulic : Oil Cooler - Hoses, Assy.
| 14***40 | Half Flange | 4 |
| 14***40 | Half Flange | 6 |
| 30***99 | Cover Plate | 14 |
Komatsu : H285s(S/N G78111) : Hydraulic : Oil Cooler System, Mountings
| 30***99 | Bolt Standard | 2 |
| 38***40 | Oil Cooler System | 1 |
| 50***98 | Bolt Cold Weather Design | 8 |
Komatsu : H285s(S/N G78111) : Hydraulic : Pipes, Filter And Valves
| 00***98 | Test Coupling | 3 |
| 00***98 | Test Socket | 1 |
| 00***98 | Test Socket | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Pressure Lines (P)
| 25***40 | Hose Fittings | 4 |
| 25***40 | Clamp | 2 |
| 25***40 | Hose Fittings | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Pressure Lines, Main Pumps - H.P.-Filter
| 30***99 | Bolt | 8 |
| 30***99 | Cover Plate | 16 |
| 31***99 | Screw | 48 |
Komatsu : H285s(S/N G78111) : Hydraulic : Pressure- A. Leakage Line For Measuring- And Pilot Oil Pump
| 00***98 | O-Ring | 1 |
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 1 |
| 26***40 | Hose Fittings | 3 |
Komatsu : H285s(S/N G78111) : Hydraulic : Priority Contol
| 00***98 | Union | 3 |
| 14***40 | Shuttle Valve | 2 |
| 21***99 | Pipe ? 10x270 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Hydraulic : Pump Lube Lines
| 14***40 | Half Flange | 2 |
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 2 |
| 25***40 | Hose Fittings | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Return Lines (T)
| 00***98 | Union | 1 |
| 25***40 | Hose Fittings | 7 |
| 25***40 | Hose Fittings | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Return Lines, Control Blocks
| 00***98 | Flange Seal | 2 |
| 14***40 | Half Flange | 12 |
| 14***40 | Half Flange | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Return Lines, Filter And Valves
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 1 |
| 25***40 | Hose Fittings | 1 |
| 25***40 | Hose Nw 20x Ca. 1500 mm Bulk Ware, State Length Required | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Return Lines, One-Way Restrictors (Bbe)
| 00***98 | Socket | 6 |
| 00***98 | Union | 2 |
| 14***40 | Half Flange | 4 |
Komatsu : H285s(S/N G78111) : Hydraulic : Return Lines, Secondary Prv And One-Way Restrictors
| 00***98 | Union | 1 |
| 21***99 | Pipe ? 10x270 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Hydraulic : Secondary Prv Arrangement (Clam Cylinder)
| 00***98 | Union | 1 |
| 21***99 | Pipe ? 10x270 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Test-Screw Coupling | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Slew Gear - Anticavitation
| 00***98 | Union | 2 |
| 14***40 | Half Flange | 4 |
| 25***40 | Test-Screw Coupling | 1 |
Komatsu : H285s(S/N G78111) : Hydraulic : Slew Gear Control Block - Slew Gear Motor
| 30***99 | Bolt | 2 |
| 31***99 | Screw | 32 |
| 31***99 | Bolt (Standard) | 16 |
Komatsu : H285s(S/N G78111) : Hydraulic : Slew Gear, Leackage Lines And Brake Control
| 00***98 | Union | 1 |
| 00***98 | Socket | 2 |
| 25***40 | Hose Fittings | 3 |
Komatsu : H285s(S/N G78111) : Hydraulic : Suction Lines (Series)
| 00***98 | Clamp | 2 |
| 00***98 | Clamp | 2 |
| 00***98 | Hose Clamp | 2 |
Komatsu : H285s(S/N G78111) : Hydraulic : Suction Tank - Mountings
| 30***99 | Bolt (Standard) | 14 |
| 33***99 | Nut Standard | 28 |
| 50***98 | Bolt (Could Weather Design) | 14 |
Operator'S Cab
Komatsu : H285s(S/N G78111) : Operator'S Cab : --Clutch
| 32***99 | Threaded Pin | 1 |
| 33***99 | Nut | 8 |
| 49***40 | Clutch Assembly | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : --Compressor
| 25***40 | Compressor, Assembly | 1 |
| 69***73 | Upstroke Valve | 1 |
| 69***73 | Valve | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Compressor Drive
| 00***98 | Screw Retention | 4 |
| 00***98 | Plate Ring | 4 |
| 00***98 | Union | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Heater
| 46***40 | Heat Exchanger | 1 |
| 51***40 | Heater Consist. Of Fig-Nos: 02-08 | 1 |
| 69***73 | Tab 4-Pole | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Hydraulic Filter
| 59***40 | Hydraulic. Filter Assembly | 1 |
| 60***40 | Plug | 1 |
| 60***40 | Seal | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Hydraulic Pump
| 35***40 | Hydraulic.-Pump, Assembly | 1 |
| 98***95 | Coupling | 1 |
| 99***24 | Repair Kit Consist. Of Seal Kit And Fig-Nos: 06 And 09 | 0 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Operation Panel
| 05***40 | Tongue Terminal 1,5-2,5 | 0 |
| 30***40 | Operation Panel, Part 2 (W/O Electric Appliances) | 1 |
| 30***40 | Cover Assembly. Fig-Nos. 05-07 | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Operator'S Cab
| 00***98 | Es-Pin | 2 |
| 00***98 | Es-Pin | 1 |
| 05***40 | Grommet | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Operator'S Cab Support
| 08***40 | Lock Assembly | 1 |
| 08***40 | Handle | 1 |
| 23***40 | Fitting | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Operator'S Seat
| 30***99 | Bolt | 2 |
| 31***99 | Screw | 4 |
| 34***99 | Washer | 6 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Pilot Oil Units : Foot Controlled
| 25***40 | Pilot Oil Unit Assembly | 1 |
| 30***99 | Screw To Valve Y11d+Y120 | 2 |
| 31***99 | Screw | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Pilot Oil Units : Hand Controlled
| 32***40 | Pilot Oil Unit, Assembly | 0 |
| 69***22 | Return Spring | 4 |
| 75***91 | Lever | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : -Sliding Window
| 32***40 | Sliding Window Assembly, L.H | 1 |
| 35***40 | Sliding Window Assembly, R.H | 1 |
| 51***98 | Screw | 16 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Air Cleaner Platform
| 00***98 | Locking Spring | 2 |
| 30***99 | Bolt | 2 |
| 31***40 | Wing Nut, Plastic | 4 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Air Conditioning Equipment :
Komatsu : H285s(S/N G78111) : Operator'S Cab : Air Conditioning Lines
| 16***40 | Profiled Joint Ca. 6000 Lg. Bulk Ware, State Length Required | 0 |
| 23***40 | Hose Nw 10x Ca. 6000 mm Bulk Ware, State Length Required | 0 |
| 30***99 | Screw | 20 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Cabin Supercharger
| 26***40 | Air Cleaner, Cabin Supercharger | 1 |
| 30***99 | Bolt | 3 |
| 30***99 | Bolt | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Cabin : Light Grey
Komatsu : H285s(S/N G78111) : Operator'S Cab : Covering (Doors)
| 30***99 | Bolt | 8 |
| 30***99 | Bolt | 25 |
| 30***99 | Screw | 20 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Gratings (Engine And Control Blocks)
| 30***99 | Bolt 35 Lg | 6 |
| 30***99 | Bolt Pin Lock From S/No: 06 120 | 6 |
| 30***99 | Bolt | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Hot-Water-Heater
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Breather Up To 06 122 | 3 |
| 25***40 | Hose Fittings 90? | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Hydraulic
| 00***98 | O-Ring | 1 |
| 00***98 | Test Union | 1 |
| 00***98 | Hose Clamp | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Operator'S Cab - Glazing
| 08***40 | Clamping Section 2800 Lg. (To Fig-Nos. 02,04) Bulk Ware, State Length Required | 2 |
| 08***40 | Filler Section 3000 Lg. Bulk Ware, State Length Required | 2 |
| 30***40 | Rear Window 803x458 | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Operator'S Cab Support,Mount.
| 30***99 | Bolt Standard | 12 |
| 38***40 | Bushing | 12 |
| 50***98 | Bolt (Could Weather Design) | 12 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Operator'S Cab, Arrangement
| 08***40 | Mirror | 2 |
| 11***40 | Mirror Bracket, R.H | 1 |
| 16***40 | Profiled Joint Ca. 6000 Lg. Bulk Ware, State Length Required | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Operator'S Stand
| 24***40 | Cover | 1 |
| 30***99 | Bolt 20 mm Lg | 7 |
| 30***99 | Bolt 25 mm Lg | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Protection Roof (With Air Conditioning Equipment, Roof)
| 30***99 | Bolt | 8 |
| 38***40 | Bushing | 8 |
| 40***40 | Flap | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Rail
| 26***40 | Pin | 4 |
| 27***40 | Grating 420x1650 | 1 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Steps
| 11***99 | Cable Clamp | 2 |
| 18***40 | Limit Switch | 1 |
| 30***99 | Bolt | 1 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Steps And Covering
Komatsu : H285s(S/N G78111) : Operator'S Cab : Steps, L.H.
| 08***40 | Edge | 1 |
| 27***40 | Grating 480x750 | 1 |
| 31***40 | Grating 300x660 | 2 |
Komatsu : H285s(S/N G78111) : Operator'S Cab : Windscreen Washing Assy.
| 05***40 | Grommet | 2 |
| 05***40 | Wiper Motor 120? | 1 |
| 19***40 | Diaphragm Pump | 1 |
Refueling- And Grease Equipment
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : --Lube Pump
| 00***98 | O-Ring To Fig-Nos. 61,62 | 2 |
| 69***14 | Pin | 1 |
| 69***16 | Bush With Thread | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : -Drip - Pinion Lube Station
| 21***99 | Pipe ? 10 Bulk Ware, State Length Required | 0 |
| 37***99 | Union | 1 |
| 55***40 | Lube Pump Station Consist. Of Fig-Nos: 02-45 | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : -Lube Filter
| 41***40 | Lube Filter Assembly., 6-Fold | 1 |
| 69***32 | Ring | 6 |
| 69***33 | Union To The Lube Filters | 6 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : -Lube Station
| 21***99 | Pipe ? 10 Bulk Ware, State Length Required | 0 |
| 37***99 | Union | 1 |
| 55***40 | Lube Pump Station Consist. Of Fig-Nos: 02-45 | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : -Metering Valve
| 26***40 | Metering Valve, Assembly | 1 |
| 69***02 | Nipple | 1 |
| 69***03 | Adjusting Screw | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Boom (1-Line)
| 00***98 | Clamp 15/15 | 8 |
| 21***99 | Pipe ? 12 Ca 300mm Bulk Ware, State Length Required | 0 |
| 21***99 | Pipe ? 16x50 Lg. Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Bucket (1-Line)
| 00***98 | Clamp 10/15 | 6 |
| 00***98 | Union | 6 |
| 14***40 | Clamp 20/15 | 6 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Electric Parts
| 04***40 | Dust Cap | 1 |
| 04***40 | Plug | 1 |
| 14***40 | Socket | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Electrical Equipment
| 04***40 | Dust Cap | 6 |
| 04***40 | Plug | 6 |
| 05***40 | Ground Wire - Series Terminal | 6 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Greases
| 27***40 | Grease T3 Hs -40/-10? C / 50 Kg | 1 |
| 32***40 | Grease T2 Hs -20/+10? C /50 Kg | 1 |
| 50***98 | Adhesive Lubrication Spray | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Lube Stations Arr.
| 00***98 | Pin | 3 |
| 30***99 | Screw | 4 |
| 30***99 | Bolt To Fig-Nos. 02, 03, 06-08 | 8 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Pinion Lube Lines
| 21***99 | Pipe ? 12 Ca 300mm Bulk Ware, State Length Required | 0 |
| 30***99 | Bolt | 4 |
| 30***99 | Screw | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Pipes - Drip Lube Station
| 20***40 | Coupler Plug Nw 12.5 | 1 |
| 20***40 | Coupling Sleeve Nw 12.5 | 1 |
| 20***40 | Protection Cap | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Pipes - Lube Station
| 20***40 | Coupler Plug Nw 12.5 | 1 |
| 20***40 | Coupling Sleeve Nw 12.5 | 1 |
| 20***40 | Protection Cap | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Pipes - Metering Valves, Grease Line System
| 21***99 | Pipe ? 12 Ca 300mm Bulk Ware, State Length Required | 0 |
| 30***99 | Bolt | 4 |
| 30***99 | Screw | 16 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Refueling System
| 00***98 | Clamp 15/15 | 20 |
| 00***98 | Union | 1 |
| 25***40 | Housing, Empty | 1 |
Komatsu : H285s(S/N G78111) : Refueling- And Grease Equipment : Stick (1-Line)
| 00***98 | Clamp 15/15 | 8 |
| 21***99 | Pipe ? 12 Ca 300mm Bulk Ware, State Length Required | 0 |
| 21***99 | Pipe ? 16x50 Lg. Bulk Ware, State Length Required | 1 |
Slew Gear
Komatsu : H285s(S/N G78111) : Slew Gear : -Slew Gear
| 00***98 | O-Ring | 1 |
| 08***07 | Shaft Seal | 1 |
| 08***50 | Shaft Seal | 1 |
Komatsu : H285s(S/N G78111) : Slew Gear : Installation - Gear/Motor
| 26***40 | Hose Fittings | 4 |
| 30***99 | Bolt | 48 |
| 30***99 | Bolt | 8 |
Superstructure
Komatsu : H285s(S/N G78111) : Superstructure : -Slew Ring
| 22***40 | Lip Type Seal Ng 25 X 9.200 mm Bulk Ware, State Length Required | 1 |
| 22***40 | Lip Type Seal Ng 40x11000 Lg. Bulk Ware, State Length Required | 1 |
| 31***99 | Screw | 18 |
Komatsu : H285s(S/N G78111) : Superstructure : Boom Pin
| 24***40 | Travel Eye | 2 |
| 30***99 | Bolt Standard | 8 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Superstructure : Cover - Slew Ring
| 30***99 | Bolt | 36 |
| 31***40 | Thumb Screw | 5 |
| 33***99 | Nut | 5 |
Komatsu : H285s(S/N G78111) : Superstructure : Installation - Slew Ring
| 12***40 | Dowel Pin | 2 |
| 25***40 | Hv-Washer | 216 |
| 32***40 | Compound (2 Lbs) (1,3 Kg.) | 4 |
Komatsu : H285s(S/N G78111) : Superstructure : Installation Counterweight
| 30***99 | Bolt (Standard) | 4 |
| 33***99 | Nut (Standard Equipment) | 16 |
| 44***40 | Moulding Material 30x30 Bulk Ware, State Length Required | 0 |
Undercarriage
Komatsu : H285s(S/N G78111) : Undercarriage : --Pressure Relief Valve
| 10***65 | O-Ring | 1 |
| 32***40 | Pressure Relief Valve, Assembly. Without Pressure Adjustment | 1 |
| 50***98 | O-Ring | 1 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Bottom Roller
| 26***40 | Lifetime Seal | 2 |
| 30***99 | Screw | 8 |
| 31***99 | Washer | 8 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Brake Valve
| 10***64 | O-Ring | 2 |
| 25***40 | Valve Disk | 2 |
| 25***40 | Compression Spring | 2 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Drive Sprocket
| 25***40 | Hv-Washer | 12 |
| 30***99 | Bolt (Standard) | 12 |
| 33***99 | Nut (Standard Equipment) | 12 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Idler Assy.
| 30***99 | Screw | 8 |
| 31***40 | Stop Washer | 2 |
| 31***40 | Axle Stirrup | 4 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Rotary Joint
| 00***98 | Grease Nipple | 2 |
| 30***99 | Bolt | 8 |
| 30***99 | Bolt 25 mm Lg | 8 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Tensioner
| 17***40 | Plug | 1 |
| 25***40 | Test-Screw Coupling | 1 |
| 31***99 | Screw | 23 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Top Roller
| 30***99 | Bolt | 8 |
| 31***40 | Roller Bearing | 2 |
| 31***40 | Stop Washer | 2 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Travelling Gear
| 00***98 | Shaft Seal | 2 |
| 00***98 | Shaft Seal | 2 |
| 30***99 | Bolt | 1 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Travelling Motor
| 31***99 | Screw | 14 |
| 32***99 | Screw | 8 |
| 34***99 | Circlip | 1 |
Komatsu : H285s(S/N G78111) : Undercarriage : -Valve Block
| 00***98 | Union | 1 |
| 15***40 | Union | 2 |
| 21***99 | Pipe ? 20x75 Bulk Ware, State Length Required | 1 |
Komatsu : H285s(S/N G78111) : Undercarriage : Brake Control
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Screwed Fittings | 5 |
| 30***99 | Screw | 6 |
Komatsu : H285s(S/N G78111) : Undercarriage : Brake Valve Arrangement
| 15***40 | Test - Screw Coupling | 1 |
| 30***99 | Bolt | 4 |
| 31***99 | Washer | 4 |
Komatsu : H285s(S/N G78111) : Undercarriage : Carbody/Rotary Joint
| 25***40 | Hv-Washer | 6 |
| 30***99 | Bolt | 2 |
| 30***99 | Bolt | 4 |
Komatsu : H285s(S/N G78111) : Undercarriage : Carbody/Side Frame
| 23***40 | Pin Standard | 8 |
| 25***40 | Pin Cold Weather Design | 8 |
| 31***99 | Screw | 104 |
Komatsu : H285s(S/N G78111) : Undercarriage : Hydraulic :
Komatsu : H285s(S/N G78111) : Undercarriage : Leakage Lines
| 21***99 | Pipe ? 10x1000 Lg. Bulk Ware, State Length Required | 0 |
| 21***99 | Pipe Assembly. ? 28 Bulk Ware, State Length Required | 0 |
| 26***40 | Hose Fittings | 6 |
Komatsu : H285s(S/N G78111) : Undercarriage : Pressure Lines
| 30***99 | Cover Plate | 8 |
| 31***99 | Socket Head Cap Screw | 32 |
| 31***99 | Bolt (Standard) | 16 |
Komatsu : H285s(S/N G78111) : Undercarriage : Track Adjusting
| 00***98 | Test Socket | 2 |
| 25***40 | Hose Dn 12 X Ca. 4000 Lg. Bulk Ware, State Length Required | 0 |
| 25***40 | Suction Line Dn 60 Bulk Ware, State Length Required | 0 |
Komatsu : H285s(S/N G78111) : Undercarriage : Track Frame
| 25***40 | Hv-Washer | 104 |
| 30***99 | Bolt Standard 230 Lg. Normaltemperatur | 56 |
| 35***40 | Nut (Standard) | 56 |
Komatsu : H285s(S/N G78111) : Undercarriage : Track Group - Drive Sprocket Side
| 00***98 | Union | 2 |
| 25***40 | Hv-Washer | 72 |
| 25***40 | Hv-Washer | 24 |
Komatsu : H285s(S/N G78111) : Undercarriage : Track Group - Idler Protection
| 30***99 | Bolt | 12 |
| 30***99 | Bolt | 8 |
| 33***99 | Nut | 16 |
Komatsu : H285s(S/N G78111) : Undercarriage : Track Group, 1200 Mm
| 33***99 | Nut | 188 |
| 34***99 | Washer | 188 |
| 42***40 | Bolt | 188 |
H285S(S/N G78111) serial number reference
The PIN plate is riveted to the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. Read the prefix as the first character of the 17-character ISO PIN (e.g., 'G' in G78111) or the leading letter of the traditional model+serial format.
| Prefix | Identifies | Notes |
|---|---|---|
| G | H285S | Serial range 78104–78114. S/N G78111 falls within this range. Source: published references catalog listing for H285S S/N 78 104 and variants 78112, 78105, 78106, 78114. Verify with dealer for exact break points. |
Frequently asked questions
What engine does the Komatsu H285S(S/N G78111) use?
The Komatsu H285S(S/N G78111) uses a Cummins K2000E engine.
What is the operating weight of the Komatsu H285S?
The operating weight is 335,000 kg (738,549 lbs).
What replaced the Komatsu H285S?
The H285S was phased out as mining technology evolved toward newer, more efficient models, such as the Komatsu PC8000 series.
What H285S(S/N G78111) owners discuss
What engine powers the Komatsu H285S hydraulic shovel?
The Komatsu H285S is powered by a Cummins K2000E engine. This power unit features 16 cylinders, a displacement of 50.3 liters, and turbocharging. It delivers an effective power of 1178.2 kW at 1800 rev/min. The engine is designed for heavy mining applications and requires specific lubricants and coolant to maintain performance under extreme loads. Always verify the exact engine configuration against the machine's serial number, as early production runs may vary. Have your dealer verify the engine model and specifications for your specific serial range.
How does the H285S hydraulic system behave, and what are common failure modes?
The H285S utilizes an open-circuit hydraulic system with four identical pumps that deliver oil from an unpressurized tank. This design provides maximum cooling and filtering efficiency. A known industry observation for this Komatsu line is that hydraulic pump failure often precedes engine failure, leading to simultaneous wear of major components. Operators should monitor hydraulic oil temperature and viscosity closely; weak performance when hot but normal when cold indicates internal leakage in pumps, valves, or cylinders. The system holds 2960 liters of hydraulic fluid. Regular inspection of the main safety valve and hydraulic filters is critical to prevent slow operation and component damage.
What are the typical undercarriage and wear patterns for the H285S?
The H285S features a long, hydraulically extendable undercarriage with a track width of 1200 mm. The total track length is 8375 mm, with 6245 mm on the ground level. Due to the machine's massive operating weight of 335,000 kg, undercarriage components such as track pads, bushings, and bearings are subject to significant wear and tear. Worn bushings can lead to noise and vibration, while worn bearings may cause premature track failure. The machine's ground pressure is approximately 193.1 kPa. Regular tensioning and inspection of the track chain and rollers are essential to prevent rapid wear and ensure stability during heavy digging operations.
What electrical or sensor issues are common in used Komatsu excavators like the H285S?
Komatsu excavators rely heavily on electronic control systems, making them susceptible to issues from faulty sensors or unstable power supplies. Common symptoms include intermittent starting, dashboard failures, and random machine shutdowns. Owners often report that a single faulty sensor can trigger multiple warning signals. To troubleshoot, check the battery state of charge, engine and chassis grounds, and main starter cables. If the machine cranks but does not start, inspect fuel supply and fault codes. Electrical diagnosis should prioritize verifying power supply and sensor functionality before assuming control panel failure.
What should be checked when buying a used Komatsu H285S?
When inspecting a used Komatsu H285S, prioritize the following: 1) Hydraulic System: Test all functions cold and hot to detect internal leakage. Check for slow operation when hot, which indicates pump or valve wear. 2) Engine: Verify the Cummins K2000E runs smoothly under load without excessive black smoke or power loss. Check fuel filters and air intake for restrictions. 3) Undercarriage: Inspect track tension, roller condition, and track-chain wear. Look for signs of excessive vibration or noise from the final drives. 4) Electrical: Scan for fault codes and test all dashboard functions. Ensure the battery and grounds are in good condition. 5) Cooling System: Check the radiator, hydraulic oil cooler, and charge-air cooler for blockages or leaks. Verify coolant levels and fan operation. Consult the specific operation and maintenance manual for your serial range for detailed inspection points.
What are the key fluid specifications and capacities for the H285S?
The Komatsu H285S requires specific fluids to maintain performance. The hydraulic system holds 2960 liters of hydraulic oil. The fuel tank capacity is 4570 liters. Komatsu recommends using Komatsu Genuine hydraulic oil and diesel engine oil that meets their specifications. For cooling, use Komatsu Super-coolant AF-NAC or equivalent. Always refer to the machine's lubrication and maintenance manual for the exact fluid types and capacities, as they can vary by configuration and serial range. Using incorrect fluids can lead to premature wear of hydraulic components and engine damage.
What are the safety-critical maintenance items for the H285S?
Safety-critical maintenance items for the Komatsu H285S include: 1) Swing Brake: Regularly inspect the swing brake to ensure the upper structure holds position and does not drift. 2) Travel Motors: Check for noise or leakage in the final drives and travel motors. 3) Hydraulic Hoses: Inspect all high-pressure hydraulic lines for wear, leaks, or damage. 4) Cooling System: Ensure the cooling package is clean and functional to prevent overheating. 5) Electrical Grounds: Verify all engine and chassis grounds are secure to prevent erratic electrical behavior. 6) Undercarriage Tension: Maintain proper track tension to prevent derailment. Have your dealer verify the condition of these safety-critical components before operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu H285S(S/N G78111). Related factory variants of the same model family:
H285S(S/N G78097)H285S(S/N G78135)H285S(S/N G78124)H285S(S/N G78098)H285S(S/N G78104)H285S(S/N G78076)H285S(S/N G78083)H285S(S/N G78110)H285S(S/N G78120)H285S(S/N G78121)H285S(S/N G78113)H285S(S/N G78123)H285S(S/N G78134)H285S(S/N G78139)
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