Engine
| Displacement | 4.49 L |
|---|---|
| Cylinders | 20 |
| Aspiration | four-cycle, diesel |
| Rated speed | 1500 rpm |
| Oil capacity | 390.0 L |
This engine also powers 4 generator set(s) on Facts About Generators.
Parts
31| Part # | Description | Qty | System | |
|---|---|---|---|---|
| F30377769 | Puller for injector removal | 1 | Puller | PartsGeek |
| F30378403 | Injector installation jig | 1 | Jig | PartsGeek |
| F6555197 | Lever for force-in lever | 1 | Lever | PartsGeek |
| F6557952 | Force-in lever for injector installation | 1 | Lever | PartsGeek |
| F6557991 | Puller bracket | 1 | Bracket | PartsGeek |
| W1001 | Fuel filter or new fuel filter insert | Fuel filter | Amazon eBay $50.00 PartsGeek | |
| W1002 | Check valve clearance (→Page 6 – 10) | Valve gear | PartsGeek | |
| W1003 | Replace air filter (→Page 6 – 36) | Air filter | Amazon eBay $35.00 PartsGeek | |
| W1005 | Air filters | Air filter | Amazon eBay PartsGeek | |
| W1008 | Engine oil filter | 2 | Oil filter | Amazon eBay PartsGeek |
| W1009 | Centrifugal oil filter (if fitted) | Centrifugal oil filter | Amazon eBay $49.95 PartsGeek | |
| W1011 | Combustion chambers | Combustion chambers | PartsGeek | |
| W1038 | Overhaul exhaust turbocharger (→Workshop Manual) | Exhaust turbocharger | PartsGeek | |
| W1051 | Overhaul fuel delivery pump (→Workshop Manual) | Fuel delivery pump | PartsGeek | |
| W1055 | Overhaul cylinder heads, visually inspect piston crowns and running pattern of cylinder liners (→Workshop Manual) | Cylinder head | PartsGeek | |
| W1063 | Overhaul cylinder heads. Visually inspect piston crowns and wear pattern on cylinder liner running surfaces. | Cylinder heads | PartsGeek | |
| W2004 | Fit new high-pressure sensor in fuel system. | Component maintenance | PartsGeek | |
| W2005 | Check engine coolant thermostat and replace thermal actuator (→Workshop Manual) | Thermostat | PartsGeek | |
| W2006 | Check engine coolant thermostat and fit new thermal actuator. | Component maintenance | PartsGeek | |
| W2007 | Check charge-air coolant thermostat and fit new thermal actuator. | Component maintenance | PartsGeek | |
| W2009 | Inspect centrifugal oil filter for wear (if fitted). | Component maintenance | PartsGeek | |
| W2010 | Overhaul starter. | Component maintenance | PartsGeek | |
| W2062 | Fit new sealing materials for all components disassembled. | Component maintenance | PartsGeek | |
| W3000 | Completely disassemble the engine. Inspect engine components as per Maintenance Manual instructions and repair or fit new components as required. | Extended component maintenance | PartsGeek | |
| 0135315483 | Connector pliers | 1 | Service part / kit | eBay PartsGeek |
| A001061/ | MTU Fluids and Lubricants Specification | Service part / kit | PartsGeek | |
| F6555766 | Barring tool | 1 | Service part / kit | PartsGeek |
| M015565/01E | Air Filter | 1 | Service part / kit | PartsGeek |
| M015715/00E | Service part / kit | PartsGeek | ||
| MTU-015715/00E | Special tools | Service part / kit | PartsGeek | |
| MTU-06-08 | Safety instructions | Service part / kit | PartsGeek |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this excavator
604JB1 PartsGeek 4JB1T PartsGeek 70SR PartsGeek 80MSR PartsGeek K903C PartsGeek SK60 PartsGeek SK80CS PartsGeek 8941311300 PartsGeek FridayParts $9.58 4BD1 PartsGeek 2446R147 PartsGeek FridayParts $54.00 SK150LC PartsGeek K903 PartsGeek K904 PartsGeek K905 PartsGeek MD140C PartsGeek MD240BLC PartsGeek SK100 PartsGeek SK115DZ PartsGeek SK120 PartsGeek SK130 PartsGeek SK160LC PartsGeek SK04-2 PartsGeek P123160 PartsGeek FridayParts $17.50 AF1966 PartsGeek 42769 PartsGeek 3EB0-225550 PartsGeek FridayParts $17.50 15000-37111 PartsGeek FridayParts $17.50 A10VD43 PartsGeek FridayParts $1329.99 24100U341S1 PartsGeek FridayParts $69.99 SK60-3 PartsGeek 2432R234 PartsGeek FridayParts $29.98 2432T473 PartsGeek FridayParts $29.98 2432T2279 PartsGeek FridayParts $29.98 K907 PartsGeek MD200C PartsGeek SK200 PartsGeek 2416R222 PartsGeek FridayParts $214.00 K903-2 PartsGeek SK60-4 PartsGeek 2416U23D3 PartsGeek FridayParts $158.00 K3V112DT PartsGeek 2441U291F2 PartsGeek SK270 PartsGeek SK220 PartsGeek FridayParts $59.50 2489R293F1 PartsGeek FridayParts $38.99 SK200-5 PartsGeek SK230 PartsGeek SK235 PartsGeek SK250 PartsGeek SK260 PartsGeek SK330 PartsGeek VI8944288120 PartsGeek FridayParts $83.69 894214-9620 PartsGeek FridayParts $16.99 4JG1 PartsGeek 4JG2 PartsGeek 4LB1 PartsGeek 4LC1 PartsGeek 4LE1 PartsGeek 4LE2 PartsGeek SK80CS-2 PartsGeek
Parts listed by aftermarket suppliers as fitting this excavator — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine does the Kobelco K903C use?
The Kobelco K903C excavator is powered by the MTU 20V 4000 engine.
About
Kobelco K903C — excavator. Specifications and parts compiled from manufacturer documents.