Engine
| Displacement | 4.5 L |
|---|---|
| Aspiration | Naturally aspirated |
This engine also powers 2 generator set(s) on Facts About Generators.
Parts
41| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 11-21011 | Gasket, Intake Port | 1 | Gasket | PartsGeek |
| 11-31012 | Gasket | 1 | Gasket | PartsGeek |
| 11-31031 | Gasket, Turbo Oil Return | 1 | Gasket | PartsGeek |
| 11-31094 | Gasket | 1 | Gasket | PartsGeek |
| 11-31099 | Gasket | 1 | Gasket | PartsGeek |
| 11-31401 | Gasket, K26 Turbo Mounting | 1 | Gasket | PartsGeek |
| 11-31615 | Gasket, Turbo/Exhaust Mtg. | 1 | Gasket | PartsGeek |
| 15-09501 | Sealing Washer, Copper M22 | 1 | Gasket | PartsGeek |
| 16-01000 | O-ring | 1 | Seal | PartsGeek |
| 16-09503 | O-ring | 1 | Seal | PartsGeek |
| 16-21001 | O-Ring | 2 | Seal | PartsGeek |
| 18-11003 | Hose, 1-1/4" ID x 2-1/2" 2 Ply | 1 | Hose | PartsGeek |
| 18-11010 | Hose, 3/4" I.D. x 1-1/4" | 1 | Hose | PartsGeek |
| 18-21004 | Hump Hose | 1 | Hose | PartsGeek |
| 18-21014 | Hose, 2" I.D. x 2-3/8" | 1 | Hose | PartsGeek |
| 18-21016 | Hose, 2" I.D. x 1-3/4" 3 Ply Silicone | 1 | Hose | PartsGeek |
| 18-31605 | Hose, 1-1/4 x 32" Wire Reinforced | 1 | Hose | PartsGeek |
| 24-21000 | Air Filter | 1 | Air filter | PartsGeek |
| 24-21003 | Air Filter | 1 | Air filter | PartsGeek |
| 37-11006 | Flow Switch 6 GPM 1 -1/4 NPT (Propulsion Units) | 1 | Sensor | PartsGeek |
| 51M7040 | O-ring | 1 | Seal | PartsGeek |
| R123353 | Gasket, Engine Oil Pan | 1 | Gasket | PartsGeek FridayParts $53.99 |
| R123439 | Drive Belt, LP-MP445D (non-turbo) | 1 | Belt | PartsGeek FridayParts $49.99 |
| R123440 | Drive Belt, LP-M445T-H (with turbo) | 1 | Belt | PartsGeek |
| R123457 | Drive Belt, LP-MP445T-H (with turbo) | 1 | Belt | PartsGeek |
| R123461 | Drive Belt, LP-MP445D (non-turbo) | 1 | Belt | PartsGeek |
| R128799 | O-ring | 1 | Seal | PartsGeek |
| R502076 | O-ring (replaces R89944) | 1 | Seal | PartsGeek |
| R51936 | Tube Seal | 9 | Seal | PartsGeek FridayParts $17.68 |
| RE48786 | Fuel Injector (with turbocharger, includes keys 2-3) | 4 | Injector | PartsGeek FridayParts $149.99 |
| RE502711XD | 12 Volt Standard Ground | 1 | Pump | PartsGeek |
| RE502715XD | 24 Volt Standard Ground | 1 | Pump | PartsGeek |
| RE60062 | Fuel Injector (without turbocharger, includes keys 2-3) | 4 | Injector | PartsGeek |
| RE64133XD | 12 Volt Standard Ground | 1 | Pump | PartsGeek |
| SP10 | Change secondary fuel filter | 1 | Fuel filter | PartsGeek FridayParts $279.00 |
| SP12 | Check fuel injection pump | 1 | Injector | eBay PartsGeek |
| SP13 | Check fuel injection pump | 1 | Fuel injection pump | eBay PartsGeek |
| SP19 | Change impeller in raw water pump | 1 | Impeller | eBay PartsGeek |
| SP23 | Check state of charge of batteries | 1 | Clutch and pto service | eBay $60.00 PartsGeek |
| SP15 | Check and flush cooling system | 1 | Service part / kit | eBay $20.74 PartsGeek |
| SP18 | Check and clean gear oil cooler | 1 | Service part / kit | eBay PartsGeek |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Common questions
What engine does the Caterpillar D400D use?
The Caterpillar D400D truck is powered by the John Deere Powertech 4045 engine.
About
Caterpillar D400D — truck. Specifications and parts compiled from manufacturer documents.