Engine
| Displacement | 3.9 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Natural |
| Rated speed | 1500 rpm |
This engine also powers 16 generator set(s) on Facts About Generators.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 928-0502B | Service part / kit | PartsGeek | ||
| 928-0506 | Service part / kit | PartsGeek | ||
| 960-0135 | Service part / kit | PartsGeek | ||
| 960-0504A | Service part / kit | PartsGeek | ||
| 960-0505 | Service part / kit | PartsGeek | ||
| 960-12 | 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
48140-5169 PartsGeek FridayParts $21.70 302.5 PartsGeek 303.5E PartsGeek 304E PartsGeek 305E PartsGeek 306E PartsGeek 150-0826 PartsGeek 303.5C PartsGeek 303CCR PartsGeek 303.5D PartsGeek 303ECR PartsGeek 304DCR PartsGeek 192-1134 PartsGeek FridayParts $85.99 194-6468 PartsGeek 229-1927 PartsGeek S3L2 PartsGeek 303CR PartsGeek 585-2858 PartsGeek 305.5E2 PartsGeek 304E2 PartsGeek 305CR PartsGeek 305E2 PartsGeek 566-7021 PartsGeek FridayParts $2900.00 302.7 PartsGeek 303.5 PartsGeek 303.5CR PartsGeek 304CR PartsGeek 302.7CR PartsGeek E302.7 PartsGeek E303 PartsGeek FridayParts $629.99 199-2184 PartsGeek S4L2 PartsGeek 302.5C PartsGeek 203-4410 PartsGeek FridayParts $393.99 CR303 PartsGeek M008T70471 PartsGeek FridayParts $139.99 MM409413 PartsGeek FridayParts $139.99 185-7280 PartsGeek 199-2376 PartsGeek 1937070 PartsGeek CA193-7070 PartsGeek 1404022 PartsGeek CA1404022 PartsGeek 144616 PartsGeek 199-2233 PartsGeek FP-XP-0021089 PartsGeek e302 PartsGeek FP-XP-0045394 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 Caterpillar 303 use?
The Caterpillar 303 excavator is powered by the Cummins/Onan 4B3.9-G2 engine.
About
Caterpillar 303 — excavator. Specifications and parts compiled from manufacturer documents.