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Caterpillar 1P4231 Transmission Pump Assembly
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| Pump Type | Hydraulic Gear Pump |
|---|---|
| Mounting Configuration | Direct Transmission Mount |
| Drive Type | Engine PTO Driven |
| Housing Material | Cast Iron |
| Weight | 9.8 kg |
| Length | 21 cm |
| Width | 20.6 cm |
| Height | 19 cm |
| Package Dimensions | 21 × 20.6 × 19 cm |
Manufacturer No.
- 1P4231
- 1P-4231
OEM Part No.
- 1P4231
- 1P-4231
- 2260156
Engine Part No.
- Caterpillar 3306
Interchange No.
- CA1P4231
Fitment Vehicles
- Caterpillar 814
- Caterpillar 815
- Caterpillar 816
- Caterpillar 966
- Caterpillar 966C
The 1P4231 transmission pump group is a hydraulic gear pump designed for Caterpillar heavy equipment transmission systems. It circulates hydraulic fluid through the transmission and final drive assemblies.
The pump features cast iron construction with precision-machined gear sets for consistent flow delivery under high-pressure operating conditions. It mounts directly to the transmission housing and is driven by the engine power take-off.
This unit replaces OEM part numbers 1P4231, 1P-4231, and 2260156. Compatible with machines powered by the Caterpillar 3306 diesel engine.
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