CATEngine Parts

1p4231 Transmission Pump — Cat 3306

This transmission pump is a vital component responsible for circulating hydraulic fluid to power the transmission system. It ensures proper gear engagement and torque transfer, differing from a worn pump by delivering consistent, adequate pressure. Operators may experience delayed or harsh shifting, loss of drive power, or overheating of the transmission when this pump begins to fail.

Transmission Pump – Part No 1p4231 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeTransmission Pump
MaterialCast Iron, Steel
ApplicationTransmission Hydraulic System
Service LifeReplace based on performance and hours of operation
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early failure signs include whining noises from the transmission or a slight hesitation during gear changes. As it worsens, shifting becomes erratic, and the machine may lose power under load. Continued operation risks severe internal transmission damage due to inadequate lubrication and hydraulic pressure.

Installation Tip

Prime the new pump with clean transmission fluid before installation to ensure immediate lubrication upon startup. Do not reuse the old mounting hardware, as it may be worn or damaged.

Service Note

Replace the transmission filter and flush the hydraulic system when installing a new transmission pump.