CATEngine Parts

1226658 Transmission Pump — Cat 814F 815F

This Transmission Pump is responsible for generating hydraulic pressure to operate the transmission's clutches and torque converter, enabling gear changes and power transfer. Constructed from durable materials, it ensures consistent fluid flow and pressure, unlike a worn pump that may exhibit reduced output. Operators may experience delayed or harsh gear shifts, slipping clutches, or a complete loss of transmission function.

Transmission Pump – Part No 1226658 – 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 and steel
ApplicationTransmission hydraulic system
Service LifeReplace based on performance degradation or internal wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing transmission pump include delayed or rough gear shifts and a noticeable whine from the transmission housing. If left unaddressed, the pump's reduced output can lead to clutch slippage and overheating, potentially causing severe internal transmission damage. The ultimate risk is a complete loss of drive power, rendering the equipment inoperable.

Installation Tip

Ensure the transmission housing is completely drained of fluid and thoroughly cleaned before attempting to remove the old pump. When installing the new pump, carefully align it with the drive shaft and ensure all mounting bolts are snug before final tightening.

Service Note

When replacing the transmission pump, it is critical to also replace the transmission filter and flush the hydraulic system to remove any debris.