CATBrake Parts

2436640 Hydrostatic Drive — Cat 953D D6K

This is a CTP aftermarket replacement for the CAT Hydrostatic Drive, a critical component responsible for transmitting power from the engine to the drive wheels via hydraulic pressure. It is manufactured to meet rigorous standards, providing reliable performance and durability that distinguishes it from worn units characterized by reduced power or erratic speed control. Operators might observe a noticeable decrease in tractive effort, sluggish acceleration, or the machine failing to reach expected travel speeds.

Hydrostatic Drive – Part No 2436640 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBrake 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

Always replace brakes in axle sets. Bed-in new brake pads with 8–10 moderate stops from 40 km/h. Check disc runout with a dial gauge — maximum 0.1 mm. Inspect caliper slides and pistons when replacing pads.

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

Part TypeHydrostatic Drive Unit
MaterialHigh-strength Steel and Aluminum Alloy
ApplicationTractor Drive System
Service LifeReplace based on performance degradation, typically 4,000-8,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydrostatic drive may first present as a loss of power or sluggish response when accelerating or climbing inclines. If ignored, the issue can worsen, leading to inconsistent speeds, difficulty maintaining momentum, and potential overheating of the hydraulic system. Continued operation with a compromised hydrostatic drive risks severe internal damage and costly repairs to the transmission and hydraulic components.

Installation Tip

Thoroughly flush the hydraulic system and replace all filters before installing a new hydrostatic drive to prevent contamination from entering the new unit. Ensure the hydraulic fluid is at the correct level and properly bled after installation to avoid cavitation.

Service Note

When replacing the hydrostatic drive, it is crucial to inspect and replace the associated hydraulic filters and check the condition of hydraulic lines for any signs of wear or leaks.