ZF 4699.001.144 GK10 | OEM Genuine Part

Overview

The ZF 4699.001.144 GK10 is a genuine OEM gearbox component designed for heavy-duty construction machinery transmissions. This precision-engineered part functions as a critical shift mechanism within the transmission housing, managing gear engagement and disengagement during operation. The SKU 4699.001.144 is specifically calibrated for ZF’s modular transmission architecture, ensuring seamless integration with the 4699101105 HOUSING assembly. It works in concert with the 0501329881 HOUSING COVER to maintain internal pressure and lubrication flow, while the 0634306309 O-RING provides a leak-proof seal at the interface. This part is essential for maintaining precise gear synchronization in loaders, excavators, and other off-highway equipment.

Symptoms of Failure

When the ZF 4699.001.144 GK10 begins to wear, operators may notice these specific failure indicators:

• Erratic gear engagement or delayed shifting – The part loses its ability to lock gears cleanly, causing hesitation during acceleration or gear changes under load.
• Transmission fluid leaks near the housing cover – Worn seals around the GK10 allow hydraulic oil to escape, often pooling beneath the transmission bell housing.
• Grinding noises during gear selection – Metal-on-metal contact occurs when the shift mechanism fails to fully disengage, producing audible scraping sounds.
• Intermittent loss of drive in specific gears – The part may partially disengage under torque, causing the transmission to slip out of gear unexpectedly.

Technical Specifications

Compatibility

This genuine ZF part is engineered for use in the following transmission models commonly found in construction machinery:

• ZF WG180 series (WG180, WG180C, WG180D)
• ZF WG200 series (WG200, WG200C)
• ZF WG210 series (WG210, WG210C)
• ZF Ecomat 4HP/5HP series (selected variants)
• ZF Ergopower 6-speed models (with 4699102083 INPUT and 4699103068 OUTPUT assemblies)

Always verify compatibility with your specific transmission serial number before installation. The 0637885612 BREATHER should be inspected simultaneously to prevent pressure buildup that could damage the GK10 mechanism.

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