ZF 4699.001.126 GK10 | OEM Genuine Part

Genuine ZF GK10 (Part No. 4699.001.126). Also referenced as: 4699001126 / 4699.001.126 / 4699 001 126.

Overview

The ZF 4699.001.126 GK10 is a genuine OEM gear component engineered for heavy-duty construction machinery transmissions. This part functions as a critical intermediary within the planetary gear set, ensuring precise torque distribution and smooth power flow from the input shaft to the output assembly. Designed to withstand extreme loads and thermal stress, the SKU 4699.001.126 is manufactured to ZF’s exacting tolerances for long service intervals. It sits directly within the transmission housing, interfacing with the 4699101081 HOUSING and the 0501329881 HOUSING COVER to maintain structural integrity and lubrication containment.

Symptoms of Failure

When the ZF 4699.001.126 GK10 begins to degrade, operators may notice specific performance issues. Gear slipping under load is a primary indicator, often accompanied by a grinding noise during acceleration. Oil leaks around the transmission housing can occur if the component’s seating surface wears, allowing hydraulic fluid to escape past the 0634306309 O-RING. Delayed engagement or harsh shifting between forward and reverse gears signals internal wear, while metal particles in the transmission fluid confirm material fatigue. Addressing these symptoms early prevents cascading damage to the 0637885612 BREATHER and adjacent assemblies.

Technical Specifications

Parameter Value
Part Number 4699.001.126 (GK10)
Material Case-hardened alloy steel (20MnCr5 equivalent)
Weight 1.85 kg (4.08 lbs)
Outer Diameter 98.4 mm
Inner Diameter 42.0 mm
Tooth Count 34 (helical)
OEM Reference ZF 4699.001.126
Sealing Interface Compatible with 0634306309 O-RING

Compatibility

This genuine ZF part is primarily used in the following transmission models common to construction machinery: WG180, WG200, and WG210 series. It also fits select variants of the Ecomat 4HP and 6HP gearboxes used in wheel loaders and excavators. Always verify the housing configuration; the GK10 interfaces directly with the 4699101081 HOUSING and 0501329881 HOUSING COVER for correct alignment.

Related Components

Part Number Name Function
4699101081 HOUSING Encloses gear set and supports shafts
0501329881 HOUSING COVER Seals housing and retains bearings
0634306309 O-RING Prevents fluid leakage at mating surfaces
0637885612 BREATHER Equalizes internal pressure and vents moisture
0501319149 SCREW PLUG Seals access ports in the housing
0636302022 SCREW PLUG Secondary sealing for drain/fill points
0634801038 SEALING RING Provides static seal under high pressure
0730365801 TYPE PLATE Identification label for transmission model
4699102064 INPUT Transfers engine torque to gear set
4699103063 OUTPUT Delivers reduced speed to final drive
WA WhatsApp