ZF 4699.835.008 GP35 | OEM Genuine Part

Overview

The ZF 4699.835.008 GP35 is a critical OEM genuine gearset assembly designed for heavy-duty construction machinery transmissions. This part, identified by SKU 4699.835.008, functions as the primary power transfer unit within the planetary gear train, converting input torque from the engine into controlled rotational force for the output shaft. Positioned directly between the input housing and the output assembly, the GP35 gearset ensures smooth engagement under extreme load conditions. For optimal performance, this component is often replaced alongside the 4699035004 GP35 to maintain matched wear patterns.

Symptoms of Failure

• Intermittent gear slipping under load: When the GP35 gearset wears, teeth lose their precise engagement, causing sudden loss of power during excavation or lifting operations.
• Metallic grinding noise from transmission: Worn bearings or chipped gear teeth produce a distinct high-pitched whine or grinding sound, especially during gear changes.
• Oil contamination with metal particles: Degradation of the GP35 generates fine metallic debris in the transmission fluid, visible during routine oil changes as a glittering sheen.
• Delayed or harsh shifting: Excessive backlash in the gearset causes hesitation when engaging forward or reverse gears, often accompanied by a jarring clunk.

Technical Specifications

Compatibility

This GP35 gearset is engineered for ZF WG180, WG200, and WG250 series transmissions commonly found in wheel loaders, excavators, and telehandlers. It directly interfaces with the 4699101160 HOUSING and the 4699102188 INPUT shaft assembly. For complete driveline restoration, pair this gearset with the 4699103126 OUTPUT component to ensure concentric alignment and minimal end-play.

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