ZF 4699.170.149 MOTOR | OEM Genuine Part

Overview

The ZF 4699.170.149 MOTOR is a critical hydraulic drive component engineered for integration within ZF’s heavy-duty powershift transmission assemblies, specifically those deployed in construction machinery. This OEM genuine part functions as the primary actuation unit, converting hydraulic pressure into mechanical rotation to engage clutch packs and control gear selection. Positioned within the valve body housing, the motor ensures precise modulation of oil flow for smooth shifting under extreme load conditions. The SKU 4699.170.149 is manufactured to exact ZF tolerances, guaranteeing direct interchangeability without modification. When paired with the 4699101071: HOUSING, this motor forms a sealed hydraulic circuit that prevents contamination and maintains consistent pressure across the transmission’s operating range.

Symptoms of Failure

When the ZF 4699.170.149 MOTOR begins to degrade, operators often notice delayed gear engagement or a “slipping” sensation during acceleration under load—a common long-tail search query for construction equipment. A second failure indicator is erratic or harsh shifting between forward and reverse gears, caused by inconsistent hydraulic pressure delivery. Third, visible oil seepage around the motor housing suggests worn internal seals, which can lead to low system pressure and eventual transmission overheating. Finally, unusual whining or grinding noises from the transmission sump often point to bearing wear within the motor assembly, requiring immediate inspection to avoid cascading damage to the 4699102106: INPUT shaft.

Technical Specifications

Compatibility

This 4699.170.149 MOTOR is designed for use in ZF’s WG series powershift transmissions commonly found in wheel loaders, graders, and telehandlers. Compatible models include the WG180, WG200, and WG210 series, where it interfaces directly with the clutch valve block. It also fits select 4WG-200 and 6WG-200 variants used in heavy construction machinery. For proper installation, ensure the mating 4699103104: OUTPUT flange is free of debris and the 4699025067: GP25 gear pump is functioning within specification to avoid cavitation damage to the motor.

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