ZF 4644.152.221 CLUTCH for WG 180/WG 200 | OEM Genuine Part

Overview

The ZF 4644.152.221 CLUTCH is a critical friction component engineered for the WG 180 and WG 200 series powershift transmissions. This OEM genuine part, identified by SKU 4644.152.221, sits within the planetary gear set assembly, where it manages torque transfer between rotating shafts and the transmission housing. Designed to handle high thermal loads, this clutch pack ensures smooth engagement and disengagement during load cycles, directly influencing machine productivity. For structural integrity, this component interfaces with the 4644101216: TRANSMISSION HOUSING and the 4644301223: TRANSMISSION HOUSING, which provide the rigid mounting points necessary for precise clutch alignment.

Symptoms of Failure

When the 4644.152.221 clutch wears out, operators typically notice these specific failure modes:

• Erratic gear engagement or slipping under load – The clutch loses friction material, causing the transmission to hesitate or slip when shifting from forward to reverse.
• Dark, burnt transmission fluid odor – Overheated clutch plates generate a distinct burnt smell, often accompanied by fluid discoloration.
• Delayed or harsh shifting – Worn clutch packs fail to engage smoothly, resulting in jarring shifts that worsen as the transmission warms up.
• Metallic debris in the oil pan – Friction material shedding from the clutch can be found during routine oil changes, indicating imminent failure.

Technical Specifications

Compatibility

This clutch is specifically validated for the ZF WG 180 and WG 200 transmission families. It is a direct fit for the WG 200 Series and WG 201 Series models, commonly found in mobile cranes, excavators, and heavy-duty trucks. The part also integrates with the 0730365067: TYPE PLATE for correct identification and the 0631311009: GROOVED STUD for secure fastening within the clutch drum assembly. Always verify your transmission serial number against the OEM parts catalog before ordering.

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