ZF 0730.162.727 SPACER RING for WG200 | OEM Genuine Part

Overview

The ZF 0730.162.727 SPACER RING is a precision-engineered component designed for the WG 200 Series transmission. This OEM genuine part serves as a critical axial spacer within the planetary gearset assembly, ensuring correct end-play tolerances and load distribution between rotating elements. The SKU 0730.162.727 is machined from high-strength steel to withstand the extreme axial forces and thermal cycling inherent in heavy-duty ZF transmissions. Proper installation of this spacer ring prevents metal-on-metal contact between adjacent gears and bearings, directly supporting the structural integrity of the WG200 gear train.

Symptoms of Failure

• Transmission gear slipping under load: When the spacer ring wears beyond specification, axial clearance increases, causing planetary gears to lose proper mesh engagement during torque transfer.
• Metallic grinding noise from the gearbox: A worn 0730.162.727 allows components to shift out of alignment, producing a distinct high-pitched grinding sound during acceleration or deceleration.
• Premature bearing failure: Incorrect spacer height places excessive thrust loads on adjacent bearings, leading to rough rotation and eventual seizure of the output shaft.
• Oil contamination with metallic debris: Abrasion of the spacer ring generates fine steel particles that circulate through the hydraulic system, clogging filters and valve bodies.

Technical Specifications

Compatibility

This spacer ring is specifically engineered for the ZF WG 200 Series transmission family, including the WG180, WG200, and WG210 models. It is a direct replacement for the original factory-installed spacer in the planetary carrier assembly. The part also fits select ZF off-highway transmissions (models 4WG-200 and 5WG-200) used in construction equipment and agricultural machinery. Always verify the transmission serial number against ZF’s technical documentation before installation.

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