ZF 0730.106.774 WASHER | OEM Genuine Part

Overview

The ZF 0730.106.774 WASHER is a precision-engineered OEM genuine component designed for heavy-duty construction machinery transmissions. This hardened steel washer functions as a critical load-spreading interface between fasteners and transmission housing surfaces, preventing galling and maintaining proper clamping force under extreme vibration and torque loads. The SKU 0730.106.774 is typically installed during transmission rebuilds or when replacing adjacent components like the 4108101057 HOUSING or 4108201177 HOUSING. Its precise thickness ensures correct axial clearance for planetary gear sets and clutch packs.

Symptoms of Failure

• Transmission oil seepage at bolt interfaces: A worn or crushed 0730.106.774 washer reduces bolt preload, allowing fluid to escape past the 0636302056 SCREW PLUG or housing joints.
• Abnormal gear engagement noise: Loss of washer thickness alters bearing preload, causing rumbling or whining from the 4108301304 BEARING COVER area during shifts.
• Recurring fastener loosening: Deformed washers cannot maintain torque retention, leading to bolts backing out and potential internal damage.
• Metal debris in transmission fluid: Fretting wear from a failed washer introduces ferrous particles that accelerate component degradation.

Technical Specifications

Compatibility

This washer is engineered for ZF WG-series powershift transmissions commonly used in construction machinery. Compatible models include WG180, WG200, WG210, and WG240 series. It is also found in certain ZF 4WG-200 and 6WG-200 variants. The 0730.106.774 is frequently replaced alongside the 4108306173 GASKET and 0750110040 SHAFT SEAL during overhaul procedures. For control cover applications, verify fitment with 6053108155 CONTROL COVER or 6053308348 CONTROL COVER assemblies.

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