ZF 0730.109.592 WASHER | OEM Genuine Part

Overview

The ZF 0730.109.592 WASHER is a precision-engineered OEM genuine thrust washer designed to maintain axial clearance and load distribution within the planetary gear sets of heavy-duty construction machinery transmissions. This component sits directly between the main shaft assembly and the gearshift mechanism, preventing metal-on-metal contact during high-torque operations. The SKU 0730.109.592 is manufactured to ZF’s exacting tolerances, ensuring consistent oil film retention and reducing friction under extreme loads. When paired with the 2094104412 MAIN SHAFT and the 2094304054 MAIN SHAFT, this washer forms a critical interface that stabilizes the entire rotating assembly.

Symptoms of Failure

• Transmission oil leaks near the shift housing: A worn 0730.109.592 washer allows axial play, breaking the seal between the shaft and housing, leading to visible fluid seepage.
• Gear slipping under load in construction equipment: When this thrust washer loses its surface hardness, the 2094106010 SHIFT SYSTEM cannot maintain proper gear engagement, causing intermittent slipping during excavation or grading.
• Metallic grinding noise during gear changes: Excessive clearance from a degraded washer permits the 2094206001 GEARSHIFT SHAFT to contact adjacent components, producing a distinct grinding sound.
• Increased vibration in the driveline: A collapsed washer disrupts the concentric alignment of the main shaft, transmitting vibration through the transmission case during operation.

Technical Specifications

Compatibility

This washer is engineered for ZF WG-series transmissions commonly found in construction machinery, including the WG180, WG200, and WG240 models. It also fits select variants of the ZF Ecomat 4HP and 5HP series used in wheel loaders and excavators. For optimal performance, always replace this washer alongside the 2094306019 WASHER and inspect the 0630513070 SNAP RING for wear. The 0730.109.592 is not backward-compatible with older ZF 3HP models without a main shaft upgrade.

Related Components

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