ZF 0730.306.456 WASHER | OEM Genuine Part

Overview

The ZF 0730.306.456 WASHER is a precision-engineered OEM genuine component designed for heavy-duty construction machinery transmissions. This hardened steel washer functions as a critical axial spacer and load distribution element within the clutch pack or planetary gear assembly, ensuring correct end-play tolerances and preventing metal-on-metal contact between rotating and stationary components. The SKU 0730.306.456 is manufactured to ZF’s exacting specifications for dimensional stability under high torque and thermal stress. When installed alongside the 4699101159 HOUSING or the 4699301254 HOUSING, this washer maintains proper alignment of the shaft and bearing surfaces, directly influencing transmission longevity.

Symptoms of Failure

• Transmission oil leaks at housing seam: A worn or collapsed washer allows axial play, distorting the 4699309123 HOUSING COVER seal surface, leading to external fluid seepage.
• Gear slipping under load: Insufficient washer thickness reduces clutch pack clamping force, causing intermittent power loss during excavation or grading operations.
• Metallic grinding noise from transmission: A fractured washer permits direct gear-to-housing contact, producing a distinct high-pitched whine or grinding sound during shifts.
• Increased vibration in neutral: Worn washers create uneven preload on the planetary carrier, transmitting vibration through the driveline at idle.

Technical Specifications

Compatibility

This washer is a standard component in ZF’s WG series powershift transmissions used in wheel loaders, dozers, and telehandlers. It is commonly found in the WG180, WG200, and WG211 models, where it sits between the sun gear and the 4699298049 HOUSING KIT. It also appears in the WG150 and WG250 series for clutch pack shimming. Always verify stack height when replacing this washer alongside related fasteners like the 0636104255 CAP SCREW or the 0631306174 CYLINDRICAL PIN.

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