ZF 4699.372.055 STEERING LIMITER | OEM Genuine Part

Overview

The ZF 4699.372.055 STEERING LIMITER is a precision-engineered OEM genuine component designed to control the maximum articulation angle in heavy-duty construction machinery transmissions. This critical part sits within the steering control assembly, directly interfacing with the 4699101079: HOUSING to prevent over-steering and mechanical stress on the driveline. By physically restricting the steering cylinder stroke, it protects the transmission from damage during high-torque operations. The SKU 4699.372.055 is manufactured to ZF’s exacting tolerances, ensuring reliable performance in loaders, graders, and other off-highway equipment.

Symptoms of Failure

• Erratic steering response or “steering drift”: When the steering limiter wears, the machine may fail to hold a straight line, requiring constant correction—a common issue in older WG180 transmissions.
• Hydraulic oil leaks near the steering housing: A worn limiter can cause seal degradation, leading to visible fluid seepage around the 0501329881: HOUSING COVER.
• Clunking or binding at full turn: If the limiter’s internal stop surface is damaged, operators may hear metallic impacts or feel resistance when approaching maximum steering angle.
• Premature wear on steering cylinder seals: A failing limiter forces the cylinder to over-extend, accelerating wear on the 0634306309: O-RING and adjacent seals.

Technical Specifications

Compatibility

This steering limiter is primarily designed for ZF’s WG series powershift transmissions used in construction machinery. It is a direct fit for the WG180 and WG200 models, commonly found in wheel loaders and telehandlers. It also integrates with the WG150 and WG250 series when used with the correct 0637885612: BREATHER assembly. Always verify your transmission’s serial number before ordering, as minor variations exist between early and late production units.

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