ZF 4699.171.018 WHEEL | OEM Genuine Part

Overview

The ZF 4699.171.018 WHEEL is a genuine OEM component engineered for the planetary gearset assembly within heavy-duty construction machinery transmissions. This precision-machined wheel acts as a critical load-bearing interface, transferring rotational torque from the sun gear to the planetary carriers while maintaining axial alignment under extreme stress. As part of the ZF WG series drivetrain, the SKU 4699.171.018 ensures exact fitment and metallurgical integrity to prevent premature gear train wear. It is typically housed within the main transmission casing, working in concert with the 4699101044 HOUSING to maintain proper gear mesh geometry.

Symptoms of Failure

• Intermittent gear slipping under load: When the 4699.171.018 wheel surface wears, it fails to maintain consistent contact with planetary pins, causing momentary torque loss during excavation or grading operations.
• Metallic grinding noise from transmission sump: Worn wheel teeth or bearing surfaces produce a distinct high-pitched whine or grinding sound, particularly noticeable during gear shifts in ZF WG180 models.
• Contaminated transmission fluid with ferrous particles: Accelerated wear of this wheel generates fine metal shavings that bypass the filter, often detected during routine oil analysis as elevated iron content.
• Hard shifting or delayed engagement: A deformed or cracked wheel alters planetary gear clearance, resulting in sluggish clutch pack engagement and harsh upshifts in construction loaders.

Technical Specifications

Compatibility

This genuine ZF wheel is designed for integration into the following transmission families used in construction machinery: WG180, WG200, and WG210 series. It is a direct replacement for planetary gear stages in ZF Ergopower and Ecolife transmissions found in wheel loaders, telehandlers, and graders. For complete assembly restoration, pair this wheel with the 4699301111 HOUSING and the 4699301054 HOUSING COVER to ensure sealed oil circulation. The 4699301055 COVER is also recommended for protecting the wheel cavity from debris ingress during operation.

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