59208400 Front Fork — ZTHD Gravely OEM Replacement Part The 59208400 Front Fork is a genuine Gravely OEM replacement steering and suspension component designed for Gravely ZTHD (Zero-Turn Heavy-Duty) series mowers. This heavy-duty front fork assembly supports smooth steering response and rugged durability in commercial-grade mowing conditions. Built to OEM specifications, it ensures proper fit, long-lasting performance, and reliable handling for your Gravely ZTHD mower. Product Details Item Number: 59208400 Brand: Gravely / Ariens Co. OEM Part Type: Front Fork Assembly Application: Gravely ZTHD Series Zero-Turn Mowers Material: Heavy-Duty Steel (OEM-Grade) Condition: New Genuine OEM Replacement Part Intended Use: Provides steering support and front wheel alignment Function This front fork assembly is designed to: Support the front wheel and steering mechanism Provide durable, stable handling under heavy loads Ensure smooth steering response during mowing Replace worn, bent, or damaged front fork components Maintain proper front suspension geometry Compatibility Fits Gravely ZTHD series zero-turn mowers, including but not limited to: Gravely ZTHD 44 Gravely ZTHD 48 Gravely ZTHD 52 Gravely ZTHD 60 ⚠️ Always verify your mower’s model and serial number before ordering to ensure correct fitment. Installation / Usage Park the mower on a flat, secure surface and disengage all moving parts Lift front end safely and support with jack stands Remove front wheel and associated hardware Detach the old front fork assembly Install the new 59208400 front fork, aligning mounting points Reinstall wheel, bearings, and hardware per OEM torque specs Check steering movement and alignment before use Suggested Maintenance Periodically inspect for bent or cracked components Check bearings and bushings for wear Keep hardware tightened to specs Clean debris after heavy use Replace worn parts promptly for safe operation Notes / Equivalent References Gravely 59208400 is a direct OEM replacement; aftermarket forks may vary in strength or fit.