Description
When you’re hauling trailers around the farm—whether it’s moving hay, grain, or equipment—having a reliable trailer jack is crucial. If your jack’s rack post has worn teeth or the wheel is starting to bind up, this replacement post gets you back to smooth cranking. With an 18-inch rack length and solid steel construction, it’s built to handle the lifting power you need.
What You’re Getting
- 18-inch rack length provides plenty of lifting range for most trailer applications
- Steel wheel turns smoothly and grips the rack teeth securely for reliable operation
- 21-inch post length gives you the reach needed for gearbox mounting configurations
- Built by Bulldog, a trusted name in trailer jack components
- Direct replacement for worn or damaged rack posts in gearbox-style trailer jacks
Built for Real Farm Work
This rack post is designed for gearbox-style trailer jacks that use a crank handle rather than a straight vertical lift. These jacks are popular on farm trailers, equipment haulers, and other heavy-duty applications where you need reliable lifting power. The gearbox design gives you mechanical advantage when raising heavy loads.
Made to Last
Farm trailers see everything from mud and manure to road salt and weather extremes. This rack post uses quality steel construction that stands up to the elements while maintaining smooth operation. The rack teeth are cut to mesh properly with the gear mechanism, and the steel wheel rolls smoothly on its bearing.
Good to Know
Installation typically involves removing the old rack post from the gearbox housing—usually just a matter of pulling out a retaining pin or clip. Make sure to clean any old grease or debris from the gearbox before installing the new post. A light coat of marine grease on the rack teeth helps keep things turning smoothly.






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