Description
When your brakes start feeling spongy or you’re losing brake fluid, it’s usually a sign that the seals in your master cylinder are worn out. In demanding farm conditions, that’s a safety issue you can’t ignore. This comprehensive repair kit gets your brakes working like they should, with all the seals and components needed to rebuild your master cylinder and restore confident stopping power.
What You’re Getting
- Complete seal and gasket set specifically designed for LHM mineral oil systems—no guesswork about compatibility
- Premium rubber compounds that resist agricultural chemicals, temperature swings, and hydraulic fluid breakdown
- Precision-molded seals that stop leaks and restore proper hydraulic pressure throughout the system
- Corrosion-resistant metal components built to handle years of farm use without deteriorating
- All components needed for a complete master cylinder rebuild in one convenient kit
Built for Real Farm Work
Massey Ferguson 4200 and 4300 series tractors are reliable workhorses handling everything from cultivation and planting to loader work and material transport. These mid-range utility tractors see frequent speed changes, tight maneuvers, and heavy loads—situations where reliable brakes aren’t optional. Whether you’re working steep ground, controlling implements, or making that emergency stop to avoid an obstacle, this repair kit ensures your brakes respond when you need them most.
Made to Last
Unlike standard automotive brake parts, this kit uses materials specifically formulated for agricultural hydraulic systems that run at higher pressures with longer service intervals. The specialized compounds resist contamination from dust, crop residue, and farm chemicals while maintaining their sealing properties through temperature extremes and constant use.
Installation Notes
This kit is designed exclusively for 4200 and 4300 series tractors with LHM mineral oil brake systems. Installation requires complete disassembly and should be handled by someone familiar with hydraulic brake work. Critical reminder: these systems only use LHM mineral oil—never DOT 3, DOT 4, or any other brake fluid, as they’ll destroy the seals immediately. After rebuilding, flush the entire system with fresh LHM fluid and bleed thoroughly before putting the tractor back to work.
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