Description

When your MF 399’s hydraulics start slowing down or struggling to lift heavy loads, this tandem pump brings back the muscle your tractor was built for. If you’ve noticed your loader getting sluggish or the three-point hitch taking forever to respond, a worn hydraulic pump is usually the culprit. This replacement gets your 399 back to moving implements with authority, no more waiting around for hydraulic functions to catch up.

What You’re Getting

Dual pump design with 15.06 GPM inner section and 9.51 GPM outer section for independent hydraulic circuits
Anti-clockwise rotation and M18 x 1.5 inlet/outlet fittings match your original pump exactly
Built to handle 3000 RPM operation so it keeps up with your engine at full throttle
Heavy-duty construction designed for the contamination and pressure spikes that come with farm work

Built for Real Farm Work

Your 399 is a workhorse from Massey Ferguson’s respected 300 series, built for serious agricultural tasks from heavy cultivation to loader work. This tandem pump design gives you the hydraulic flow to run multiple functions smoothly – operate your loader while still having responsive three-point control, or run auxiliary hydraulics without sacrificing primary system performance.

Made to Last

This isn’t some generic pump that’s been adapted to fit. It’s engineered specifically for the 399’s hydraulic system with precision-machined components that resist wear from dirt and debris. The tandem design means if one section needs more flow, the other keeps working, giving you backup power when you need it most.

Installation Notes

Before installing, verify your pump rotation – this anti-clockwise model won’t work in clockwise applications. Drain and flush your hydraulic system completely to remove any contamination from the old pump. Prime both sections with clean hydraulic fluid before startup, and don’t forget to change your hydraulic filter while you’re at it.