Description
When your power steering gets sloppy or starts fighting you, especially during loader work or tight maneuvers, the orbital unit is likely the culprit. Your tractor’s orbital steering unit is the heart of the power steering system, metering hydraulic flow for effortless control. Located between your steering wheel and hydraulic system, it takes constant use and pressure cycles. This 100 OSP (Open Center) orbital unit is the control valve that makes your steering respond instantly to your input while providing the muscle to turn those front wheels.
What You’re Getting
- 100cm³/rev displacement that delivers precise flow control for responsive steering feel
- M18 hydraulic connections that thread on securely without worrying about leaks or loose fittings
- Open center design that works with your existing hydraulic system – no major modifications needed
- Built-in relief valving that protects against pressure spikes when you hit the steering stops
- Low effort operation requiring just 0.8 to 3.0 Nm of steering torque for comfortable all-day use
Built for Real Farm Work
This orbital unit fits a wide range of tractors including Ford New Holland TD, T3F, TD5, and TDD series, Case IHC AVJ, VJ, Farmall A and JX series, Massey Ferguson 300 and 3000 series, and Fiat 46, 56, 66, 88, 90, 93, and 94 series models. Whether you’re running a loader around the farmyard, making tight turns with a cultivator, or maneuvering hay equipment in tight spaces, this unit provides the smooth, predictable steering response that keeps you productive and comfortable.
Made to Last
Built by Ognibene to OEM specifications, this orbital unit features precision-machined internal components that handle the constant cycling and pressure variations of farm work. The robust construction withstands the vibration, temperature swings, and contamination that come with agricultural use, while maintaining consistent performance even under back pressure up to 40 bar.
Good to Know
Installation requires hydraulic system knowledge since you’ll be working with pressurized lines – most folks have their shop handle this job. Always flush the system and replace filters when installing a new orbital unit to keep contamination from damaging the precision internal parts. The M18 connections make plumbing straightforward, and repair kits are available if you need to rebuild your existing unit down the road.
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