Technical Information


Technical Service Manuals

Technical Service Manuals contain information required to overhaul a steering gear, set plungers, disassemble, and install pitman arms and more. The gears and pumps suit many makes and models of heavy vehicles including Kenworth, Iveco, International, Mack, Western Star, Hino, Isuzu, Mitsubishi, Navistar, Volvo, Scania, Mercedes to name a few. For further information contact Hydrosteer.

M Series


Complete manual for a R.H. Sheppard M Series steering gear.

D Series


Complete manual for R.H. Sheppard D Series steering gear



TAS Steering Gear Service Manual

TRW THP Service Manual


Complete service manual for TRW THP 45 and THP 60 steering gears.

Vickers V20 Pump Configuration Manual


Vickers / Eaton V20 single vane type pump configuration manual

92 Series R.H. Sheppard Complete Manual


Complete manual for R.H. Sheppard 392, 492, 592 series steering gears.

Technical Service Bulletin

Hydrosteer’s Technical service bulletins are designed to highlight key issues and problems with products. The give users and understanding of any issues and the available solution. For further information contact Hydrosteer.

LuK LF-93 Presure Port Screw


Excessive torque applied to the pressure port screw can distort the flow control valve bore causing a flow control valve malfunction.

Sector Cover Clips - M110


The cover replaces the plastic disc that is glued to the main housing as an end of cover the sector shaft.

Drag Link Installation Instructions & Torques


Draglink Service Information