Fluids

The following are the fluids that should be used in each type of steering gear:

Ross HF

ATF "E" or "F" ATF Dexron 2 Ford Spec. M2C138CJ
Mobile SAE 10W30 Mobile SAE 10W40 Ashland SAE 10W40
Shell Rotella T SAE 30 Union SAE 10W40 Texaco SAE 10W40

Ross HFB

ATF "E" or "F" ATF Dexron 2 Ford Spec. M2C138CJ
Mobile SAE 10W30 Mobile SAE 10W40 Ashland SAE 10W40
Shell Rotella T SAE 30 Union SAE 10W40 Texaco SAE 10W40
Mack EO-K2 Engine Oil Unical Gaurdol SAE 15W40 Unical Gaurdol SAE 30
Essolube SAE 15W40 Chevron SAE 10W40

Ross TAS

ATF "E" or "F" ATF Dexron 2 Ford Spec. M2C138CJ
Mobile SAE 10W30 Mobile SAE 10W40 Ashland SAE 10W40
Shell Rotella T SAE 30 Union SAE 10W40 Texaco SAE 10W40
Mack EO-K2 Engine Oil Unical Gaurdol SAE 15W40 Texaco TL-1833
Exxon Nuto H32 Chevron SAE 10W40

Sheppard 292, 392,492,592 Series

10W40 (API SD-SE) Preferred ATF "E" or "F"
GM Power Steering Fluid Hydraulic Fluid

Sheppard M Series

15W40 Motor Oil ATF Dextron 2
GM Power Steering Fluid Hydraulic Fluid