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 |