Fluid - Differential
| TYPE: | Standard | 90 HP | ||
| Limited-Slip | 90 HP* | |||
| CAPACITY, Refill: LIMITED-SLIP OR TRACTION-LOK IDENTIFICATION: Letter & number on plate on door lock pillar | Front: | All models | 4.0 Pint (US) (pt (US)) | |
| Rear: | Dana 60 | 5.0 Pint (US) (pt (US)) | ||
| Dana 61 | 6.0 Pint (US) (pt (US)) | |||
| 1982 70 HD | 7.4 Pint (US) (pt (US)) | |||
| 1981 Econoline | w/Dana 70 | 7.0 Pint (US) (pt (US)) | ||
| Others | 6.5 Pint (US) (pt (US)) |