Mack Transfer Case
Mack TC15 and TC25 series transfer cases, new and rebuilt, the parts and overhaul kits to service them, and the gear ratios for every model.
Mack transfer cases are built to stand up to hard work, and the TC15 and TC25 families cover most of the Mack all wheel drive trucks we see. We supply them new and rebuilt, in single speed and two speed, and we stock the replacement parts and overhaul kits for them.
Mack TC15 and TC25 gear ratios
High range, low range and front drive ratio for each model.
| TC15 | High 0.999, low 2.593, front drive 0.965 |
|---|---|
| TC150 | High 0.768, low 1.992, front drive 0.965 |
| TC151 | High 0.999, low 2.593, front drive 0.838 |
| TC1510 | High 0.768, low 1.992, front drive 0.838 |
| TC152 | High 0.999, low 2.593, front drive 1.000 |
| TC1520 | High 0.768, low 1.992, front drive 1.000 |
| TC25 | High 1.360, low 2.593, front drive 0.965 |
| TC250 | High 1.045, low 1.992, front drive 0.965 |
| TC251 | High 1.360, low 2.593, front drive 0.838 |
| TC2510 | High 1.045, low 1.992, front drive 0.838 |
| TC252 | High 1.360, low 2.593, front drive 1.000 |
| TC2520 | High 1.045, low 1.992, front drive 1.000 |
Not sure which one you have? The model code is stamped on the rear end plate. The rebuilt Mack transfer case page shows where to find it and how to read it.
Mack transfer case parts
Gears, shafts, bearings, seals, gaskets and overhaul kits for the TC15 and TC25 families. The Mack TC15 and TC25 series service manual (PDF) has the exploded views and part numbers. Call (877) 776-4600 or 407-872-1901 with the model and the part number, or browse transfer cases on our online store.
Have the tag in front of you?
Give us the make and model from the transfer case tag, and the serial number if you can read it. We will match the unit or the part, price it and tell you when it can ship.