The Ford 4R100 4-speed automatic transmission was produced in the US from 1997 to 2004 and was installed in the largest pickup trucks and SUVs with engines up to 1000 Nm. This transmission replaced the E4OD and was replaced by the even more powerful 5R110W.
Specifications
| Type | automatic transmission |
| Number of gears | 4 |
| Type of drive | rear / all wheel |
| Engine volume, l | up to 8.0 |
| Torque output, Nm | up to 1000 |
| Recommended oil | ATF Mercon V |
| Oil capacity, liter | 16.2 |
| Replacing the oil | every 80 000 km |
| Replacing the filter | every 80 000 km |
| Gearbox lifespan, km | ~300 000 km |
Gear ratios Ford 4R100
Using the example of a 2004 Ford Excursion with a 6.8 liter engine:
| Main | 3.73 |
| 1st | 2.71 |
| 2nd | 1.54 |
| 3rd | 1.00 |
| 4th | 0.71 |
| Reverse | 2.18 |
Using
The transmission was installed on:
- Ford Expedition 1 (UN93) in 1997 – 2002;
- Ford Excursion 1 (UW137) in 1999 – 2003;
- Ford E-Series 4 (VN127) in 1997 – 2004;
- Ford F-Series 10 (PN96) in 1998 – 2004;
- Ford Super Duty 1 (PHN131) in 1998 – 2002;
- Lincoln Blackwood 1 in 2001 – 2002;
- Lincoln Navigator 1 (UN173) in 1997 – 2002.
Disadvantages of the Ford 4R100 gearbox
- A transmission designed for such a huge torque simply must be reliable;
- The main problem with transmissions is contamination of solenoids and valves with wear products;
- During maintenance, the brake band, as well as gaskets and seals, are usually replaced.





