T-18 Transmission Gear Ratios
Version |
1 |
2 |
3 |
4 |
R |
Common Ford/Jeep |
6.32 : 1 |
3.09 : 1 |
1.69 : 1 |
1.00 : 1 |
7.44 : 1 |
T18B (rare) |
4.32 : 1 |
2.26 : 1 |
1.51 : 1 |
1.00 : 1 |
7.44 : 1 |
Jeep/IH |
4.02 : 1 |
2.41 : 1 |
1.41 : 1 |
1.00 : 1 |
4.73 : 1 |
BorgWarner T-18 Transmission Specs
Transmission: |
BorgWarner T-18 |
|
Type: |
4 speed top loaded manual transmission |
|
Ford Trans Code: |
F |
|
Predecessor: |
BorgWarner T98 |
|
Applications: |
1965 - 1985 Ford trucks |
|
Case Material: |
Cast iron case & top cover |
|
Case Length: |
~ 11-7/8" |
|
Input Spline: |
10 spline, 1-1/16" diameter (common Ford applications) |
|
Output Spline: |
31 spline (most common, 4WD applications) |
|
Synchronized: |
Synchronized 2nd, 3rd, & 4th gears. 1st & reverse gears not synchronized |
|
Weight: |
~ 145 lbs |
|
Fluid Type/Spec: |
50W motor oil, 80W-90 gear oil, non-hypoid, low sulfur |
|
Identification: |
Top loaded transmission, 6 bolt top cover, passenger side PTO port |
|
Ford T-18 |
Jeep T-18 |
|