|
Peterbilt |
COE thru 1972 |
1 1/8” x 36 Hub |
PB1 |
|
|
Conventional thru 1974 |
1 1/8” x 36 Hub |
PB1 |
|
|
COE 1973-April 1998 |
1” x 36 Hub |
PB2 |
|
|
Conventional w/ fixed column 1975-1998 |
1” x 36 Hub |
PB2 |
|
|
All models w/ adjustable columns 1986-May1993 |
1” x 36 Hub |
PB3 |
|
|
All models w/ adjustable columns 1993-April 1998 |
1” x 36 Hub |
PB4 |
|
|
April 1998 - on |
13/16” x 40 Hub |
PB6 |
| Peterbilt 567, 579, 587 2012--later | 24.6mm X 36 serration | PB7 |