Towing & Recovery Carrier Product Manual - Page 10
Tandem Critical Chassis Measurements
CT
BBC
CF
AF
Frame
Height
Cab
Height
Max Tire Height
WB
BFA
OAL
GVWR
Abbreviation
Measurement
Definition
AF
After Frame
Distance from center line of rear axle to end of frame
BBC
Bumper to Back of Cab
Distance from front bumper to back of cab
BFA
Bumper to Front Axle
Distance from Front of bumper to center line of front axle
CT
Cab to Tandem
Distance from back of cab to center line of tandem axle
CF
Cab to Frame
Distance from back of cab to end of frame
OAL
Overall Length
Total length of the vehicle
WB
Wheel Base
The distance between the center lines of the front and rear axles.
For vehicles with tandem rear axles, the center line is midway
between the two rear axles.
Max Tire Height Max Tire Height
Maximum Tire Height Above Frame Rails
(Air Suspension Dumped or Springs
Laden)
