A SERVICE OF

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3
DIMENSIONS
Peterbilt Motors Company 3- 36
GROUND CLEARANCE CALCULATIONS
The ground clearance tables are provided as a tool as a tool to help layout bodies prior to arrival, not all optional
equipment is included.
The ground clearance (GC) can be estimated based on the following formula: GC = (A + B + C + D) / 2 - Y
TABLE 3-12. Ground Clearance
Y = DISTANCE FROM BOTTOM OF
FRAME TO BOTTOM OF COMPONENT
Component
Y
RHUC DPF/SCR
16.7
Horizontal (Series or X-Over)
DPF/SCR
16.5
Battery/Tool Box
15.4
Space Saver Battery Box
(w/o Air Tanks or Step)
3.9
Space Saver Battery Box
(w/ Air Tanks or Step)
12.7
Frame Mounted Ladder Step
13.9
20" Diameter Fuel Tank
12.4
23" Diameter Fuel Tank
15.2
26" Diameter Fuel Tank
18.0
DEF Tank
15.4
NOTES:
1) For “A” and “C” values, reference the FRAME HEIGHTS section for front suspension height or rear suspension
height.
2) For “B” and “D” values, reference the tire manufacturer’s website or catalog for overall diameter or static loaded
radius (SLR).
FIGURE 3-33. Ground Clearance Calculations