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3
DIMENSIONS
Peterbilt Motors Company 3- 37
OVERALL CAB HEIGHT CALCULATIONS
The overall cab height tables are provided as a tool as a tool to help layout bodies prior to arrival, no roof mounted
equipment is included.
The overall cab height (CH) can be estimated based on the following formula: CH = (A + B + C + D) / 2 + Y
TABLE 3-13. Overall Cab Height
Y = DISTANCE FROM BTM OF FRAME
TO TOP OF STANDARD CAB ROOF
Model
Y
389-131, 389-123 Low
Profile Hood
79.4
389-123, 386, 384, 367,
365
81.5
365 Full Profile Frame
Extensions
85.5
587 Day Cab
85.2
579/567
83.7
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).
3) Roof mounted content such as horns and antennas are not included.
4) For extended day cab configurations, add 5.8” to overall cab height.
FIGURE 3-34. Overall Cab Height Calculations