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Body Builders Layout Book
23
F/CMVSS 105 HYDRAULIC BRAKE SYSTEMS AND
126 ELECTRONIC STABILITY CONTROL SYSTEMS
COMPLIANCE
GUIDELINES
FOR
F-SERIES
ALTERED VEHICLES WITH A GVWR OVER 3629 KG
[8000 LB] INCLUDING PICKUP BOX REMOVAL –
REFER TO THE INCOMPLETE VEHICLE MANUAL
(IVM) FOR ADDITIONAL INFORMATION (Cont'd)
P
= Passenger load.
CGv
= Vertical distance from the ground to the
center of gravity of the completed vehicle
[inches].
CGh
= Horizontal distance from CL of the front wheels
to completed vehicle center of gravity
[inches].
CGvb = Vertical distance from the ground to the
center of gravity of the SUB and/or
permanently attached equipment [inches].
2014
SAFETY / EMISSIONS
U.S. AND CANADA SAFETY STANDARDS (Cont'd)
SAFETY / EMISSIONS
MODEL YEAR
CGvc = Vertical distance from the ground to the
center of gravity of the chassis (including cab
if original equipment) [inches].
Wc
CGhp = Horizontal distance from the CL of the front
wheels to the P (passenger load) [inches].
WB
= Vehicle wheelbase [inches].
Wt
= Total unladen weight = (Wb + Wc + P)
[pounds]
CGvp = Vertical distance from the ground to the
center of gravity of the front and rear seat P
(passenger load) [inches].
Wb
= Weight of the SUB and/or permanently
attached added equipment [pounds].
Wrb
= Weight on the rear wheels of the SUB and/or
permanently attached added equipment
[pounds].
Wrc
= Weight at the rear wheels of the vehicle
(chassis and cab) (fuel tanks full), including
option weight [pounds].
= Weight of the vehicle (chassis and cab) (fuel
tanks full), including option weight [pounds].
GVWR = Gross Vehicle Weight Rating of the vehicle
[pounds].
Wl
= Remaining cargo capacity [pounds].
Where: Wl = GVWR – (Wb + Wc + P)
Wrl
= Weight of the remaining cargo capacity on
the rear wheels [pounds].
CGhc = Horizontal distance from the CL of the front
wheels to the center of gravity of the chassis
[inches].
CGhl = Horizontal distance from the CL of the front
wheels to the cargo center of gravity [inches].
For many common vehicles, if the CGhl is not
given in the table, then it may be estimated
as the distance from the CL of the front wheel
to the horizontal midpoint of the cargo area.
SUB
Wrl = (CGhl) Wl
WB
= A Second Unit Body consists of the body
structure and/or all the cargo carrying, work
performing and/or load bearing components
and/or equipment installed by a subsequent
stage manufacturer on an incomplete vehicle,
such that the incomplete vehicle becomes a
completed vehicle.
WB
CGhl
CG OF CHASSIS
CGh
CG OF COMPLETED VEHICLE
CG OF SUB
CGhc
SUB
CGhp
P
CG vb
CG vp
CG v
CG vc
Wc
Wt
GVWR
Wrl
Wrb
Wb
Wrc
Wl
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