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E-SERIES (May, 2004)14
E-SERIES (May, 2004) 15
STATEMENTS OF CONFORMITY
FMVSS 105 & 135 DEFINITIONS AND CALCULATION ILLUSTRATION FOR INCOMPLETE E-SERIES VEHICLES
L† = Horizontal distance in inches between the SUB
center of gravity and the of the front axle.
P = Passenger load (See E-Series Passenger Load
Table page 13).
CG
v
= Vertical distance from the ground to the center of
gravity [inches] of the completed vehicle.
CG
h
= Horizontal distance from of the front wheels to
completed vehicle center of gravity [inches].
CG
vb
= Vertical distance from the ground to the center of
gravity of the SUB and/or permanently attached
added equipment [inches].
CG
vc
= Vertical distance from the ground to the center
of gravity of the chassis [inches] (including
cab if original equipment). (Taken from Table
F, page 16).
CG
hp
= Horizontal distance from the of the front
wheels to the P [inches] (passenger load) (taken
from Table D, page 16).
W
b
= Weight of the SUB and/or permanently attached
added equipment [pounds].
W
rb
= Weight at the rear wheels of the SUB
and/or permanently attached added equipment
[pounds].
W
rc
= Weight at the rear wheels of the vehicle (chassis
and cab) (fuel tanks full) [pounds]. Including
option weight.
W
c
= Weight of the vehicle (chassis and cab) (fuel
tanks full) [pounds]. Including option weight.
WB = Vehicle wheelbase [inches].
W
t
= Total unladen weight = (W
b
+ W
c
+ P)
GVWR = Gross Vehicle Weight Rating of the vehicle
[pounds].
W
I
‡ = Remaining cargo capacity [pounds].
Where: W
l
= GVWR - (W
b
+ W
c
+ P)
W
rl
‡ = Weight of the remaining cargo capacity on the
rear wheels [pounds].
W
rI
=
(CG
h
I)W
I
WB
CG
hI
‡ = Horizontal distance from the
of the front wheels
to the cargo center of gravity [inches] (taken from
Table C page 16). For many common vehicles,
the CG
hI
is not given in the table, then it may
be estimated as the distance from the of the
front wheel to the horizontal midpoint of the cargo
area.
SUB = 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.
† Required for <8000 lb. GVWR calculations only. ‡ Required for ≥8000 lb. GVWR calculations only.
W
c
W
rl
W
rb
W
b
W
rc
W
l
P
CG OF SUB
CG OF COMPLETED VEHICLE
CG OF CHASSIS
CG
h
CG
hp
CG
vc
WB
CG
v
CG
vb
W
t
GVWR
CG
hl
L
SUB