SYSTEM
FRONT BRAKES
JB1
Disc 11.86 x 1.28
JB3
Disc 11.86 x 1.28
JB5
Disc 11.86 x 1.28
JB6
Disc 12.50 x 1.28
JB7
Disc 12.50 x 1.28
JB8
Disc 12.50 x 1.53
JF9
Disc 14.25 x 1.53
JD3
Disc 11.86 x 1.28
JD5
Disc 11.86 x 1.28
BRAKE SYSTEM APPLICATION
MODEL
TON RATING
C10703
1/2
C10903
*Optional Heavy Duty Brakes
SPECIFICATIONS
BRAKE SYSTEM DESCRIPTION
GASOLINE ENGINE VEHICLES
DIESEL ENGINE VEHICLES
WHEELBASE
DIESEL ENGINE VEHICLES
117.5
131.5
REAR BRAKES
Drum 11.00 x 2.00
Drum 11.00 x 2.00
Drum 11.15 x 2.75
Drum 11.15 x 2.75
Drum 13.00 x 2.50
Drum 13.00 x 3.50
Disc 13.75 x 1.53
Drum 11.00 x 2.00
Drum 11.15 x 2.75
MERCHANDISING
GVW RATING
5300-5600
5300-5600
6050-6200
5300-5600
5300-5600
6050-6200
BRAKES
BRAKE ASSIST
None (Manual Brakes)
Vacuum — Single Diaphragm
Vacuum — Dual Diaphragm
Vacuum — Dual Diaphragm
Vacuum — Dual Diaphragm
Hydraulic — Hydroboost
Hydraulic — Hydroboost
Hydraulic — Hydroboost
Hydraulic — Hydroboost
BRAKE
OPTION
SYSTEM
Base
JD3
J55*
JD5*
J55
JD5
Base
JD3
J55*
JD5*
J55
JD5
LIGHT T R U CK SER V IC E MANUAL
5-47