Chevrolet Light Duty Truck 1973 Service Manual page 15

G R O S S
V E H I C L E
W E I G H T
W H E E L R A T I N G
1973 M O D E L S BA SE ( P O U N D S ) *
4900
P10542
5200
Forward Control 102
5600
Chassis
6000
4900
P10542+ E32
5200
Forward Control 102
5600
w ith steel body
6000
6800
P20842
P21042 125
7500
Forward Control 133
chassis
8000
6800
P20842, P21042
Forward Control 125
7500
+ E32 (steel body), or 133
+ E33 (aluminum body)
8000
P30842, P31042, P31442 7600
125
Forward Control chassis
133
w ith single rear 8200
157
wheels
9000
9000
P30842, P31042, P31442
125
Forward Control
133 10000
chassis with
157
dual rear wheels 12000
14000
P30842, P31042, P31442
7600
Forward Control + E32 125
(steel body), or + E33 133
8200
(aluminum body), w ith 157
single rear wheels. 9000
P30842, P31042, P31442 9000
forward Control + E32 125
(steel body), or + E33 133 10000
(aluminum body) w ith
157
12000
dual rear wheels.
14000
* Refer to the Gross Vehicle Weight Rating plate on the vehicle. Gross Axle Weight Rating-Front, and Gross A xle Weight Rating-Rear on this chart are based upon component
m inim um capacity of axles, springs, or tires.
b. Base equipment.
RESTRICTIONS
L78-1 5 and 9.50-16.5 tires
Heavy d uty wheels are required w ith these tires, and are included when installed at the factory. For detailed in form ation,
see tire and wheel restrictions in "O wner's and Driver's Manual".
RPO H22 rear axle
When RPO LS9 (350 V8) is used instead of the 307 V8, RPO H23 is required, replacing H22.
LOAD CAPACITY CHART
M I N I M U M M A N D A T O R Y E Q U I P M E N T F O R G VW R A T I N G
F R O N T
R E A R
T I R E T I R E
F R O N T P R E S ­ R E A R
P R E S ­
T I R E S S U R E T I R E S S U R E
G 7815B b 32 G 78 1 5B b
G78-15B 32
G78-15B
H78-15B 32 H78-15B
L78-15B 26 L78-15B
G78-15B b 32 G78-15B b
G78-15B 32 G78-15B
H78-15B 32 H78-15B
L78-15B 26 L78 15B
8.75-16.5C b 40 8.75-16.5C b
or 7.50-16C 40 or 7.50-16C
8.75-16.5C 40 8.75-16.5D
or 7.50 16C 40 or 7.50-16D
9.50-16.5D 30 9.50-16.5D
or 7.50-16C 40 or 7.50-16E
8.75-16.5C b 40 8.75-16.5C b
or 7.50-16C 40 or 7.50-16C
8.75-16.5C 40 8.75-16.5D
or 7.50-16C 40 or 7.50-16D
9.50-16.5D 30 9.50-16.5D
or 7.50-16E
or 7.50-16C 40
8.75-16.5C b 45 8.75-16.5D b
or 7.50-16C 45 or 7.50-16D
9.50-16.5D 35 9.50-16.5D
or 7.50-16E
or 7.50-16C 45
9.50-16.5D 35
9.50-16.5E
8.00-16.5D 60 8.00 16.5D
or 7.50 16C 45 or 7.50 16C
8.00-16.5D 60 8 00 16.5D
or 7.50-16C 45 or 7.50-16C
7.00-18D 55 7.00-18D
8-19.5D 50 8-19.5E
8.75 16.5D b
8.75-16.5C b 45
or 7.50-16C 45 or 7.50-16D
9.50-16.5D 35 9.50-16.5D
or 7.50-16C 45 or 7.50-16E
9.50-16.5D 35 9.50 16.5E
8.00-16.5D 60 8.00 16.5D
or 7.50-16C 45 or 7.50-16C
8.00-16.50 60 8.00-16.5D
or 7.50-16C
or 7.50-16C 45
7.00-18D
7.00-18D 55
8-19.5D 50 8-19.5E
GENERAL IN F O R M A T IO N A N D LUBRICATION
G R OS S
A X L E
W E I G H T
F R O N T F R O N T R A T I N G
A X L E F R O N T *
S PR I N G S
32 3100 b 3100 b 2946
32 3100 b 3100 b 2946
32 3100 b 3100 b 3100
32 3100 b 3100 b 3100
3100 b 2946
32 3100 b
32 3100 b 3100 b 2946
32 3100 b 3100 b 3100
32 3100 b 3100 b 3100
45 3700 b 3600 b 3600
45 3700 b 3600 b 3600
60 3700 b 3600 b 3600
60 3600 b 3600
3700 b
60 3700 b 3600 b 3600
75 3700 b 3600 b 3600
45 3700 b 3600 b 3600
3600
45 3700 b 3600 b
60 3700 b 3600 b 3600
60 3700 b 3600 b 3600
3600
60 3700 b 3600 b
3600
75 3700 b 3600 b
60 4000 b 4400 b 3980
60 4000 b 4400 b 4000
60 4000 b 4400 b 4000
4000
75 4000 b 4400 b
65 4000 b 4400 b 4000
60 4000 b 4400 b 4000 7500 R05
45 4000 b 4400 b 4000
4000 7500 R05
60 4000 b 4400 b
4000
45 4000 b 4400 b
4000 11000 H22
65 4000 H22 4400 H22
80 4000 H22 4400 H22 4000 11000 H22
4400 b 3980
60 4000 b
60 4000 b 4400 b 4000
60 4000 b 4400 b 4000
4000
75 4000 b 4400 b
65 4000 b 4400 b 4000
4400 b 4000
60 4000 b
4000 b 4400 b 4000
45
60 4000 b 4400 b 4000
45 4000 b 4400 b 4000
4000 11000 H22
65 4000 H22 4400 H22
4000
80 4000 H22 4400 H22 11000 H22
LIGHT DUTY TRUCK SERVICE MANUAL
G R O S S
A X L E
W E I G H T
R E A R R E A R R A T I N G R E Q U I R E D
A X L E R E A R * O P T I O N S
S P R I N G S
2946
3500 b 3000 b
2946
3500 b 3000 b J70
4400 G50 3218 J70
3500 b
3500 b 4400 G50 3500 J70
3500 b 3000 b 2946
3500 b 3000 b 2946 J70
3500 b 4400 G50 3218 J70
3500 b 4400 G50 3500 J70
5700 b 4400 b 3980
4120
5700 b 4400 b
5700 b 5700 G50 4700
5700 b 5700 G50 4880
5700 b 5700 G50 5560
5700 b 5700 G50 5560
3980
5700 b 4400 b
5700 b 4400 b 4120
5700 b 5700 G50 4700
5700 G50 4880
5700 b
5700 b 5700 G50 5560
5700 b 5700 G50 5560
7500 b 6200 b 4700
4880
7500 b 6200 b
7500 b 6200 b 5560
7500 b 6200 b 5560
7500 b 6200 b 6200
6200
6200 b
6200
7500 R05 6200 b
8000 G60 7200
7500 R05 8000 G60 7260
11800 H22 9080
11800 H22 11000
4700
7500 b 6200 b
4880
7500 b 6200 b
5560
7500 b 6200 b
7500 b 6200 b 5560
7500 b 6200 b 6200
7500 R05 6200 b 6200
6200
7500 R05 6200 b
7200
7500 R05 8000 G60
8000 G60 7260
7500 R05
11800 H22 9080
11000
11800 H22
0 -9