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r
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tf-8 GENERAL IN F O R M A T IO N A N D LU BR IC A TIO N
W H E E L
1973 M O D E L S
B A S E
+Z58 or +Z59
106.5
K10703
Cab Chassis
117.5
(Not Merchandised)
K10703 + E62 or E63
117.5
Pickups
K 10903
Cab Chassis
131.5
(Not Merchandised)
K 10903 + E62 or E63
131.5
Pickups
K 10906, and
K10906 + E55
129.5
K20903
131.5
Cab Chassis
K20903 + E62 or E63
131.5
Pickups
K20906, and
K 2 0 9 0 6 + E55
129.5
Suburbans
'R e fe r to the Gross Vehicle Weight Rating plate on the vehicle. Gross A xle Weight Rating-Front, and Gross A xle Weight Rating Rear on this chart are based upon component
m inim um capacity o f axles, springs, or tires.
b = base equipment
RESTRICTIONS
K10514 and K10514 + Z58 or Z59
RPO AS3 rear seat not available on 4900 GVWR vehicles.
K 10906 and K10906 + E55
RPO A T5 or AS3 not available on 5600 GVWR models
RPO AS3 not available on 6000 GVWR models
L78-15 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 inform ation, see tire and wheel restrictions in "O wner's and Driver's Manual".
LOAD CAPACITY CHART
G R O S S
V E H I C L E
F R O N T
W E I G H T
T I R E
R A T I N G
F R O N T
P R E S
( P O U N D S ) #
T I R E S
S U R E
4900
E78-15B
b
32
E78-15B
5350
G 78 1 5B
b
32
G 78 1 5B
5800
H78-15B
32
H 7815B
6200
H78-15B
32
H78-15B
5200
G78-15B
b
. 32
G78-15B
5600
H78-15B
32
H78-15B
6000
L 7815B
32
L78-15B
5200
G78 15B
b
32
G78-15B
5600
H78-15B
32
H78-15B
6000
L78-15B
32
L78-15B
5200
G78-15B
b
32
G78-15B
5600
H78-15B
32
H78-15B
6000
L 7815B
32
L78-15B
5200
G 7815B
b
32
G78-15B
5600
H78 15B
32
H78-15B
6000
L78-15B
32
L78-15B
5600
G 7815B
b
32
G78-15B
6000
H78 15B
32
H78-15B
6600
L78-15B
32
L78-15B
7150
L78-15D
32
L78-15D
8.75 16.5C
b
40
8.75-16.5C
6800
or 7.50-16C
40
or 7.50-16C
8.75-16.5C
40
8.75-16.5D
7500
or 7.50-16C
40
or 7.50-16D
9.50-16.5D
30
9.50-16.5D
8200
or 7.50 16C
40
or 7.50-16E
8.75-16.5C
b
40
8,75-16.5C
6800
or 7.50-16C
40
or 7.50-16C
8.75-16.5C
40
8.75-16.5D
7500
or 7.50-16C
40
or 7.50 16D
9.50-16.5D
30
9.50-16.5D
8200
or 7.50 16C
40
or 7.50-16E
8.75 16 5C
b
40
8.75-16.5C
6800
or 7.50 16C
40
or 7.50 16C
8.75-16.5C
40
8.75-16.5D
7500
or 7.50-16C
40
7.50-16D
9.50-16.5D
30
9.50-16.5D
8200
or 7.50-16C
40
7.50-16E
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 V W R A T I N G
R E A R
T I R E
P R E S
F R O N T
F R O N T
R E A R
T I R E S
S U R E
A X L E
S P R I N G S
b
32
3400 b
3300 b
b
32
3400 b
3300 b
32
3400 b
3300 b
32
3400 b
3300 b
b
32
3400 b
3700 b
32
3400 b
3700 b
32
3400 b
3700 b
b
32
3400 b
3700 b
32
3400 b
3700 b
32
3400 b
3700 b
b
32
3400 b
3700 b
32
3400 b
3700 b
32
3400 b
3700 b
b
32
3400 b
3700 b
32
3400 b
3700 b
32
3400 b
3700 b
b
32
3400 b
3700 b
32
3400 b
3700 b
32
3400 b
3700 b
36
3400 b
3700 b
b
45
3500 b
3700 b
45
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
75
3500 b
3700 b
b
45
3500 b
3700 b
45
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
75
3500 b
3700 b
b
45
3500 b
3700 b
45
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
60
3500 b
3700 b
75
3500 b
3700 b
G R O S S
G R O S S
A X L E
A X L E
W E I G H T
W E I G H T
R A T I N G
R E A R
R E A R
R A T I N G
F R O N T *
A X L E
S P R I N G S
R E A R *
2546
3750 b
3400 b
2546
2946
3750 b
3400 b
2946
3218
3750 b
3400 b
3218
3218
3750 b
3400 b
3218
2946
3750 b
3400 b
2946
3218
3750 b
3400 b
3218
3400
3750 b
4000 G50
3582
2946
3750 b
3400 b
2946
3218
3750 b
3400 b
3218
3400
3750 b
4000 G50
3582
2946
3750 b
3400 b
2946
3218
3750 b
3400 b
3218
3400
3750 b
4000 G50
3582
2946
3750 b
3400 b
2946
3218
3750 b
3400 b
3218
3400
3750 b
4000 G50
3582
2946
3750 b
4500 b
2946
3218
3750 b
4500 b
3218
3400
3750 b
4500 b
3582
3400
3750 b
4500 b
3750
3500
5700 b
5600 b
3980
3500
5700 b
5600 b
4120
3500
5700 b
5600 b
4700
3500
5700 b
5600 b
4880
3500
5700 b
5600 b
5560
3500
5700 b
5600 b
5560
3500
5700 b
5600 b
3980
3500
5700 b
5600 b
4120
3500
5700 b
5600 b
4700
3500
5700 b
5600 b
4880
3500
5700 b
5600 b
5560
3500
5700 b
5600 b
5560
3500
5700 b
5600 b
3980
3500
5700 b
5600 b
4120
3500
5700 b
5600 b
4700
3500
5700 b
5600 b
4880
3500
5700 b
5600 b
5560
3500
5700 b
5600 b
5560
LIGHT DUTY TRUCK SERVICE MANUAL
R E Q U I R E D
O P T I O N S
F58
AS3, F58
F58
F58
F58
F58
F58
F58
F58
A T 5, F58
F58, A T5
F58
F58
F58
F58
F58
F58
F58
F58
F58
F58
F58
F58
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