Chevrolet 1979 Light Duty Truck Owner's Manual page 106

WHEEL USAGE AND TIRE LOAD LI MITS AT VARIOUS INFLATION PRESSU RES*
Wheel Code
Regular
zw
zw
zw
zw
zw
Wheel load limits are shown below. Vehicle loading must be limited such that neither the wheel or tire load limits are exceeded.
•
VI
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0\
Size of
Code
Wheel
CF, BU
1 5 X 7 JJ
X
BT CK 1 5 8 JJ
X
CH
1 5 X
6 JJ
zw
X
1 6.5 6.00
CB
1 5 x 6 JJ
·
ZR
16 X 5 K
cc
X
15 6 JJ
ZD X
1 6 5 K
19.5 X 6.00
X
1 5 8 JJ
TIRES FOR LIGHT TRUCKS USED IN HIGHWAY SERVICE (Cont'd.)
WIDE BASE TUBELESS TIRES USED AS DUALS
Tire
Rally Size
- 8.00-16.5
- 8.00-16.5
- 8.75-16.5
- 8.75-16.5
- 8.75-16.5
WHEEL·CODE AND LIMITS
Wheel Limits
Max. Max.
Code
Load Press.
(Lbs.) (PSI)
ZK
1 670 40
1 91 0
40
1 670 55
xw
2680
85
1 670
55
1 800
zx
1 670 55
1 800
2540
80
2030 40
Load
30 35
Range
c
1 1 95 1 31 0
D 1 1 95 1310
c
1515
1380
D 1 380 1 515
1380 1 51 5
Wheel Limits
Size of Max. Max.
Wheel Load Press.
(Lbs.) (PSI)
1 6.5 X 6.00 2350 70
X
1 6.5 6.75 3170 85
1 6 x 6Y2 L 2780 85
X 2750
16.5 8.25 70
X
1 5 6 JJ 1 91 0 70
X
1 5 6 JJ 2040 70
X 2780 95
1 9.5 6.00
16 x 6 KS 2440 75
Tire Load Limits at Various Inflation Pressures
40 45 50
1520
1 41 5
1 41 5 1 520 1620 1710
1 750
1 630
1 630 1750 1 855 1 970
1 630 1750 1 855 1 970
• Maximum Pressure
• Wheel Code and "Radial" Stamps
• Wheel Size Stamps
(PSI)
75
85 70
1800
2070
2380
2175 2260
2070
Optional Location