Chevrolet 10 Series 1970 Service Manual page 537

TIRES FOR TRUCKS, BUSSES A N D TRAILERS USED IN H IG H W A Y SERVICE (BIAS A N D RADIAL PLY)
T ir e Identification
Size Load Range
T IR E S M O U N TED ON 15° T A P E R E D B EAD SEAT DROP C E N TE R RIMS
7-22.5 C
7-22.5 D
8-19.5 C
8-19.5 D
8-19.5 E
8-22.5 D
8-22.5 E
9-22.5 E
F
9-22.5
10-22.5 E
10-22.5 F
11-22.5 F
11-22.5
G
11-24.5 F
11-24.5 G
12-22.5 F
12-22.5 G
12-24.5 F
12-24.5
G
T ir e Identification
Size
Load Range
T IR E S M O U N TED ON 15° T A P E R E D BEAD SE A T DROP C E N TE R RIMS
7-22.5 C
7-22.5 D
8-19.5 C
8-19.5 D
8-19.5 E
D
8-22.5
8-22.5 E
9-22.5 E
F
9-22.5
10-22.5 E
F
10-22.5
11-22.5 F
11-22.5
G
11-24.5 F
11-24.5
G
F
12-22.5
12-22.5 G
12-24.5 F
12-24.5
G
N O TE 1: The selection o f tire s iz e s shall be based on m eeting the requ irem en ts o f maximum load.
N O T E 2: Maximum load must not exceed the maximum tir e load lim it as indicated by the underscoring in the table.
Minimum recom m ended cold inflation p ressu res fo r variou s loads must conform to the table.
N O T E 3: F o r sustained high speed d rivin g o v e r
sp ecial operating conditions . . . such as cam pers or other high center o f gra vity loading veh icles . . . cold
inflation p re s s u res may be in creased up to 10 PSI. The total in crease cold inflation p ressu re shall not exceed
10 PSI (under on conditions should maximum tir e p ressu re exceed 100# PS I) above those sp ecified in the
above table fo r the load being ca rried .
N O TE 4: F o r extra ply tir e s , the w idest recom m ended rim should be used.
N O T E 5: F o r single wheel s e r v ic e consult rim and wheel m anufacturers to determ ine i f the rim and wheel are o f suf­
ficien t strength fo r the intended s e rv ic e .
TIRES USED AS SINGLES
T ir e Load L im its at Various Inflation P re s s u re s
50 55
60
1860 2000 2120
1860 2000 2120 2250
2110 2270 2410
2110 2270 2410 2540
2110 2270 2410 2540
2360 2530 2680 2840
2360 2530 2680 2840
2800 3010 3190 3370
2800 3010 3190 3370
3560 3770 4000
3560 3770 4000
4290 4530
4290 4530
4560 4820
4560 4820
4670 4940
4670 4940
4960 5240
4960 5240
TIRES USED AS DUALS
T ir e Load L im its at V ariou s Inflation P r e s s u re s
40 45 50
1630 1750 1860
1630
1750 1860
1850 1990 2110
1850 1990 2110
1850 1990 2110
2350
2070 2220
2070 2220 2350
2460 2640 2800
2800
2460 2640
3120 3310
3120 3310
3760
3760
4000
4000
4100
4100
4350
4350
65 M PH , cold inflation p ressu res must be increased 10 PSI. F or
65 70 75 80
2360 2470
2680 2800
2680 2800 2930
2990 3140
2990 3140 3270
3560 3730 3890
3560 3730 3890
4210
4410 4610
4210 4610
4410
4770 4990 5220
4770 4990 5220
5070 5310 5550
5070 5310 5550
5200 5450 5690
5200 5450 5690
5520 5790 6040
5520 5790 6040
55
60 65 70
2070 2170
1970
2230 2350 2460
2230 2350 2460 2570
2620 2750
2490
2750 2870
2490 2620
2960 3120 3270 3410
2960 3120 3270 3410
3510 3690 3870 4040
3510 3690 3870 4040
3970 4180 4380 4580
3970 4180 4380 4580
4660 4870
4230 4450
4230 4450 4660 4870
4330 4560 4780 4990
4560 4780 4990
4330
4600 4840 5080 5300
4600 4840 5080 5300
WHEELS AND TIRES 10-7
85 90 95
3060 3170
3410 3530
4050
4050 4210 4350 4500
5150
4790 4970
5430
5430 5640 5840 6040
5780
5780 6000 6210 6430
5920
6370
5920 6140 6590
6290
6290 6530 6770 7000
75 80 85
2680 2780
2990 3100
3550
3550 3690 3820
4200 4360 4520
4760
5120
4760 4950
5070
5260 5450
5070
5190
5190 5390 5590
5520
5520 5730 5940
CHEVROLET TRUCK SERVICE MANUAL
100
90
3950
5300
5640
5780
6140