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435/485/535
6-17
Section 6 - Specifications
Tire Load and Inflation Tables
Tire Load and Inflation Tables
Use the following chart and guidelines to determine the proper inflation pressure for tires on a given axle.
Divide the axle weight by the number of tires on an axle to determine the load to be carried by each tire.
U.S. Measure
Inflation
Pressure (PSI)
6 9 12 15 17 20 23
20.8 R42
Singles - lbs.
3740 4800 5680 - - 7600 -
Duals - lbs.
3290 4220 5000 - - 6690 -
Triples - lbs.
3070 3720 4660 - - 6230 -
520/85 R46
Singles - lbs.
4080 4940 5680 6600 7400 8250 9100
Duals - lbs.
3590 4350 5000 5810 6410 7260 8010
Triples - lbs.
3350 4050 4660 5410 6070 6770 7460
620/70 R42
Singles - lbs.
4540 5360 6400 7150 8050 9100 9900
Duals - lbs.
4000 4720 5630 6290 7980 8010 8710
Triples - lbs.
3720 4400 5250 5860 6600 7460 8120
650/65 R42
Singles - lbs.
4400 5360 6150 7150 8050 8800 9350
Duals - lbs.
3870 4720 5410 6290 7080 7740 8230
Triples - lbs. 3610
4400 5040 5860 6600 7220 7670
650/85 R38
Singles - lbs.
- - - - - - -
Duals - lbs.
- - - - - - -
Triples - lbs.
- - - - - - -
710/70 R38
Singles - lbs.
5360 6400 7400 8550 9650 10700 11700
Duals - lbs.
4720 5630 6510 7520 8490 9420 10300
Triples - lbs.
4400 5250 6070 7010 7910 8770 9590
710/70 R42
Singles - lbs.
5520 6600 7850 8800 9900 11000 12300
Duals - lbs.
4860 5810 6910 7740 8710 9680 10820
Triples - lbs.
4530 5410 6640 7720 8120 9020 10090
800/70 R38
Singles - lbs.
6400 7600 9100 10200 11700 12800 14300
Duals - lbs.
5630 6690 8010 8980 10300 11260 12580
Triples - lbs.
5250 6230 7460 8360 9590 10500 -
850/60 R38
Singles - lbs.
- - - - - - -
Duals - lbs.
- - - - - - -
900/50 R42
Singles - lbs.
5680 6800 7850 9100 10200 11400 12300
Duals - lbs.
5000 5980 6910 8010 8980 10030 10820