TABLE D
Radial Ply Metric
Agricultural Tractor Drive Wheel Tires
TIRE TYPE NOMENCLATURE
Code No.
Tire Type
R-1
R-1W
Drive Wheel, Regular Tread
Drive Wheel, Wet Traction Tread
FOR A8 AND B SPEED SYMBOL TIRES
Basic Tire Load Ratings for Tire Selection
MAXIMUM SPEED 30 MPH (50 KM/H)
TIRE
SIZE
TIRE
CONFIGURATION
INFLATION
(PSI)
TIRE LOAD LIMITS (LBS.) AT VARIOUS COLD INFLATION PRESSURES (PSI)
6
9
12
15
17
20
23
26
29
230/95R48
LI
114
121
123
230/95R48
SINGLES
1430
1710
2040
2270
2600
2910
3200
3300
3420
230/95R48
DUALS
1260
1500
1800
2000
2290
2560
2820
2900
3010
230/95R48
TRIPLES
1170
1400
1670
1860
2130
2390
2620
2710
2800
280/85R24
LI
108
115
280/85R24
SINGLES
1230
1480
1710
1930
2200
2470
2680
280/85R24
DUALS
1080
1300
1500
1700
1940
2175
2360
280/85R24
TRIPLES
1010
1215
1400
1500
1800
2025
2200
290/95R34
LI
119
125
129
290/95R34
SINGLES
1650
2040
2340
2680
3000
3300
3640
3860
4080
290/95R34
DUALS
1450
1800
2060
2360
2640
2900
3200
3400
3590
290/95R34
TRIPLES
1350
1670
1920
2200
2460
2710
2980
3170
3350
320/85R24
LI
115
122
320/85R24
SINGLES
1480
1820
2090
2400
2680
3000
3300
320/85R24
DUALS
1300
1600
1840
2110
2360
2640
2905
320/85R24
TRIPLES
1215
1490
1715
1970
2200
2460
2705
320/85R28
LI
118
124
320/85R28
SINGLES
1610
1930
2270
2600
2910
3200
3520
320/85R28
DUALS
1420
1700
2000
2290
2560
2815
3100
320/85R28
TRIPLES
1320
1580
1860
2130
2385
2625
2890
320/85R34
LI
121
127
131
320/85R34
SINGLES
1760
2150
2470
2830
3200
3520
3860
4080
4300
320/85R34
DUALS
1550
1890
2170
2490
2820
3100
3400
3590
3780
320/85R34
TRIPLES
1440
1760
2030
2320
2620
2890
3170
3350
3530
320/85R38
LI
123
129
133
320/85R38
SINGLES
1870
2270
2600
3000
3420
3740
4080
4300
4540
320/85R38
DUALS
1650
2000
2290
2640
3010
3290
3590
3480
4000
320/85R38
TRIPLES
1530
1860
2130
2460
2800
3070
3350
3530
3720
320/90R46
LI
126
133
136
320/90R46
SINGLES
2150
2600
3000
3420
3860
4300
4800
5080
5200
320/90R46
DUALS
1890
2290
2640
3010
3400
3780
4220
4470
4580
320/90R46
TRIPLES
1760
2130
2460
2800
3170
3530
3940
4170
4260
320/90R50
320/90R50
SINGLES
2270
2760
3200
3640
4080
4540
4940
5200
5520
320/90R50
DUALS
2000
2430
2820
3200
3590
4000
4350
4580
4860
320/90R50
TRIPLES
1860
2260
2620
2980
3350
3720
4050
4260
4530
320/90R54
LI
129
136
140
320/90R54
SINGLES
2340
2830
3300
3740
4300
4680
5200
5520
5680
320/90R54
DUALS
2060
2490
2900
3290
3780
4120
4580
4860
5000
320/90R54
TRIPLES
1920
2320
2710
3070
3530
3840
4260
4530
4660
340/85R24
LI
119
125
340/85R24
SINGLES
1650
1980
2270
2600
3000
3300
3640
340/85R24
DUALS
1450
1740
2000
2290
2640
2905
3200
340/85R24
TRIPLES
1350
1625
1860
2130
2460
2705
2985
340/85R28
LI
121
127
340/85R28
SINGLES
1760
2090
2470
2830
3200
3520
3860
340/85R28
DUALS
1550
1840
2175
2490
2815
3100
3400
340/85R28
TRIPLES
1440
1715
2025
2320
2625
2885
3165
380/70R24
LI
119
125
380/70R24
SINGLES
1650
1980
2270
2600
3000
3300
3640
380/70R24
DUALS
1450
1740
2000
2290
2640
2905
3200
380/70R24
TRIPLES
1350
1625
1860
2130
2460
2705
2985
380/80R38
LI
130
137
140
380/80R38
SINGLES
2270
2760
3200
3640
4180
4540
5080
5360
5520
380/80R38
DUALS
2000
2430
2820
3200
3680
4000
4470
4720
4860
380/80R38
TRIPLES
1860
2260
2620
2980
3430
3720
4170
4400
4530
380/85R24
LI
124
131
380/85R24
SINGLES
1930
2340
2760
3080
3520
3860
4300
380/85R24
DUALS
1700
2060
2430
2710
3100
3400
3785
380/85R24
TRIPLES
1580
1920
2260
2525
2885
3165
3525
380/85R28
LI
126
133
380/85R28
SINGLES
2090
2540
2910
3300
3740
4180
4540
380/85R28
DUALS
1840
2240
2560
2900
3290
3680
4000
380/85R28
TRIPLES
1710
2080
2390
2710
3070
3430
3720
380/85R30
LI
127
135
380/85R30
SINGLES
2150
2600
3000
3420
3860
4300
4800
380/85R30
DUALS
1890
2290
2640
3010
3400
3780
4220
380/85R30
TRIPLES
1760
2130
2460
2800
3170
3530
3940
380/85R34
LI
127
135
380/85R30
SINGLES
2270
2760
3200
3640
4080
4540
5080
380/85R30
DUALS
2000
2430
2820
3200
3590
4000
4470
380/85R30
TRIPLES
1860
2260
2620
2980
3350
3720
4170
380/90R46
LI
137
144
147
380/90R46
SINGLES
2830
3300
3960
4400
5080
5520
6150
6400
6800
380/90R46
DUALS
2490
2900
3480
3870
4470
4860
5410
5630
5980
380/90R46
TRIPLES
2320
2710
3250
3610
4170
4530
5040
5250
5580
380/90R50
LI
138
145
151
380/90R50
SINGLES
2910
3520
4080
4680
5200
5840
6400
6800
7600
380/90R50
DUALS
2560
3100
3590
4120
4580
5140
5630
5980
6690
380/90R50
TRIPLES
2390
2890
3350
3840
4260
4790
5250
5580
6230
380/90R54
LI
140
146
150
380/90R54
SINGLES
3000
3640
4300
4800
5520
6000
6600
6950
7400
380/90R54
DUALS
2640
3200
3780
4220
4860
5280
5810
6120
6510
380/90R54
TRIPLES
2460
2980
3530
3940
4530
4920
5410
5700
6070
420/70R24
LI
123
130
420/70R24
SINGLES
1930
2270
2680
3080
3420
3860
4180
420/70R24
DUALS
1700
2000
2360
2710
3010
3400
3680
420/70R24
TRIPLES
1580
1860
2200
2525
2805
1365
3430
420/85R24
LI
129
137
420/85R24
SINGLES
2270
2760
3200
3640
4080
4540
5080
420/85R24
DUALS
2000
2430
2815
3200
3590
3995
4470
420/85R24
TRIPLES
1860
2260
2625
2985
3345
3720
4165
420/85R26
LI
131
138
420/85R26
SINGLES
2340
2830
3300
3740
4300
4680
5200
420/85R26
DUALS
2060
2490
2900
3290
3780
4120
4580
420/85R26
TRIPLES
1920
2320
2710
3070
3530
3840
4260
420/85R28
LI
132
139
420/85R28
SINGLES
2470
2910
3420
3860
4400
4940
5360
420/85R28
DUALS
2170
2560
3010
3400
3870
4350
4720
420/85R28
TRIPLES
2030
2390
2800
3170
3610
4050
4400
420/85R30
LI
133
140
420/85R30
SINGLES
2540
3000
3520
4080
4540
5080
5520
420/85R30
DUALS
2235
2640
3100
3590
4000
4470
4860
420/85R30
TRIPLES
2080
2460
2885
3345
3720
4165
4525
420/85R34
LI
135
142
145
420/85R34
SINGLES
2680
3200
3740
4300
4800
5360
5840
6150
6400
420/85R34
DUALS
2360
2815
3290
3785
4225
4720
5140
5410
5630
420/85R34
TRIPLES
2200
2625
3070
3525
3935
4395
4790
5040
5250
420/85R38
LI
137
144
420/85R38
SINGLES
2830
3420
3960
4540
5080
5680
6150
420/85R38
DUALS
2490
3010
3485
4000
4470
5000
5410
420/85R38
TRIPLES
2320
2805
3250
3720
4165
4660
5045
420/90R30
135
142
420/90R30
SINGLES
2680
3200
3740
4180
4800
5360
5840
420/90R30
DUALS
2360
2820
3290
3680
4220
4720
5140
420/90R30
TRIPLES
2200
2620
3070
3430
3940
4400
4790
460/85R30
LI
138
145
460/85R30
SINGLES
2910
3520
4080
4680
5200
5840
6400
460/85R30
DUALS
2560
3100
3590
4120
4575
5140
5630
460/85R30
TRIPLES
2385
2890
3345
3840
4265
4790
5250
460/85R34
LI
140
147
460/85R34
SINGLES
3080
3640
4300
4940
5520
6150
6800
460/85R34
DUALS
2710
3200
3785
4350
4860
5410
5985
460/85R34
TRIPLES
2525
2985
3525
4050
4525
5040
5575
460/85R38
LI
142
149
460/85R38
SINGLES
3200
3860
4540
5200
5840
6400
7150
460/85R38
DUALS
2815
3400
4000
4575
5140
5630
6290
460/85R38
TRIPLES
2625
3165
3720
4265
4970
5250
5860
480/65R24
LI
127
133
480/65R24
SINGLES
2150
2600
3000
3420
3860
4180
4540
480/65R24
DUALS
1890
2290
2640
3010
3400
3680
4000
480/65R24
TRIPLES
1760
2130
2460
2800
3170
3430
3720
480/65R28
LI
129
136
480/65R28
SINGLES
2270
2760
3200
3640
4080
4540
4940
480/65R28
DUALS
2000
2430
2820
3200
3590
4000
4350
480/65R28
TRIPLES
1860
2260
2620
2980
3350
3720
4050
480/70R28
LI
133
140
144
480/70R28
SINGLES
2540
3000
3520
4080
4540
5080
5520
5840
6150
480/70R28
DUALS
2240
2640
3100
3590
4000
4470
4860
5140
5410
480/70R28
TRIPLES
2080
2460
2890
3350
3720
4170
4530
4790
5040
480/70R30
LI
134
141
145
480/70R30
SINGLES
2600
3080
3640
4180
4680
5200
5680
6000
6400
480/70R30
DUALS
2290
2710
3200
3680
4120
4580
5000
5280
5630
480/70R30
TRIPLES
2130
2530
2980
3430
3840
4260
4660
4920
5250
480/70R34
LI
136
143
146
480/70R34
SINGLES
2760
3300
3860
4400
4940
5520
6000
6400
6600
480/70R34
DUALS
2430
2905
3400
3870
4350
4860
5280
5630
5810
480/70R34
TRIPLES
2260
2705
3165
3610
4050
4525
4920
5250
5410
480/70R38
LI
138
145
480/70R38
SINGLES
2910
3520
4080
4680
5200
5840
6400
480/70R38
DUALS
2560
3100
3590
4120
4575
5140
5630
480/70R38
TRIPLES
2385
2890
3345
3840
4265
4790
5250
480/80R30
139
145
480/80R30
SINGLES
2910
3520
4080
4680
5360
5840
6400
480/80R30
DUALS
2560
3100
3590
4120
4720
5140
5630
480/80R30
TRIPLES
2390
2890
3350
3840
4400
4790
5250
480/80R38