TABLE C
Radial Ply
Metric Agricultural Tractor Drive Wheel Tire
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
TIRES USED AS SINGLES

Basic Tire Load Ratings for Tire Selection | MAXIMUM SPEED 30 MPH (50 KM/H)
Tire
Size
Designation
LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES
psi
kPa
6
40
9
60
12
80
15
100
17
120
20
140
23
160
26
180
29
200
32
220
35
240
38
260
41
280
44
300
46
320
49
340
52
360
230/95R48lbs.14301710204022702600291032003300342036403740386040804180440045404680
230/95R48kg.65077592510301180132014501500155016501700175018501900200020602120
230/95R48LI    114 121 123 126 129 132 134
280/85R24lbs.1230148017101930 2200 2470 2680           
280/85R24kg.560670775875 1000 1120 1215           
280/85R24LI     108   115           
290/95R34lbs.16502040234026803000330036403860408041804300      
290/95R34kg.750925106012151360150016501750185019001950      
290/95R34LI    119 125 129 131      
320/85R24lbs.1480182020902400268030003300          
320/85R24kg.6708259501090121513601500          
320/85R24LI    115 122          
320/85R28lbs.1610193022702600 2910 3200 3520           
320/85R28kg.73087510301180132014501600          
320/85R28LI    118 124          
320/85R34lbs.17602150247028303200352038604080430044004540      
320/85R34kg.800975112012851450160017501850195020002060      
320/85R34LI    121 127 131 133      
320/85R38lbs.18702270260030003420374040804300454046804800508052005520568058406000
320/85R38kg.8501030118013601550170018501950206021202180230023602500257526502725
320/85R38LI    123 129 133 135 138 141 143
320/90R42lbs.20902470291033003740418045404800494052005360      
320/90R42kg.9501120132015001700190020602180224023602430      
320/90R42LI    126 133 136 139      
320/90R46lbs.21502600300034203860430048005080520053605520584061506400660068006950
320/90R46kg.9751180136015501750195021802300236024302500265028002900300030753150
320/90R46LI    127 135 138 140 144 146 148
320/90R50lbs.227027603200364040804540494052005520568058406150640066006950  
320/90R50kg.103012501450165018502060224023602500257526502800290030003150  
320/90R50LI    129 136 140 142 145 148  
320/90R54lbs.234028303300374043004680520055205680584060006400660069507150  
320/90R54kg.106012851500170019502120236025002575265027252900300031503250  
320/90R54LI    131 138 141 143 146 149  
340/85R24lbs.1650198022702600300033003640          
340/85R24kg.75090010301180136015001650          
340/85R24LI    119 125          
340/85R28lbs.1760209024702830320035203860          
340/85R28kg.80095011201285145016001750          
340/85R28LI    121 127          
380/70R24lbs.1650198022702600 3000 3300 3640           
380/70R24kg.75090010301180 1360 1500 1650           
380/70R24LI     119   125           
380/80R38lbs.22702760320036404180454050805360552056805840      
380/80R38kg.10301250145016501900206023002430250025752650      
380/80R38LI    130 137 140 142      
380/85R24lbs.1930234027603080352038604300          
380/85R24kg.875106012501400160017501950          
380/85R24LI    124 131          
380/85R28lbs.2090254029103300374041804540          
380/85R28kg.950115013201500170019002060          
380/85R28LI    126 133          
380/85R30lbs.2150260030003420386043004800          
380/85R30kg.975118013601550175019502180          
380/85R30LI    127 135          
380/85R34lbs.2270276032003640408045405080          
380/85R34kg.1030125014501650185020602300          
380/85R34LI    129 137          
380/90R46lbs.28303300386044005080552061506400680069507150      
380/90R46kg.12851500175020002300250028002900307531503250      
380/90R46LI    137 144 147 149      
380/90R50lbs.29103520408046805200584064006800695074007600      
380/90R50kg.13201600185021202360265029003075315033503450      
380/90R50LI    138 145 148 151      
380/90R54lbs.30003640430048005520600066006950740076007850      
380/90R54kg.13601650195021802500275030003150335034503550      
380/90R54LI    140 146 150 152      
385/85R34lbs.2340283033003740418044005200536056805840600064006600    
385/85R34kg.1060128515001700190020002360243025752650272529003000    
385/85R34LI    130 138 141 143 146    
420/70R24lbs.1930227026803080 3420 3860 4180           
420/70R24kg.875103012151400 1550 1750 1900           
420/70R24LI     123   130           
420/85R24lbs.2270276032003640 4080 4540 5080           
420/85R24kg.1030125014501650 1850 2060 2300           
420/85R24LI     129   137           
420/85R26lbs.2340283033003740430046805200          
420/85R26kg.1060128515001700195021202360          
420/85R26LI    131 138          
420/85R28lbs.2470291034203860440049405360          
420/85R28kg.1120132015501750200022402430          
420/85R28LI    132 139          
420/85R30lbs.2540300035204080 4540 5080 5520           
420/85R30kg.1150136016001850 2060 2300 2500           
420/85R30LI     133   140           
420/85R34lbs.2680320037404300 4800 5360 5840           
420/85R34kg.1215145017001950 2180 2430 2650           
420/85R34LI     135   142           
420/85R38lbs.2830342039604540 5080 5680 6150           
420/85R38kg.1285155018002060 2300 2575 2800           
420/85R38LI     137   144           
420/90R30lbs.2680320037404180480053605840          
420/90R30kg.1215145017001900218024302650          
420/90R30LI    135 142          
460/85R30lbs.2910352040804680 5200 5840 6400           
460/85R30kg.1320160018502120 2360 2650 2900           
460/85R30LI     138   145           
460/85R34lbs.3080364043004940 5520 6150 6800           
460/85R34kg.1400165019502240 2500 2800 3075           
460/85R34LI       147           
460/85R38