TABLE T
Agricultural Tractor Drive Wheel Tires for Small Tractors
 
MAXIMUM SPEED - 20 MPH (30 KM/H) — SPEED SYMBOL A6
TIRE
SIZE
TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES
psi
kPa

80
14
100
16
110
18
120
20
140
22
150
24
160
26
180
28
190
30
210
32
220
34
230
36
250
5-12lbs.265290310 (2)340355375395420440455465495 (4)   
 kg121132140 (2)155160170180190200206212224 (4)   
6-12lbs.365395 (2)430455495520550565600 (4)      
 kg165180 (2)195206224236250257272 (4)      
6-14lbs.410440 (2)480505550565600640660 (4)      
 kg185200 (2)218230250257272290300 (4)      
6.00-16lbs.560 (2)615665710755800840880 (4)       
 kg250 (2)280300320340360380400 (4)       
7-14lbs.520 (2)565615660715740785 (4)        
 kg236 (2)257280300325335355 (4)        
7-16lbs.585 (2)640675740785825855 (4)910935990102010501100 (6)  
 kg265 (2)290307335355375387 (4)412425450462475500 (6)  
8-18lbs.91099010701140(4)12301280136014301480 (6)      
 kg412450487515(4)560580615650670 (6)      
8-16lbs.8259109901070(4)11401200123013201360 (6)      
 kg375412450487(4)515545560600615 (6)       
NOTES: 1: Figures in parentheses denote ply rating for which bold face loads and inflations are maximum.
2: Tire load limits at various cold inflation pressures:


MAX. SPEED

% CHANGE IN ABOVE

Stationary +130%
3 mph (5 km/h) +70%
5 mph (10 km/h) +40%
10 mph (15 km/h) +30%
12 mph (20 km/h) +20%
15 mph (25 km/h) +7%
20 mph (30 km/h) None
FOR RIM AND WHEEL LOAD INFORMATION, SEE IMPORTANT NOTES IN CHARTS I AND II IN GENERAL FARM TIRE INFORMATION