2420 / 2440
32
Edition 47 32-59
Tires
Standard Cold Inflation Pressures
●
Motor Graders — Bias Ply
MOTOR GRADERS — Bias Ply*
Model
Tire Size
Ply
Rating
Inflation Pressure
Bridgestone/Firestone
Goodyear
Triangle
Front
Center/Rear
Front
Center/Rear
Front
Center/Rear
kPa psi
kPa psi
kPa psi
kPa psi
kPa psi
kPa psi
12K
13.00-24
12, 16
276
40
276
40
14.00-24
12, 16 248
36
248
36
200
29
200
29
248
36
276
40
17.5-25
12, 16 248
36
248
36
248
36
276
40
12M
14.00-24
12, 16
248
36
352
51
17.50-25
12, 16 207
30
241
35
12M3
14.00-24
12, 16
228
33
324
47
17.5-25
12, 16 207
30
241
35
120K
13.00-24
12, 16 248
36
248
36
228
33
228
33
14.00-24
12, 16 248
36
248
36
172
25
172
25
248
36
276
40
17.5-25
12, 16 248
36
248
36
248
36
276
40
120M
14.00-24
12, 16 207
30
276
40
228
33
324
47
120M2
14.00-24
12, 16
228
33
324
47
17.50-25
12, 16 207
30
241
35
140K
14.00-24
12, 16 248
36
248
36
172
25
172
25
248
36
276
40
17.5-25
12, 16 248
36
248
36
248
36
276
40
248
36
276
40
140M
14.00-24
12, 16 207
30
241
35
248
36
352
51
17.50-25
12, 16 207
30
276
40
140M3
14.00-24
12, 16
303
44
427
62
17.5-25
12, 16 207
30
276
40
17.50-25
12, 16 207
30
276
40
160K
14.00-24
12, 16 248
36
248
36
17.5-25
12, 16 248
36
248
36
248
36
276
40
160M
14.00-24
12, 16
303
44
427
62
160M3
17.5-25
12, 16 207
30
276
40
*Consult your local tire supplier for proper ply rating.
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.