2421 / 2440
32-60 Edition 47
Tires
Standard Cold Inflation Pressures
●
Motor Graders — Radial Ply
MOTOR GRADERS — Radial Ply
Model
Tire Size
Star
Rating
Inflation Pressure
Michelin
Bridgestone/Firestone
Front
Center/Rear
Front
Center/Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
12K
13.00R24
★
,
★★
310
45
310
45
14.00R24
★
,
★★
310
45
310
45
17.5R25
★
,
★★
276
40
276
40
12M
14.00R24
★
,
★★
207
30
310
45
310
45
310
45
17.5R25
★
,
★★
207
30
241
35
276
40
276
40
12M3
14.00R24
★
,
★★
207
30
310
45
303
44
372
54
17.5R25
★
,
★★
207
30
241
35
241
35
303
44
14M
20.5R25
★
,
★★
207
30
310
45
310
45
310
45
16M
23.5R25
★
,
★★
207
30
276
40
207
30
290
42
16M3
23.5R25
★
,
★★
207
30
310
45
207
30
290
42
18M3
23.5R25
★
,
★★
207
30
345
50
207
30
345
50
24M
29.5R29
★
,
★★
303
44
379
55
310
45
379
55
120K
13.00R24
★
,
★★
310
45
310
45
14.00R24
★
,
★★
310
45
310
45
17.5R25
★
,
★★
276
40
276
40
120M
14.00R24
★
,
★★
241
35
345
50
310
45
310
45
17.5R25
★
,
★★
207
30
276
40
276
40
276
40
120M2
14.00R24
★
,
★★
241
35
345
50
310
45
359
52
17.5R25
★
,
★★
207
30
276
40
276
40
310
45
140K
13.00R24
★
,
★★
310
45
310
45
14.00R24
★
,
★★
207
30
241
35
310
45
310
45
17.5R25
★
,
★★
276
40
276
40
140M
14.00R24
★
,
★★
276
40
345
50
310
45
310
45
17.5R25
★
,
★★
207
30
276
40
276
40
276
40
140M3
14.00R24
★
,
★★
276
40
345
50
303
44
372
54
17.5R25
★
,
★★
207
30
276
40
241
35
303
44
160K
13.00R24
★
,
★★
310
45
310
45
14.00R24
★
,
★★
310
45
310
45
17.5R25
★
,
★★
276
40
276
40
160M
14.00R24
★
,
★★
276
40
345
50
310
45
310
45
17.5R25
★
,
★★
207
30
276
40
276
40
276
40
160M3
14.00R24
★
,
★★
276
40
345
50
310
45
379
55
17.5R25
★
,
★★
207
30
276
40
310
45
379
55
NOTE:
These are general pressures. For applications such as slope and ditching service, the inflation pressures should be increased by 100 kPa (
15 psi
) with
NO increase in carrying capacity.Any extreme conditions should be referred to your local tire supplier OR representative for recommended pressures, sizes,
patterns, and compounds for specific application.The recommended inflation pressures provided are a starting point for the machine shown.
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.