Tire Shipping Pressure
The tire inflation pressures that are shown in the following table are cold inflation pressures for tires on Caterpillar machines and shipping pressures for tires on Caterpillar machines.
Note: The weights provided in the tables below include the weight of the machine. and any work tools that are attached. The maximum load is for each tire at 40 km/h (25 mph) roading speed.
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Front Tire Operating Pressure     | |||
Size     | Ply Rating or Strength Index     | Operating Pressure     | Maximum Load     |
Laborer 11L - 16     |
12     | 440 kPa (64 psi)     |
1250 kg (2760 lb)     |
Duraforce 12-16.5     |
10     | 445 kPa (65 psi)     |
2540 kg (5600 lb)     |
Super Traction 12.5/80R-18     |
12     | 370 kPa (54 psi)     |
3540 kg (7800 lb)     |
Lug12.5/80-18 SG     | 14     | 310 kPa (45 psi)     |
2240 kg (4940 lb)     |
Duraforce 340/80R18     |
143 B     | 400 kPa (58 psi)     |
2240 kg (4940 lb)     |
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Rear Tire Operating Pressure     | |||
Size     | Ply Rating or Strength Index     | Operating Pressure     | Maximum Load     |
19.5L-24 ATU     |
12     | 235 kPa (34 psi)     |
3450 kg (7600 lb)     |
19.5L-24 IT525     |
12     | 235 kPa (34 psi)     |
3450 kg (7600 lb)     |
Duraforce 500/70R24     |
157 B     | 320 kPa (46 psi)     |
4130 kg (9100 lb)     |
21L-24 ATU     | 16     | 275 kPa (40 psi)     |
4490 kg (9900 lb)     |
The operating inflation pressure is based on the following conditions.
- The weight and the distribution of weight on a ready-to-work machine
- The operational payload
- Average operating conditions.
Tire inflation pressures for each application may vary. These tire inflation pressures should be obtained from your tire supplier.
Contact your tire supplier if your machine is experiencing tire slippage. Tire wear may cause tire slippage.
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