Caterpillar Performance Handbook, January 2017, SEBD0351-47

Ground Pressure

ArticulatedTrucks

1

23.5R25Tires*

30/65R25Tires*

Tire Load (lb x 1000)

Tire Load (lb x 1000)

4.5 bar (65 psi)

Ground Pressure (psi)

Ground Pressure (psi)

4 bar (58 psi)

4 bar (58 psi)

3.5 bar (51 psi)

3 bar (44 psi)

3 bar (44 psi)

2 bar (29 psi)

4 bar (58 psi) 3 bar (44 psi)

3.5 bar (51 psi)

2 bar (29 psi)

4.5 bar (65 psi)

Tire Load (kg x 1000) Ground Pressure (kg/cm 2 ) 2.0 bar 29 psi 5650 kg 12,460 lb Tire Load Limit

Tire Load (kg x 1000) Ground Pressure (kg/cm 2 ) 3.0 bar 44 psi 7420 kg 16,360 lb Tire Load Limit

4 bar (58 psi)

3 bar (44 psi)

Cold Inflation Pressure

Cold Inflation Pressure

3.0

4.0

4.5

3.5

4.0

44

58

65

51

58

7100

8550

9250

8500

9250

15,650 18,850 20,390

18,740

20,390

KEY

Zero Penetration (Flat Plate) 76 mm (3") Penetration

*Charts based on Michelin XADN tire characteristics. Results may differ for other tread patterns and/or brands. Charts are to be used to calculate ground pressure.To determine the inflation as a function of load and conditions or when loads exceed tire load limit, contact your tire manufacturer representative.

Edition 47 1-7