REGULATOR AS 4777762 - Caterpillar

Table 1
Tire Size     Ply Rating or Strength Index     Shipping Pressure    
Front Rear    
18.0-25     Bridgestone 28    
725 kPa (105 psi)    
450 kPa (65 psi)    
18.0-25     Goodyear 28    
705 kPa (102 psi)    
505 kPa (73 psi)    
18.0-R25     Bridgestone Two Star    
725 kPa (105 psi)    
450 kPa (65 psi)    
18.0-R25     Michelin Two Star    
690 kPa (100 psi)    
480 kPa (70 psi)    Note: The "R" in the tire size signifies radial construction.The tire inflation pressure is based on the weight of a ready-to-work machine without attachments, at rated payload, and in average operating conditions. The tire pressures for each application may vary. Always obtain the proper pressures from your tire supplier.