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Tire Pressures of Loaded Vehicle in PSI (kPa)
Vehicle type 2500 C/HC/SHC
Tire pressures for size 225/70 R 15 C 115 N
– Front axle with max. axle load
3,858 lbs (1,750 kg) 51 psi (350 kPa)
– Rear axle with max. axle load
5,357 lbs (2,430 kg) 70 psi (480 kPa)
Tire pressures for size LT225/75 R 16 115 N
– Front axle with max. axle load
3,858 lbs (1,750 kg) 55 psi (380 kPa)
– Rear axle with max. axle load
5,357 lbs (2,430 kg) 80 psi (550 kPa)
Vehicle type 3500 C/HC/SHC
Tire pressures for size 195/70 R 15 C 104/102 R
– Front axle with max. axle load
3,858 lbs (1,750 kg) 65 psi (450 kPa)
– Rear axle with max. axle load
7,054 lbs (3,200 kg) 65 psi (450 kPa)
Tire pressures for size LT225/75 R 16 115/112
– Front axle with max. axle load
3,858 lbs (1,750 kg) 58 psi (400 kPa)
– Rear axle with max. axle load
7,054 lbs (3,200 kg) 57 psi (390 kPa)