TM 9-2320-272-10 Table 1-10.  Tire Inflation Data (Contd). M923 M925 M297 M928 M929 M930 M931 M932 M934 M936 M939A 1/A2 SERIES (14:00 X R20) HIGHWAY FRONT AND REAR Standard (psi) 60 60 60 60 60 60 60 60 60 80 Metric (kPa) 414 414 414 414 414 414 414 414 414 551 CROSS COUNTRY FRONT AND REAR Standard (psi) 35 35 35 35 35 35 35 35 35 35 Metric (kPa) 241 241 241 241 241 241 241 241 241 241 MUD, SAND, AND SNOW FRONT AND REAR Standard (psi) 25 25 25 25 25 25 25 25 25 25 Metric (kPa) 172 172 172 172 172 172 172 172 172 172 EMERGENCY FRONT AND REAR Standard (psi) 12 12 12 12 12 12 12 12 12 12 Metric (kPa) 83 83 83 83 83 83 83 83 83 83 ALL MODELS: SPARE inflate to maximum - - - - - - - - - - highway pressure 1-25