TM 55-2320-272-14-1
M939A2-SERIES
The M939A2-series trucks are easily identified by the tandem axles with single radial tires and
CTIS.
The M939A2-series CTIS has the following four preset tire pressures:
Highway
60 pounds per square inch (psi)
(80 psi on the M936A2)
Cross Country
35 psi
Sand/Snow
25 psi
Emergency
12 psi
1-35