Mack T310M, T310Me And T310Mlr Shifting Instructions - Mack Granite GU Series Operator's Handbook Manual

210 OPERATION
Gear (Main Box)
1/6
2/7
3/8
4/9
5/10
R/R
MACK T310M, T310ME and T310MLR Shifting
Instructions
CAUTION
Make sure air pressure is at least 90 psi and unit is at operating temperature before
making range shifts. Always start in LO range. This also applies to dynamometer
testing. When the truck is stationary, do NOT shift into HI range and then start
moving the truck. Otherwise, damage to the synchronizer may result.
Ratios
LO
13.81
10.05
7.18
5.17
3.75
14.73
C0029347
HI
2.67
1.94
1.39
1.00
0.73
2.85