ALLISON-OM1334EN
ALLISON AT, MT, HT SERIES ON-HIGHWAY TRANSMISSIONS
OPERATOR'S MANUAL
2000
ALLISON-OM1334EN - Page 17 of 48
12
RANGE SELECTION — MT 650; MT(B) 653DR
(cont’d)
2
2–3
Use this position for vehicle speed control up or down steep grades or for
other undesirable driving conditions.
1
This is the creeper range — select this for off-highway operation. Use the
creeper for pulling through mud or snow. This range provides the greatest
tractive advantage. It is not recommended that full-power 1–2 or 2–1
shifts be made.
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