ALLISON-OM1334EN
ALLISON AT, MT, HT SERIES ON-HIGHWAY TRANSMISSIONS
OPERATOR'S MANUAL
2000
ALLISON-OM1334EN - Page 21 of 48
16
RANGE SELECTION — HT 750DR, HT 750DR DB
(cont’d)
2
Use this position for vehicle speed control up or down steep grades or for
other undesirable road 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 1–2 or 2–1 shifts be made
while the vehicle is moving.
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