Allison MT(B), HT(B), CT Series On-Highway Transmissions
Operator's Manual for the following Allison Transmission models:
MT, MTB 648
HT 746. HT, HTB 741, 748
HT, HTB 755CR, CLT, CLBT 755
HT, HTB 755DR; HT, HTB 755DR DB
CLT, CLBT 755
Operator's Manual (OM1957EN)
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