Suprman
Well-known member
Parts + Service. As the world leader in fully automatic transmissions, Allison Transmission offers our customers a global network of trained technicians at our Distributor and Dealer locations and Authorized locations to service and care for your Allison transmission. Proper service and repair is important to the safe, reliable operation of the equipment. The service procedures recommended by Allison Transmission and described in this handbook are effective methods for performing service operations. Some of these service operations require the use of tools specially designed for the purpose. Allison mnsmissions automatic models HT 740, HT 747 up to 445 nhp (332 kW HT 740 HT 747 + specifications general rating + Net input power lnput speed, full-load governed Net input torque Vehicle weight 445 nhp (332 kW) (max) 2400 rpm (max) 1900 rpm (min) 1300 lb ft (1763 N.m) (max) Up to 80,000 lbs (36280 kg) GVW and 130,000 lbs (58960 kg) GCW.
Allison Ht 740 Service Manual
- Location
- Stratford/Connecticut
Allison Ht740 Service Manual Number
I have a few Allison transmissions. They were intended for Oshkosh Hemtt use. They have a 24 bolt bell housing with approx 21 inch diameter pattern. Some are stamped HT740 and some are stamped HT740D. Both types have the same part number 23014539. The crates are all stamped with nsn 2520-01-257-3880. I called Allison, they said the part number is a standard HT740 4-speed automatic trans. Allison said they do not make a 740D, they make a 750DR which is a 5-speed with the first gear being very low. Some of the 740D's are rebuilt by Inland Detroit-Allison so I called them and they said yup its a 740D but couldnt give me any other info. Inland said the torque converter is a 498 type. Does anyone know is there is any difference between the two types and if there is a difference between the civ HT740 and the Hemmt HT740?
Thanks
Will
Thanks
Will