Truck, Crane, 2 1/2 ton, 6x6 M-108
The Truck, Crane, 2 1/2 ton, 6x6 M-108 (and the very similar M-60 Truck, Wrecker, Light, 2 1/2 ton, 6x6) are part of the G-742 (or M-44) series of 2 1/2 ton trucks. The many models of the very successful G-742 trucks were in Army inventory from the mid-1950s into the 1990s.
Details of the history, model numbers, and configurations of the M35-series of 6x6 cargo trucks is on the linked page.
The manuals for the M-108, and the M-44 series, are numbered TM 9-2320-209-xx, where the last two digits indicate the type of manual such as 10 for Operators Manual, 20 for Organizational Maintenance, and so forth according to the Army standard. An exception is the Lube Order, LO9-2320-209-12-1. All together there are dozens of multi-volume manuals for the series of trucks.
The M108 crane truck was used for many tasks including to deploy missiles such as Lacrosse.
Truck, Crane, 2 1/2 ton, 6x6 M-108 belonging to the Royal Thai Air Force, 1965. Photo: Directorate of Transportation, Air Support Command, Royal Thai Air Force.
Truck, Crane, 2 1/2 ton, 6x6 M-108 drawing from TM 9-2320-209-10.