Heavy duty Mammoth range was also updated after the acquisition of AEC company by Leyland. As well as the other updated AEC models, the Mammoth has got the Leyland Ergomatic cab. The trucks were equipped with AEC AV760 engines, 9- or 13-speed Fuller transmissions and Leyland double drive hub reduction back axles. The new Mammoth range included 3 models:
- Mammoth Major 6 – model TG6R, 6×4, producing years 1965-1978. There was a version with V8 engine – model VTG6R, producing years 1968-1969.
- Mammoth Major 8 – model TG8R, 8×4, producing years 1966-1977.
- Mammoth Minor – model TG6RF, 6×2, twin-steer front axles, producing years 1965-1967.
Predecessor: AEC Mammoth Major 6 / 8 MkV (model G6/G8)
AEC Mammoth Major 6 RAF