Q Type Crossley Donkey with Queen Mary Trailer

As used by 417 R.S.U attached to 140 Wing, Mosquito Squadron R.A.F. at Whan near Cologne in 1946. My Father drove these around France, Belgium and Germany at the end of WWII carrying parts of Mosquito aircraft. A complete mainplane could be carried or a fuselage or several Merlin engines.
The term "Q" type referred to the quad or 4 wheel drive capability.

Tractor was Crossley 4 X 4

Tractor wheelbase - 11 ft.

5.2 litre Crossley 30/100 engine

4 Cylinders cast in pairs

Side Valves

Bore 109.5mm, Stroke 139.7mm

100 BHP

Aluminium cylinder heads

Dry sump lubricatiion

Trailer 60ft. long "Queen Mary"

5 Ton load evenly distributed on trailer