Here's a great film featuring the Scammell Pioneer. It's a Military Training film designed to give the REME recruits an idea of the capability of the British Army's 6 Wheel Heavy Breakdown Tractor.
This episode teaches recruits how to recover stricken tanks using the 5 to 1 pull amoungst other methods, featuring a Churchill tank.
The film was produced in 1944.
![](https://i.ytimg.com/vi/h8bCx4PKr9A/mqdefault.jpg)