Scammell Pioneer R100 '1935–45

Scammell Pioneer R100 artillery tractor prototype '1935

Scammell Pioneer R100 artillery tractor prototype '1935

Scammell Pioneer R100 artillery tractor '1938–????Produced in 61 copies

Scammell Pioneer R100 artillery tractor '1938–????

WheelsAge.org '2005–pr.