[phantom16]

Thanks David for the pics on this other rare beast.
This is the M6 38-ton high speed tractor which is the larger brother of the M4 18-ton high speed tractor.
The M6 was used to tow the 240mm howitzer and the 8" gun in the 3rd and 61st Super Heavy Regiments during WW2.

So, I think there are no pictures of the M4 high speed tractor used by the British.

regards,

Dennis