The Record Cards show that this and what was I beliebe a E88W 3-tonner semi FC chassis, were sold by DAGENHAM MOTORS LTD in March 1939 into WD Stock. They both had M-H front conversions. The following year there ws also a 7W I think with County rear bogie, and M-H front conversion to create a 6 x 4.
The WD chart shows that the E83W was also the Model 61, but what was the British 81C model number?
It seems that DM were the M-H agents here, but Universal Power Drives Ltd of Perivale supplied Thornton rear drive conversions as well as possibly being M-H importers. This is an extract from VINTAGE ROADSCENE, Part IV of the article relating to the 1936 Trials:
Quote:
Marmon-Herrington four-wheeled four-wheel drive lorry for three-ton military load
The WD trialled a M-H chassis believed to have been for the first time in 1936. The Trials vehicle was sourced from the US by Universal Power Drives and was tested to ascertain its suitability for impressment in substitution for the three-ton six-wheeled lorry class. A reduction gear and transfer case (possibly a Thornton-Detroit item)were incorporated behind the four-speed Ford main gearbox and at that time the components could it was said only be obtained from the US: the Marmon-Herrington Company Inc of Indianapolis, Indiana. In the Trials lorry the 30hp Ford V-8 developed 81.2 bhp and maximum torque of 1662 lb ins. The drive was through an auxiliary gearbox and bevel-driven axles. The tyres were 7.00-20 twin rear standard tread. Fuel consumption averaged 9.1 mpg on roads. Trials were carried out at Farnborough in June 1936 with a loaned vehicle with loads of 3 tons and 30 cwts. The hill-climbing performance and petrol consumption with a 30-cwt load was equal to that of the four- and six-wheeled 30-cwt lorries previously tested by the WD. With a three-ton load the speed, hill-climbing performance and petrol consumption were a little superior to the standard WD three-ton six-wheeled vehicles. The cooling however did not comply with the WD requirements, and ground clearance insufficient. Improved performance would be obtained with larger tyres but this would necessitate a modification to the brake drums. The M-H was noted as suitable for impressments as a substitute for the three-ton six-wheeler lorry if available in sufficient quantities and when conversion components became available in this country.
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There will be a photo of the (what I believe was lhd, and thus US) 81C 4x4 in VINTAGE ROADSCENE issue 94, out in two months' time.