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Post Info TOPIC: Couple of queries


Legend

Status: Offline
Posts: 1992
Date:
Couple of queries
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Have been doing some research on the US artillery tractors produced in 1918 and afterwards.

1. The 5- and 10-ton artillery tractors had armoured covers for the engine, oil tank and one of the petrol tanks but I haven't

been able to find how thick the armour plate was - anyone know?

2. The Holt civilian Holt 75 was rebadged as the the 15-ton artillery tractor, the Holt 120 as the 20-ton artillery tractor.

Although I've been have to find the handbooks for the 5- and 10-ton tractors online the handbook for the 15-ton appears

elusive. I found an online copy of the 15-ton in the UWisconsin library - available only to staff and students but nowhere else.

Anyone run across these?

 

And here's a fun fact about the artillery tractors - the 2.5-ton was a lash up intended to copy the French idea of having light tractors

towing 75mm field guns. The whole thing was done in a rush and it failed - it had a Cadillac car engine and transmission which constantly 

overheated and suffered from engine failures. Only 116 were produced and although it was shown that a Liberty truck engine worked well the

tractors lost out to horses as the Field Artillery branch rushed back to the 19th century.

Regards,

Charlie

 



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Legend

Status: Offline
Posts: 1992
Date:
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I found the armour thickness in an obscure corner of a manual - it's 1/4inch (about 6mm) for the 10-ton tractor. 

And - just for a giggle - a 5-ton tractor with a "must have" attachment for those days when the traffic

is just so bad.

Charlie

 



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