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Allis Chalmers Discussion Forum

A-C Dual Fuel

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Author  [Modern View]

03-03-2017 18:55:42

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Does anyone know anything about an AC dual fuel tractor?It has a propane tank and a gas tank , it looks like a WD -45 but I am not sure, any idea of the value? it looks like it is in good condition.

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X-Y switch

03-06-2017 17:48:46

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
When I was a kid, about 65 years ago, a friend of my Dads was running styled WCs on propane, don't know if they were dual fuel but seemed to run ok on propane.

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03-06-2017 16:38:54

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
Here is one.

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Bob Bancroft

03-04-2017 02:21:38

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
Never too old to learn--just looking at tractordata.com, I see three compression ratios listed for the WD45 226 engine. The common gas, a lower ratio for "tractor fuel"(I suppose the true dual fuel-start on gas run on distillate) and a higher ratio for the LP model. I assumed the gas tank was just used on the WD45 LP as a dummy to hold the hood. Probably cheaper than coming up with something else.

Used to be lots of WD45's around. No LP's here. Very few diesels.

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03-03-2017 23:52:58

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
LP WD45 had a front mount LP tank that utilized the mounted cultivator brackets- the square cutouts that were referred to. They mount on the front of the C-channel frame. You could switch from one fuel to the other.

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Jerry Coulter

03-04-2017 05:24:12

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 Re: A-C Dual Fuel in reply to JMS/.MN, 03-03-2017 23:52:58  
Because of the higher compression ratio, ethyl gasoline was to be used, not regular. This was a factory setup, not a conversion.

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Tramway Guy

03-03-2017 19:49:11

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
The factory LP tank mounts had a square cutout for a front mounted cultivator.

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03-03-2017 19:22:53

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 Re: A-C Dual Fuel in reply to GaryInKS, 03-03-2017 18:55:42  
When I was a kid, a neighbor had a WD factory gas with a LP conversion. The tank was mounted in front of the radiator.

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