Forum › Forums › Tractor Modifications › Convert gas engine to propane
- This topic has 4 replies, 2 voices, and was last updated 2 years, 1 month ago by DavidPrivett.
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June 29, 2022 at 9:29 pm #49884
<span style=”-webkit-tap-highlight-color: rgba(0, 0, 0, 0);”>My 25 year old 841 Caddigger B&S engine carburetor was failing and rebuilding it did not fix the problem. Internal blockage could not be located. Replacement carburetor was not available so my only option luckily was propane conversion.
Several companies will sell kits and they are very simple to install.
I purchased from this company </span><span style=”-webkit-tap-highlight-color: rgba(0, 0, 0, 0);”>https://centuryfuelproducts.com/support/generators/difference-in-conversion-kits/propane-conversion-kits-for-generators-and-small-engines
Basically the 20 pound propane tank feeds into a manifold adapter that mounts under the carburetor, using a rubber hose and clamp. My old carburetor was still useable as that controls propane flow using the position of the still workable throttle plate.
The conversion starts instantly and when I want to stop the engine I simply close the propane valve to starve the engine of fuel. The ignition switch is always in the on position. It is recoil start.
These conversions keep a still tuning engine in service after that original carburetor has failed. And propane actually is a cleaner fuel that increases engine longevity. </span> -
June 29, 2022 at 9:35 pm #49885
Propane tank/regulator and engine
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July 1, 2022 at 2:40 pm #49887
the only down side of propane is the run time is less compaired 20 lb bottle to full tank gas because they do not develop the same power as regular gas . but there is a lota plus’s for propane.
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September 26, 2022 at 1:01 am #49944
Propane conversion;
The propane tank is now mounted permanently in a special mount that this picture does not show. Tank holder was purchase on EBay.
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September 26, 2022 at 8:15 am #49949
I will be courious to see if you have freeze up issues with the regulator when it is cold, they do make regulators meant to be used in cold weather appilications tho. When we had propane powered vechicles at work they used coolant off the heater circuit to flow thru the regulator to keep it from iceing.
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