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How To Motorize A Pedal Tractor
"I thought your readers would like to see the motorized pedal tractors I put together. They really work great," says Tom Demers, Bethlehem, Conn., who in recent years has motorized Deere, Oliver and other brand pedal tractors.
The first one he modified was a 1965 Deere Pedal Trac. Demers cut the center
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How To Motorize A Pedal Tractor TRACTORS Miscellaneous I thought your readers would like to see the motorized pedal tractors I put together They really work great says Tom Demers Bethlehem Conn who in recent years has motorized Deere Oliver and other brand pedal tractors
The first one he modified was a 1965 Deere Pedal Trac Demers cut the center part out of the hood and installed a 1981 Echo 21 cc weed trimmer engine which is hooked up to the transmission off a Troy-bilt mini rototiller The transmission chain-drives the tractor s rear axle
The tractor still has its original front and rear wheels seat and steering wheel An add-on spring-loaded throttle lever is used to control tractor speed
The weed trimmer engine has a built-in clutch so when you let off the gas the tractor stops dead It s like putting on the brakes says Demers When it s running the tractor moves at walking speed
To build Demers put the engine and transmission together first Then to make room for them he split the tractor apart lengthwise and used a sabre saw to cut out an opening for the engine
The rototiller transmission has a worm gear drive with a 36:1 ratio The 2-cycle engine doesn t have much torque unless it s revved up and would have run too fast for the pedal tractor so Demers had to gear it down To do that he cut 1 tine shaft off the tiller and shortened the other then mounted a sprocket on it to drive the tractor s rear wheel
I m happy with the way it turned out It looks cool because the engine and muffler are black and orange and just the right size so everything looks proportionate says Demers
I used the chrome pipe from a motorcycle handlebar to make an exhaust pipe and the knockout from an electrical box to make a flapper The flapper bobs up and down with the exhaust just like on a real tractor which people really get a kick out of at parades
My son and his teenage friends like to drive all my motorized pedal tractors It looks funny to see grown boys and men driving such small tractors but the tractors have no trouble handling them because they have so much torque and a high gear ratio
The tractor s throttle cable runs from the engine up to the steering column I only have to turn the steering wheel 1/2 way each way to steer so the throttle can t get tangled up However on my most recent pedal tractor I mounted the throttle on one of the tractor s foot pedals so that as soon as you take your foot off the pedal the tractor stops notes Demers
Contact: FARM SHOW Followup Tom Demers 267 Hard Hill Rd N Bethlehem Conn 06751 ph 203 266-5767; tdemers350@hotmail com
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