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Farmall Powered By A 212cc Engine
When Chris Floerkey, Danville, Ala., needs tractor power on his 10-acre hobby farm, he fills the tank with less than a gallon of gas and pulls the cord to start the Predator 212cc engine on his 1941 Farmall H tractor.

“It’s real slow (5 mph) but has amazing power,” he says, noting he’s used it to pull a disc, trailer, and hay wagon and for pulling up stumps.

Floerkey’s first project was installing the engine he bought from Harbor Freight on a golf cart. At $100 (a couple of years ago), the price was right, and it gave Floerkey the idea to put the same engine in his grandfather’s Farmall H tractor. He’d brought the tractor home from Indiana 10 years earlier, but the engine block was cracked and too expensive to repair or replace.

“What made it ideal is that some Farmalls are held together by the engine, but the H has a subframe of channel iron,” he says, so the engine isn’t needed.

“The heart of the project is the eye of the clutch, so I bought a clutch disc and cut the center out. I also bought a 1-in. shaft coupler and a friend with a machine shop welded them together for $40. That allowed me to extend the transmission shaft to the 1-in. keyed shaft. The only trick was to line up the old stuff to the new stuff,” Floerkey explains.

He figured the 212cc engine would work in the H because the tractor’s original engine was small with 24 hp. and 1,600 rpm’s. Though the new engine is only 6.5 hp., it runs at up to 3,600 rpm’s. He used a large 84-tooth sprocket on the new shaft to make up for horsepower with increased gear ratio. He wasn’t sure if No. 40 chain would be enough, but it’s worked well for a couple of years. The total cost of getting the Farmall H running was about $400.

The Predator 212 Tractor post on his YouTube channel, Keyfarm, shows how he rigged up the engine. It has inspired others to use the 212cc engine in other projects.

A gallon of gas lasts about 3 hrs. on half throttle, and the tractor does everything he’s needed to do so far.

The biggest shortcoming is that it doesn’t have enough rpm’s to run a pto for most equipment and it’s slow.

Floerkey, who also tinkers with remote control, figures he has a solution for that.

He plans to add an 18-hp. DuroMax engine and pto shaft on the back of his 1992 Mazda pickup that also has a 212cc engine. The plan is to pull the bush hog with the truck. After that, he plans to upgrade to an 18-hp. engine on the tractor.

“My goal is to have a video of me sitting in the shade with my tractor bush hogging by remote control. So, stay tuned,” he says.

Contact: FARM SHOW Followup, Chris Floerkey, Danville, Ala. (ckeyfarm@gmail.com; YouTube: Keyfarm).

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2022 - Volume #46, Issue #5