2023 - Volume #47, Issue #1, Page #38[ Sample Stories From This Issue | List of All Stories In This Issue | Print this story | Read this issue]
Half-Scale Road Grader
“I took a picture of a grader off the internet that had some dimensions and figured I’d build one half size,” says Hadler. “I tried to draw it half-scale on a piece of cardboard but ended up designing it full size and just kept changing the angles to get it where I wanted. Then I just started cutting tubing.”
The grader is all steel with the front frame made from 3/16-in. walled, 5-in. square tubing. The rear frame is 2 by 5-in., 3/16 and 3/8-in. walled. He found a 5-ft. blade that fit perfectly and installed 12-in. tires normally used on Bobcat loaders.
A local windshield company cut the windows to size after he supplied them with patterns.
Hadler bought a new 19-hp. Briggs & Stratton single-cylinder engine with a bottom electric clutch to run the hydraulic pump so it wouldn’t turn while starting the engine. Valves and cylinders came from a nearby surplus center. One cylinder rotates the blade while the other side shifts it.
“I ended up using Toro zero-turn lawn mower individual trans-axles so I could spread the frame a bit and made some linkage to tie the two drive motors together,” Hadler says. “I didn’t want to put in a regular steering box with a shaft running down the side of the frame, so I found one used on drag-type cars and dune buggies with a center steer rack and pinion. It’s manual but steers easy.”
Hadler estimates he put about $10,000 into the mini road grader over the few months it took him to build. He uses it on his driveway and recently ran it in their town’s 4th of July parade.
Contact: FARM SHOW Followup, George Hadler, 920 Hunts Mill Road, Troy, Mont. 59935 (ph 406-295-9770; firstname.lastname@example.org).
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