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Self Propelled High Clearance Sprayer
"We used it last year to do all our fall desiccation and to spray for leaf diseases. It worked great," says Bruce Christopher, Russell, Manitoba, about the self-propelled high clearance sprayer that he and his father Alan built out of an old International combine and an old International truck frame.
The sprayer is equipped with a 64-ft. boom and 750-gal. tank and has 36 in. of clearance under the frame. Power is provided by a 345 cu. in. gas engine.
The Christophers started with an Inter-national 915 combine and stripped it down to the cab, drive train, and radiator. They then stripped the old International truck frame down to the front springs and frame and widened it to 4 ft. to make room for the combine's hydraulic pump. They used 6-in. sq. steel tubing to build the rear axle and mounted the differential and transmission on it. They used 1-in. thick steel plate to make mounting plates for the differential and welded them onto the axle which is equipped with big 12.4 by 46 tires. The front axle is made out of 4-in. sq. steel tubing and mounts on the truck springs.
The boom can be hydraulically adjusted from 28 to 82 in. high. There's a 6-ft. break-away section on each end of the boom and the two outer sections fold hydraulically for transport. "Bicycle wheels that mount 6 ft. from each end of the boom keep it level on uneven ground," says Christopher.
"We use an MT 3000 rate controller which allows us to spray at speeds of 6 to 12 mph. Most of our fields are about 130 acres and we can usually spray them with only one refill. We kept most of the combine controls and had to add three more re-mote outlets which wasn't a big problem. The cab has air conditioning and a charcoal filter so the operator stays comfortable. The hood tilts forward for easy access to the engine. The engine is mounted just like it would be in the truck except that the gear-box and hydraulic pumps are on the back side of it."
Contact: FARM SHOW Followup, Bruce Christopher, Box 344, Russell, Manitoba, Canada R0J 1W0 (ph 204 773-3850).


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1997 - Volume #21, Issue #2