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SP Spray Rig Built From Three Combines
Hundreds of spray rigs have been built out of combines over the past few years. We recently tracked down an Illinois farmer who took the idea one step further. He built a high clearance spray rig out of three combines.
Charles Corzatt and his hired man, Greg Deitrich, built the sprayer last winter. It's equipped with a 60-ft. boom.
"Not only can we cover a lot of ground - 50 acres in an hour and a half - but it frees up the tractor we used before to pull our 45-ft. sprayer," says Corzatt.
The men started with two IHC 715 combines Corzatt bought for the project and the rear axle off a New Holland TR 70 combine a neighbor gave him. They used the front axle and cab off one of the 715's and the motor and hydrostatic drive off the other.
They built a frame out of two 24-ft. lengths of sq. tubing and mounted the IHC combine motor on the rear, using the original engine frame off the combine to support it. They mounted the cab up front on semi truck air bags.
They fitted front rims with high profile 13.6 by 38 in. tires, which improve flotation, and back rims with 12 by 38-in. tires. The rear axle off the New Holland combine mounts on a bolster, same as used on a combine rear axle, to allow wheels to rock independently over rough terrain. A 750-gal. Raven spray tank mounts ahead of the engine, while a 200-gal. rinse tank mounts just behind the cab.
A new Hardy 60-ft. hydraulic fold boom mounts on front, fitted with a Smucker foam marker system. The original combine reel drive drives the spray pump, which mounts halfway back under the catwalk on left side of the machine, and functions are controlled from the cab with a Micro Track monitor.
"Making linkages between the motor and cab and redoing the wiring was the hardest part of the project," Corzatt says. "Basically, it was just a matter of a lot of measuring, but it was time-consuming. The rewiring alone took a week."
Out-of-pocket expense was about $10,000, including boom, spray tank and new rims and tires.
Contact: FARM SHOW Followup, Charles Corzatt, R.R. 1, Box 214, Stronghurst, Ill. 61480 (ph 309 924-1403).

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1998 - Volume #22, Issue #5