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Deere "Auto Steer" Works On International Tractor
With a few simple changes, Robin Miller installed a GreenStar GPS receiver and Deere AutoTrac Universal (ATU) steering unit on his 7120 Magnum IH. Miller was already using GreenStar GPS and ATU on his Deere combine and sprayer. Using the one from the sprayer on his 7120 Magnum would double his use from that investment with a technology he already knew.
“I try not to buy anything new that doesn’t integrate with the system I already have,” says Miller. “ I don’t like having to learn a new system.”
The Deere ATU includes a steering wheel and a motorized unit that turns the wheel according to GPS signals, as well as an anti-rotation device to hold the ATU stationary while it turns the wheel.
The anti-rotation device attaches to the steering column on Deere tractors with U-bolts. A steel rod extends along the column to attach to the ATU. However, the device wouldn’t fit the Magnum steering column.
So Miller installed a muffler clamp at the base of the steering wheel shaft and ran a 1/4-in. steel bar from it to the ATU motorized unit to stabilize it.
Miller did have to give up the Magnum’s telescoping steering wheel to use the ATU. However, the benefits of working with a system he and his neighbors all used made up for the inconvenience.
“I had my neighbors on speed dial in case I needed to compare notes as I made the modifications,” he says. “With the adapter, I can move one system back and forth from the Haggie sprayer to the Magnum.”
Contact: FARM SHOW Followup, Robin Miller, 2111 W. Perry Rd., Ligonier, Ind. 46767 (ph 260 894-1573).



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2011 - Volume #35, Issue #5