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Dual lift puts wheels on fast
"It allows one man to install or remove a set of tractor duals in less than 15 minutes," says Curtis Grundahl, Dassel, Minn., about the "Dual Lift" he designed with his son Bryce. "It'll work anywhere, on any size tire and we have models to fit any axle."
The Dual Lift consists of two parts a base cable clamp assembly and a hydraulic jack. You first position the dual just over the axle. Next step is to install the base cable clamp assembly onto the axle. It's held in place by a cable which clamps around the outer edges of the axle. (See photo). The hydraulic jack slides back and forth in a groove built into the base cable clamp assembly, making it easy to jack up the wheel and slide it in or out.
The jack that lifts the wheel has a single ball transfer on top which allows you to spin and position the wheel to line up the lug holes while the wheel's on the jack.
Dual Lift weighs less than 30 lbs. and attaches in just one minute using one wrench, says Curtis. A support brace is included for extra support when lifting liquid-filled tires.
You don't need a wheel jack to install or remove outside duals with Dual Lift. Just drive onto a plank with the inside dual.
Sells for $149.95, plus $5.00 for shipping. Special models are available for hub extenders and spacers.
For more information, contact: C & B Grundahl, Rt. 1, Box 149A, Dassel, Minn. 55325 (ph 612 275-3010).

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1985 - Volume #9, Issue #5