Short answer, NO. Never seen one. To pick up that much weight, it has to be pretty slow, in order to have a lot of lift. Regardless of how slow, it is still faster than a manual crank, and a lot less effort.
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LadyWindrider
2012 Ford F250 ext. Cab 4x4
2002 Jeep Wrangler Sahara
2008 Yamaha V-Star 650 Classic
2008 Work and Play 18LT
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