Pulls seized U-joint bearing cups from Class 4-6 medium-duty truck and bus driveshafts with a 1/2 in impact wrench, no hammering or heat needed.
The OEMTOOLS 24548 is a forged-steel U-joint puller sized for Class 4-6 medium-duty trucks, buses, and farm equipment - the intermediate size between light passenger-vehicle pullers and full semi-truck tools. It pulls bearing cups with an outside diameter from 1.25 to 1.7 inches straight out of the yoke instead of relying on a hammer or a torch.
On the bench, you thread the puller over the yoke, seat the forcing screw against the bearing cup, and tighten it down with a 1/2 inch drive impact wrench (or a breaker bar for stubborn ones). The frame reacts the load against the yoke ears so the cup comes out straight, without bending the yoke or marring the driveshaft the way improvised methods can. It will not press a new joint back in - that still takes a vise, a press, or a hammer and socket - but for driveline teardown on medium-duty trucks it saves a trip to a machine shop.
This is the Class 4-6 size in the OEMTOOLS puller lineup; a smaller Class 1-3 version and a larger Class 7-8 semi-truck version are sold separately for other bearing cup diameters.
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