Kent modified this puller and developed a procedure to remove the front crank seal race so the job could be affordable from the DIY mechanic. This costs less than half the cost of the factory tool. It is not as fast or as "slick" as the "big boy" but it gets the job done on most front crank seal races on diesel engines from the mid-1960s to the mid-1980s. Watch the video below to learn more. If you have a gas engine the puller is almost the same but machined slightly different to fit through a tighter opening in the engine block. See related products below.
In some cases, a good electric heat gun is needed to make this tool work. This is thoroughly explained in the video instructions.