The ESCO Pro Series Pitman Arm Spreader for Heavy Duty Trucks (Model 40318) is universally designed to fit all trucks 2 ton up to semi trucks including Chevy 3500/5500, Dodge Ram 3500/5500, Ford F-350/550, Isuzu NPR, Kenworth, Peterbilt, Freightliner, Mack, Volvo and many other class 3-8 transportation trucks and transportation equipment. Designed as an easy and versatile heavy-duty slip-on pitman-arm spreader, this tool can be used with up to a 1/2 in. impact wrench, hand ratchet or breaker bar. The versatility of this tool allows for simple fitting on a wide range of pitman arms and is manufactured with the highest-strength steel components to ensure longevity and reliability.