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Diesel Engine Torque Specs

We've added torque specs to hundreds of engines. Look for this logo on select engine kits.



Engine Bearing Failure Analysis

Want to know why your engine bearing failed? We have you covered.



Caterpillar Seal Dimensions

Need dimensions? We have dimensions for popular crankshaft, engine & king pin seals.

About Heavy Duty Pros

Heavy Duty Pros is the industry's leading provider of affordable, high quality aftermarket parts for tractors, combines, semis, trucks, generators or industrial engines. Whatever heavy duty application you're working on, we have you covered. HDP carries components for all of today's popular makes and models, including Caterpillar, Cummins, Detroit Diesel, John Deere, Mack, Mitsubishi, International Navistar, Perkins and many more. 

Whether it's basic maintenance or a full blown engine swap, you'll find that we are the one stop solution needed to get back up and running in no time. 

We're the best at what we do thanks to decades of in-house heavy duty machining and engine repair experience. Our technicians utilize the best technology and parts look up / specification software currently available. Need help? Give us a call at 315-475-9893. You’ll immediately be connected to an experienced human. We’ve been repairing engines since we could hold a wrench, and love talking engines!

Heavy Duty Parts