Universal Cylinder Liner Puller for Cummins CAT Mack, 3-7/8″ to 6-1/4″ Bore Diesel Engines – Replaces PT-6400-C M50010-B (Engine Puller). 【MAXIMUM COMPATIBILITY】 Cylinder Liner Puller Fits Cummins, CAT (3176/3196/3300/3400/3500/C10-C16), Mack, Volvo, Detroit Diesel & Maxxforce Engines (DT360/DTA466/DT466E/DT530E/HT570).