John Deere 3.152, 3.164, 3.179D, 3029D, 3.179T, 3029T OEM Crankshaft Remachined 10/ST Rods/Mains 3 Cyl Diesel AT18031, T23516, T20031, RE46896 Non PowerTech | Flange: 4-Bolt, 1-Dowel | Snout: 1-Bolt, 1-Key | Stroke: 4.328 in (109.931mm) | Rod Journal: 2.7480-2.7490 in (69.799-69.825mm) | Main Journal: 3.1230-3.1240 in (79.324-79.35mm) | 4 Mains | With Helical Gear