Case G188D OEM Crankshaft Remachined 30/20 Rods & Mains 4 Cyl Diesel A151015, G11740, G11741, A39151 Two mains with pitting inline with oiler holes, FOR COUNTER SALE ONLY. * Flange: Flat, 4 Bolt Holes, Splined Pilot Hole (13-Splines) * Snout: Threaded, 2 Keyways * Stroke: 4.130" * Rod Journal: 2.0605-2.0615" * Main Journal: 2.8730-2.8740" * 5 Mains * No Gear