Crankshaft Reman Cummins 6A, 6A3.4, 3.4L, 210 cid 20/20 Rods & Mains Stroke: 3.622 in (91.999 mm) Rod Size: 2.2037 - 2.2051 in (55.974 - 56.010 mm) Main Size: 2.9917 -2.9925 in (75.989 -76.010 mm) Flange: Lip seal, 6 Bolt Snout: 1 Bolt, Tapered, 1 keyway Notes: A series Parts for Onan L series Power Nat. Gas Power Generator. Bore: 3.5034 -3.5044 in (88.986 -89.012 mm)