Crankshaft New Caterpillar 3406A, 3406B W\G Sanz Premium Stroke: 6.500 in Rod Size: 3.8192-3.8208 inMain Size: 4.7492-4.7508 in Flange: Centering Ring, 12 Bolt Holes Snout: 12 Bolt Holes, 1 Dowel Hole Notes: Early Style. For engines with rod bearing length of 1.535 in.
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