Engine Model:Compatible with Kubota Bobcat D1703 D1703E Engine. 1 PCS D1703 crankshaft. Compatible with Kubota D1703 D1703E Engine L2501D L2501F L2501H L3540GST L3540HST L3540HSTC Tractor. Compatible with Kubota D1703 D1703E Engine L3300 L3400 L3430 L3300DT L3410DT L3300F Tractors.