CUMMINS 4BT3.9, 125 HP- NEW SURPLUS NEVER USED COMPLETE 4BT3.9, SAE 3, INLINE PUMP 24 VOLT MECHANICAL ENGINE Replacement Engine. SOLD EXCHANGE PLUS $1,000.00 REFUNDABLE CORE DEPOSIT, INCLURES ONE YEAR PARTS WARRANTYUNIVERSAL FIT FOR ALMOST ALL APPLICATIONS. FREIGHT US48 INCLUDED IN PRICE., Engine, NEW