NOTE: Price listed is for reference only and is subject to change. Please call toll-free 1-800-282-9319 for current price and availability. Additional core charge of 2000.00 not included. Remanufactured Cummins 4B/3.9L Complete Drop-In Engine 55E6D135B 1984-1996 135HP @ 2200 RPM, HMFO Turbo, Std. Front Pan, Rotary VE Pump, 24 Volt Ordering Instructions: Provide Engine Serial and CPL Number Call us toll-free 1-800-282-9319 for ordering assistance and complete warranty information.