Brand New Surplus Component Build Cummins 4B Long Block Diesel Engine
These component build surplus long blocks are perfect for a replacement 4BT (3.9L) in the field that needs extended service life. We offer 3 different versions of the standard long blocks which have slightly different gear housing for the Inline or Rotary Pump Applications including: Rotary VE, Inline - P7100 Housing 35°, Inline - A Housing 25°, A Housing 35°. Give us a call and we can match up your particular engine to the correct fitting 4B Long Block to meet your application.
Parts List: • New Cylinder Block • New Cylinder Head • New Crankshaft • New Camshaft • New Followers/Lifters • New Pistons • New Liners • New Rings • New Connecting Rods • New Intermediate Cover • New Timed Front Gear Group • New Oil Pan • Long block is (3/4 Engine Assembly) • Mechanical Setup (No ECM or Aftertreatment) • Specific Housing Setups (Fits Industrial or Automotive Inline "A" or "P" Fuel Pump) • No Core Charge for Standard Long Block Castings • 12 Months Parts Replacement Warranty • Optional 1 and 2 Year Extended Parts/Labor Warranties Available Specs: Weight: 562 lbs Configuration: Inline 4 Cylinder (3.9 L) Displacement: 3.9 Liters, 239 cu in Horsepower: 105 HP @ 2300 RPM Torque: 265 ft/lbs @ 1600 RPM You’ve come to the right place for all of your heavy duty diesel engine needs.We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. We are machine shop guys and guarantee the workmanship of all of our engines including: Cummins 4B (3.9 L) - Long Block Diesel Engines (Inline A or P Pump Setup).