This is a Brand New Komatsu S4D106 engine for sale for Komatsu BM393 Hydra Screen, BM595 Hydra Screen, BM798 Hydra Screen, PC95R-2 Excavator, PW95R-2 Excavator, PC110R-1 Midi Excavator, PW110R-1 Mobile Excavator, WB140-2N Backhoe, WB140PS-2N Backhoe, WB150-2N Backhoe, WB150AWS-2N Backhoe, WB150PS-2N Backhoe, WB91R-2 Excavator, WB93R-2 Backhoe, WB97R-2 Backhoe, WB97S-2 Backhoe, WB98A-2 Backhoe, WB140 & WB150 backhoe.