CATERPILLAR , (GOOD USED/ RUN TESTED) 2012 Caterpillar C4.4 ACERT Diesel Engine Hydraulic Power Unit with DPF Filter (TIER 4), Serial # 44801203, AR # 376-1313, Displacement 4.4L, 174HP @ 2200RPM, Oilgear PVWH-34- LSAS-CNNN, Oil Loop Pumps, Funk Drivetrain Model 28102CE Hydraulic Pump Drive, visit JJREBUILDERS for more information on this and any other diesel engine you may be looking for. Call 786-377-5210 for more information. REF INV # 004882