This air compressor system features a 14 HP Kohler CH440 engine with electric key start, mounted on a 30-gallon horizontal tank. It includes a two-stage R15 pump with head unloaders for constant load/no-load operation, enclosed belt guard, intake filter/silencer, and vibration isolators. The R-Series design offers features such as a belt tensioning system with engine slide base, high-mounted pressure gauge, pilot unloader valve for loadless starting, and industrial-duty cogged V-belts for reliability. The splash-lubricated pump includes multi-finned cylinders, integral cylinder/head design, balanced pistons, large capacity crankcase, and oversized main bearings for extended service life.