Air Brake Compressor Wabco 9121400150 for Cummins Article number: 9121400150, 912 140 015 0 Specification: Size (mm x mm x mm):226 x 120 x 217 Crankshaft thread: M20 x 1.5 LH Max. working pressure: 14.0 bar Operating speed: 3000 (1/min) Piston diameter: 85.0 mm Piston stroke: 56 mm Port thread: 3/4" - 14 NPTF Port thread2:M26 x 1.5 Port thread4:M10 x 1.0 Port thread 8.1: Ø 4 mm Port thread9:2x 1/2" - 14 NPTF Sweep volume ( ^cm3 ):318 cm3 Estimated volume (dm³):5,885 Applications: For Cummins