AIR COMPRESSOR FOR A VEHICLE AIR BRAKING SYSTEM

A vehicle air compressor comprises a crankcase having a longitudinal central axis. The vehicle air compressor also comprises a head assembly including (i) a rear face that lies in a plane transverse to the longitudinal central axis of the crankcase, (ii) an air inlet port oriented in the same plane as the rear face, (iii) an air outlet port oriented in the same plane as the rear face, (iv) a coolant inlet port oriented in the same plane as the rear face, and (v) a coolant outlet port oriented in the same plane as the rear face.