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  • 150 PSI max pressure delivery
  • 2400 PSI max hydraulic pressure
  • 12 GPM hydraulic flow at 1650 RPM
  • Pressure lubricated oil pump with splash lubrication
  • Integrated compressor hydraulic cooler
  • Low oil level and pressure shutdown
  • SAE 10 (supply) and SAE 16 (return) port sizes
  • Auto start/stop
  • Auto head unloader
  • Intermittent duty cycle


BOSS Industries BA440 hydraulic piston air compressor is the ideal solution for mechanics trucks and tire service professionals. The aluminum, single stage, V4, pressure and splash lubricated reciprocating air compressor is the core of the system. The compressor assembly offers lighter weight and higher thermal efficiency than cast iron compressor assemblies on the market today. The BA440 includes an internal oil pump for increased lubrication over that of splash lubrication only compressors. All routine maintenance is easy and accessible without having to remove the canopy.

The BA440 offers a variety of outputs from 8 GPM to 12 GPM to meet your demands. The supply line is SAE 10 and the return line is SAE 16 for better flow rate. An integrated hydraulic system cooler, integrated solenoid and relief valve, and 12 VDC fan assembly are included as standard.

CFM/PSI Input RPM GPM Hydraulic PSI
30/100 (150 max) 1150 8 2100 (2400 max)
35/100 (150 max) 1400 10 2100 (2400 max)
40/100 (150 max) 1650 12 2100 (2400 max)