Quincy 5120 Deutz Diesel Low Pressure Compressor

For the production of low pressure breathing or industrial air, the Quincy 5120 diesel compressor package rated for 95 CFM (2690 L/min) at 175 psi (12 bar). Proven dependability and an industry workhorse, this is the standard compressor in many dive companies wordwide. Our framed package includes a 5120 compressor block with head unloaders, a Deutz diesel motor, fuel tank, electric start, breathing air filtration, dual 60-gallon tanks mounted in powder coated steel frame with fork lift slots and four-point lifting eyes.



  • Air cooled Deutz D2011C031 diesel engine
  • Hayes PTO and bearing block
  • Full instrument panel
  • 15 gallon fuel tank
  • (2) ASME rated 60 gallon volume tank
  • Hankinson filtration to 0.003 ppm oil vapor
  • 4 diver manifold
  • Simple to operate, reliable and versatile
  • Heavy-duty powder coated offshore frame with vibration-isolated inner frame
  • Primary fuel filter


  • Low pressure regulator for downstream pressure
  • CO, CO2 or O2 analyzers
  • Audible and visual high temperature alarm
  • Low oil shutdown
  • Canvas cover
  • Air start or 12 V electric start
  • Low air pressure alarm
  • Low pressure auto switch to emergency backup


Charging Rate 95 CFM (2690 L/min) @ 175 psi (12 bar)
Engine Diesel
Engine Power 48 hp (36 kW) @ 2800 RPM
Max Operating Pressure 200 psi (14 bar)
RPM 1040
Number of Stages 2
Lubrication Pressure
Air Quality Grade D Breathing Air
(L x W x H)
96 x 55 x 48 in
(1244 x 140 x 122 cm)
Weight 2750 lb (1247 kg)