G Series Two Stage Pumps

Pumps are available in CA Style, K Style Replacement, G Series Single Stage, and G Series Two Stage configurations.
All CAS pumps include the following features:

  • Solid Cast Iron
  • Cast Iron intercooler
  • Cast Iron after cooler
  • Centrifugal Unloaded
  • Disc and Spring Valves
  • Steel connecting rods
  • Needle bearings on wrist pins
  • Oil drain line installed
  • Oil added in front of pump
  • More cooling fins on cylinders
  • Centrifugal unloaderline installed
  • Crank Case vents to intake
  • 175 psimax pressure
  • Max RPM 1150

 

Two Stage Pumps

 

GS-13

 

GS23

 

G13   G23  
HP 3   HP 5-7.5
CFM Delivered @ 175 psi
8 CFM Delivered @ 175 psi
17-22
Pressure 180 psi max   Pressure 180 psi max
Cylinders 3   Cylinders 3
Stroke 48mm   Stroke 60mm
RPM Max 950   RPM Max 950
Weight 65lbs   Weight 127lbs
Flywheel Groove 4/B width   Flywheel Groove 2/A width

 

Two Stage Pumps

 

G-33

 

G43

 

G33   G43  
HP 7.5-10   HP 10-15
CFM Delivered @ 175 psi
24-35 CFM Delivered @ 175 psi
35-55
Pressure 180 psi max   Pressure 180 psi max
Cylinders 3   Cylinders 3
Stroke 70mm   Stroke 80mm
RPM Max 950   RPM Max 850
Weight 259lbs   Weight 335lbs
Flywheel Groove 3/B width   Flywheel Groove 3/B width