Spec Sheet
SPECIFICATIONS
20 mm bore / 12 mm stroke
DIMENSIONAL DRAWING
FEATURES
• The preferred pump frame in the pressure
cleaning industry
• Forged brass manifold with an exclusive lifetime
warranty
• Large-capacity, die-cast, anodized aluminum
oil-bath crankcase
• Over-sized connecting rods for maximum life
• Heavy-duty tapered roller bearing
• Solid ceramic plungers with continuously
lubricated packings
• Unitized stainless steel inlet and discharge valves
• Easy view oil gauge from back and side of pump
Pump Model HP4040
Maximum Volume (GPM) 4.0 4.75
Max. Discharge Pressure (PSI) 4000 3500
Maximum Pump Speed (RPM) 1450 1750
Maximum Inlet Pressure 125 PSI
Maximum Inlet Vacuum 9 ft. water (7.9 in. Hg)
Bore .787 in. / 20 mm
Stroke .472 in. / 12 mm
Crankcase Oil Capacity 40.6 oz.
Maximum Fluid Temperature 165°F
Inlet Port Thread 1/2-14 BSPP-F
Discharge Port Thread 3/8-19 BSPP-F
Shaft Diameter .945 in. / 24 mm
Weight 32 lbs.
Dimensions 12.2 x 9.2 x 6.9 in.


