Comet ZWD 4040 G: 4000 psi @ 4 US gpm, 1-in Shaft Pressure Washer Pump

The Italian-made Comet ZWD 4040 G is a full-speed (3,400 rpm) premium pump for gasoline engines with 1″ shafts.

• Designed with premium features for optimal efficiency and durability, this Comet pump boasts a robust brass head and increased fin depth that maximizes surface area for superior heat dissipation.
• Equipped with stainless steel unitized check valves and heat-resistant solid ceramic plungers operating on lubricated packings for enhanced longevity.
• The reinforced crankcase increases load capacity, while the enlarged crankcase improves oil capacity, ensuring better lubrication and lower operating temperatures.
• The one-piece industrial-grade oversized bronze connecting rods provide the strength and reliability you need for demanding cleaning tasks
• The adjustable chemical injector allows easy and flexible application of cleaning solution
• VRT Unloader for easy pressure adjustment

Model: ZWD 4040 G
Pressure: 4000 psi (275 bar)
Flow rate: 4.0 US gpm (15.1 L/min)
Power: 13 hp
RPM: 3400
Shaft size (diameter): 1″
Shaft style: Hollow shaft for gas engines
Inlet: ½″
Outlet: ⅜″
Pump head: Brass
Oil capacity: 14 fl oz 
Weight: 18 lb