COMET ZWD Series Pumps


Upgrade your pressure washing capabilities with our high-performance Comet ZWD Series Triplex Pumps, the ZWD4040G and ZWD5030G. Delivering discharge pressures of 3,000 to 4,000 PSI and 4.0 to 5.1 GPM, making them perfect for tough cleaning tasks.


COMET ZWD SERIES Pumps- 3000 to 4000 PSI – 4 to 5 GPM – 1″ Shaft

Experience the superior performance and durability of our Comet ZWD Series Triplex Pumps, featuring the ZWD4040G and ZWD5030G models. These high-quality pumps are designed to handle your toughest pressure washing tasks with ease.

The ZWD4040G delivers a maximum volume of 4.0 GPM and a maximum discharge pressure of 4,000 PSI. It’s designed for direct drive with a gas flange between 6.5-14.5 HP SAE, with a maximum pump speed of 3400 RPM. The pump features a 1” hollow shaft diameter, perfect for heavy-duty applications​.

On the other hand, the ZWD5030G is built with a brass head, which increases heat dissipation, improving pump longevity. It boasts a 1″ horizontal, hollow shaft, a maximum pressure of 3,000 PSI, and a maximum volume of 5.1 GPM​​.

Both models are built with Comet’s reliable engineering and are ideal for professional pressure washing, ensuring efficient and smooth operation. Upgrade your pressure washing capabilities with the Comet ZWD4040G and ZWD5030G triplex pumps!

Additional information

Weight 18 lbs
Dimensions 15 × 12 × 8 in

ZWD4040G, ZWD5030G