What is water truck cannon

Feb 09, 2026

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Introduction
 

Water truck cannon (also commonly called a water truck monitor or roof-mounted water cannon) is a high-flow water discharge device installed on top of a truck or tanker. You'll see these a lot in firefighting, mining, dust control, and emergency response.

 

  • A high-capacity water monitor mounted on a water truck
  • Can project water (or foam, depending on setup) long distances
  • Usually adjustable in horizontal rotation and vertical elevation
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   Purposes

01

Firefighting

Wildland fires, industrial fires, roadside fires.

02

Dust Suppression

Mining sites, construction roads.

03

Cooling & Washing

Hot equipment, coal piles, material handling areas.

04

Emergency Control

Containing flare-ups or preventing fire spread.

 

Typical Features

 

Flow rate: 600 L/M.

Throw range: 35M (or more, depending on pressure/nozzle)

Operation: Electric or hydraulic remote control (cab-controlled)

 

Materials:

 

Aluminum alloy (lightweight)

Brass (durable)

Stainless steel (corrosion-resistant)