# Off-Road Water Tankers | QMW Industries > QMW off-road water tankers deliver 50KL to 150KL dust suppression capacity across the CAT mining fleet. Engineered for weight distribution and stability at full load. Designed, fabricated and tested in Australia since 1984. Water equipment · off-road mining # Off-roadWater tankers Built for the world's largest mining trucks: **50KL to 150KL**dust suppression capacity across the CAT fleet. Engineered for optimal weight distribution and stability under full load. - ISO 9001:2015 certified - AS 1627.2Coating standard - NATAAccredited No. 15369 [Request a quote](#rfq)[View specifications](#specs) Spray commissioning · Acacia Ridge Select machine Technical data ## Specifications by machine Specification CAT 773 / 775 CAT 777 CAT 785 CAT 789 Volume (nominal) 50 KL 80 KL 110 KL 150 KL Overall length 10.8 m 11.0 m 11.9 m 12.5 m Tank width 4.4 m 5.6 m 6.4 m 7.0 m Height 5.6 m 6.1 m 6.4 m 7.2 m Spray bar height 1.9 m 2.7 m 3.0 m 3.1 m Tare mass (tank assembly) 15.5 t 24.0 t 32.0 t 39.0 t Gross vehicle mass (full) 102.0 t 164.7 t 224.0 t 295.7 t Static roll threshold (SRT) 0.43 g 0.43 g 0.51 g 0.50 g SRT category Medium Medium High stability Medium Coating · external AS 1627.2 Class 2.5 grit blast · Dulux Durepon EZP + Weathermax HBR Coating · internal Duremax GFX · stainless steel pipework and fasteners throughout Nominal specifications. Final specs vary with chassis configuration, optional equipment and site requirements. SRT parameters available on request. Standard features ## Built for mine site demands ### Premium cannon system **CAT WDS or 3″ stainless steel ADE** water cannon: high-capacity long-throw spray with full joystick control and adjustable spray patterns. ### GPS spray system **GPS-controlled rear spray** with metered, spot, zig-zag and flood modes. Auto shut-off at low speed, touch display, digital tank gauge, diagnostics and USB data logging. ### Hoist locking pin Front-mounted **electric actuated pin** secures the tank in a roll-over event and prevents hoisting while the tank contains water. ### Split rear pivot Engineered mount allows **lifting and placement without working under a suspended load**, critical for safe, compliant maintenance access. ### Tilt stay bar Provides **additional safety control when servicing in the tilted position**. Stows securely when not in use. Engineered to the same standard as the core module. ### Integrated hydraulics Truck hoist pump supplies hydraulic power via the hoist valve circuit. **All return and case drain oil feeds directly to the CAT hydraulic tank**. No auxiliary reservoir required. ### Cameras and LED lamps **Integrated reverse camera** linked to the truck's on-board display. Rear and forward LED work lamps illuminate the fill funnel and spray bar area. ### Safe tank access **Folding stairs** for compliant roof access. Rated harness anchor points on both tank roof and underside for safe elevated maintenance work. Materials and protection ## Coating system ### Surface preparation AS 1627.2 Class 2.5 grit blast on all carbon steel. Stainless steel pipework and fasteners throughout all fluid circuits. ### External coating Dulux Durepon EZP primer with Weathermax HBR topcoat. Superior corrosion and UV resistance. Custom mine site colours available. ### Internal coating Duremax GFX internal system. Hot-dip galvanised auxiliary fittings. Designed for continuous water contact with minimal maintenance overhead. Optional equipment ## Options and accessories All optional assemblies are engineered to the same durability and safety standards as the core module. Structural integrity and stability characteristics hold throughout. ![Cannon splash guard, part 1-2876-012](/assets/img/tanker-02.jpg) 1-2876-012 ### Cannon splash guard Fabricated steel shield protecting the cannon mount from high-pressure spray and debris deflection during haul cycle operation. ![Level sensor guard, part 1-2876-016](/assets/img/tanker-03.jpg) 1-2876-016 ### Level sensor guard Channel-section guard protecting the tank level sensor and ball valve assembly from impact and operational debris on site. ![Rock ejector assembly, part 1-2876-003](/assets/img/tanker-04.jpg) 1-2876-003 ×2 ### Rock ejector assembly Articulated bar fitted to the tank chassis to clear debris accumulation from between the tank and truck body during haul cycles. Qty Part no. Description 1 1-2876-012 Cannon splash guard 1 1-2876-016 Level sensor guard assembly 2 1-2876-003 Rock ejector assembly 1 1-2876-011 Mudflap assembly 4 1-2876-021 Bin pad assembly 1 1-2876-023 Hoist lock assembly 1 1-2876-008 Cabin guard kit 1 1-2876-031 Top access stairs and gate assembly 1 1-2876-027 Tilt restraint stay bar assembly 1 1-2876-005 Hose reel assembly 1 1-2876-034 Handrail kit 1 1-2876-033 Frame for ADE foam tank Talk to our engineering team for site-specific configuration advice. Additional options available for non-standard applications, factory-fitted or commissioning-ready depending on scope. Product gallery ## In the field ![QMW WT-110KL water tanker on CAT 785, side profile](/assets/img/tanker-05.jpg) WT-110KL · CAT 785 · side profile · Acacia Ridge QLD ![QMW water tanker spray and hydraulic system detail](/assets/img/tanker-06.jpg) Spray and hydraulic system detail ![QMW water tanker at the Acacia Ridge fabrication facility](/assets/img/tanker-01.jpg) Acacia Ridge fabrication facility ![QMW water tanker rear access and fill system](/assets/img/tanker-07.jpg) Rear access and fill system ## Quick reference ### Request a quote Our engineering team responds within 24 hours with pricing and lead time for your application. NATA **NATA-accredited laboratory**Accreditation No. 15369 · since 2006 ISO **ISO 9001:2015 certified**Quality management · since 1997 ME063 **Standards Australia**Committee ME063 member organisation Keep exploring ## You might also need [ The family ### Supex Service & Water Vehicles FLS modules, water tankers, service bodies, tankers, tail gates and agitators. ](/products/service-water-vehicles)[ In this family ### Fuel and lube service FLS-series service modules for CAT and Komatsu dumptruck platforms. ](/products/service-vehicles)[ Product family ### ROPS & FOPS Protective Structures Certified rollover and falling-object protection, destructively tested in-house. ](/products/rops-fops)[ Something else? ### Talk to our engineers Non-standard fleet or requirement? Start the conversation. ](/contact) --- [HTML version](https://www.qmw.com.au/products/water-tankers) · [All pages (llms.txt)](https://www.qmw.com.au/llms.txt) · [Sitemap](https://www.qmw.com.au/sitemap-index.xml)