Brisbane, Australia — City Fleet Sitrak has officially unveiled its latest ready-to-work solution, the Sitrak G7S 8x4 Water Truck TAS HydroMax, engineered to meet the growing demands of Australia’s civil construction, mining, and infrastructure sectors.

Purpose-built for harsh Australian conditions, the new 8x4 water truck combines high-capacity performance, advanced spray technology, and operator-focused safety features—positioning it as a powerful solution for dust suppression, roadworks, and large-scale site management.

Engineered for Performance and Reliability

At the core of the HydroMax is a robust 540HP MC13 engine paired with a ZF 12-speed AMT transmission, delivering the torque and efficiency required for heavy-duty applications. With a Gross Vehicle Mass (GVM) of 31,000 kg and Gross Combination Mass (GCM) of 75,000 kg, the truck is built to handle demanding workloads with ease.

The integrated 17,000-litre stainless steel tank, complete with anti-surge technology, ensures optimal water transport and stability across uneven terrain—critical for both safety and operational efficiency.

Advanced Water Delivery System

Designed for precision and versatility, the HydroMax features a fully integrated hydraulic spray system, including:

  • Dual cabin-controlled water cannons
  • Remote-controlled spray functionality
  • Automatic directional spray control
  • Duckbill spray heads for wide-area coverage
  • Rear spray bars and dribble systems
  • 50-metre electric hose reel for flexible deployment

This multi-point spray capability allows operators to efficiently manage dust suppression, soil compaction, and water distribution across a variety of environments.

Safety and Operator Comfort at the Forefront

The G7S platform prioritises driver safety and comfort with a comprehensive suite of advanced technologies, including:

  • Adaptive Cruise Control (ACC) and Advanced Emergency Braking (AEB)
  • Electronic Braking System (EBS) and Stability Control (ESC)
  • 360-degree camera system for enhanced visibility
  • ISRI heated and cooled driver seat
  • Spacious cabin with integrated fridge and cooling system

These features are designed to reduce driver fatigue while improving on-site awareness and operational safety.

Built for Australian Industry

According to City Fleet Sitrak, the HydroMax has been developed with direct input from operators and fleet managers, ensuring it meets real-world performance expectations across industries.

From road construction and infrastructure projects to mining and remote operations, the truck’s rugged design and intelligent engineering provide a dependable solution for businesses seeking uptime, efficiency, and long-term value.

Backed by Nationwide Support

Each Sitrak G7S 8x4 Water Truck TAS HydroMax is supported by:

  • 3-year / 600,000 km warranty with extended coverage options
  • Nationwide service network
  • 24/7 roadside assistance

This comprehensive aftersales support ensures operators can rely on consistent performance and minimal downtime throughout the vehicle’s lifecycle.


Commercial vehicles are a serious investment, and getting truck finance right matters when your livelihood depends on keeping vehicles on the road. Credit One specializes in transport operators and understands what you're dealing with. As Australia's best-reviewed finance broker with 3,000+ Google reviews from operators nationwide, they've proven the approach works. Check out Credit One reviews to see for yourself, then use the loan repayment calculator to understand your options.