First Drive: 2025 SITRAK G5S 8×4 Agitator Raises the Bar for Australia’s Concrete Sector
The new 2025 SITRAK G5S 8×4 Agitator is setting a new benchmark for concrete delivery in Australia, combining more power, upgraded safety systems, and enhanced driver comfort. Discover why it’s becoming the industry’s truck of choice.
Built for Australian Concrete Demands
The nation’s construction and concrete sectors require vehicles that can stand up to punishing workloads. Enter the brand-new 2025 SITRAK G5S 8×4 Agitator—a robust cab chassis engineered for local conditions and rapidly becoming a top choice across the country.
This latest upgrade of City Fleet Sitrak’s best-seller brings together stronger performance, refreshed interior design, Euro 6 compliance, and comprehensive support.
“The 2025 SITRAK G5S 8×4 Agitator makes its debut as a purpose-built solution for Australian concrete operators—offering durability, improved emissions standards, and superior long-term support.”
Why the G5S 8×4 Is Winning Over Fleets
The G5S has quickly gained a reputation as one of the most dependable agitator trucks on the market. Built specifically for the demanding nature of agitator operations, the 2025 version provides exceptional uptime, simple maintenance, and reduced whole-of-life costs.
Core Benefits:
- Tough enough for Australia’s harsh site conditions
- Backed by growing trust among concrete suppliers nationwide
- Configured directly for agitator applications
- Lower cost of ownership with strong value return

“Holcim’s growing fleet of SITRAK Agitators reflects strong industry trust in the model’s performance, uptime, and value.”
Key Enhancements in the 2025 Edition
The newest G5S pushes forward with several notable updates, making it cleaner, stronger, and more efficient.
Highlights:
- Euro 6 Engine – full emissions compliance
- 350 HP Output – up from 330 HP
- DPF Integration – supporting urban-friendly operation
- Modern Dashboard – clearer, driver-focused layout
- Comfort Upgrades – quieter cabin, refined seating, improved A/C

“The 2025 SITRAK G5S 8×4 features a refreshed design, improved power, and driver-centric upgrades—marking a bold step forward in performance and comfort for Australia’s concrete fleets.”
Exclusive Walkaround Video Release
See the G5S in action with a complete walkaround video showcasing design, cabin, and key performance features.
Included in the Video:
- Exterior cab and chassis overview
- Redesigned interior controls
- PTO and hydraulic setup
- Agitator body compatibility
- Key upgrades vs earlier models
“Watch the full walkaround video of the 2025 SITRAK G5S 8×4 Agitator to explore its standout features, interior upgrades, and robust chassis built for the toughest concrete jobs.”
Powertrain & Performance You Can Rely On
Underneath, the G5S delivers the strength and flexibility required for heavy concrete work.
Performance Specs:
- 350 HP Euro 6 diesel engine
- Optimised torque for start-stop, high-payload jobs
- Heavy-duty transmissions matched for agitator applications
Agitator Ready Features:
- PTO-ready design
- Reinforced chassis for mixer fit-outs
- Flexible fuel and AdBlue placement
Advanced Safety for City & Site Work
Operating in urban environments demands smarter safety. The G5S integrates both standard and optional systems to protect drivers and workers.
- Electronic Braking System (EBS)
- Stability Control (ESC)
- ABS & trailer braking
- Blind spot mirrors
- Rear-view cameras (optional)
- Hill Start Assist

“The G5S cab is built with safety at its core—featuring advanced systems like EBS, ESC, and optional rear-view cameras to support operators in demanding urban and jobsite environments.”
A Cabin Designed Around the Driver
Fleet productivity starts with the driver, and the G5S takes comfort seriously.
Cabin Upgrades:
- Digital instrument cluster with dual displays
- ISRI seating with lumbar, heating, and vibration support
- Low-noise insulation
- Refined airflow & A/C system

“Step into the redesigned G5S cabin featuring a digital instrument cluster and dual display setup that elevates visibility, safety, and driver confidence on the job.”
Tailored Solutions for Concrete Operators
Built with flexibility in mind, the G5S works with STG, Hyva, and other body manufacturers.
- Pre-drilled chassis for quicker fit-outs
- Rear PTO options
- Flexible axle spacing
- Durable tank and suspension configurations
The City Fleet Sitrak Support Advantage
Owning a SITRAK means more than just buying a truck—it’s about gaining reliable support.
- 3-Year / 600,000 km full warranty
- 3-Year / 1,000,000 km driveline coverage
- Nationwide service support
- 24/7 roadside assistance
- Finance & aftersales packages available
Who the G5S 8×4 Is Built For
The 2025 G5S is the right choice for:
- Concrete batching plants
- Civil & construction contractors
- Fleet operators (metro & regional)
- Owner-drivers chasing long-term dependability

“Tailored for batching plants, fleet operators, and contractors alike. The G5S 8×4 Agitator delivers standout performance with unmistakable presence, as shown here in Readymix’s striking fleet livery.”
Pricing, Delivery & Next Steps
The 2025 SITRAK G5S 8×4 Agitator is available now through City Fleet Sitrak.
- Request a tailored quote
- Book a demo or viewing
- Explore finance & delivery options
- Visit the official product page or contact your local dealer
Closing Thoughts: Engineered for Australian Conditions
With more power, Euro 6 compliance, advanced safety, and a redesigned driver-first cabin, the 2025 SITRAK G5S 8×4 Agitator isn’t just an update—it’s a new standard for concrete delivery in Australia.
“Ready to step up to the next level of agitator performance? The Sitrak G5S is waiting.”
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