G5 Series
SITRAK G5S 8x4 Mixer Cab & Chassis
Purpose-Built for Concrete & Heavy Construction Operations.
The SITRAK G5S 8x4 Mixer Cab & Chassis is specifically engineered for concrete transport
and heavy-duty construction applications. With a high-capacity 8x4 axle configuration,
reinforced frame design and Allison automatic transmission, the G5S Mixer delivers stable
load distribution, reliable torque output and smooth drivability for demanding site environments.
Designed to support concrete mixer body integration, this configuration offers the strength,
balance and durability required for Australian infrastructure and commercial construction projects.
Overview
Built to handle the demanding requirements of ready-mix concrete transport, the G5S 8x4 Mixer Cab & Chassis combines structural strength, balanced axle loading and automatic drivability. Its reinforced mixer-ready chassis and heavy-duty 8x4 configuration provide the stability and durability required for repetitive load cycles and site-based operations.
Applications
- Concrete Mixer Operations — Optimised for ready-mix concrete transport.
- Civil & Infrastructure Projects — Suitable for high-demand construction supply tasks.
- Urban & Regional Building Sites — Designed for stable manoeuvring in tight site conditions.
- Fleet Concrete Transport — Built for high-frequency commercial fleet use.
Key Highlights
7.36L High-Torque Engine
- Engine Model: MC07H.35-61
- Displacement: 7.36L
- Max Power: 254 kW @ 2200 rpm
- Max Torque: 1412 Nm @ 1200–1700 rpm
Delivers consistent torque output required for fully loaded mixer operation.
Allison 4430P Automatic Transmission
- Smooth automatic shifting
- Improved drivability in stop-start site environments
- Reduced driver fatigue
Enhances operational efficiency during repetitive loading and unloading cycles.
Heavy-Duty 8x4 Configuration
- GVM: 31,000 kg
- Front Axle Capacity: 14,000 kg (total)
- Rear Axle Design Load: 18,000 kg (total)
- Main Drive Ratio: 5.29
- Differential Locks: Interwheel & Interaxle
Ensures balanced weight distribution and improved traction on construction surfaces.
Reinforced Mixer-Ready Frame
- Trapezoidal ladder-type chassis
- Main Beam Cross Section: 280 × 80 × 8 mm
- Wide front (940 mm) / narrow rear (850 mm) frame
Engineered to support mixer body mounting and high-load durability.
Suspension & Stability
- Front: Parabolic leaf springs (3/3)
- Rear: 4-bag Hendrickson Comfort Air suspension
Provides enhanced load balance and improved ride control.
Advanced Braking & Safety Systems
- Dual Circuit Compressed Air Brake
- EBS + ESC + HSA
- AEBS + LDW
- Spring Energy Air-Cut Parking Brake
Supports modern safety compliance for fleet and infrastructure projects.
Specifications
Weight & Capability
Dimensions
Tyres & Wheels
Electrical System
Why Choose the G5S 8x4 Mixer?
The SITRAK G5S 8x4 Mixer Cab & Chassis is engineered to meet the demands of concrete and heavy construction transport. With reinforced chassis structure, automatic drivability and high axle load capacity, it delivers the durability and operational stability required for modern infrastructure projects across Australia.
SITRAK trucks in Sydney NSW
RUMBLE Auto is a NSW SITRAK Australia authorised dealer based in the Sydney area, supporting operators comparing SITRAK prime movers, tipper cab & chassis, mixer cab & chassis and cargo cab & chassis configurations. SITRAK has dealer coverage across New South Wales (NSW), Victoria (VIC), Tasmania (TAS), Western Australia (WA), South Australia (SA) and the Northern Territory (NT).