G5 Series
SITRAK G5S 6x4 Cargo Cab & Chassis
Heavy-Duty Versatility for Construction & Fleet Operations.
The SITRAK G5S 6x4 Cargo Cab & Chassis is engineered for demanding commercial
applications requiring higher payload capacity and durable driveline performance.
Designed for construction transport, bulk freight and fleet logistics, the G5S 6x4
combines a powerful 7.36L engine, automatic Allison transmission and heavy-duty
chassis configuration to deliver reliability, control and long-term operational efficiency
across Australian conditions.
With reinforced frame construction, air rear suspension and advanced braking systems,
the G5S 6x4 provides both stability under load and comfort for daily commercial operations.
Overview
Built to carry more and work harder, the G5S 6x4 is a heavy-duty cab & chassis platform for operators who need reliable traction, stable load handling, and body-builder flexibility. It’s a strong fit for construction-focused builds, regional freight, and high-utilisation fleet work.
Applications
- Construction & Building Materials Transport — Ideal for tray bodies, tippers, service bodies and trade applications.
- Regional Freight & Bulk Distribution — Suitable for medium-to-heavy regional freight tasks.
- Fleet & Government Contracts — Built for reliability in high-utilisation fleet environments.
- Body Builder Flexibility — Compatible with multiple body configurations for industry-specific customisation.
Key Highlights
Proven 7.36L Powertrain
- Engine Model: MC07H.33-61
- Displacement: 7.36L
- Max Power: 240 kW @ 2200 rpm
- Max Torque: 1322 Nm @ 1200–1700 rpm
Provides strong mid-range torque for stable load carrying and controlled acceleration.
Allison Automatic Transmission
- Model: Allison 3200P
- Smooth automatic shifting
- Improved drivability in stop-start urban and construction environments
Enhances driver comfort and reduces fatigue during daily operations.
Heavy-Duty 6x4 Driveline
- GVM: 25,000 kg
- Front Axle Design Load: 7,000 kg
- Rear Axle Design Load: 18,000 kg
- Main Drive Ratio: 4.63
- Differential Locks: Interwheel & Interaxle
Designed for improved traction and load stability on varying road conditions.
Reinforced Ladder-Type Frame
- Main Beam Cross Section: 280 × 80 × 8 mm
- Frame Width: Front 965 mm / Rear 850 mm
- Wide-front, narrow-rear trapezoidal frame design
Optimised for strength and body mounting flexibility.
Air Suspension Stability
- Front: Parabolic Leaf Springs
- Rear: 8-Airbag Suspension System
Provides improved ride comfort and better load protection.
Advanced Braking & Safety
- Dual Circuit Compressed Air Brake
- EBS + ESC + HSA
- AEBS + LDW
- Spring Energy Air-Cut Parking Brake
Supports safer fleet operations and compliance with modern safety standards.
Specifications
Weight & Capability
Dimensions
Tyres & Wheels
Electrical System
Why Choose the G5S 6x4?
The SITRAK G5S 6x4 Cargo Cab & Chassis offers the ideal balance between payload capacity, automatic drivability and chassis durability. Designed for construction, logistics and commercial body applications, it delivers reliable performance while maintaining operational efficiency and fleet cost control.
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).
