The Ryme Worldwide FRU 4 is a heavy-duty roller brake tester designed for permanent in-ground installation in commercial vehicle workshops and inspection lanes.
Engineered for trucks, buses, trailers, and fleet vehicles, this truck roller brake tester delivers accurate brake force measurement, imbalance detection, and repeatable diagnostic results under controlled workshop conditions.
EquipSpecs supplies, installs, and supports FRU 4 systems across Australia.
Learn more about truck roller brake testers and how they are used in Australian workshops.

Why Workshops Choose the FRU 4

- Designed for permanent workshop installation
- Supports heavy vehicle axle loads up to 20 tonnes
- High-traction rollers for reliable brake testing
- Accurate brake force measurement and imbalance detection
- Optional integrated lifting-bed load simulation
- Suitable for trucks, buses, trailers, and articulated vehicles
- Installed and supported by EquipSpecs Australia
Precision Engineered for Heavy Vehicle Brake Testing
The FRU 4 truck roller brake tester is designed to deliver consistent, repeatable brake testing for heavy commercial vehicles operating in demanding workshop environments.
Key performance features include:
• Axle load capacity up to 20 tonnes
• High-precision strain gauge measurement system
• High-grip roller design for heavy vehicles
• Accurate brake force and imbalance analysis
• Integration with workshop inspection lanes
Widely used across inspection lanes and fleet workshops, roller brake testers provide safe, controlled brake testing without road testing.
Optional Lifting Bed Load Simulation

For workshops requiring advanced brake diagnostics, the FRU 4 can be configured with an integrated lifting-bed load simulation system.
Load simulation can help to:
• simulate laden operating conditions
• improve brake performance analysis
• detect braking imbalance more accurately
This capability is particularly valuable in high-capacity workshops and inspection facilities.
Designed for Heavy Vehicle Workshops Using Roller Brake Testers
The FRU 4 truck roller brake tester is commonly installed in:
• Heavy vehicle service workshops
• Fleet maintenance depots
• Commercial vehicle inspection lanes
• Government inspection facilities
• Transport company workshops
• Mining and industrial vehicle workshops
Technical Data – FRU 4 Truck Roller Brake Tester
| Specification | Detail |
|---|---|
| Max load | 20T |
| Engine power (independent) | 2 x 11 kW |
| Test speed | 2.75 km/hr |
| Max/ min track width | 3,100 / 850 mm |
| Voltage | 400v – 50 Hz |
| Protection fuse | 3 x 63 A |
| Thermal protector | 2 x 18 – 25 A |
| Roller diameter / length | 282 / 1,135 (useable 1,135) mm |
| Distance between centre | 485 mm |
| Rear roller lift | 50 mm |
| Dimensions and weight (per frame) | 1,475 x 1,150 x 680 mm 1,150 kg |
| Adhesion coefficient | 0.9 dry 0.7 wet |
| Measurement scale | 0 – 8 kN / 0 – 40 kN |
| Step / measurement error | 0.01 kN / 1% |
| Consumption | 22 / 25 kW |
In-Ground vs Portable Roller Brake Testers
Workshops requiring a permanent inspection lane installation typically choose the FRU 4 system.
For operators requiring flexible deployment across multiple sites, EquipSpecs also supplies the FRU 9 portable truck roller brake tester, designed for mobile and temporary testing environments.
Selecting the Right Roller Brake Tester
Every workshop has different requirements. Our team can advise on in-ground and portable brake testing systems, installation considerations, and the best fit for your operation.
Frequently Asked Questions – FRU 4 Truck Roller Brake Tester
A truck roller brake tester is a workshop-based testing system that measures braking force at each wheel by rotating the vehicle’s tyres on powered rollers while the vehicle remains stationary. This allows heavy vehicle workshops to accurately assess brake performance, detect imbalance between wheels, and identify braking issues without driving the vehicle on the road.
Load simulation is not universally required across all jurisdictions, but it can improve diagnostic accuracy in certain heavy vehicle applications.
In many cases, yes. Suitability depends on pit dimensions, structure, and electrical capacity.
The FRU 4 truck roller brake tester is suitable for trucks, buses, trailers, articulated vehicles, and other heavy commercial vehicles with axle loads of up to 20 tonnes.
Yes. EquipSpecs supplies and supports FRU 4 systems for heavy vehicle workshops across Australia.
A fixed truck roller brake tester, such as the FRU 4, is installed permanently in a workshop inspection lane and is designed for high-throughput testing of heavy vehicles. A portable brake tester, such as the Ryme Worldwide FRU 9, can be transported between sites and deployed without permanent installation. Portable systems are typically used for fleet inspections, temporary testing locations, or mobile inspection operations.
Heavy vehicle workshops use roller brake testers to measure braking performance safely and accurately under controlled conditions. The system allows technicians to assess brake force, detect imbalance between wheels, and identify braking faults before a vehicle returns to service. Roller brake testing improves diagnostic accuracy and supports effective heavy vehicle maintenance.
Discuss Your Truck Brake Testing Requirements
EquipSpecs supplies and supports roller brake testers for Australian heavy vehicle workshops, including in-ground and portable systems designed for fleet maintenance, inspection lanes, and compliance testing.
Contact EquipSpecs Australia to discuss the right solution for your workshop or fleet operation.
Mobile: (+61) 480 851 176
Email: sales@equipspecs.com.au

