Audited Supplier
Queeny Hydraulic Retarder
Diesel Vehicles
All-Wheel Drive
Fuel-Efficient, Performance-Oriented
H-pattern
Steel
10-speed
Multi-Plate
Mechanical
AMT Transmission
2 Years
Economy, Safety and Driving Comfort
3200 Nm
Compressed Air
Heavy Truck
2650rpm
6.8 L
45kg
40*40*40cm
Queeny
Wooden Box
40*40*40cm
China
8708309500
Product Description
Hydraulic Retarder Technical Overview & Application Guide
(Professional Technical Documentation)
1. Product Overview
The Hydraulic Retarder (also known as a hydrodynamic retarder) is an advanced auxiliary braking system that converts vehicle kinetic energy into thermal energy via fluid dynamics, enabling controlled deceleration without mechanical wear. It is widely used in heavy-duty vehicles and industrial machinery to enhance safety, reduce main brake wear, and improve operational efficiency47.
2. Technical Parameters Table
| Parameter | Specification | Notes |
|---|---|---|
| Max Braking Torque | 3,500-4,500 Nm | Adjustable via oil pressure and flow310 |
| Power Dissipation | Up to 600 kW | Dependent on rotor speed and oil volume5 |
| Operating Temperature | -40°C to +150°C | Integrated cooling system for heat dissipation4 |
| Weight | 45-85 kg | Compact design for easy integration3 |
| Fluid Capacity | 8-15 L | Compatible with standard hydraulic oils2 |
| Response Time | <0.3 seconds | Instantaneous torque delivery10 |
| Control Interface | CAN bus/Electric proportional valve | Supports seamless vehicle integration3 |
3. Primary Application Fields
- Commercial Vehicles
- Mining Trucks: Controls speed during downhill operations in high-load conditions (e.g., 30-ton dump trucks)57.
- Long-Distance Buses: Ensures stable braking on mountain roads, reducing driver fatigue3.
- Industrial Machinery
- Cranes & Excavators: Provides precise load control during lifting/hoisting operations2.
- Power Generators: Stabilizes rotational speed in diesel generator sets7.
- Specialized Transport
- Tankers & Hazardous Material Carriers: Minimizes fire risks from friction-based braking4.
4. Key Advantages
- High-Efficiency Braking
- Achieves 80-90% braking force distribution, significantly reducing main brake usage310.
- Zero Wear & Longevity
- Non-contact fluid transmission ensures >50,000-hour service life without component replacement47.
- Thermal Management
- Dual-cycle cooling (engine coolant + independent radiator) prevents overheating even during prolonged descent5.
- Safety Enhancement
- Automatic torque adjustment prevents wheel lockup on slippery surfaces4.
- Adaptability
- Compatible with hybrid/electric drivetrains for regenerative braking optimization10
