NVH Chassis Dynamometer for Vehicle Testing
This chassis dynamometer features a 48-inch (1219.2mm) or 72-inch (1828.8mm) roller and AC motor, suitable for light vehicles or heavy commercial vehicles. It delivers quality simulation with high precision, repeatability, and high dynamic stability.




Technical Specifications
Product Overview
Advanced NVH Chassis Dynamometer
This high-precision NVH Chassis Dynamometer is engineered for comprehensive vehicle testing, offering exceptional simulation of road conditions with high repeatability. Designed for Noise, Vibration, and Harshness analysis, it features an intelligent three-ring bearing design and high dynamic stability to meet or exceed EPA requirements. The system supports seamless integration with common emission test interfaces and automation software, ensuring a future-proof solution for automotive research and development.
- Key Features
- High PrecisionEPA CompliantIntelligent Bearing DesignAutomation SoftwareEasy UpgradeLow Noise
Performance Metrics
Core Performance
Model Comparison
Technical Specifications by Model
| Roller Size | Application | Motor Power | Max Speed | Inertia Simulation Range |
|---|---|---|---|---|
| 48 Inch (1219.2mm) | Light Vehicle | 150kw*2 / 220kw*2 / 300kw*2 | ≥ 200km/h | 454kg - 5000kg |
| 72 Inch (1828.8mm) | Heavy Commercial | 455kw*2 / 560kw*2 / 650kw*2 | ≥ 120km/h | 3500kg - 65000kg |
| 75 Inch (1905mm) | Heavy Commercial (4WD) | 150kw*4 / 220kw*4 / 300kw*4 | ≥ 200km/h | 800kg - 9000kg (4WD) |
Measurement Accuracy
Measurement Precision
- Traction measurement accuracy: ± 0.1% F.S
- Traction control accuracy: ± 0.2% F.S
- Speed measurement accuracy: ± 0.02km/h
- Distance measurement accuracy: ± 0.1m/1000m
- Time measurement accuracy: ± 1ms to 5ms
- Acceleration measurement accuracy: ± 0.005m/s2
Mechanical Design
Surface Treatment
- Bearing Structure
- Three ring bearing
- Traction Overload Capacity
- 130% to 150% (60S)



