Change visitor typeVPA-R Specification
ROTOTEST VPA-R4 2WD Specification
Maximum system performance
Braking power409 kW (548 imp hp)
Braking wheel torque1800 Nm (1328 lb-ft)
Vehicle speed*319 km/h (198 mph)
Wheel speed2600 1/min
* 650 mm (25.59 inch) wheel diameter
Measuring accuracy
Speed accuracy0.1 1/min
Torque accuracy± 0.1 % FSO typ / ± 1 % OMV
Complete turnkey system
Dynamometer units, VPA-R42
Vehicle–powered Cooling & Fan Units, CFU2
System Central Unit, SCU1
Operatorīs PC, monitor and keyboardincluded
Wheel adapters, bolts and nuts2
Hydraulic hosesincluded
Electrical cablesincluded
Calibration equipmentincluded
Complete oil fillincluded
Control system test modes
System controls speed to a pre-set value independent of load.
Systems controls torque to a pre-set value independent of speed.
System controls acceleration between two pre-set speeds.
Simulates road resistance caused by aerodynamic drag, rolling resistance and incline.
Simulates real-world accelerations defined by inertia, aerodynamic drag and rolling resistance.
Different wheel speed
Different wheel torque
Wheel spin simulation
All data are displayed in real time as analogue and digital values and sweep charts.
Calibration of load cell using dead weights.
Stores measurements in an open, readily available format. Analyse of data in tables or graphs. Automatic correction (optional) or conversion of power and torque values.
Maximum axle load2000 kg (4409 lbs)
Axle height325 mm (13 inch)
Power requirements240 VAC / 110 VAC
Water requirementsNone (air-cooled)
Operating environment
Temperature range+15 °C to +40 °C
Extended temperature range (Optional)-15 °C to +40 °C
Arctic Protection (Optional)-40 °C to +40 °C
Relative humidity10 to 90 % non–condensing
Data acquisition system, sensors included.
Water/oil coolers
Set of calibration weights
Wheel adapters, bolts and nuts
"MC mode", one unit in operation
One VPA unit in passive mode
System Central Unit expansionTwo 2WD to one 4WD
Noise, Vibration and Harshness torque signal
-15 – 40 °C

This information is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement.

The information herein may include technical inaccuracies or typographical errors. Changes may periodically be made to the information and will be incorporated in new editions of this document. Rototest AB may make improvements or changes in products and programs described in this publication at anytime without incurring any obligations.