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€ 39.500,00 Excl. VAT
Product information

The SR38 is the 2WD equivalent of the W4-X. Built with the same philosophy as the W4-X, no compromises. This dyno is built for the most demanding. High power, high speed, superior materials and quality, it’s all there. The 800mm drums guarantee a smooth drive with a maximum grip due to its Tungsten Carbide coating. Equipped with the most powerful eddy current brake available, its brake capacity is a staggering 3800 Nm of torque. With its low profile it is the ideal dyno for extremely lowered cars, down to 60mm ground clearance.

The SR38 is designed using 3D-CAD and FEM analysis to deal with the high power and speed it’s intended for. Laser alignment by SKF, balancing on our own Schenck balancing machine, vibrations are reduced to a minimum assuring very accurate measurement and virtually maintenance free operation. Assembled by hand by a small but very skilled group of professionals, quality is in its DNA!

Because of its height the SR38 must be integrated into the workshop floor.

The Dynostar SR38 with length adjustment

Recently Dynostar has added a new option to expand the use of the Dynostar model SR38. This option is specially designed for confined workshops.

With a length adjustment of up to 2 meters this option makes it possible that even in workshops with limited length, this single roller can be used for vehicles which have front as well as rear wheel drive. With a newly designed mechanism the SR38 can be adjusted very easily! With the remote control the dynamometer can be relocated, adjusted and manually set as desired.

Standard hardware features:

  • DAS Data Acquisition System
  • Advanced Dyno Station Software package
  • Junction Box
  • Calibration weight
  • Remote controller
  • Instructions and manual
  • CE marking
  • Emergency brake
  • Straps and floor anchors for immobilizing the car 

Standard software features:

  • Static power measurement
  • Dynamic power measurement: Roll on, Negative test, All gear, Variable transmission, Fast acceleration, Multiple speed, Acceleration test
  • Speedometer test
  • Weather station
  • Power correction to DIN, EEC and SAE standard
  • Automatic braking after completing a dynamic test
  • Real time display of engine speed, power, traction and vehicle speed in software
  • Simulation of roller and air resistances for simulating situations on the road
  • Automatic calculation of losses in the drive line and calculation of power at crankshaft


1665 [kg]

3671 [lbs]

Dimensions (lxwxh):

4,1x1,3x0,9 [m]

160x51x35 [inch]

Power requirements:

230 [V]


Max. consumed current:

21,5 [A]


Air requirements:

6 [bar]


Max. speed:

350 [kmh]

218 [mph]

Drum width:

0,8 [m]

31,5 [inch]

Drum diameter:

0,8 [m]

31,5 [inch]

Number of drums 



Min. track:

0,8 [m]

31,5 [inch]

Max. track: 

2,4 [m]

94,5 [inch]

Max. vehicle mass:

7000 [kg]

15432 [lbs]

Total inertia:

81,17 [kgm2]


Equivalent vehicle mass:

507 [kg]

1118 [lbs]

Max. dynamic power:

965 [kW]

1295 [hp]

Max. static power cold:

619 [kW]

830 [hp]

Max. static power continuous:

258 [kW]

346 [hp]

This product can only be delivered when ordered via www.dynostar.com based on a customized quotation. Keep in mind that the price mentioned price above is excl. shipment.

Manufacturer product number



€ 39.500,00 Excl. VAT
This product is currently out of stock. You can still order it, but the estimated delivery time is 14 days.
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