Chassis Dynamometer

As a leading manufacturer of Chassis dynamometer and testing equipment since year 1999, COSBER, based on years of experience in the vehicle service market and cooperation with many workshops, established DYNOCOSBER division to offer the high performance DYNAMOMETER for CAR racing & tuning market. We well understand that the car tuning is a troublesome and endless work. Therefore, we keep our industrial idea simple: offer Excellent Dyno with affordable cost, which enables our customers to become powerful players in their business. DYNOCOSBER is designed and developed by ourselves with the latest vehicles testing system of the most advanced electric eddy current control technology, to safely, precisely and quickly test various vehicles’ dynamic data and generate a curve for analyzing the tuning.


  • Extremely Durable Eddy-Current Retarder with Over-temperature Protection;

  • Groove cut Roller ensure the high friction with wheels;

  • Multiple painting process,long-lasting of metalized paint;

  • Display of chassis power,acceleration time,spot speed and traction force;

  • High adhesive and well-balanced roller;

  • Easy compatibility with external diagnostic equipment,RS-232 port & USB;



Max. axle load3500kg2000kg2000kg x 23500kg3500kg
Roller diameter216mm218mm218mm320mm320mm
Roller length1000mm860mm860mm850mm1000mm
Roller center distance442mm430mm430mm483mm443mm
Roller set quantity2 Sets2 Sets4 Sets2+3 Sets2+2 Sets
Roller surfaceCross lathe+Chrome coatingGroove cut+Chrome coatingGroove cut+Chrome coatingGroove cut+Chrome coatingGroove cut+Chrome coating
Max. test speed200km/h250km/h250km/h250km/h250km/h
Max. test power400p1000p2000p1500p2000p
Retarder powerFly wheel inertia250kw KLOFT250kw x 2 KLOFT160kw x 2160kw x 2
Motion Mode2WD2WD4WD no linked4WD by Belt-linked4WD by Z-Shaft-linked
Wheelbase adjustNCNC2500 - 3200mm Auto.2600 - 3200mm2500 -3300mm Automatic
Drive out modePneumatic lift upRetarder brakeRetarder brakePneumatic lockPneumatic lift up
Speed indication error±1%±1%±1%±1%±1%
Torque indication error±2%±2%±2%±2%±2%
Power supplyAC 220V,50Hz,groundAC 220V,50Hz,ground3ph 380V,50Hz,ground3ph 380V,50Hz,ground3ph 380V,50Hz,ground
Equipment dimensions4000x 970x 645mm3070x 850x 448mm3070x 4350x 572mm3915x 3650x 548mm5616×3950×780 mm

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