The SF-902S engine dyno houses a new absorber designed for high RPM and maximum durability. It’s rated for 15,000 RPM, 1,500 HP and 1,200 lb.-ft of torque. PTFE teflon water seals and high speed ABEC 7 bearings allow the new absorber to run at high RPM for extended testing periods without issue. The new stainless steel trunnion and backing plate provide a 75% increase in resistance to cavitations compared to previous aluminum bronze components. In addition to the new water seals, high speed bearings and stainless steel components the new absorber in the SF-902S dynamometer includes a hall effect speed sensor for greatly improved low speed RPM measurement.

The included roll-around engine docking cart offers great versatility to adapt to various types of engines and its stainless steel runners mean easy adjustment of the engine supports without any rust. It’s also compatible with the SF-Powermark to allow maximum versatility. The space saving dynamometer frame provides a convenient tool tray and two bump starters to make lashing valves easy. Adaptation to the engine is simple with the optional multi-fit bell housing or the adapter of your choice. To keep the test cell neat, the integrated boom assembly houses both the sensor box and cooling tower, plus it has cable stays to route transducer wires cleanly between the sensor box and the engine. The included non-pressurized cooling tower mounts to the boom assembly behind the dyno, out of the way. The new sensor box also mounts to the boom where it is kept safely away from engine vibrations and heat. WinDyn’s® pre-defined test sequences allow for standard tests at the push of a button so you’re up and running immediately and the live trace feature lets you see live data as a trace over a saved reference plot.


Absorber TypeWater brake power absorber with Teflon water seals, high speed bearings, stainless trunnion and backing plate and aluminum bronze rotor – low inertia design for precise control
Maximum Speed15,000 RPM
Horsepower Capacity1,500 hp (1,119 kW)
Torque Capacity1,200 lb-ft. (1,627 N-m)
Temperature16-Channel thermocouple panel 12 transducers, 1/8″ 12 swagelock fittings 12 ten foot extension cables
Pressure10-channel pressure panel 3 sensors (-15 to 150 psi)
Air / Fuel2 pre-configured analog inputs
Fuel Flow2 fuel flow measurement turbines (0-80 gal/hr)
Air Flow1 air flow measurement turbine (9 in. air turbine standard, 20-1,200 CFM) (4 in. and 6 in. sizes also available)


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