Power Test, LLC

45X Series

Water Brake Dynamometer

Read More

The 45X-Series Water Brake Engine Dyno is designed for testing on-highway, construction, mining, power generation, and marine diesel applications. With power capacities ranging from 100-4,500 HP and operating speeds up to 4,000 RPM, the 45X-Series allows a wide range of engines to be tested.
This trunnion-mounted, fixed-base water brake engine dynamometer may be used for continuous-duty engine power verification, quality assurance, endurance, and certification testing.

  • Inlet control allows for low minimum horsepower
  • Low-inertia and high-absorption characteristics in a compact package
  • Removable bearing and seal housings facility technical service without the need for disassembly of the absorber
  • Through-shaft design allows either end of the dynamometer to be driven and for dyno mounted starting systems to be used
  • The ability to test a wide range of engine displacements on the same dynamometer.
  • Through-shaft design allows either end of the dynamometer to be driven and to accept additional dynamometers in tandem plus a variety of accessories including starting systems.
  • Equal absorption capabilities in either direction of rotation.
Max Horsepower

2,500-4,500 HP


0-4,000 RPM


15,000 ft-lbs

  • On-highway
  • Construction
  • Mining
  • Power Generation
  • Marine Diesel
Contact Us
  • This field is for validation purposes and should be left unchanged.

Product Specifications


Model Max Power Max Torque Max Speed
45X06 2,700 HP (2014 kW) 9,622 ft-lbs (13,046 Nm) 4,000 RPM
45X07 3,150 HP (2349 kW) 11,226 ft-lbs (15,220 Nm) 4,000 RPM
45X08 3,600 HP (2684 kW) 12,830 ft-lbs (17,395 Nm) 4,000 RPM
45X09 4,050 HP (3021 kW) 14,434 ft-lbs (19,569 Nm) 4,000 RPM
45X10 4,500 HP (3344 kW) 15,000 ft-lbs (20,337 Nm) 4,000 RPM