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Powertek Chassis Dynamometer
Chassis Suspension Fixture
Crash Test Vehicle
Crash Tester
Wind Tunnels
Engine Test Stands
Engineering Labs

GDJ, Inc.
440/918-0407 Fax

2006-2008 © GDJ Inc.

Engine Test Stands

Test Stand Intro

Single Cylinder Dynamometer

Three Cylinder Dynamometer

Gas Turbine Engine


Single Cylinder Dynamometer

IntroSpecificationsData RetrievedModelsOptional DieselBrochure


  • 7.5 hp
  • Overhead Valve
  • Max 9.9 ft-lb (13.4 N-m) torque @ 2800 RPM
  • 3600 RPM
  • Bore: 2.83 in (72 mm)
  • Stroke: 2.05 in (52 mm)
  • Displacement: 13 cu. in.
  • 12 Volt battery with starter
  • 5 gal. fuel tank is separate from engine for added safety
  • Optional L/P or natural gas fuels
  • Optional computer control of engine allows students to operate the engine and retrieve data from remote location!


  • Eddy current dynamometer
  • Torque reading direct to calibrated load cell
  • Fuel flow meter
  • Engine combustion pressure measured DURING engine operation
  • Heavy duty, welded steel box frame


  • Lesson plans based on transformation of energy.
  • Students work step by step through the transformation of chemical energy to mechanical energy
  • Laboratory grade equipment assures accurate, repeatable data

Note: GDJ is constantly improving its products. Specifications are due to change from upgrades.