Keiser Support Equipment-FORCE Machine

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The Keiser FORCE Machine is a simulated forcible entry-chopping device developed and manufactured by Keiser Corporation specifically for the fire service. It provides an efficient and durable means of training or testing individuals such as firefighters who use axes and sledgehammers in their occupation.  To use the FORCE Machine, an individual straddles the I-beam by standing on the footwalks and strikes the I-beam using the specifically designed 9-lb. dead-blow sledgehammer. The I-beam is weighted to simulate a railroad tie commonly used in testing many firefighters today. The individual drives the I-beam with overhand swings the length of the track. The movement is biomechanically correct, accurately reflecting structural firefighting tasks. Polyethylene glides on the bottom of the I-beam provide a consistent running surface on the steel track so important in testing. It takes an average of twenty to twenty-five strikes to move the I-beam five feet, a level of effort consistent with many forcible entry situations.


  • To use the FORCE Machine, an individual stands on the footwalks, straddling the I-beam then strikes the I-beam using the specifically designed 9 lb dead-blow sledgehammer.
  • It takes an average of twenty to twenty-five strikes to move the I-beam 5 feet (1.5m) a level of effort consistent with many forcible entry situations.
  • The movement accurately reflects structural firefighting tasks


13″ / 330 mm
35″ / 927 mm
96″ / 2438 mm
9″ / 229 mm
384 lbs / 174 kg
158 lbs / 72 kg
9 lbs / 4 kg


Individual Product Manuals are being added daily to our Fitness Equipment Manuals page.

If you need one and don’t see it there send a request to [email protected]

*All deliveries are done to curbside only. We do not/cannot bring items inside a home or business.

Assembly Required: Hand tools and the ability to follow printed instructions is all that is required here.

Boxed: Only partially dis-assembled to keep the shipping cost down.

Fully Assembled & Crated: Ready to use condition once the crate has been removed.


New equipment is just like it sounds: brand new equipment shipped to you.


Demo is equipment is just that: equipment with the very lightest usage as a demonstrator model.


Below is our general refurbishing and remanufacturing process for our commercial-grade fitness equipment:

  1. All Overlays Replaced
  2. All Electronic Sensors Replaced
  3. All Wearable Moving Parts Replaced Regardless of Condition
  4. New Running Belt & Motor Drive Belt On Treadmills
  5. Belts Replaced
  6. Decks Replaced
  7. Frames Repainted
  8. Roller Bearings Replaced
  9. Bushings Replaced
  10. Motors Rebuilt
  11. All Grips Replaced
  12. Decals Replaced
  13. Shrouds Replaced if Cracked
  14. All Electronic and Machine Functions tested twice before shipping

Primo Fitness has been refurbishing and remanufacturing used fitness gym equipment for over 20 years. We only used the highest quality replacement parts and our refurbished or remanufactured machines are like new again when they leave our shop. Here is a video about what everyone should know before purchasing refurbished or remanufactured fitness equipment.

Serviced and Cleaned (for indoor bikes only)

  1. We open the machine and break it down
  2. We then search for worn or broken parts
  3. The parts are then replaced
  4. Cosmetic touch up is done
  5. All functions are tested twice

Serviced & Cleaned is great for light commercial or home gyms, with 2 to 3 hrs. of use per day.

We offer a 30 Day Parts warranty on Serviced & Cleaned, after that, if a part does need to be replaced, they are very inexpensive and easy to replace. We are available for phone consultation if you have any questions.

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