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Rupes LHR 21 MARK III Bigfoot Polisher - new and improved

Rupes LHR21 MARK III Bigfoot Polisher

Price: $465.00

The random orbital automotive machine polisher movement reduces the overall polishing time! This high quality, safe and effective machnine orbits up to 21 mm to quickly obtain gloss and color depth.

  • The electronic feedback control maintains speed constant in all applications.
  • Great for paint correction, wax and sealant application, and more.
  • The anti spinning feature prevents the high speed rotations avoiding scratches.
  • Polyurethane backup pad designed by RUPES
  • The tool can be easily used even by unskilled operators
  • The 21 mm orbit is suitable for all polishing operations on all types of surfaces: painted surfaces or recently painted surfaces and finishing applications
  • Denibbing
  • Holograms removing

With its 21mm orbit and its Ø150mm backing pad, the LHR 21 Mark III random orbital polisher is the perfect tool for working large surface areas. The LHR 21 Mark III automotive machine polisherallows the operator to achieve ultra-high quality finishes, even with limited passes.

The rubberized front grip of the Mark III offers exceptional comfort for the operator while providing a non-slip surface for control. The improved rear handle also integrates rubberized surfaces for improved feel.

Two strategically placed, non-marking, tool rests provide stability when the tool is not in use as well as additional protection against unintended impact.

The continued refinement of the BigFoot random orbital platform in Mark III reinforce its best in class reputation, making the best even better.

The new electronic speed control dial allows for easy adjustment of the top speed of the polisher without requiring the operator to move his hands.

The larger dial is easily adjusted with a move of the thumb.

High visibility numbers and a more positive feedback from the movement of the dial make speed changes feel more deliberate, allowing operators to select the ideal speed for the task without any interruption to the polishing process.

Adding an additional layer of control is the new progressive trigger.

Acting as a throttle to control speeds within the dial range, the progressive trigger allows the operator to make subtle adjustments for precise control without interruption of the process or need to reposition the grip to access the speed dial.


Attention to detail is something more than just attractive design. Every detail, such as the rubber support positioned on the body of the machine to keep it stable during the non-working stages, is the result of meticulous research aimed at achieving maximum operator comfort.

The highly efficient motor of the Mark III BigFoot Random Orbital Polisher produces a speed range of 3000 to 4500 for the 21mm models and 3000 to 5200 for the 15mm models. The specially engineered and custom wound motor, created in-house by RUPES, generates high levels of torque while requiring just 500 watts of input. This results in RUPES offering the most efficient motor in random orbital polishing today.

Ø backing pad mm-in 150 – 6”
Ø Orbit mm-in 21 -13/16”
Power Watt 500
R.P.M. 3000 – 4500
Weight kg-lbs 2,7 – 59,5
Speed regulation
Backing pad thread M8
Cord Length m-ft 9 – 29,5

Customer Reviews

Based on 8 reviews
Eric Pizzolo
Great buffer

Hands down the best buffer for a body shop. Also great for diy folks as well! Super fast shipping on all 3 orders placed from these guys. Highly recommend the buffer. As well as !!

Thomas Reppel

Upgraded from the 22d to this. Ton of torque and butter smooth. Very happy with it.

Ian Musgrove
New and improved!

I accidentally dropped my original Rupes 21 and broke it, so after many years of zero issues, it was time for a new one. Huge improvement over the original the first model, more power, smoother, better grips and rubber stands when you put it down. The variable speed trigger is nice improvement also. I have 3 Rupes machines all together and never had a problem, huge Rupes fan.

Second LHR 21 MK III

Second Mark III I’ve purchased through DetailersDomain and as always shipping is lighting fast + the polisher is a monster. Makes compounding a breeze while providing minimal vibration allowing compounding/polishing for hours without muscle fatigue. Would 100% recommend having this tool in your arsenal

jonny d'Mello
Super Efficent and low Vibration

Awesome tool for eliminating swirl marks. Overall low vibration even on high rpm which makes using this tool for hours a breeze. Highly recommend to any detailer to have in their artilery of polishers.