Maxshine M312 3-Inch
A compact 3 in polisher for mirrors, pillars and bumpers, as a second machine beside a full-size one.
Amazon $198.99$198.99
12 mm550 W3 in
2.5/5
A mid-throw RUPES polisher at a lower price than the Mark V line, for owners who want a 12 mm orbit on a full-size pad.
- 12 mmOrbit
- 4,000-5,500 OPMSpeed
- 400 WPower
Check price at Amazon$321
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 12 mm orbit splits the difference between safe and fast
- 4,000 OPM minimum speed suits steady correction work
Cons
- 400 W is the weakest motor here
- Warranty length is not published
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | LHR12E |
|---|---|
| Polishing | |
| Orbit diameter | 12 mm |
| Speed range | 4,000-5,500 OPM |
| Backing plate | 5 in |
| Forced rotation | No |
| Power | |
| Power source | Corded |
| Motor rating | 400 W |
| Brushless motor | Not listed |
| Controls | |
| Constant-speed electronics | Not listed |
| Soft start | Not listed |
| Lock-on trigger | Not listed |
| Build | |
| Weight | 5.7 lb |
| Pads or polish included | No |
Alternatives in this type
Porter-Cable 7424XP
A long-running, well-supported polisher with a three-year warranty, though its maker doesn’t publish the orbit size.
Amazon $159$159
4.5 A6 in
Chemical Guys TORQ 10FX
A short-throw polisher with a digital speed readout, for careful beginners who like repeatable settings.
Amazon $214.99$214.99
8 mm700 W
Compare
Compare the RUPES BigFoot LHR12E Duetto with any other dual action car polisher →
More from RUPES: every RUPES product ranked.