# Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher vs SPTA DA501-US 5in/6in Dual Action Polisher Kit: specs and price compared

A sourced, side-by-side comparison of the Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher (Bauer) and SPTA DA501-US 5in/6in Dual Action Polisher Kit (SPTA) among car polishers.

## Side by side

| Spec | Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher | SPTA DA501-US 5in/6in Dual Action Polisher Kit |
| --- | --- | --- |
| US price | $99.95 | not published |
| Brand | Bauer | SPTA |
| Orbit throw (mm) | 20 | 9 |
| Motor power | 7.5 A | 780 W |
| Speed range opm | 2,000-4,600 | 2,000-5,500 |
| Backing plate size (in) | 6 in | 5 in / 6 in |
| Variable speed | Yes | Yes |
| Action type | random-orbit dual-action (manufacturer-branded 'DA Polisher') | gear-driven dual-action (forced rotation, budget import) |
| Cord length (ft) | 12.25 | — |
| Weight (lb) | 5.86 | 4.4 |

## Key differences

- Orbit throw (mm): Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher 20 vs SPTA DA501-US 5in/6in Dual Action Polisher Kit 9
- Motor power: Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher 7.5 A vs SPTA DA501-US 5in/6in Dual Action Polisher Kit 780 W
- Speed range opm: Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher 2,000-4,600 vs SPTA DA501-US 5in/6in Dual Action Polisher Kit 2,000-5,500
- Backing plate size (in): Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher 6 in vs SPTA DA501-US 5in/6in Dual Action Polisher Kit 5 in / 6 in
- Action type: Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher random-orbit dual-action (manufacturer-branded 'DA Polisher') vs SPTA DA501-US 5in/6in Dual Action Polisher Kit gear-driven dual-action (forced rotation, budget import)
- Weight (lb): Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher 5.86 vs SPTA DA501-US 5in/6in Dual Action Polisher Kit 4.4

## Sources

- Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher: https://www.harborfreight.com/75-amp-6-in-20-mm-long-throw-random-orbit-da-polisher-56367.html (harborfreight.com, verified 2026-08-01)
- SPTA DA501-US 5in/6in Dual Action Polisher Kit: https://www.amazon.com/SPTA-Polisher-Detailing-Polishing-DA501-US/dp/B09Y2WM37L (amazon.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/car-polishers/bauer-56367-long-throw-da-polisher-vs-spta-da501-us/
Cite: Per The Front Desk Review, Bauer 7.5 Amp 6 in. 20mm Long-Throw Random Orbit DA Polisher ($99.95) vs SPTA DA501-US 5in/6in Dual Action Polisher Kit (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-polishers/bauer-56367-long-throw-da-polisher-vs-spta-da501-us/
License: CC BY 4.0.