Ridgid K-750 AUTOFEED Drum Machine
#8 in Main linesFull review
For plumbers and building crews who clear main lines and roots every week. It is overkill for a homeowner with one stubborn clog.
Amazon $3,422.93 eBay$3,422.93
The Ridgid K-750 AUTOFEED Drum Machine is the better drain cleaning machine overall, rated 3.5 to 2.8. The Ridgid K-750 AUTOFEED Drum Machine leads on price and motor. The Ridgid K-6200 AUTOFEED Drum Machine wins on features. The Ridgid K-750 AUTOFEED Drum Machine costs $1,577.05 less ($3,422.93 vs $4,999.98).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
Ridgid K-6200 AUTOFEED Drum Machine
#12 in Main linesFull review
For drain contractors who clear 3 to 6 in mains and roots most days and want a big drum machine with auto feed. Far beyond what a homeowner needs.
Amazon $4,999.98 eBay$4,999.98
Which should you buy?
- Choose the Ridgid K-750 AUTOFEED Drum Machine for price ($3,422.93 vs $4,999.98) and motor (373 W motor vs 298 W motor).
- Choose the Ridgid K-6200 AUTOFEED Drum Machine for features (auto feed, reverse, cutters included vs auto feed, cutters included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every main lines drain cleaning machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ridgid K-750 AUTOFEED Drum Machine | Ridgid K-6200 AUTOFEED Drum Machine |
|---|---|---|
| Overall rating | 3.5/5 | 2.8/5 |
| Price 25% | 13 $3,422.93 | 0 $4,999.98 |
| Cable 25% | 68 100 ft of 5/8 in cable | 68 100 ft of 5/8 in cable |
| Motor 10% | 57 373 W motor | 43 298 W motor |
| Features 20% | 55 auto feed, cutters included | 75 auto feed, reverse, cutters included |
| Warranty 20% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| Ridgid K-750 AUTOFEED Drum Machine | Ridgid K-6200 AUTOFEED Drum Machine | |
|---|---|---|
| Cable | ||
| Type | Drum machine | Drum machine |
| Included cable | 100 ft x 5/8 in | 100 ft x 5/8 in |
| Drain sizes | 3 to 6 in | 3 to 6 in |
| Cutters included | 5 | 4 |
| Motor | ||
| Motor | 373 W | 298 W |
| Horsepower | 0.5 hp | 0.4 hp |
| Speed | 200 rpm | 285 rpm |
| Voltage | 115 V | 115 V |
| Controls and build | ||
| Auto feed | Yes | Yes |
| Reverse | - | Yes |
| Weight | - | 180 lb |
| Warranty | Lifetime | - |