Milwaukee M18 Drum Machine 2817A-21
#7 in Small linesFull review
For a Milwaukee M18 owner who wants a cordless small line machine. It skips the extension cord but costs more than corded drum machines of the same size.
Acme Tools $699$699
The Milwaukee M18 Drum Machine 2817A-21 rates 3.7 among small lines drain cleaning machines; the Ridgid K-50 Sectional Machine rates 2.8 among main lines ones. The Milwaukee M18 Drum Machine 2817A-21 costs $1,394.48 less ($699 vs $2,093.48).
Ridgid K-50 Sectional Machine
#11 in Main linesFull review
For a pro or building maintenance crew that needs a light machine for 2 to 4 in lines and roof stacks. Homeowners get more cable for less elsewhere.
Global Industrial $2,199.99 Acme Tools $2,549.40 Home Depot $2,093.48$2,093.48
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different line size classes (small lines and main lines), and each is scored against the reference points for its own class, so a rating says how well each does among its own line size peers. How we rank explains each factor.
| Factor weight | Milwaukee M18 Drum Machine 2817A-21 | Ridgid K-50 Sectional Machine |
|---|---|---|
| Overall rating | 3.7/5 | 2.8/5 |
| Price 25% | 43 $699 | 31 $2,093.48 |
| Cable 25% | 70 75 ft of 3/8 in cable | 6 45 ft of 5/8 in cable |
| Motor 10% | 50 motor power not published (neutral score used) | 0 124 W motor |
| Features 20% | 45 foot switch, cutters included | 40 reverse, cutters included |
| Warranty 20% | 100 5-year warranty | 100 lifetime warranty |
Specifications
| Milwaukee M18 Drum Machine 2817A-21 | Ridgid K-50 Sectional Machine | |
|---|---|---|
| Cable | ||
| Type | Drum machine | Sectional machine |
| Included cable | 75 ft x 3/8 in | 45 ft x 5/8 in |
| Drain sizes | 1.5 to 3 in | 1-1/4 to 4 in |
| Cutters included | 5 | 4 |
| Motor | ||
| Motor | - | 124 W |
| Horsepower | - | 0.2 hp |
| Speed | - | 400 rpm |
| Voltage | 18 V | 115 V |
| Cordless | Yes | - |
| Controls and build | ||
| Auto feed | No | No |
| Foot switch | Yes | No |
| Reverse | - | Yes |
| Weight | - | 37.5 lb |
| Warranty | 5 years | Lifetime |