For a plumber who wants one drum machine for indoor branch lines, from sink traps to 4 in floor drains with a cable swap. Homeowners get the same 3/8 in reach from a K-400 for much less.
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its line size. How we rank explains each one.
| Model number | K-3800 with C-32 (53117) |
|---|---|
| Cable | |
| Type | Drum machine |
| Included cable | 75 ft x 3/8 in |
| Drain sizes | 1.5 to 3 in |
| Cutters included | 3 |
| Motor | |
| Motor | 75 W |
| Horsepower | 0.1 hp |
| Speed | 240 rpm |
| Voltage | 115 V |
| Controls and build | |
| Auto feed | Yes |
| Foot switch | Yes |
| Weight | 71 lb |
| Warranty | Lifetime |
For homeowners and handymen who clear small drains often and want a machine that lasts. It costs more than the clones but is built and backed for years of use.
Amazon $629 eBayFor a homeowner who wants auto feed on a budget for sink, tub and floor drains. Expect less durability and support than a pro brand.
Amazon $309.90 eBayFor 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 eBayCompare the Ridgid K-3800 AUTOFEED Drum Machine with any other drain cleaning machine →
More from Ridgid: every Ridgid product ranked.
