HoldwellS 100 ft x 3/8 in Drain Machine
#2 in Small linesFull review
For an occasional user who wants the most cable and auto feed for the least money. It is a budget clone with little backing.
Amazon $291.39 eBay$291.39
The HoldwellS 100 ft x 3/8 in Drain Machine is the better drain cleaning machine overall, rated 4.0 to 3.9. The HoldwellS 100 ft x 3/8 in Drain Machine leads on price, cable and features. The HoldwellS 100 ft x 3/8 in Drain Machine costs $258.60 less ($291.39 vs $549.99).
Prices were last checked November 4, 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-400 Drum Machine
#4 in Small linesFull review
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 $549.99 eBay$549.99
Which should you buy?
- Choose the HoldwellS 100 ft x 3/8 in Drain Machine for price ($291.39 vs $549.99), cable (100 ft of 3/8 in cable vs 75 ft of 3/8 in cable) and features (auto feed, foot switch, reverse, cutters included vs foot switch, reverse, cutters included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small lines drain cleaning machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | HoldwellS 100 ft x 3/8 in Drain Machine | Ridgid K-400 Drum Machine |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Price 25% | 91 $291.39 | 56 $549.99 |
| Cable 25% | 98 100 ft of 3/8 in cable | 70 75 ft of 3/8 in cable |
| Motor 10% | 50 motor power not published (neutral score used) | 31 249 W motor |
| Features 20% | 100 auto feed, foot switch, reverse, cutters included | 65 foot switch, reverse, cutters included |
| Warranty 20% | 0 warranty not published, scored as none | 100 lifetime warranty |
Specifications
| HoldwellS 100 ft x 3/8 in Drain Machine | Ridgid K-400 Drum Machine | |
|---|---|---|
| Cable | ||
| Type | Drum machine | Drum machine |
| Included cable | 100 ft x 3/8 in | 75 ft x 3/8 in |
| Drain sizes | 2 to 4 in | 1.5 to 3 in |
| Cutters included | 8 | 4 |
| Motor | ||
| Motor | - | 249 W |
| Horsepower | - | 0.3 hp |
| Speed | 1,800 rpm | 170 rpm |
| Voltage | - | 115 V |
| Controls and build | ||
| Auto feed | Yes | No |
| Foot switch | Yes | Yes |
| Reverse | Yes | Yes |
| Weight | - | 45 lb |
| Warranty | - | Lifetime |