General Mini-Rooter MR-C-O vs Ridgid K-400 AUTOFEED Drum Machine

Last updated: November 3, 2026

The Ridgid K-400 AUTOFEED Drum Machine rates 3.8 among small lines drain cleaning machines; the General Mini-Rooter MR-C-O rates 2.4 among main lines ones. The Ridgid K-400 AUTOFEED Drum Machine costs $550.93 less ($949.07 vs $1,500).

General Mini-Rooter MR-C-O vs Ridgid K-400 AUTOFEED Drum Machine

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 weightRidgid K-400 AUTOFEED Drum MachineGeneral Mini-Rooter MR-C-O
Overall rating3.8/52.4/5
Price 25%26 $949.0743 $1,500
Cable 25%70 75 ft of 3/8 in cable0 50 ft of 1/2 in cable
Motor 10%31 249 W motor31 249 W motor
Features 20%100 auto feed, foot switch, reverse, cutters included65 foot switch, reverse, cutters included
Warranty 20%100 lifetime warranty0 1-year warranty

Specifications

Ridgid K-400 AUTOFEED Drum MachineGeneral Mini-Rooter MR-C-O
Cable
TypeDrum machineDrum machine
Included cable75 ft x 3/8 in50 ft x 1/2 in
Drain sizes1.5 to 3 in1-1/4 to 4 in
Cutters included44
Motor
Motor249 W249 W
Horsepower0.3 hp0.3 hp
Speed170 rpm-
Voltage115 V-
Controls and build
Auto feedYesNo
Foot switchYesYes
ReverseYesYes
Weight45 lb60 lb
WarrantyLifetime1 year

All drain cleaning machine comparisons →