HoldwellS 75 ft x 1/2 in Drain Machine 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 HoldwellS 75 ft x 1/2 in Drain Machine rates 3.4 among main lines ones. The HoldwellS 75 ft x 1/2 in Drain Machine costs $649.08 less ($299.99 vs $949.07).

HoldwellS 75 ft x 1/2 in Drain Machine 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 MachineHoldwellS 75 ft x 1/2 in Drain Machine
Overall rating3.8/53.4/5
Price 25%26 $949.07100 $299.99
Cable 25%70 75 ft of 3/8 in cable23 75 ft of 1/2 in cable
Motor 10%31 249 W motor50 motor power not published (neutral score used)
Features 20%100 auto feed, foot switch, reverse, cutters included100 auto feed, foot switch, reverse, cutters included
Warranty 20%100 lifetime warranty0 warranty not published, scored as none

Specifications

Ridgid K-400 AUTOFEED Drum MachineHoldwellS 75 ft x 1/2 in Drain Machine
Cable
TypeDrum machineDrum machine
Included cable75 ft x 3/8 in75 ft x 1/2 in
Drain sizes1.5 to 3 in2 to 4 in
Cutters included44
Motor
Motor249 W-
Horsepower0.3 hp-
Speed170 rpm1,800 rpm
Voltage115 V-
Controls and build
Auto feedYesYes
Foot switchYesYes
ReverseYesYes
Weight45 lb-
WarrantyLifetime-

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