Karhdir C5 18 in vs Viper AS430C

Last updated: November 9, 2026

The Viper AS430C is the better floor scrubber overall, rated 3.6 to 3.1. The Viper AS430C leads on warranty. The Karhdir C5 18 in wins on value. The Karhdir C5 18 in costs $1,016 less ($1,999 vs $3,015).

Prices were last checked November 9, 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.

Karhdir C5 18 in vs Viper AS430C

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 17 in and up floor scrubber; a clear win is highlighted. How we rank explains each one.

Factor weightViper AS430CKarhdir C5 18 in
Overall rating3.6/53.1/5
Value 30%43 $177.35 per inch of path ($3,015, 17 in)68 $111.06 per inch of path ($1,999, 18 in)
Cleaning path 20%46 17 in cleaning path54 18 in cleaning path
Recovery tank 15%95 13 gal recovery tank89 11 gal recovery tank
Runtime 15%50 corded, 66 ft cord, scored as the middle0 battery runtime not published, scored as zero
Noise 5%20 72 dB(A)50 sound level not published (neutral score used)
Warranty 15%100 5-year parts warranty0 1-year parts warranty

Specifications

Viper AS430CKarhdir C5 18 in
Cleaning
Cleaning path17 in18 in
Squeegee width28.7 in24 in
Brush typeDisc-
Brush speed160 rpm200 rpm
Brush pressure77 lb-
Maker productivity claim (not scored)17,222 sq ft/h24,000 sq ft/h
Tanks
Solution tank13 gal10 gal
Recovery tank13 gal11 gal
Power
PowerCordedBattery
Cord length66 ft-
Build
Noise72 dB(A)-
Weight154 lb166 lb
Parts warranty5 years1 year
Labor warranty2 years-

All floor scrubber comparisons →