Viper AS430C
#4 in 17 in and upFull review
A corded 17 in scrubber for floors near outlets, like kitchens, shops and small warehouses, where nobody wants to manage batteries.
Amazon $3,015$3,015
The Viper AS430C is the better floor scrubber overall, rated 3.6 to 3.4. The Viper AS430C leads on warranty and recovery tank. The Sunmax RT35 wins on value. The Sunmax RT35 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.
Sunmax RT35
#6 in 17 in and upFull review
A mid-size battery scrubber for schools, offices and retail aisles that need a few hours of cleaning per charge at an import price.
Amazon $1,999$1,999
Which should you buy?
- Choose the Viper AS430C for warranty (5-year parts warranty vs 2-year parts warranty) and recovery tank (13 gal recovery tank vs 9.2 gal recovery tank).
- Choose the Sunmax RT35 for value ($117.59 per inch of path ($1,999, 17 in) vs $177.35 per inch of path ($3,015, 17 in)).
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 weight | Viper AS430C | Sunmax RT35 |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 30% | 43 $177.35 per inch of path ($3,015, 17 in) | 65 $117.59 per inch of path ($1,999, 17 in) |
| Cleaning path 20% | 46 17 in cleaning path | 46 17 in cleaning path |
| Recovery tank 15% | 95 13 gal recovery tank | 82 9.2 gal recovery tank |
| Runtime 15% | 50 corded, 66 ft cord, scored as the middle | 57 2.5 h per charge |
| Noise 5% | 20 72 dB(A) | 50 sound level not published (neutral score used) |
| Warranty 15% | 100 5-year parts warranty | 25 2-year parts warranty |
Specifications
| Viper AS430C | Sunmax RT35 | |
|---|---|---|
| Cleaning | ||
| Cleaning path | 17 in | 17 in |
| Squeegee width | 28.7 in | 22 in |
| Brush type | Disc | - |
| Brush speed | 160 rpm | - |
| Brush pressure | 77 lb | - |
| Maker productivity claim (not scored) | 17,222 sq ft/h | 19,000 sq ft/h |
| Tanks | ||
| Solution tank | 13 gal | 7.9 gal |
| Recovery tank | 13 gal | 9.2 gal |
| Power | ||
| Power | Corded | Battery |
| Voltage | - | 24 V |
| Runtime per charge | - | 2.5 h |
| Cord length | 66 ft | - |
| Build | ||
| Noise | 72 dB(A) | - |
| Weight | 154 lb | 132 lb |
| Parts warranty | 5 years | 2 years |
| Labor warranty | 2 years | - |