# Tennant X4 ROVR review

Compact robot scrubber from a US floor care brand, fits 28 in aisles

- Our score: not scored yet
- Price: $49,382 (checked Nov 9, 2026)
- Status: on sale
- Best for: schools and stores that want US dealer service
- Skip if: you want auto refill or a monthly rental price
- HTML version: https://robotsforthat.com/robot/tennant-x4-rovr/

## Verdict

The X4 ROVR is for schools, grocery stores, clinics and retailers that want a scrubber from an established US brand with a local service network. It fits 28 in aisles and carries 10 gallons. Skip it if you want hands off running, since it has no auto refill dock, no public rental price and only about 2.5 hours of runtime.

## Pros

- Fits aisles as narrow as 28 in
- 10 gal tanks, about 20,000 sq ft per fill
- Quiet at 66 dBA
- 3 year warranty per the dealer listing
- Made by an established US floor care company

## Cons

- High price at $49,382
- Only up to 2.5 h per charge
- No docking station for water refill
- Scrubs only, no carpet or dry vacuum mode
- Software term is unclear on the dealer page

## Specs

- cleaning modes: Wet scrubbing with vacuum pickup, in robot mode or manual mode (Tennant and Sweepscrub)
- cleaning width: 20 in (500 mm) dual disk path, 21.7 in squeegee (Tennant)
- coverage per hour: Not published per hour; about 20,000 sq ft (1,860 sq m) per tank of solution (Tennant)
- tank capacity: 10 gal (38 L) solution, 10 gal (38 L) recovery (Tennant)
- runtime: Up to 2.5 h of autonomous scrubbing (Tennant); Sweepscrub lists 2 h
- charge time: Not published; 90 Ah lithium ion battery with on board charger and opportunity charging (Tennant and Sweepscrub)
- navigation: BrainOS from Brain Corp with computer vision; sensor list not published (Robotics 24/7)
- min aisle width: As low as 28 in (71 cm); U turn in 4.5 ft (1.37 m) (Tennant)
- dimensions: 38 x 22 x 44 in (96 x 56 x 112 cm) long, wide, high (Tennant); weight 403 lb (183 kg) with battery and empty tanks (Tennant)
- extras: max slope not published; noise as low as 66 dBA; cleans within 3 in of walls; staff fill and drain the tanks by hand since no docking station is listed; BrainOS fleet reports; elevator use not mentioned

## Safety

- recalls: No recall found as of 2026-11-09 (web search of cpsc.gov for Pudu, Gausium, Tennant and Avidbots; these are commercial products, so CPSC may not cover them)
- fcc: Not checked
- company status: Active (Tennant is listed on the NYSE and said it sold its 10,000th robot scrubber in June 2025)
- warranty: 3 years per the Sweepscrub listing title; Tennant's spec sheet lists no term

## Questions buyers ask

### How much does a Tennant X4 ROVR cost?

Sweepscrub lists it at $49,382 with training and installation, checked November 9 2026. Tennant does not publish a price, so other dealers may quote differently.

### Is the robot software included?

The Sweepscrub listing title says 5 year software and its included list says lifetime autonomy agreement. Ask the dealer which one applies before you buy.

### How much floor does one tank cover?

Tennant estimates about 20,000 sq ft per 10 gallon solution tank and up to 2.5 hours of scrubbing per charge.

## Sources

1. [Sweepscrub: Tennant X4 ROVR listing with price](https://www.sweepscrub.com/products/x4rovr-500-d-tennant-x4-rovr-robotic-floor-scrubber-20-10-gallon-disk-lithium-5-year-software-3-year-warranty)
2. [Tennant: X4 ROVR specifications, North America (rev 3/2024)](https://www.tennantco.com/content/dam/tennant/tennantco/products/machines/scrubber%20walk-behinds/x4-rovr/x4-rovr-specifications-en-noam.pdf)
3. [Robotics 24/7: Tennant announces specifications of its first purpose built AMR floor scrubber (Mar 27 2024)](https://www.robotics247.com/article/tennant_announces_specifications_of_its_first_purpose_built_amr_floor_scrubber/autonomy)
4. [Business Wire: Tennant sells 10,000th robotic scrubber (June 3 2025)](https://www.businesswire.com/news/home/20250603191582/en/Tennant-Company-Sells-10000th-Robotic-Scrubber-Underscoring-Global-Demand-for-Cleaning-Automation)