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advance Convertamatic 24C

Advance Convertamatic 28C

Walk behind Autoscrubber

Available for sale is a Refurbished Advance Convertamatic 28C walk behind scrubber. This is the cylindrical version model of the Convertamatic floor cleaning machine. Scrub rates for the Model Convertamatic 28C clean at a rate of 28,000 square feet/hour at 2.8 mph.

A curved vacuum squeegee retrieves dirty solution and wipes the floor clean. The dual drive wheel design provides maximum traction on slippery floors yet maintains excellent maneuverability in tight applications. All scrub functions are actuated with a single push of a button on the touch pad control panel.

Price: $4,895.00

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Model Update - See the Advance SC750

advance convertamatic
Advance Convertamatic 28C - 28" Cylindrical Style Scrubber
SN: 1000035584 - 2 months warranty.
Price: $4,895.00
Compare At: $16,500 New

Includes: Factory specified brushes, new batteries, full refurbishment.
Questions? Call Steve 888-550-0945
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Full Service & Support Value Package: 15% Off Parts, Phone Tech Support, and Warranty Services:
Every New / Used Nilfisk-Advance & Clarke machine purchased from us will include:

15% Discount on Parts: Take 15% off Clarke / Advance replacement parts purchased through us for your qualifying machine.

• Lifetime phone technical support with our mechanics, available Monday - Friday 8am - 4:30pm.

Warranty: Warranty support services including arrangement of a service provider when out of our territory and parts replacement support.

Why Our Refurbishment Process is Different:
Not just "Used" - Caliber's Machines are rebuilt from the frame up, including:

Brand New Batteries

• Replacement of all wearables.

• Inspection and servicing of all machine parts and components including: bearings, gaskets, filters, and power cords.

• brushes in the electric motors are evaluated, and hydraulic motors are inspected and resealed.

• All aesthetics are addressed including tank scratches and dents, peeling decals, chipped paint and rust.

SHIPPING: Machines are refurbished to order - Please allow 3-4 weeks for delivery.

Caliber's 60 DAY WARRANTY: 2 months parts & labor warranty - if we happen to miss something it will show up within the first few weeks of use and we will take care of it!


• 28" cylindrical scrub deck.

• Scrub Head: 900 RPMs of speed, up to 100 lbs of down pressure.

• Battery Powered: 24 volt system w/ 4 6-volt batteries.

• 36.6" squeegee.

• 20 gallon solution & recovery tanks.

Cylindrical deck: 28 inch wide path. The cylindrical deck will wet sweep solid debris into a removable tray while both scrubbing and vacuuming the floor. Both sizes offer (as standard) two premium style grit brushes for aggressive cleaning.  The mixed cleaning solution flows automatically with the rotation of the brushes.  A curved vacuum squeegee retrieves dirty solution and wipes the floor clean.

“AXP” version: “AXP” has the same features as the standard scrubber, but also includes an automatic soap blending system. This machine controlled detergent dispensing system uses an onboard detergent tank which can utilize any manufacturer’s liquid cleaning solution. It is designed to dispense and meter solution directly over the scrub brushes at a preset ratio of soap to water.

• Includes an on-board 24 volt / 25 amp battery charger.

Warranty: Caliber Equipment will cover parts & labor for 2 months.


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general maanager and owner steve baker
Founded by Steve Baker
Owner & General Manager

Steve Baker, Owner & General Manager of Caliber Equipment, Inc. entered the industrial cleaning equipment market in the early 1990s and has since expanded Caliber Equipment into both a local east coast sales, rental and repair hub as well as a vast online supplier and resource for floor cleaning machine information. You can reach Steve by calling 888-550-0945 and he will be happy to help you with any machine questions you may have.