The Koblenz U40DC is a commercial upright for the crew that has to cover a lot of carpet on foot. It pairs a 12-inch cleaning path with a 5-amp motor in a chassis that weighs only 11.4 pounds, which is the combination office-cleaning contractors, school custodial departments and hotel housekeeping teams keep coming back to. The DC in the name is the dust cup: bagless collection that a crew empties directly, with no disposable bag inventory to manage.
This is a route machine rather than a restoration machine. It is built to be carried, plugged in, run for a shift and serviced without tools, not to strip a floor or pull water.
Built for
- Nightly and daytime office routes. At 63.3 dB it is quiet enough to run past occupied desks, and the 35 ft cord covers a large floor plate from a single outlet.
- Multi-floor buildings and stairs. At 11.4 pounds one person carries it up a flight without a second trip or a second set of hands.
- Schools, hotels and healthcare corridors. The ABS hood and chassis resists the doorframe and furniture-leg impacts that crack lighter housings on a high-traffic route.
- Fleets that service their own equipment. Tool-free access to the belt, brush roll and fan chamber keeps belt changes in-house instead of sending machines out.
Contract cleaning has a specific failure mode: the vacuum that is too heavy gets used badly, and the vacuum that is too loud gets used at the wrong hour or not at all. Koblenz built the Endurance uprights around both problems. At well under twelve pounds the machine can be carried up a stair flight in one hand, and the noise level sits low enough that a route can run through occupied offices without a complaint reaching the account manager.
Serviceability is the other half. The belt, brush roll and fan chamber open without tools, which means a cut belt is a two-minute fix in a janitor's closet rather than a machine sent out for repair. Koblenz rates the motors in this family for a minimum of 300 hours of running time, and the ABS hood and chassis are chosen to survive the doorframe and desk-leg collisions that are simply part of the work.
Specifications
- Cleaning path: 12 inches
- Motor: 5 amps
- Airflow: 120 CFM
- Noise level: 63.3 dB
- Cord length: 35 ft, 3-wire
- Bag type: Dust cup
- Net weight: 11.4 lb
- Shipping weight: 17.6 lb
- Electrical rating: 120V ~ 60Hz
- Housing: ABS hood and chassis
- Service access: no tools required for belt, brush roll and fan chamber
- Warranty: 1 year limited
Frequently asked questions
What kind of bag does this model use?
It uses a dust cup rather than a bag. Empty it at the end of a route and put the machine back on the cart.
How wide is the cleaning path?
Twelve inches, which is the standard path width for single-motor commercial uprights used on office routes.
Can the belt and brush roll be serviced without tools?
Yes. Access to the belt, brush roll and fan chamber requires no tools, so a belt change can be done on site.
What warranty comes with it?
A one year limited warranty.
How long is the power cord?
The cord is 35 ft, a three-wire commercial line cord.
Is it quiet enough for daytime cleaning?
It runs at 63.3 dB, which is low enough for most occupied offices and is a common reason this line is chosen for daytime routes.
Discount Cleaning Products is an authorized Koblenz dealer. Orders ship from US stock with US-based support, and our team can help match the right machine, accessory or wear part to the floors you actually clean. If you are not sure which configuration fits your route, contact us before you order.
