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Mercury Floor Machines A-163-1 BOSS Floor Machine Apron – 13

Mercury Floor Machines A-163-1 BOSS Floor Machine Apron – 13", 3 lbs, with Bumper

Brand: Mercury Floor MachinesSKU: A-163-1In Stock – Ready to Ship
$110.00
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Mercury A-163-1: 13" Apron with Bumper for BOSS Floor Machines

The A-163-1 is the narrowest apron in the BOSS machine series — 13" with a non-marking bumper and three-thumb-screw installation. At 3 lbs, it is the lightest in the series by 1 lb (vs. the 15" at 4 lbs). For BOSS machine operations in the tightest access zones — walk-in cooler lanes, server room aisles, laboratory equipment corridors — the 13" apron provides the widest cleaning path that fits, while retaining the BOSS machine's weight, motor, and torque for heavy-duty scrubbing and stripping in those confined spaces.

A-163-1 Specifications and Compatibility

  • Model: A-163-1
  • Apron size: 13 inches — narrowest in the BOSS apron series
  • Weight: 3 lbs — lightest in the series
  • Bumper: Non-marking perimeter bumper — integrated into the apron assembly
  • Installation: Three thumb screws — tool-free, interchangeable with all BOSS apron sizes
  • Compatible machines: Mercury BOSS-1 and BOSS-2 Heavy-Duty Floor Machines

The 13" Apron in the Context of the Full BOSS Apron System

The BOSS machine's interchangeable apron system is designed to make one heavy-duty floor machine serve the full range of cleaning zones in a facility — from large open areas with the 21" apron to the tightest confined access points with the 13" apron. The key advantage of the 13" apron over buying a separate 13" floor machine for narrow zones is that the BOSS machine body maintains its full weight (90–107 lbs depending on configuration, plus optional UWK weight kit) regardless of which apron is installed. A purpose-built 13" floor machine in the 75–85 lb range delivers less downward pad force than the BOSS machine with the A-163-1 apron at full weight. For stripping and scrubbing tasks in confined zones, that weight difference produces measurably better single-pass results. The 13" apron also pairs with the Unicorn Weight Kit: adding up to 50 lbs of additional weight on the smallest apron produces the highest pad pressure per square inch of any BOSS configuration.

Non-Marking Bumper Application in 13" Access Zones

In a 13" access zone, the machine has minimal side clearance — often 1–2 inches on each side throughout the full pass. The non-marking bumper on the A-163-1 continuously protects adjacent walls, equipment legs, and racking uprights from contact damage throughout each pass, not just at the end turns. This is distinct from wider apron sizes where the bumper primarily protects during direction changes at room edges. In truly confined zones, the bumper contacts adjacent surfaces continuously and must maintain its non-marking characteristic throughout the cleaning session — inspect the bumper material for embedded grit or debris before cleaning in zones with painted or finished wall surfaces, as contaminated bumper material can transfer marks even if the bumper itself is non-marking.

Specification Value
Model A-163-1
Apron Size 13 inches
Weight 3 lbs
Bumper Non-marking perimeter bumper
Installation 3 thumb screws (tool-free)
Compatible Machines Mercury BOSS-1, BOSS-2

Manufacturer's Warranty

This product comes with a full manufacturer's warranty. All warranty claims are handled directly by the manufacturer.

For specific warranty details, please contact us at (978) 295-7538 or email info@uscleaningtools.com

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Frequently Asked Questions

Is the A-163-1 the narrowest BOSS apron available?
Yes. The A-163-1 at 13" is the narrowest apron in the BOSS series. The next size up is the 15" A-167-1. If 13" is still too wide for a specific access zone, the BOSS machine cannot access that zone without further modification — a separate purpose-built machine would be required.
How does using the BOSS machine with a 13" apron compare to a purpose-built 13" floor machine?
The BOSS machine with the A-163-1 apron weighs 90–107 lbs (plus optional added weight), depending on configuration. Purpose-built 13" floor machines typically weigh 75–85 lbs. The BOSS machine delivers 5–32 lbs more downward force on the 13" pad — which translates to higher stripping and scrubbing effectiveness per pass in the confined zone.
Can the Unicorn Weight Kit be used with the 13" apron?
Yes. Adding up to 50 lbs via the UWK while running the 13" apron produces the highest pad pressure per square inch of any BOSS machine configuration — the same (or greater) total weight on the smallest pad area. This is the most effective BOSS setup for stripping thick or resistant finish in confined access zones.
Which machines is the A-163-1 compatible with?
The A-163-1 is compatible with Mercury BOSS-1 and BOSS-2 Heavy-Duty Floor Machines only. It is not compatible with Hercules, Lo-Boy, or other Mercury floor machine series.
Does the A-163-1 include a pad driver?
No. The A-163-1 is the apron assembly only. Order the compatible pad driver separately from Mercury's BOSS machine parts list for the correct size for a 13" apron.

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