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Mercury Floor Machines H-20E Hercules Floor Machine โ€“ 20

Mercury Floor Machines H-20E Hercules Floor Machine โ€“ 20", 175 RPM, 108 lbs

Brand: Mercury Floor Machines SKU: H-20E In Stock – Ready to Ship
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Mercury H-20E Hercules: 20" Super Heavy-Duty Floor Machine at 175 RPM

The H-20E is the 20" apron model in the Hercules series โ€” one inch narrower than the H-21E but carrying the same 108 lb machine weight, 1.5 HP dual-capacitor A/C motor, and triple-planetary gearbox. For facilities where 21" is the maximum width that equipment aisles, service corridors, or elevator lobbies allow, the H-20E delivers identical pad pressure and motor performance in a slightly narrower footprint.

H-20E Motor, Transmission, and Pad Specifications

  • Apron size: 20" โ€” one inch narrower than the H-21E; passes through 21" doorways that stop the wider model
  • Speed: 175 RPM โ€” single-speed for stripping, scrubbing, buffing, and bonnet cleaning
  • Machine weight: 108 lbs โ€” same as the H-21E; slightly higher pad pressure per square inch due to smaller pad area
  • Motor: 1.5 HP A/C dual-capacitor โ€” run capacitor reduces heat during sustained stripping and scrubbing cycles
  • Transmission: Triple-planetary gearbox โ€” torque multiplication through three sequential planetary gear sets
  • Included accessories: 19" pad driver and 18" rotary brush
  • Electrical: Up to 15A draw; two 15A circuits recommended for sustained operation

Where the H-20E Fits Compared to Adjacent Hercules Models

The Hercules series spans four apron widths: 17", 19", 20", and 21". The H-20E sits between the H-19E (107 lbs) and H-21E (108 lbs) in weight. For facilities that have tested the H-21E and found it one inch too wide for a specific doorway or equipment bay, the H-20E provides the same motor and transmission in a machine that fits. Choosing between the H-20E and H-19E comes down to whether the facility can accommodate the extra inch of apron width โ€” the H-20E covers slightly more floor per pass, while the H-19E at 107 lbs is marginally lighter, which matters only on ramps or stairs during transport. In terms of cleaning performance on flat floors, both machines run the same motor at the same speed.

Dual-Capacitor Motor and Triple-Planetary Gearbox at 20" Scale

The same motor and gearbox platform used in the H-21E powers the H-20E. The dual-capacitor A/C motor's run capacitor keeps the motor's power factor corrected under load, which matters most during stripping โ€” where the pad encounters maximum resistance from the finish layer and the gearbox must sustain full torque for the duration of each pass. The triple-planetary gearbox distributes that torque evenly to the 20" pad, so pressure remains consistent across the full pad area rather than concentrating at the center. At 108 lbs on a 20" pad, the H-20E produces slightly higher pounds-per-square-inch than the 21" model, which can improve single-pass effectiveness on thick or old finish layers.

Specification Value
Model H-20E
Apron Size 20"
Speed 175 RPM
Machine Weight 108 lbs
Motor 1.5 HP A/C Dual-Capacitor
Amperage Draw Up to 15A (2 circuits)
Transmission Triple-Planetary
Pad Driver Included 19"
Rotary Brush Included 18"

Documents

Owner's Manual ยท Parts List ยท Sell Sheet ยท Wiring Diagram

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

What is the difference between the H-20E and H-21E?
The H-20E uses a 20" apron versus the H-21E's 21" apron. Both machines weigh 108 lbs and use the same 1.5 HP dual-capacitor A/C motor with a triple-planetary gearbox at 175 RPM. The H-20E fits through narrower doorways or aisles that the 21" model cannot pass. Per-square-inch pad pressure is slightly higher on the H-20E due to the same weight on a smaller pad area.
How does the H-20E compare to the H-19E?
The H-20E weighs 108 lbs and uses a 20" apron. The H-19E weighs 107 lbs and uses a 19" apron. Both run at 175 RPM with the same motor and gearbox platform. The H-20E covers one additional inch of floor width per pass. The H-19E's slightly lower weight (1 lb) is not meaningful for cleaning performance but is marginally relevant when transporting the machine up stairs or ramps.
What accessories come with the H-20E?
The H-20E includes a 19" pad driver and an 18" rotary brush. Standard 19" floor pads fit the pad driver: black (stripping), green (scrubbing), red (cleaning), white or tan (polishing/buffing). The 18" rotary brush is suited for scrubbing textured tile or grout lines where pad-only contact is insufficient.
What electrical supply does the H-20E need?
The H-20E draws up to 15A under load. Two 15A circuits are recommended for extended stripping or scrubbing work. Single-circuit operation is possible for lighter tasks โ€” buffing or light scrubbing โ€” but sustained stripping should be done on two circuits to avoid tripping a single breaker under peak load.
Can the H-20E strip finish in a single pass?
On most commercial-grade wax or acrylic finish systems, yes โ€” when used with a black stripping pad and the appropriate chemical dwell time. The triple-planetary gearbox delivers high torque at 175 RPM, and the 108 lb machine weight adds downward force. Finish that has been built up over many coats without interim stripping may require two passes or a longer chemical dwell before single-pass removal is effective.
Is the H-20E suitable for scrubbing textured ceramic tile?
Yes. Use the included 18" rotary brush rather than the pad driver on textured tile. The brush bristles reach into grout lines and surface texture that a flat pad cannot contact effectively. At 175 RPM and 108 lbs, the brush applies consistent downward pressure across the full 18" brush diameter without the operator needing to push down.

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Frequently Asked Questions

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We accept Visa, MasterCard, American Express, Diners Club, Discover, major debit cards, and digital wallets like PayPal, Google Pay, Meta Pay, and Apple Pay.

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Your credit/debit card or PayPal account will be charged when you place your order. Secure payment processing protects your information.

3. Will I receive an order confirmation?

Yes, a confirmation email will be sent to the provided email address once the order is placed.

4. How long does it take to process an order?

Orders are processed within 1-2 business days and then prepared for shipment.

5. How long does it take for my order to arrive?

Estimated arrival time (ETA) is 5-7 business days for all orders.

6. Do you offer warranty?

All our products come with a manufacturer warranty of at least 1 year, depending on the brand.

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