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Designed with maximum efficiency in mind

The Dennis ES-34R is a 34” (860mm) battery-powered twin-blade rotary mower designed for fine turf maintenance and sports pitch clean-up operations. Developed for professional grounds teams, it delivers high-performance cutting and exceptional collection across stadiums, training grounds and managed turf surfaces.

Using contra-rotating steel blades and a precision airflow system, the ES-34R efficiently lifts and removes clippings, debris and surface material in a single pass. This makes it especially effective for post-match pitch clean-up, presentation work and routine turf maintenance.

Powered by advanced lithium-ion battery technology, the ES-34R provides zero-emission operation, low noise levels and reduced vibration, allowing safe and flexible use in stadium environments and during active training schedules.

The ES-34R is fitted with a weather proof colour LCD programmable display and keypad which operates the machine and will feed back information to the operator including ground speed, battery charge level, instructions and much more. This can easily be updated and customised to suit individual customer requirements.

Whilst allowing ground staff to achieve an aesthetically pleasing appearance and desired playing surface, the Dennis E-Series range will also help meet sustainability and environmental initiatives, minimise carbon footprint, emissions, running costs, HAV's and noise without any range anxiety.

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  • 2 section aluminium roller for ease of turning with a great stripe
  • Strong tubular framework ensures protection for drive motors
  • British made 111Ah/5.76kWh battery
  • Contra-rotating twin blades
  • Easy to use click system for height of cut
  • Fully adjustable handlebar
  • Simple lever operated mechanical parking brake
  • Full pitch on a single charge
  • Excellent collection in wet or dry conditions
  • Rapid 2 hour recharge
  • Easy screen control adjustment – charge, speed selection, reverse setting for easy lining up, blade speed according to conditions, distance covered
  • Slow take up speed for smooth set off
  • Ultra low HAV’s and noise allows for full day usage in any environment
  • Huge cost savings on fuel
  • Low maintenance, very low lifetime costs
  • The Dennis ES-34R - A battery-powered twin-blade rotary mower
  • The Dennis ES-34R - (Rear) A battery-powered twin-blade rotary mower
  • ES-34R - 2 section aluminium roller for ease of turning with a great stripe
  • ES-34R - Easy to empty & manoeuvre grass box
  • ES-34R - Recharge in under 2 hours
  • ES-34R - Grass box lift handle
  • ES-34R - Front brush for standing grasses upright
  • ES-34R - Easy to access charging point
  • ES-34R - Easy to use click system for height of cut
  • ES-34R - Simple lever operated mechanical parking brake

Specification

ES-34R Rotary Mower

  • Specification
    Height of cut

    15 mm - 50 mm

    Number of blades

    2

    Cutting width

    860 mm / 34 inches

    Grassbox volume

    80 L

    Rear roller diameter

    168 mm

    Front roller diameter

    89 mm (Optional)

    Speed range
    • Forward 2.0 - 8.5 km/h
    • Reverse 1.5 km/h
    Width

    1170 mm

    Length

    2165 mm

    Height

    1100 mm

    Weight
    • Machine only 235 kg
    • Grassbox only 2.2 kg
    Power source/output
    • 48v Battery System
    • 630W / 1.2kW
    Drive system

    Double sided belt

  • ES-34R - 3000watt Charger for rapid 2 hour re-charge

    ES-34R Chargers

    3000 Watt Charger ((2 hours charge time)

    ES-34R - Weile Roller

    ES-34R Front Mower Options

    ES-34R Front mower Options - Wheels
    Smooth or Weile roller
    Brush

    Multi Charger Hub

    Multi Charger Hub

    Multi Charger Hub can charge multiple E-Series batteries.

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    Notts County Grounds Manager Matthew Hallam Hails Dennis ES-34R as a Game-Changer for Performance, Sustainability and Matchday Presentation

    At one of the oldest professional football clubs in the world, expectations run high -not only on the pitch, but on it too. For Notts County Football Club, delivering elite playing surfaces is the responsibility of Grounds Manager Matthew Hallam who has been maintaining the club’s pitches for the past seven years. Managing a team of four staff across two sites and four pitches, Matthew brings both experience and clear purpose to his role.

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    FLexGrass Strengthens Sustainable Turf Maintenance Strategy with Dennis Electric Technology

    FLexGrass, a specialist in high-performance sports surfaces for elite football and professional sports venues, has successfully integrated Dennis battery-powered turf maintenance equipment into its operations as part of a wider commitment to sustainability, efficiency and surface performance.

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    Peckham Town Football Club Champions Sustainability and Pitch Excellence with Dennis Investment

    Peckham Town Football Club, a long-established community club based in London, has reinforced its commitment to sustainability and high-performance facilities with the acquisition of a Dennis ES-34R electric rotary mower, alongside the addition of a Dennis G860 cassette mower to its maintenance fleet.

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    Why the Dennis ES-34R Electric Rotary Mower Is the Number One Choice for Football Pitch Clean-up Around The World

    Discover why leading football clubs and grounds teams are switching to the ES-34R — a 34" battery-powered rotary mower designed for elite pitch cleanup and turf care. Built for stadiums, training grounds and grassroots clubs, the ES-34R delivers pro-level cutting performance, unbeatable collection, zero emissions and whisper-quiet operation — all in one sustainable package.

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    IMG_8393.jpg

    The Dennis ES-34R is a Hit at Haileybury

    Andy Richards, Grounds Manager at Haileybury School, has praised the Dennis ES-34R battery-powered rotary mower for its sustainability, quiet operation, and exceptional performance.

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    Dennis Mowers at Sports Field Management Association Show 2025.jpg

    Dennis Mowers to Exhibit at SFMA 2025

    Dennis Mowers is pleased to announce that it will be exhibiting at the 2025 Sports Field Management Association (SFMA) Conference and Exhibition, from January 13-16 at the Palm Springs Convention Center, California.

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Trusted quality with consistent performance

The ES-34R is an electric rotary mower providing a cut quality comparable to a cylinder mower whilst allowing operators to hoover, repair and present all in one go. This design builds on our experience of supplying machines that are ideal for fine turf mowing and used across a range of stadia and training facilities.

The Dennis ES-34R - (Rear) A battery-powered twin-blade rotary mower

Ultra low HAV's and noise

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Fully adjustable handlebar

ES-34R - 2 section aluminium roller for ease of turning with a great stripe

Contra-rotating twin blades

Dennis Green 1200.png

Aluminium roller for perfect stripes every time

ES-34R - Easy to use click system for height of cut

Click adjuster for an even cut every time

Dennis Black 1200.png

Slow take up speed for sooth set off

ES-34R - Simple lever operated mechanical parking brake

Easy to operate parking brake

Dennis Gold 1200.png

Excellent collection in wet or dry

ES-34R - Easy to access charging point

Recharge in under 2 hours

Dennis Black 1200.png

Strong tubular framework

ES-34R - Easy to empty & manoeuvre grass box

Easy to remove Grassbox

Dennis Green 1200.png

British made 111Ah/5.76kWh battery

The ES-34R in action

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ES-34R

Testimonials

  • ''Using the ES-34R we can be greener and more environmentally responsible. We can clean up without any disruption to media after games. There’s no pollution for our staff to breathe in and the vibration on the machine is much lower too. From a financial perspective the club is really happy. There’s no engine, so a lot of costs are gone straight away. Over the years, financially, it makes total sense. We absolutely love the screen. We can adjust walking speed, blade speed and choose exactly how we want to clean up or cut. We can also monitor battery life, so the lads know exactly how much charge is left. You can even see distance covered. It just makes everything more controlled and more professional.”

    Matthew Hallam

    Grounds Manager Notts County FC

  • ''Sustainability is a big focus for the school, and the ES-34R delivers. It’s versatile, easy to use, and perfect year-round—from football and rugby pitches in winter to cricket squares in summer. It cleans up quickly after matches, is far more user-friendly than petrol mowers, saves on fuel, and is low-maintenance and reliable—vital when managing multiple pitches. The electric range is a real step forward. Dennis even adapted it to cut to 8mm for our cricket squares. I’m particular about equipment, but I’ve used Dennis my whole career. I trust the brand, the mowers are the best on the market, and I can’t see myself ever changing''

    Andy Richards

    Grounds Manager at Haileybury School

  • "I had a few electric rotaries on demonstration, one of them being the Dennis ES-34R, and the Dennis stood out by quite a way. My favourite feature on it is the toggle switch, which works like a clutch, so you operate that with your thumb, and it's just very easy to use and manoeuvre the machine. They do a brilliant job at hoovering up all the debris. But the finish on the ES-34R is incredible too. You could use the ES-34R on a matchday to prepare the pitch; it is that good. I also like how you can control walking speed, cutting speed and adjust the height of cut very easily.

    Colin Davie

    Head Groundsman, Heart of Midlothian F.C

  • ''“The FAW is passionate about sustainability, and the ES-34R helps us achieve that. Its silent operation means we can cut pitches during training, making our days much easier. The mowers leave a great stripe, collect debris with excellent suction, and even handle wet conditions thanks to the adjustable blade speed. With their size and efficiency, three of us can now finish a pitch in 45 minutes- compared to three hours with our old rotary mowers.”

    James Mathewson

    Head Groundsperson,Colliers Park National Football Development Centre

  • '“I looked at other battery mowers, but it was always going to be Dennis. I’ve always been a fan of Dennis and SISIS—they make the best machines on the market. We replaced our PRO 34R with the electric ES-34R, and while I loved the petrol version, the ES-34R is on another level—the best mower I’ve ever used. For a 34-inch mower, it’s incredibly easy to manoeuvre, and being electric means fewer problems. We’ve used it almost daily without a single issue, and it’s saved us money on maintenance too.”

    Richard Hare

    Head Groundsperson at the prestigious Bromsgrove School

  • “Predominantly, we use the ES-34R on the cricket square during the summer and on the rugby pitches during the winter months. It is such a quick machine - we can cut a cricket square in both directions in 42 minutes and a rugby pitch in less than 4 hours. We can use the ES-34R for about 7 hours before it needs charging. It is such a quick charge too – we put it on charge while we are having lunch and by the time we are finished, it is pretty much fully charged. The ES-34R always provides an equally as good cut, if not a better cut, than most cylinder mowers. Also, it works like a vacuum, so it is picking all the debris up as well. It is a highly efficient mower, leaves a brilliant finish.”

    Oliver Baldi-Turner

    Groundsman, Bromsgrove School

  • “During Covid, we were only allowed to use quieter electric machines after games, and the ES-34R was perfect. Dennis mowers have always been reliable, with great back-up, and this one adds speed and flexibility. The blade settings let us switch between powerful debris collection or a quick full-pitch cut in under an hour. The LCD screen makes adjustments simple, charging is fast, and battery life is outstanding—we can do a full pitch with 70% charge left. The ES-34R leaves a bold stripe, is comfortable to use for hours, and has become a key part of our matchday preparation.”

    Anthony Parker

    Deputy Head of Grounds, Wolverhampton Football Club

  • ''With the ES-34R's there is no noise during post-match clean-up work. They have made a huge difference for staff and stadium events. They are comfortable, quiet and safe for our team with no emissions at the point of use''

    Andy Jackson

    Head of Grounds, Stoke City FC

  • “The ES – 34R battery life is unbelievable, one mower will do a whole pitch and you can still have at least 40% battery life left”

    Ian Lucas

    AFC Bournemouth

  • “Dennis is absolutely the best brand you can get for a football pitch or any kind of sports pitch. I’d always admired other clubs using Dennis equipment, and now we’ve got one ourselves, it feels elite. The electric mower has been a massive upgrade for us as a green club — the noise is cut in half, there’s no pollution, and it’s incredibly easy to use. I’d never used a Dennis machine before, but within three weeks people thought I’d been doing it for years. The battery life is fantastic, the adjustable speed settings are brilliant, and the quality of the pitch has become so good that other groundsmen now come to our ground just to ask how we do it.”

    Bryan Hall

    Chairman and Founder of Peckham Town FC (London)

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