- Bowls
- Croquet
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- Cricket
- Golf
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- Local Authority
The "two-in-one" machine
The S500 PLUS is an easy to use 'dual -purpose' machine and is ideal for bowls, cricket and golf as well as being equally at home on other fine turf surfaces.
The machine has a 510mm (20") operating width and has interchangeable spiker and slotter reels. The spiker reel punches through the "surface pan" allowing air, water and fertiliser to penetrate the root zone, whilst the slotter reel creates ideal seed germination pockets. An optional seed box is available and the 3 mm x 20 mm wide slots give a massive 3% of holes on any green..
- 510mm(20") Operating Width
- Honda power – ultimate easy start long life engine with Q9 low noise low vibration technology
- Interchangeable spiker and slotter reels
- Interchangeable spiker and slotter reels
- Large diameter spiker reel for maximum penetration
- Simple changeover reel lock-easy to change over reels – under 1 minute
- Easy to manoeuvre into and out of corners
- Easy to clean reels
- Only 90 minutes to spike/slot and seed the average sized bowling green
- Simple heavy duty ground driven seeder box option
- Compact handle design and simple to operate controls
Specification
S500 Plus
Specification Operating Width 500 mm (20")
Speed 0-3mph
Dimensions L x W x H 920 x 840 x 1003mm
Weight (inc Cyl) 95kg
Engine Petrol HondaGX120
Product Codes Power unit with slotter reel: D135/1
Power unit with spiker reel: D135/2
Power unit with slotter and seeder box: D135/3
Additional slotter reel: D136/1
Additional spiker reel: D136/2
Interchangeable spiker and slotter reels allowing duel use of the machine
Seeding is simple with the Dennis S500
View ArticleThe Dennis S500 Plus seeder is helping to get the lawns into shape at Cheltenham Ladies’ College according to Ross Spry, Head of Grounds and Gardens.
Dennis & SISIS conclude bowls seminar programme 2023
View ArticleDennis and SISIS recently concluded their annual spring bowling green maintenance seminar programme, and by all accounts it was another huge success.
Dennis S500 Plus performs at Victoria Park
View ArticleMike Finch of idverde has praised the performance of the Dennis S500 Plus seeder which he uses on the five greens at Victoria Park in Royal Leamington Spa.
Simple operation, excellent performace
The slotter head creates ideal seed germination pockets reducing seed wastage and improving the chances of survival. With the optional seed box attachment, grass seed is dropped onto the ground at the prescribed rate and brushed into the pockets enabling mowing and playing to continue without compromising the seeds chances.
FAQ
- What is the S500 PLUS designed for?
The S500 PLUS is a dual-purpose turf maintenance machine ideal for: Bowls greens, Cricket pitches, Golf courses, Other fine turf surfaces, It’s designed to spike, slot and (with the optional seeder box) seed turf quickly and efficiently allowing air, water and nutrients to penetrate the root zone.
- What is the working width of the S500 plus?
20'' (50.8 cm)
- Which engine is fitted to the S500 plus?
Honda GX120
- Are the moving parts replaceable?
Yes they are fully replaceable and can be found in our Spares Shop.
- Which options are available?
You can choose the slotter reel , the spiker reel or the slotter and seeder box. Additional slotter and spiker reels are available.
- How wide are the slots? (spiker)
3 mm x 20 mm
- Is there an optional seeding function?
Yes – an optional heavy-duty ground-driven seeder box can be added to slot and seed in one operation.
- How easy is it to change reels?
The machine uses a simple changeover reel lock system – swap reels in under one minute.
- How long does it take to cover a bowling green?
At normal working speed, it takes around 90 minutes to spike, slot, and seed an average-sized bowling green.
- What is the working speed?
The machine operates at 0–3mph.
- What is the weight of the S500 plus?
The S500 PLUS weighs 95kg (including the cylinder/reel).
Have more questions? Get in touch
Learn More
Our offices will be closed over the bank holiday from 4:30pm Thursday 2nd April, opening again at 8:00am on Tuesday 7th April 2026. Should you need assistance before the break, please do get in touch, we’re here to help.