
Simple operating systems mean total control around flowerbeds and complex shaped lawns. The Simplex is available in both 51cm (20”) and 61cm (24”) cutting widths with either a 5 or 7 bladed cylinder and builds upon many of Dennis’ well proven design concepts.
| Specification | 510 | 610 |
|---|---|---|
| Cutting Width | 510mm (20") | 610mm (24") |
| Cylinder | 5 or 7 blade | |
| Height of Cut | 6mm - 30mm (1.1/4") | |
| Cutter Performance | 100 cuts/m (92 cuts/yd) | |
| Dimensions L x W x H | 1300 x 700 x 1000mm | 1300 x 800 x 1000 |
| Weight (inc Cyl) | 120kg | 100kg |
| Engine Petrol | Honda 4hp | |
510 – D009/R
610 – D010/R

Dennis and SISIS will once again be exhibiting at BTME 2018 on stand A5 where greenkeepers, course managers and turf managers will be able to view an extensive range of turf maintenance equipment.
The Simplex is a versatile cylinder mower designed for: Cricket squares and pitches, Golf courses and tees, Ornamental lawns, Local authority-maintained turf
Its simple operating systems make it especially effective for mowing around flowerbeds and complex-shaped lawns.
The Simplex is available in two sizes:510mm (20"), 610mm (24")
You can choose between:5-blade cylinder – for general cutting and longer grass, 7-blade cylinder – for a finer finish on well-maintained turf
Two-piece aluminium rear roller with steel differential for long life and easy turning
7mm to 30mm
Honda GX120
510mm model: 120kg (including cylinder) 610mm model: 100kg (including cylinder)
1300 x 700 x 1000mm (510mm).. 1300 x 800 x 1000(610mm)
Rubber coated rear roller, 7 blade cylinder instead of 11.

Christmas Closure:
We will be closed from 25th Dec 2025 – 1st Jan 2026.
We’re here to support you up to 24th Dec and we reopen on 2nd Jan 2026.
Should you need assistance before the break, please do get in touch, we’re here to help.
If you would like to leave us a message, we will respond on our return: