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SR420
One of McConnel’s most popular mowers, the SR420 is lighter and slightly more manoeuvrable than the SR15. It also features anti-scalp discs, a floating linkage system, deck protection rings, and a wider choice of cutting heights.
Models Available
SR420
HP Requirement
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Overview
Ideal for large-scale farmers, local government teams, and professional mowing contractors, SR series machines can be used in a huge variety of applications from airports and sports venues to pasture and stubble.
McConnel’s range of high-performance delta wing rotary mowers has been designed to deliver peak performance over the ground with working widths from 4.2 to 8.2m, flexible wings, and powerful triple rotors.
Hardened updraft swinging blades ensure an effective cutting capacity of up to 50mm, while hydraulically folding wings enable a fast and smooth transition from transport to working position.
Features
- 4.2m working widths
- Floating linkage system
- 57 degrees of wing movement (+45o up, -12o down)
- Heavy-duty gearboxes
- 1000rpm wide angle PTO (check)
- Slip Clutch Protection
- Front and rear chain guards
- Hardened updraft swinging blades
- Cutting heights from 10m to 400mm
- 100mm cutting capacity
- Six blades
- Overlapping blades
- 4,800m per minute blade speed
- Low tractor hp requirement (70hp)
Specification
| Model | SR420 |
|---|---|
| Working Width | 4.45m (14'7") |
| HP Requirement | 80hp (60kW) |
| Weight | 1875kg (4134lbs) |
| Attachment | 3-point linkage |
| Cutting Height | 25mm – 400mm (1″ – 1′ 4″) |
| Cutting Capacity | 100mm (4″) |
| Deck Height* | 0.73m (2′ 5″) |
| Overall Width | 4.71m (15′ 6″) |
| Overall Length | 3.62m (11′ 11″) |
| Transport Width | 2.8m / 9' 2" |
| Transport Height | 2.0m / 6' 6" |
| PTO Speed | 1,000rpm |
| Deck construction | All welded construction |
| Deck material thickness | 4mm (3/16″) |
| Skid construction | Replaceable bolt on skid shoes |
| Side skirt material thickness | 6mm (1/4″) |
| Driveline | ASAE Category 5 |
| Protection | Overrun clutch on input PTO shaft and 2-plate slip clutches on wing driveshafts |
| Number of Blades | 6 x 10mm (3/8″) 30 Carbon Boron hardened and tempered. Free swinging high lift – low friction |
| Blade bolts | M24 C/W shank grade 8.8 |
| Number of Rotors | 3 |
| Blade Overlap | 110mm |
| Blade Tip Speed | 75 m/s (14764 fpm) |
| Hydraulic wing flex | 45° up / 12° down |
| Anti-scalp dish | 5mm (3/16″) round pan with blade holder bar |
| Input shaft | 1-3/8″ Z6 input shaft |
| Gearbox [splitter] | Splitter - Cast Iron housing |
| Gearbox [rotor] | Rotor x 3 - Cast Iron housing |
| Gearbox oil capacity [splitter gearbox] | 4.3 litres (7.6 pints) |
| Gearbox oil capacity [centre gearbox] | n/a |
| Gearbox oil capacity [rotor gearboxes] | TBC |
| Wheels and Tyres | 4 wheels - 5.00-8 rubber tyre with steel hub |
| Wheel mount assembly | Welded box section arm and caster fork with 360 degree swivel |
| Front guard | Single, two-piece chain guard |
| Rear guard | Single chain guard |
*Underside of deck to skid
Gallery
