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MULTICUT 820
 

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Overview

The Spearhead 820 rotary wing mower will go way beyond your expectations Particularly when it comes to performance, a massive 8.2m metres of cutting action means you can ‘eat’ your way through the workload – in big chunks! By matching the 820 with a powerful tractor you will achieve impressive productivity.

Working a full day you can easily cut through 90 hectares (220 acres) of the toughest vegetation or the longest grass.The Spearhead 820 has a massive cutting width of 8.2m (27'),. Designed and manufactured in the UK. It is capable of cutting 220 acres (87 hectares) in a 10 hour working day.

● 15 Boron cutting blades for fine chop
● High lift fins on blade to create extra suction
● 5 rotors to ensure even spread of material across the full width
● 250hp divider gearbox with 1 3/4" drive shafts
● All gearboxes are slip clutch protected
● 150mm overlap for clean cutting
Specification

Model MULTICUT 820
Cutting width 8.2m
Overall width 8.4m
Transport width 2.8m
Overall length 6.15m
Transport height 2.6m
Weight* 2,512kg
Number of Rotors 5
Blades 15
Blade overlap 110mm
Blade tip speed 89m/sec
Blade carriers Clevis type
Wing work angle 25 up/10 down
Cutting height range 25 - 400mm
Splitter gearbox rating 170hp
Rotor gearbox rating 111hp
PTO speed 1000rpm
Slip clutch protection 5
Centre section skid shoes Standard
Parallel lift Standard
Wheel eqipment 8 x (10 ply 800 x 12)
Walking axle/ Hydra-gas Standard
Transport locks Standard
Deck protection rings Standard
Rear lights c/w large reflector boards Standard
Over-run clutch Standard
Tractor minimum power requirement** 150hp
 
*Dependant on machine specification **Dependant on conditions
Features

Anti-scalp Discs
Fitted as standard to protect blade pivot bolts and blade carriers on uneven ground. All blade pivot bolts are completely protected.
Deck Protection Rings
Steel rings protect the underside of the cutting deck when cutting in the roughest conditions.
Hydra-gas & Walking Axle
The new Hydra-Gas suspension system (patent applied for) and the walking axle follows the contours of the land much more effectively and gives you far more control. In transport the Hydra-Gas system reduces shock loading by nearly half, resulting in smoother travel.
Hydraulic wing lift
The wings float mechanically during work to eliminate ram seal wear and are raised by independent single acting hydraulic rams for transport. Mechanical lift locks are provided for complete safety.
 
 
Level Lift 
The rotors stay parallel with the ground as the mower is raised and lowered with the adjustable tension rods linking the drawbar and the wheels. Simple adjustment compensates for different tractor heights.
Low Cutting 
A combination of design features, the anti scalp discs, blade design, the parallel lift and mechanical float gives a cutting height down to 25mm.
Performance Driveline
The top grade constant velocity joints in the driveline transmit full power even on tight turns. Proven reliability of the 250hp drive line is reflected in a 2-year guarantee on gearboxes.
Wing Pivots 
Maintenance free full-length 'piano hinges' with large diameter pivot rods give extra strength and reliability.
 
 
Safety Chain Screens 
The full width chain safety screen encloses the back and the front of the mower to contain flying objects without restricting the inflow of material to be cut.
Slip Clutch Protection
Each rotor gearbox is protected from shock loads by a special, Bellevillewasher type, multi plate slip clutch for added durability. (Guards removed for illustration purposes).
Suction
Each of the 7kg boron steel blades has a ‘high-lift’ tail that creates suction which will lift virtually any fallen material ensuring superb performance.
 
Blade Options

Three-blade configuration
The large three-blade option has been designed for maintaining dense vetegation. The three boron steel updraft blades lift material into the cutting zone creating a clean cut in all conditions.Integrated skid pans help protect the blades and rotors from hidden obstacles for extended life.
Applications:
Heavy scrubs Set-aside Gorse clearance Cotton fields
Large verges
 
Six-blade Configuration
The six-blade configuration consists of 6 long boron steel blades which help to increase mulching performance with minimal power requirements. Blades deliver optimum mulching for grass and crop stubbles. Integrated skid pans help protect the blades and rotors from hidden obstacles for extended life.
Applications:
Wheat stubble Rape stubble Cotton fields Maize stubble
 

Downloads

Description File type File size
Multicut 820 product literature PDF 656KB

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