730 2020

The capability of the Stubble Master 730 is designed to appeal to large scale farmers and contractors; demanding excellent output coupled with a fine mulch and efficient spread to ensure the very best in the effective management of crop stubble residues.

Boasting an abundance of intelligent design features the full specification of the Stubble Master 730 establishes it firmly at the top of its class.
Supplied standard with Spearhead’s unique six-blade HD6 cutting system the machine chops vegetation fine and breaks down remaining residues to allow faster decomposition.

The machine also features a twin skin monocoque style deck design that includes both a smooth top and underside, encouraging self-cleaning whilst maintaining the most effective cutting performance and throughput in heavy crops.

The delta style shaping of the machine enhances material flow and drives an even spread from the back of the mulcher whilst various wheel and tyre options, fine cutting height adjustment and full width walking axles allow scalping of vegetation within touching distance of the soil.


Cutting capacity: 100mm (4″) DIA
Recommended tractor HP: 160hp / 119kW
Frame & Dimensions
Input shaft: 1-3/8″ Z21 or Z6 SFT 8 tractor end or 1-3/4″ Z20 or Z6 SFT 8 tractor end
Power take-off speed: 1000rpm
Gearbox: Cast iron housing
Gearbox lubricant: EP80-90W or GL-4 / GL-5 oil
Gearbox oil capacity: 2.7 litres / 4.7 pints
Deck construction: All welded construction
Deck material thickness: 3mm (1/8″)
Side skirt material thickness: 8mm (5/16″)
Skid construction: Replaceable bolt-on skid shoes
Anti-scalp dish: 5mm (3/16″) with blade holder bar
Blades (x15): 12mm (1/2″) 30 Carbon Boron hardened and tempered. Free swinging high lift – low friction. Handed.
Blade bolts: M24 C/W shank grade 8.8
Blade tip speed: 81mps / 15944fpm
Driveline: ASAE Category 6
Driveline protection: 2/4 way slip clutches on rotor gearboxes. Overrun on input shaft
Tailwheel mount assembly: Tubular welded walking axles
Tailwheels: x8 7.00 – 12 pneumatic tyre with steel hub
Front guard: Single chain guards on each deck
Rear guard: Single chain guards on each deck

Spearhead Green

Contact Information

44 Stuart St. Ardersier, Inverness-Shire IV2 7RS
01667 462 608

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