Rotary mower

Spearhead Multicut 660HD

Robust rotary mower from Spearhead – the No. 1 in heavy-duty rotary mowers for agricultural and airfield applications.

Machine weight*: 3850 kg (8488 lbs)
Hitch: drawbar with multiple positions
Cutting width: 6.31 m (20′ 8″) Machine working width: 6.51 m (21′ 4″)
Machine transport width: 2.33 m (7′ 8″)
Maximum working length: 5.80 m (19′ 1″)
Transport length: 5.66 m (18′ 7″)
Cutting deck height: 0.30 m (1′)
Transport height: 3.10 m (10′ 2″)
Cutting height: 0 mm – 495 mm (0″ – 19 1/2″)
Cutting capacity: 100 mm (4″)
Side arm working angles: 45° upwards / 15° downwards
Recommended tractor power: 120 hp (89 kW)
PTO speed: 1000 rpm Gearbox(es): 6 x cast iron housing. Input shaft: 1 3/8″ Z21 or Z6 SFT 8 on the tractor side. Gearbox lubricant [rotor]: 85W-140 oil.
Gearbox lubricant [splitter]: 85W-140 oil.
Gearbox oil capacity [splitter gearbox]: 3.5 liters (6.1 pints)
Gearbox oil capacity [center gearbox]: 4.3 liters (7.6 pints)
Gearbox oil capacity [side gearboxes]: 4 x 4.3 liters (7.6 pints)
Cutting deck construction: Fully welded construction
Cutting deck material thickness: 5 mm (3/16″)
Side skirt material thickness: 6 mm (1/4″)
Slider construction: Replaceable, bolted sliders; Anti-scalp shield: 6 mm (1/4″) round shield with blade holder bar; Standard blades: 15 x 12 mm (1/2″) 30 Carbon Boron, hardened and tempered. Free-swinging, high lift – low friction; Star-shaped blades: 15 x 12 mm (1/2″) 30 carbon-boron steel, hardened and tempered. Free-swinging, low friction – non-shear; Blade bolts: M24 with shank, class 8.8; Blade tip speed: 93 mps (18,307 fpm)
Drivetrain: ASAE category 6
Drivetrain protection: 2/4-way slip clutches on rotor gearboxes.
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Overload protection on input shaft Rear wheel mounting sets:
Tubular, welded axles
Wheels: 8 x 10.0 / 80 x 12 – AW – 909 TL 10-ply tire with steel rim
Front protection: Chain guards with loops on each deck
Rear protection: Chain guards with loops on each deck
Options: Drive shaft with 6, 21 or 8 splines / Standard, pivoting drawbars or K80 drawbars / Set of front flaps / Set of front running wheels

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