MOUNTFIELD 1643H SD TWIN Lawn Tractor (2T1220483/M21)
£2,689.00 £2,939.00
Brand: Mountfield
Model: 1643H-SD
SKU: 2T1220483/M21


Mountfield 1643H-SD Garden Tractor with  108cm Cutting Deck

The 1643H-SD Twin is a dedicated side discharge tractor with a 108cm twin-bladed deck.
With extra power from the upgraded Powered by STIGA ST550 twin-cylinder engine making the toughest and largest areas a cinch to cut. It really is a lawn tractor perfect for all gardens up to 3-acres in size.

Powered by STIGA with an ST 550 585cc Twin cylinder engine
108cm cutting width
Hydrostatic Transmission
Seven Cutting height positions, 25 – 80mm

Mulching Plug & Tow Hitch included
Backed by a five-year extended warranty (T&Cs apply).

The 1643H-SD Twin is a fantastic side discharge lawn tractor. It cuts the grass into fine pieces and then blows them down onto the surface of the lawn. They wilt, rot down and release valuable nutrients back into the soil to aid strong growth. This saves you the money usually spent on lawn fertilisers and time emptying clipping collectors.

Up-graded for 2021, the 1643H-SD Twin is now powered by STIGA with the ST550 585cc Twin cylinder engine for added power to cut through the toughest of lawns. With no bulky collection basket present, it is also highly manoeuvrable.

The 108cm twin bladed cutting deck makes light work of large areas and the hydrostatic transmission, akin to the automatic transmission in cars, is slick. There are seven cutting heights all selected using one lever and a simple flick of a switch engages the blades.

If mulching isn’t possible – the grass is way too long after a few weeks holiday or a prolonged spell of wet weather – simply choose the side-discharge arm to blow clippings away from the lawn.

A towing hitch is included making the 1643H-SD Twin ready to use with a variety of towed accessories that are available as optional extras.

Cutting System
Minimum uncut radius 65cm
Cutting method Side discharge
Cutting width 108cm
Reverse mowing Yes
Blade rotation Untimed
Cutting height adjustment Manual with lever
Cutting height positions 7 positions
Cutting height range 25 - 80mm
Number of blades 2
Blade type Mulching
Additional cutting method Mulching
Blade engagement type Electric
Transmission type Hydrostatic
Transmission method Pedal-operated
Tools Kit
Mulching kit Included
Battery charger Single standard
Trailer hitch kit Included
Overall Dimensions
Pack weight 207.5 kg
Product length 1726 mm
Product width 1315 mm
Product height 1100 mm
Weight 159 kg
Battery capacity 18 Ah
Power source Petrol
Power 10.8 kW
Engine Brand STIGA
Engine model ST 550 Twin Powered by STIGA
Displacement 586 cm³
Engine rotation speed 2800 rpm
Battery Voltage 12 V
Choke Manual
Engine cooling Air
Fuel tank capacity 6 l
Maximum working area 3 Acres
Drive System
Traction Rear-wheel drive
Steering wheel Mountfield ergonomic
Seat type Mountfield classic
Seat adjustment Screws
Front wheel size 15 x 5.00-6
Rear wheel size 18 x 8.50-8
Headlights Conventional
Bumper Yes
Washing link Yes
Storage compartment Yes
Cup holder Yes
Pivoting front axle Yes
Antiscalp wheels 2
Safety system Seat with Safety Contact Breaker
Vibration and Noise Data
Max vibration on driver's seat (m/s2) 1.2
Measured sound pressure level at operator ear dB(A) 87
Measured sound power level dB(A) 99
Max vibration on steering wheels (m/s2) 3
Guaranteed sound power level (LwA) - dB(A) 100

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