AS 940 Sherpa 4WD Loncin

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High-grass, ride-on mower with permanent all-wheel drive

The AS 940 Sherpa 4WD is a robust, versatile ride-on mower for difficult terrain and high growth. The machine’s 2-cylinder Loncin engine with 708 ccm displacement, up to 21,7 hp and an oil and fuel pump achieve work rates reaching 5,500 m² per hour. Permanent all-wheel drive delivers better traction uphill and stronger, safer braking downhill. The limited slip differential can be activated at any time for more safety. Hydrostatic transmission is controlled exclusively via the drive lever, which controls forward and reverse movements as well as the brake and the parking brake. An additional brake pedal returns the drive lever to neutral and automatically engages the parking brake.

The professional 2-cylinder Loncin engine delivers a rated power of 21.2 hp with its 708 cm3. Equipped with the AS cross-blade system, the AS 940 Sherpa 4WD delivers impressive mulching results in grass and dense growth up to 1.5 meters high. Bearing-supported blades cut the grass while a mulching blade positioned above them shreds the cuttings, which are then deposited between the wheels for added safety on slopes and wet grass. The mower deck’s surfing suspension yields upwards to obstacles, protecting the blades and turf from damage. Cutting heights can be adjusted to 5 levels from 50–105 cm and an option mulch kit is available for even finer mulching results.

Stability and comfort

With a highly stable tubular frame, the AS 940 Sherpa 4WD performs even under harsh conditions. Operators up to 1.9 tall can operate the machine comfortably thanks to a length-adjustable seat and seat spring package. A low centre of gravity, folding bar and branch deflectors are added safety features, while lashing points integrated in the frame enable secure transport.

The AS 940 Sherpa 4WD is engineered for continuous operation with two separate ventilation circuits for the engine and hydrostatic transmission. The engine takes in air from above and discharges it to the side, while the hydrostatic transmission takes air from the rear and discharges it downward. This system prevents overheating and ensures the machine’s long service life.

The AS-Motor all-wheel drive ride-on mowers in a new design

The all-wheel drive models of the AS-Motor Sherpa family will appear in a new design in the future. Visually, the new 2023 Sherpa 4WD models are even more attractive with a new paint finish, an additional front panel and the newly designed decals. But the new AS Sherpa 4WD high grass mowers also offer a number of technical innovations.

All all-wheel drive AS Motor Sherpa 2023 models will in future be fitted with anti-puncture tyre sealant as standard – downtimes due to flat tyres are now a thing of the past. The new fuel tank of the Sherpas offers more volume (17 litres), a larger tank opening and a level indicator as standard. The new locking mechanism of the foldable bar provides easier handling and makes the bar less susceptible to damage. There is also improved freedom of movement when operating the driving lever. In future, the protective cloth between the engine and the seat will no longer be elaborately riveted, but locked by robust magnets. Accessibility to the engine, for example when changing the oil, is significantly improved.

Product advantages

All-wheel drive (AS 940)

Permanent all-wheel drive ensures better traction uphill and stronger, safer braking downhill.

Surfing mulch-mower deck

Closed mower deck with AS cross-blade system. The main blade cuts, the cross-blade chops the cuttings. The surfing mower deck gives way upward on uneven terrain to protect against damage.

Ergonomic sitting position provides excellent driving comfort

Length-adjustable driver seat, innovative seat suspension and ergonomic sitting position provide comfort for tall operators during long work periods.

Stable tube frame

High stability and torsional rigidity with heavy load.

Optimal all-terrain mobility

Field stud tyres, switchable limited slip differential and an engine suitable for slopes ensure powerful traction on difficult terrain.

Variable hydrostatic transmission (ride-on mower)

Easy adaptation of the speed to every terrain with integrated, mechanical parking brake in the drive lever.

Stable, folding bar

Greater operator safety in the machine's limit area.

Excellent – German Design Award Winner 2023

The consistently sustainable product design of the powerful high grass mowers convinced the top-class jury of the German Design Award. In the citation it says: “The AS Sherpa 4WD was developed specifically for mowing tall grass meadows, which its striking functional design expresses perfectly. A compact ride-on mower reduced to the essentials for sustainable and ecologically oriented green maintenance.”

Product details

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AS mulching mower deck

Closed, surfing mower deck with cross-blade system and bearing-supported blades that yield to obstacles.

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Separate air cooling supply

Separate engine air cooling and hydrostatic transmission optimize performance.

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Switchable limited slip differential

Comfortable activation of the limited slip differential via foot pedal for excellent propulsion and traction.

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Stable, folding bar

Greater operator safety in the machine’s limit area.

Warranty

At AS-Motor, we understand that professional users, municipalities, and property owners need more than just high-performance mowing technology – they need confidence in their investment. That’s why we go beyond industry norms to offer a warranty system that sets new standards in the landscaping sector.

Technical Data

cutting width 90 cm
engine manufacturer Loncin
engine type LC2P77F
4-Stroke engine, single-cylinder / twin-cylinder /
displacement 708 cm³
work rate max. 16,0/21,7 kW (hp)
rated power 15,6/21,2 kW (hp)
nominal speed 3400 rpm
traction drive, 2WD rear / 4WD permanent /
traction drive, hydrostat variable
speed max. 6,2 km/h
limited-slip differential
automatic parking brake
Single knife / cross knife / Y-flail / /
side discharge / rear discharge /
closed mowing deck
floating mowing deck
cutting height 50 - 105 mm
ill quantity - fuel tank 17 l
seat suspention, standard / option /
Dimension L/W/H 191x98x152 cm
weight 294 kg
Changes in technology, equipment and price are reserved. Of information or illustrations no claims can be derived.

Accessories

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Insect scare device

The AS-Motor Insect Scare Device is an innovative mowing attachment that protects pollinators and small wildlife. Scientifically tested to increase insect escape rates, it ensures sustainable mowing while maintaining efficiency. Designed for durability, adaptability, and easy integration with AS-Motor professional mowers.

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Trailer

Cargo area: L = 1071 mm, W = 607 mm, panel height: 274 mm. Permissible total weight: 100 kg. Rear panel can be removed.

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Trailer hitch (Sherpa)

For connecting the AS trailer.

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Snow blade

Width: 1107 mm, height: 348 mm. Adjustable on both sides.

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Mulch kit (Sherpa)

For even finer mulching and more uniform cutting results on lawns with grass up to 40 cm high.

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Snow chains

Cross-track chain for the drive wheels.

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Twin wheels (Sherpa)(Old)

One pair (2x2) of rear twin tyres with extreme tread pattern for highest traction.

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Tilt meter

Convenient display of slope incline.

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Steering knob

Facilitates one-handed steering and maoeuvring on level terrain.

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Liquide tyre sealant “Plattfuss-Stop”

Reduces the failure times due to flat tyres (950ml)

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Liquide tyre sealant “Plattfuss-Stop”

Reduces the failure times due to flat tyres (20 litres); can only be used in conjunction with the pump

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Pump for tyre sealant

For filling the tyre sealant "Plattfuss-Stop"; only necessary in conjunction with 20 l container

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XL wheel kit

Wheel kit with track extension for 30mm more ground clearance.

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Spacer Sherpa

Spacer for replacing the upper mulching blade. Advantageous in fibrous vegetation or for higher mowing speed in dense vegetation.

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LED headlights

Two high power 18W LED headlights, with mount, switch and cable.

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Grass-winding protection

Avoids tangling of long and thin grass between wheel and front axle.

Customer reviews

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Dr. Michael Köbler (Geschäftsführer, Hofgut Serrig, Nähe Trier)

Since the farm is entirely self-supporting, the economic efficiency and thus the maintenance costs and the useful life of a new acquisition are also decisive. "I was very pleasantly surprised by the consumption in particular," says Dr Köbler and adds with a smile: "With the previous model, you had the feeling that you had to drive right behind with the tanker. I couldn't imagine that the mower from AS-Motor would be so economical." In fact, AS-Motor's Sherpa stands out for its low consumption of a maximum of 4.7 litres per hour in extremely tall grass.

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