AS 940 Sherpa 4WD XL

High-grass, ride-on mower with permanent all-wheel drive and more ground clearance

The AS 940 Sherpa 4WD XL enables comfortable and safe mowing on slopes thanks to its Briggs & Stratton 2-cylinder engine with 44.2 cu in, 27 hp, and an oil and fuel pump.  Its extremely low center of gravity, permanent all-wheel drive and XL tires with field stud tread provide excellent stability on slopes up to 21 degrees.  Hydrostatic transmission allows the precise adaptation of speed to match the terrain, reaching 4.2 mph and 4.0 mph in reverse.  Just one lever controls the drive, brake and parking functions for easy operation, while limited slip differential can be activated for excellent propulsion and traction in extreme situations.  A brake pedal returns the drive lever to neutral and automatically engages the parking brake.

The AS 940 Sherpa 4WD XL’s surfing mower deck is equipped with AS cross-blade technology in which bearing-supported blades cut the grass, while a mulching blade positioned above them shreds the cuttings.  The mulched grass is then deposited between the wheels for added safety on slopes and wet grass, while the mower deck’s surfing suspension yields upwards to obstacles, protecting the blades and turf from damage.  With a 36 inch cutting width, the AS Sherpa 940 4WD XL achieves work rates reaching 7,176 yd² per hour. Cutting heights can be adjusted to 5 levels from 3.1–5.3 inches and an optional mulch kit is available for even finer mulching results.



Maximum comfort for long work days

The AS 940 Sherpa 4WD XL performs even under harsh conditions thanks to its highly stable tubular frame. A length-adjustable seat and seat spring package mean operators up to 6 feet tall can operate the machine comfortably while a low center of gravity, folding safety bar and branch deflectors are added safety features.  Integrated lashing points enable secure transport.



Designed for continuous operation

Two separate ventilation circuits for the engine and hydrostatic transmission prevent overheating: 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 ensures a long service life.

Product advantages

All-wheel drive

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.

All-terrain mobility

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

Variable hydrostatic transmission

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

Folding safety bar

Greater operator safety in the machine’s limit area.

Product details

AS mulching mower deck

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

Separate air cooling supply

Separate engine air cooling and hydrostatic transmission optimize performance.

Switchable limited slip differential

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

XL tires

XL tires for 1.2 inches additional ground clearance.

Technical Data

cutting width 36 inches
engine manufacturer B&S
engine designation Professional Series 8
4-stroke engine, 1-cyl. / 2-cyl. /
displacement 44.2 cu in
maximum power 20.1/27 kW (hp)
rated power 16.5/22.4 kW (hp)
rated speed 3,300 rpm
drive, 2WD rear / 4WD permanent /
drive, variable hydrostatic transmission
max. speed 4.2 mph
limited-slip differential
automatic parking brake
mono-blade / cross-blade / Y-flails / /
side discharge / rear discharge /
closed mower deck
surfing mower deck
cutting height 3.1 - 5.3 inches
tank capacity 4 gallon / 15 l
seat spring package, standard / optional /
dimension L/W/H 75 X 42 X 61 inches
weight 686 lbs
Changes in technology, equipment and price are reserved. Of information or illustrations no claims can be derived.


Professional landscaping

Performance on rough terrain, excellent cutting results and high efficiency are advantages AS-Motor machines provide to professional service providers.

Municipal services

Caring for green areas in the civic environment involves a variety of tasks. AS-Motor provides the correct tools to ensure both professional results and operator safety.

Roadside maintenance

Maintaining roadways often involves mowing high grass and slopes, two specialties of AS-Motor’s professional technology.

Golf courses

Management of edge areas, embankments and lawns are as important as the greens themselves.

Retention ponds

Maintaining the green areas and slopes surrounding retention ponds requires professional tools.

Parks & Universities

Parks and university grounds must be visually appealing and expertly maintained.  Whether public or private, these areas are frequently used and thus require careful maintenance.

Hobby Farms

Maintaining hobby farms areas often involves mowing around trees, on slopes and in rough terrain.  AS-Motor offers several professional mowing tools that will provide private users with excellent results for many years to come.