The AS 940 Sherpa 4WD B&S is a Ride-On Brushcutter, built for sites where normal ride-ons run out of grip or ground clearance. With its permanent four-wheel drive, low centre of gravity and a 90 cm closed deck, it’s designed to move safely across banks, rough grass and uneven terrain while keeping the operator in control.
Powered by a 724 cc Briggs & Stratton V-twin, the Sherpa 4WD B&S has the torque, cooling and stability needed for long days in high growth. The cross-blade system mulches tall grass cleanly, the hydrostatic lever makes speed changes simple, and the compact frame lets the machine work under obstacles where larger kit won’t fit.
What the AS 940 Sherpa 4WD B&S Is Built For
The AS 940 Sherpa 4WD B&S sits in the sweet spot of the Sherpa range: powerful enough for tough growth, compact enough for tight access, and stable enough for work on banks that would unsettle a normal ride-on. It’s a machine for operators who spend their days in long grass, uneven ground and awkward slopes where traction and safety matter more than outright travel speed.
The 90 cm closed deck and cross-blade system are designed to mulch material up to around 1.5 m high. It doesn’t collect, and it doesn’t pretend to be a lawn mower—its job is to break grass down fast and leave an even spread that won’t cause issues on slopes. The “surfing” ability of the deck is a major advantage in rough ground, protecting the spindle and blades when you clip a mound or hidden stump.
Who This Machine Suits
- Contractors who maintain banks, ditches and uneven ground across multiple sites.
- Solar park operators who need a compact, low-profile machine under tables and around supports.
- Large estates wanting a single sit-on to replace heavy strimming on slopes and rough paddocks.
- Sports clubs and motorsport venues with berms, run-offs and side slopes that demand predictable traction.
- Landowners who’ve outgrown domestic ride-ons and need something far more capable without jumping to a flail.
Real Strengths in Day-to-Day Use
- Permanent 4WD: predictable, repeatable grip on greasy slopes and loose surfaces.
- Low centre of gravity: confidence when working across banks that would unsettle lighter machines.
- Cross-blade deck: cuts, lifts and mulches long growth efficiently without bogging down.
- Hydrostatic lever: one-hand operation for forward, reverse, speed control and parking brake.
- Separate cooling circuits: keeps the engine and hydrostat stable during long, continuous shifts.
- Comfort for tall and long-hour operators: adjustable seating and suspension that reduces fatigue.
Where the AS 940 Sherpa 4WD B&S Fits in the Range
Compared with the 915 and 920 Sherpa models, the 940 B&S trades some top-end ground speed for traction and stability. If your work is mostly flat or lightly undulating, a 2WD Sherpa covers ground quicker. But once you introduce greasy banks, ruts, or unpredictable site conditions, the 940 pulls away as the sensible choice.
Against the 940 XL versions, the standard 940 B&S keeps a lower stance and a broader cutting height range that starts at 50 mm. That makes it more comfortable under solar panels and in places where every centimetre of headroom counts. The XLs are better for very rough, deeply rutted terrain where extra clearance is essential.
Against the 1040 Yak models, the difference is simple: the Sherpa 940 is a high-grass mulcher, not a flail. If your work includes woody material, heavy scrub or saplings, the Yak is the step up. If your sites are mainly long grass and slope work where finish still matters, the 940 B&S is the better fit.
Operational Realities Worth Knowing
- The finish is tidy for a brushcutter, but it won’t replace a lawn tractor for fine turf.
- Mulched output is left under the machine—ideal for slopes, but not suited to users who expect collection.
- The compact frame helps with tight access, but the 90 cm deck is a deliberate compromise between output and agility.
- Slopes still require sensible driving; 4WD helps you stay in control but doesn’t override basic physics.
Useful Accessories
- Trailer and tow hitch: turns the Sherpa into a light tractor for materials transport.
- Snow blade and chains: gives the machine winter workload and year-round value.
- Mulch kit: improves particle size on shorter grass up to around 40 cm.
- Weather cab: helps operators in exposed environments who work in all seasons.
Overall, the AS 940 Sherpa 4WD B&S is the “go-to” model when you need a stable, predictable bank and rough-grass machine that still fits under structures and through narrow access points. It’s a practical balance of power, traction and manoeuvrability for demanding commercial work.
Technical Specifications
| Cutting Width | 90 cm |
|---|---|
| Engine Manufacturer | Briggs & Stratton |
| Engine Type | Professional Series 8, V-twin 4-stroke |
| Displacement | 724 cm³ |
| Maximum Power | 20.1 kW / 27.0 hp |
| Rated Power | 16.5 kW / 22.4 hp |
| Nominal Speed | 3300 rpm |
| Traction Drive | Permanent 4WD |
| Hydrostatic Drive | Variable, lever-controlled |
| Maximum Speed | 6.2 km/h |
| Limited Slip Differential | Yes – switchable |
| Parking Brake | Automatic (integrated with drive lever) |
| Blade System | Cross-blade with bearing-supported blades |
| Deck Type | Closed, “surfing” deck with obstacle protection |
| Cutting Height Range | 50 – 105 mm (5 positions) |
| Fuel Tank Capacity | 17 litres |
| Seat Suspension | Standard suspension seat |
| Dimensions (L × W × H) | 191 × 98 × 152 cm |
| Weight | 290 kg |

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