STIHL FSA 400 Cordless Clearing Saw (Tool Only)

SKU: FSA 400

STIHL FSA 400 Cordless Clearing Saw (Tool Only)

SKU: FSA 400

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The STIHL FSA 400 Cordless Clearing Saw is an exceptionally powerful professional brushcutter designed for demanding vegetation management, grounds maintenance and forestry applications. Part of the STIHL ALLPRO/AP System, it delivers performance comparable to a petrol clearing saw whilst benefiting from low noise operation, reduced vibration and cordless convenience.

The STIHL FSA 400 Cordless Clearing Saw is the first battery-powered clearing saw in the STIHL range, delivering outstanding cutting performance for professional users working in landscaping, grounds maintenance, vegetation management and forestry applications. As part of the STIHL ALLPRO/AP System, it combines the power of a professional petrol machine with the advantages of battery technology, including lower noise levels, reduced maintenance and zero direct emissions.

Designed for tackling demanding clearing work, the FSA 400 is ideal for cutting tough grass, dense vegetation, scrub, brambles and small trees. With performance comparable to the STIHL FS 411 C-EM petrol clearing saw, it provides the power required for intensive commercial use whilst remaining suitable for work in noise-sensitive locations.

The ergonomic bike handle design supports efficient sweeping movements when clearing larger areas, helping reduce operator fatigue and increase productivity. A folding clamp mechanism allows the handle to be adjusted quickly to suit different users and working conditions.

Powered by a high-performance EC motor, the FSA 400 features three speed settings that allow performance to be matched to the application. Intelligent speed management automatically adjusts RPM depending on the cutting attachment being used, helping maximise both cutting performance and battery efficiency.

Built for professional daily use, the FSA 400 incorporates a durable 28mm aluminium shaft, robust battery housing and an easy-to-clean metal air filter that helps maintain optimum motor cooling. Combined with the STIHL anti-vibration system, weather-resistant IPX4 construction and STIHL Connected compatibility, this clearing saw is engineered to perform reliably in demanding working environments.

Supplied as standard with the STIHL AutoCut 46-2 mowing head and ADVANCE PLUS universal harness, the FSA 400 also supports a wide range of mowing heads and metal cutting attachments, making it a highly versatile tool for professional vegetation management.

On a full charge with the ALLPRO AP 300 P battery, the FSA 400 has a working time of:

  • AutoCut line head: 25 – 15 mins
  • PolyCut blades: 40 – 20 mins
  • WoodCut saw blade: 50 – 25 mins

Please note that the FSA 400 is only available as a tool only, the battery and charger are sold separately.

Table of specifications

Rated voltage

36 V

Max. voltage

40 V

Power

2 kW 1)

Battery system

ALLPRO/AP

Recommended battery

AP 300.0 P

Device weight without battery

7.1 kg 2)

Cutting circle diameter

520 mm

Device length without cutting tool

179 cm

IPX Rating

IPX4

Sound pressure level

83 dB(A) 4)

Sound power level

96 dB(A) 4)

Vibration value on the left in right-handed operation

2.4 m/s² 5)

Vibration value on the left in right-handed operation

2.4 m/s² 5)

Vibration value on the right in right-handed operation

1.6 m/s² 5)

Vibration value on the right in right-handed operation

1.8 m/s² 5)

Technical Notes

1)

Mechanical power as comparative value to petrol appliance

2)

without cutting tool and protection

3)

The indicated working times per battery charge are indicative and may vary depending on the application and operating mode

4)

K-value according to Directive 2006/42/EC = 2.0 dB(A)

5)

K-value according to RL 2006/42/EG = 2 m/s²

Working Times

Min. battery working time AP 300 S with line mowing head

12 min 3)

Max. battery working time AP 300 S with line mowing head

20 min 3)

Min. battery working time AP 300 S with plastic blade mowing head

16 min 3

Max. battery working time AP 300 S with plastic blade mowing head

29 min 3)

Min. battery working time AP 300 S with metal blade

20 min 3)

Max. battery working time AP 300 S with metal blade

40 min 3)

Min. battery working time AP 300.0 P with line mowing head

15 min 3)

Max. battery working time AP 300.0 P with line mowing head

25 min 3)

Min. battery working time AP 300.0 P with metal blade

25 min 3)

Max. battery working time AP 300.0 P with metal blade

50 min 3)

Min. battery working time AP 500 S with line mowing head

15 min 3)

Max. battery working time AP 500 S with line mowing head

25 min 3)

Min. battery working time AP 500 S with plastic blade mowing head

20 min 3)

Max. battery working time AP 500 S with plastic blade mowing head

40 min 3)

Min. battery working time AP 500 S with metal blade

25 min 3)

Max. battery working time AP 500 S with metal blade

50 min 3)

FEATURES

Professional Clearing Performance

The FSA 400 delivers exceptional cutting power comparable to a professional petrol clearing saw, making it ideal for vegetation control, dense grass, scrub clearance and small tree management.

Constant Power Technology

STIHL Constant Power technology helps maintain consistent cutting performance throughout the battery charge cycle, ensuring dependable results even as battery charge decreases.

Power Boost Function

Intelligent communication between the battery and machine enables maximum power delivery when required. STIHL Power Boost technology provides additional performance for demanding clearing applications.

Three Speed Settings

The performance can be adjusted using three selectable speed levels, allowing operators to balance power output and battery runtime according to the task.

Automatic RPM Adjustment

The FSA 400 automatically adjusts maximum RPM based on the fitted cutting attachment, helping optimise cutting performance and energy efficiency.

Ergonomic Bike Handle

The professional bike handle design promotes natural sweeping movements and increases comfort when clearing larger areas of vegetation.

ADVANCE PLUS Universal Harness

Supplied with a professional-grade harness that helps distribute weight evenly and improves comfort during extended working periods.

Single-Handed Control Handle

All key operating controls are conveniently positioned on the handle, allowing speed adjustments and machine operation without changing grip.

STIHL Anti-Vibration System

Buffer and spring elements reduce vibration transfer to the handles, helping minimise operator fatigue and improve comfort throughout the working day.

Metal Mesh Air Filter

The durable stainless steel mesh filter helps maintain optimum motor cooling and is easy to remove and clean, ensuring reliable long-term performance.

LED Battery Charge Indicator

An integrated LED indicator allows users to quickly check battery charge levels and plan work more efficiently.

Compatible with Multiple Cutting Attachments

AutoCut 46-2 Mowing Head. TrimCut 42-2 Mowing Head. DuroCut 40-4 Mowing Head. PolyCut 48-2 Mowing Head. GrassCut Blade. BrushCut Blade. ShredCut Blade. WoodCut Circular Saw. Blade

IPX4 Splash Protection

Certified to IPX4 standards, the FSA 400 is protected against water splashes and can be used in adverse weather conditions.

STIHL Connected Ready

Compatible with the optional Smart Connector 2A, allowing operating hours, maintenance schedules and fleet information to be monitored through the STIHL Connected platform.