AS 21 4T B&S

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Handy Allmäher with impressive price/performance ratio
With its classic 3-wheel concept, the AS 21 4T B&S is AS-Motor’s entry level Allmäher. Equipped with a Briggs & Stratton 4-stroke engine with up to 5.5 hp, this Allmäher is suitable for grass up to 60 cm high. A third crankshaft bearing and friction discs on the wing blade protect the engine in the event of unseen obstacles. Large wheels with aggressive tread offer ideal propulsion at speeds up to 3.0 km/h.

Agile maneuvering thanks to the 3-wheel concept
The AS 21 4T B&S easily masters mowing on angles and curves. The swivel front wheel can be mechanically stopped diagonal to the slope while mowing, ensuring stability and comfortable work.Work rates reaching 1,500 m² per hour are possible due to a powerful Briggs & Stratton engine, traction drive and a 51 cm cutting width. Cutting heights can be easily adjusted in two stages within the range of 55–80 mm on the front wheel while a low overall weight of 42 kg and a removable guide bar mean the AS 21 4T B&S can be reduced in size to compact dimensions and easily transported.

cutting width 51 cm
maximum grass height 60 cm
engine manufacturer B&S
engine designation 850E I/C
displacement 190 cm³
maximum power 4,1/5,5 kW (hp)
rated power 3,6/4,9 kW (hp)
rated speed 3300 rpm
blade clutch NO
side discharge / rear discharge YES / NO
closed mowing deck NO
mono-blade / cross-blade / Y-flails YES / NO / NO
cutting height 55 – 80 mm
drive, mechanical/hydrostatic YES / NO
number of gears 1
reverse gear NO
max. speed 3 km/h
limited-slip differential NO
automatic parking brake NO
steering brake NO
tank capacity 1,2 L
dimension L/W/H 165x71x99 cm
weight 41 kg