AS 531 4T MK B

AS531-4T-MK-Pro-collection-Mower-2-600x499
AS531-4T-MK-Pro-collection-Mower-2-600x499
AS531-4T-MK-Pro-collection-Mower-600x499
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Technical Data

cutting width53 cm
maximum grass height30 cm
engine manufacturerKawasaki
engine designationFJ180V KAI
engine, 4-stroke / 2-stroke / 
maximum power3,4/4,6 kW (hp)
rated power2,9/4,0 kW (hp)
rated speed2800 rpm
tank capacityl
rear-wheel drive / AWD / 
number of gearsVario
max. speed4,5 km/h
automatic parking brake
limited-slip differential
brake
blade clutch
mulch function, standard / optional / 
cutting height30 – 80 mm
cutting height adjustment, central/per axle/per wheel /  / 
cutting height adjustment, number of levels6
dimension L/W/H164x59x99 cm
weight61 kg

Description

Professional lawn mower with collection bag and added safety features

An absolute professional. The AS 531 4T MK B is a 3in1 lawn mower equipped with many extras and ideally suited for the care and maintenance of demanding green areas such as steep terrain and confined spaces. A mulch kit can be mounted and dismounted without tools, a feature that now comes as standard equipment. Thus, the AS 531 4T MK B 3in1 can be used as a perfect collecting mower, as a pretty good mulching mower or as a strong rear ejection mower for higher grass. The professional Kawasaki KAI engine delivers up to 3.4 kW (4.6 hp), making the AS 531 4T MK B an ideal choice for professional users and contractors.

The grass collection bag has 75 litres of capacity and a fill level indicator, with the bar arranged in the middle so it can be easily emptied.

The AS 531 4T MK B is the only machine in its class with a safety brake and limited slip differential. The parking brake activates as soon as the blade clutch lever is released and the mower comes to a standstill, regardless of how steep the slope. This function maximizes user safety.

The mower is easily operated with an open V-shape handlebar developed by AS-Motor: the left hand regulates speed from 3.0–4.5 km/h while the machine is in motion. The right hand steers and activates the blade clutch, the traction drive, and the parking brake. The blade clutch makes it possible to bring the blade to a standstill without switching off and restarting the engine, for example, when emptying the collection bag. A pivoting handlebar allows the AS 531 4T MK B to be used comfortably along house walls and shrubbery or when mowing next to parked cars. The handlebar has rubber-bearing support and VibrationProtect vibration damping that reduces hand-arm vibration to a minimum. In addition, optimal weight distribution ensures ergonomic handling and fatigue-free work.

A professional lawn mower – different from the rest

Unique features of the AS 531 4T MK B include:

  • automatic differential lock
  • automatic parking brake
  • open V-handlebar with VibrationProtect

Other features:

  • 3-litre tank with reserve function
  • mono bar for easy emptying of the collection basket
  • stable and weight-optimised steel frame
  • spring steel axle
  • individual wheel cutting-height adjustment
  • third crankshaft bearing and friction clutch close to the blade
Technical Info

Brand

Cutting Width (cm)

53

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