Masport Utility 530 ST S21 IC - 850 Petrol Lawnmower

Product code:
  • Side Discharge
  • Masport Quadcut® 4 Blade Disc System
  • ReadyStart™ 4 Stroke Engine


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Delivery, Warranty, Returns & Exchange


FREE Home Delivery on all online orders

Store Pick Up - FREE. Includes assembly of tools prior to collection. The store will contact you when your order is ready.

Returns & Exchanges

We will happily accept returns or exchanges up to 14 days after the date of purchase,  provided the products are in their original condition and packaging. Click here to view our full Returns Policy


All STIHL products purchased online will be issued a STIHL warranty.

1. Tools used for home/farming applications receive a 2 year warranty. Double the warranty of your STIHL 2 MIX, STIHL 4 MIX® and STIHL 2 Stroke petrol tools purchased online to 4 years by adding HP Ultra Oil (minimum 1L) to your purchase.

2. Tools used in a professional application receive a 6 month warranty

3. STIHL Polymer Bodied/decked Lawnmowers receive a 10 year warranty on the polymer body (not associated parts) the handle and the catcher.

Click here to find out more about the STIHL Warranty


Made from heavy duty steel, this professional-grade Lawnmower has a wide 530mm (21") cutting chassis to help cover more ground, as well as a Masport Quadcut® 4 Blade Disc System that significantly improves cutting performance from increased airflow.

Equipped with a 190cc Briggs & Stratton engine, this is a great quality, sturdy side-discharge Lawnmower.

Warranty Information:

5 Year Mower Engine/Motor Warranty

5 Year Mower Chassis Warranty

5 Year Mower Parts Warranty


Engine Make & Model

Briggs & Stratton OHV Series 850 Professional IC

Engine Power (cc)


Weight (kg)



530mm (21") heavy duty steel chassis

Cutting Width

530mm (21")

Cutting Height (mm)

13 - 78

Mulching Function

Side Discharge Only

Catcher Type


Catcher (L)


  • Masport Quadcut
    Masport Quadcut® 4 Blade Disc Cutting System
    The Quadcut swing back blade system has increased airflow, great for catching and mulching performance.
  • Adjustable Wheel Bearings
    Adjustable Wheel Bearings
    Makes the mower easy to push and with a threaded axle and nut the wheels can easily be adjusted if they become loose after significant use.
  • Masport Lawnmower Camlocks
    Allows for quick and easy fold down of the handle for storage or transportation of your mower.

Q: Is this a mulching Lawnmower

A: No, this model is side-discharge only.

Q: What is the cutting width of this model?

A: This model has a 530mm (21") cutting width

Q: How heavy is this Lawnmower?

A: This Lawnmower weights 30.7 kg


Storing you Lawnmower

This model features quick release Camlocks to fold the handle and save space for easier transportation and storage.

Looking after your Lawnmower

After use, remember to wipe down the exterior of the chassis with a damp cloth or soft brush to help increase performance and longevity.


If you notice the blades have become jammed, do not attempt to free them while the engine is on. Always wear hearing protection and covered footwear.

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