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Masport Pro Power 840 ST 3'n1 Self Propelled

Name: Masport Pro Power 840 ST 3'n1 Self Propelled
Brand: Masport
SKU: 561797

Push / Walk-Behind mower · Model 561797 · Residential-duty · Gas

A$949 Masport Australia RRP

Recommended retail price in Australian dollars, read 20 Oct 2026 from the Masport Australia product page. Whether it includes GST is not stated on the page.

Sold in Australia — listed on masport.com, checked 20 Oct 2026.

Dealers set the final price; delivery, assembly and any local offer are extra and are not tracked here.

The Masport Pro Power 840 ST 3'n1 Self Propelled is a residential-grade gas walk-behind mower, suited to small-to-mid home lawns, with a 19-inch deck and a 173cc engine. It weighs 82 lb (37.2 kg).

At a glance

Power Source

gas

Cutting Width

19.1 in (485 mm)

Displacement

10.6 ci (173 cc)

Weight

82 lbs (37.2 kg)

Compare this mower: Pick another Masport push / walk-behind or pick from every push / walk-behind mower sold in Australia or quick compare: vs 100 ST 2'n1 · vs 200 ST 3'n1 · vs 2'n1 Time Saver - DOV

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Displacement 163 cc (9.9 ci) (this model: 173 cc (10.6 ci))

Why: Same class: push / walk-behind · 19 in deck, within 2 in of this model's 19.1 in · Gas engine, like this model · Residential-duty, like this model · By Victa, a different maker
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Victa 19 in Mustang B&S 850 Alloy Base, Mulch or Catch Push Mower

Deck 483 mm (19 in) · Briggs & Stratton, 190 cc · RRP A$1,049

Max cut height 83 mm (3.3 in) (this model: 75 mm (3 in))Weight 33.5 kg (74 lbs) (this model: 37.2 kg (82 lbs))

Why: Same class: push / walk-behind · 19 in deck, within 2 in of this model's 19.1 in · Gas engine, like this model · Residential-duty, like this model · By Victa, a different maker
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Cox Drive 19 19 in

Deck 483 mm (19 in) · Kohler Kohler XTX775 · RRP A$849

Weight 35 kg (77 lbs) (this model: 37.2 kg (82 lbs))

Why: Same class: push / walk-behind · 19 in deck, within 2 in of this model's 19.1 in · Gas engine, like this model · Residential-duty, like this model · By Cox, a different maker
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Bushranger Loncin 196 series Powered 19 in Alloy Based mulch and catch w'…

Deck 483 mm (19 in) · Air cooled, single cylinder, vertical shaft, normally aspirated petrol four stroke engine, 196 cc · RRP A$849

Weight 45 kg (99 lbs) (this model: 37.2 kg (82 lbs))Displacement 196 cc (12 ci) (this model: 173 cc (10.6 ci))

Why: Same class: push / walk-behind · 19 in deck, within 2 in of this model's 19.1 in · Gas engine, like this model · Residential-duty, like this model · By Bushranger, a different maker
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Honda HRU196 Buffalo Pro

Deck 470 mm (18.5 in) · 163 cc · RRP A$1,349

Displacement 163 cc (9.9 ci) (this model: 173 cc (10.6 ci))

Why: Same class: push / walk-behind · 18.5 in deck, within 2 in of this model's 19.1 in · Gas engine, like this model · Residential-duty, like this model · By Honda, a different maker
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Chosen by stated rules, not opinion: same class, a deck within 2 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.

Engine

Masport Pro Power 840 ST 3'n1 Self Propelled engine specifications
Power Source	gas
Displacement	10.6 ci (173 cc)
Engine Make	Kohler
Engine Model	XT775 IC

Deck

Masport Pro Power 840 ST 3'n1 Self Propelled deck specifications
Cutting Width	19.1 in (485 mm)
Min Cut Height	0.6 in (15 mm)
Max Cut Height	3 in (75 mm)
Deck Material	Heavy Duty Steel
Blades	4
Cut Positions	10
Discharge	Catch, Mulch, Rear Discharge

Drive

Masport Pro Power 840 ST 3'n1 Self Propelled drive specifications
Drive System	Single Speed Self Propelled

Dimensions

Masport Pro Power 840 ST 3'n1 Self Propelled dimensions specifications
Weight	82 lbs (37.2 kg)

General

Masport Pro Power 840 ST 3'n1 Self Propelled general specifications
Bagger Capacity	1.4 bu (50 L)

Similar models

Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the Pro Power 840 ST 3'n1 Self Propelled.

19 in Alloy Base Victa · 18.9 in (480 mm)

Drive 19 19 in Cox · 19 in (483 mm)

Push 19A 19 in Cox · 19 in (483 mm)

Commercial-grade 60V lawn mower Kress · 18.5 in (470 mm)

Push 19S 19 in Cox · 19 in (483 mm)

53TKU7 Utility Mower Bushranger · 21 in (533 mm)

See all Masport mowers and specs ›

Spot a wrong spec? Suggest a correction.

Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.

What the specs work out to

Figures MowerFacts computes from Masport’s own numbers — not published by the manufacturer.

Gate & trailer fit

32 in gateFits
36 in gateFits
48 in gateFits

Needs at least 26 in of clearance (estimated).

Fit uses the deck width plus 6 in for the discharge chute, because Masport doesn't publish an overall width — measure before buying if a gate is tight.

Source: Masport (manufacturer) · archived copy