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Masport 100 ST 2'n1

Push / Walk-Behind mower · Model 561780 · Residential-duty · Gas

A$469 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 100 ST 2'n1 is a residential-grade gas walk-behind mower, suited to small-to-mid home lawns, with a 18-inch deck and a 123cc engine. It weighs 63.5 lb (28.8 kg).

At a glance

Power Source
gas
Cutting Width
18.1 in (460 mm)
Displacement
7.5 ci (123 cc)
Weight
63 lbs (28.8 kg)
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
  • Deck 457 mm (18 in) · Briggs & Stratton, 140 cc · RRP A$549
    Displacement 140 cc (8.5 ci) (this model: 123 cc (7.5 ci))Max cut height 76 mm (3 in) (this model: 70 mm (2.8 in))
    Why: Same class: push / walk-behind · 18 in deck, within 2 in of this model's 18.1 in · Gas engine, like this model · Residential-duty, like this model · By Victa, a different maker
    Compare with the 100 ST 2'n1 ›
  • Deck 460 mm (18.1 in) · 145 cc · RRP A$849
    Displacement 145 cc (8.8 ci) (this model: 123 cc (7.5 ci))Weight 32 kg (71 lbs) (this model: 28.8 kg (63 lbs))
    Why: Same class: push / walk-behind · Same 18.1 in deck · Gas engine, like this model · Residential-duty, like this model · By Honda, a different maker
    Compare with the 100 ST 2'n1 ›
  • Deck 457 mm (18 in) · Briggs & Stratton 500E series vertical shaft engine., 140 cc · RRP A$589
    Displacement 140 cc (8.5 ci) (this model: 123 cc (7.5 ci))
    Why: Same class: push / walk-behind · 18 in deck, within 2 in of this model's 18.1 in · Gas engine, like this model · Residential-duty, like this model · By Bushranger, a different maker
    Compare with the 100 ST 2'n1 ›
  • Deck 457 mm (18 in) · Victa, 144 cc · RRP A$469
    Displacement 144 cc (8.8 ci) (this model: 123 cc (7.5 ci))Max cut height 76 mm (3 in) (this model: 70 mm (2.8 in))
    Why: Same class: push / walk-behind · 18 in deck, within 2 in of this model's 18.1 in · Gas engine, like this model · Residential-duty, like this model · By Victa, a different maker
    Compare with the 100 ST 2'n1 ›
  • Deck 457 mm (18 in) · Loncin Loncin 139cc, 139 cc · RRP A$399
    Displacement 139 cc (8.5 ci) (this model: 123 cc (7.5 ci))Weight 27 kg (60 lbs) (this model: 28.8 kg (63 lbs))
    Why: Same class: push / walk-behind · 18 in deck, within 2 in of this model's 18.1 in · Gas engine, like this model · Residential-duty, like this model · By Cox, a different maker
    Compare with the 100 ST 2'n1 ›

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 100 ST 2'n1 engine specifications
Power Sourcegas
Displacement7.5 ci (123 cc)
Start TypeAuto Choke
Engine MakeMasport
Engine ModelSeries FIVE

Deck

Masport 100 ST 2'n1 deck specifications
Cutting Width18.1 in (460 mm)
Min Cut Height0.4 in (10 mm)
Max Cut Height2.8 in (70 mm)
Deck MaterialHeavy Duty Steel
Blades4
Cut Positions10
DischargeCatch, Rear Discharge

Drive

Masport 100 ST 2'n1 drive specifications
Drive SystemPush

Dimensions

Masport 100 ST 2'n1 dimensions specifications
Weight63 lbs (28.8 kg)

General

Masport 100 ST 2'n1 general specifications
Bagger Capacity1.4 bu (50 L)

Similar models

Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the 100 ST 2'n1.

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 25 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

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