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Masport ZTM 50

Zero-Turn mower · Model 553422 · Prosumer-duty · Gas

A$7,299 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 ZTM 50 is a prosumer-grade gas zero-turn mower, built for large residential properties and acreage, with a 50-inch deck. It weighs 549 lb (249 kg).

At a glance

Power Source
gas
Cutting Width
50 in (1270 mm)
Engine Power
23 hp
Transmission
Hydro-Gear EZT (ZT-2200)
Ground Speed
5.6 mph
Weight
549 lbs (249 kg)
Compare this mower: Pick another Masport zero-turn or pick from every zero-turn mower sold in Australia   or quick compare: vs ZTM 42
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
  • Toro 50 in TimeCutter MX 5000
    Deck 1,270 mm (50 in) · 23 hp, 726 cc
    Ground speed 7 mph (this model: 5.6 mph)Max cut height 114 mm (4.5 in) (this model: 102 mm (4 in))
    Why: Same class: zero-turn · Same 50 in deck · Gas engine, like this model · Prosumer-duty, like this model · 23 hp (this model: 23 hp) · By Toro, a different maker
    Compare with the ZTM 50 ›
  • Spartan Spartan Defender 48 in Zero Turn Mower
    Deck 1,257 mm (49.5 in) · Air cooled, 90-degree V-Twin, normally aspirated petrol engine, 23 hp · RRP A$14,999
    Fuel capacity 18.9 L (5 gal) (this model: 11.4 L (3 gal))Ground speed 8 mph (this model: 5.6 mph)
    Why: Same class: zero-turn · 49.5 in deck, within 6 in of this model's 50 in · Gas engine, like this model · Prosumer-duty, like this model · 23 hp (this model: 23 hp) · By Spartan, a different maker
    Compare with the ZTM 50 ›
  • Husqvarna Z248F
    Deck 1,219 mm (48 in) · Kawasaki FR Series, 23.1 hp, 725.9 cc · RRP A$10,499
    Ground speed 6.5 mph (this model: 5.6 mph)Fuel capacity 13.2 L (3.5 gal) (this model: 11.4 L (3 gal))
    Why: Same class: zero-turn · 48 in deck, within 6 in of this model's 50 in · Gas engine, like this model · Prosumer-duty, like this model · 23.1 hp (this model: 23 hp) · By Husqvarna, a different maker
    Compare with the ZTM 50 ›
  • Ariens EDGE 52 KAWASAKI
    Deck 1,321 mm (52 in) · Kawasaki FR651V, 21.5 hp, 726 cc · RRP A$8,299
    Fuel capacity 7.6 L (2 gal) (this model: 11.4 L (3 gal))Max cut height 114 mm (4.5 in) (this model: 102 mm (4 in))
    Why: Same class: zero-turn · 52 in deck, within 6 in of this model's 50 in · Gas engine, like this model · Prosumer-duty, like this model · 21.5 hp (this model: 23 hp) · By Ariens, a different maker
    Compare with the ZTM 50 ›
  • John Deere Z325EZTrak Mower with 48-in. Deck
    Deck 1,219 mm (48 in) · 24 hp, 724 cc
    Ground speed 7 mph (this model: 5.6 mph)Max cut height 114 mm (4.5 in) (this model: 102 mm (4 in))
    Why: Same class: zero-turn · 48 in deck, within 6 in of this model's 50 in · Gas engine, like this model · Prosumer-duty, like this model · 24 hp (this model: 23 hp) · By John Deere, a different maker
    Compare with the ZTM 50 ›

Chosen by stated rules, not opinion: same class, a deck within 6 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 ZTM 50 engine specifications
Power Sourcegas
Engine Power23 hp
Engine MakeMasport
Cylinders2
Engine ModelMVT700 V-Twin

Deck

Masport ZTM 50 deck specifications
Cutting Width50 in (1270 mm)
Min Cut Height1 in (25 mm)
Max Cut Height4 in (102 mm)
Deck Construction13-gauge Stamped
Cut Positions7
DischargeSide Discharge

Drive

Masport ZTM 50 drive specifications
TransmissionHydro-Gear EZT (ZT-2200)
Ground Speed5.6 mph
Drive Tire Size20" x 10 - 10
Drive SystemV-Belt
Reverse Speed2.5 mph

Dimensions

Masport ZTM 50 dimensions specifications
Weight549 lbs (249 kg)
Fuel Capacity3 gal (11.4 L)

Commercial / Pro

Masport ZTM 50 commercial / pro specifications
Frame ConstructionSteel
Seat TypeSpring-mounted adjustable seat with armrests

Similar models

Other zero-turn mowers with comparable specs — including other brands — that buyers cross-shop with the ZTM 50.

50 in TimeCutter MX 5000 Toro · 50 in (1270 mm)
Z325EZTrak Mower with 48-in. Deck John Deere · 48 in (1219 mm)
Z248F Husqvarna · 48 in (1219 mm)
IKON 52 KAWASAKI Ariens · 52 in (1321 mm)
ZT XL 48 KAWASAKI Gravely · 48 in (1219 mm)
EDGE 52 KAWASAKI Ariens · 52 in (1321 mm)

What the parts on this spec sheet mean

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.

Mowing time

  • ¼ acre9 min 7 min
  • ½ acre19 min 13 min
  • 1 acre38 min 27 min
  • 2 acres1 h 16 min 53 min
  • 5 acres3 h 10 min 2 h 13 min

About 38 min per acre at 1.58 acres/hour, mowing at 3.9 mph. The second figure is at the published 5.6 mph top speed (2.26 acres/hour) — faster than anyone really mows. About 4.7 acres per tank.

Weight & hauling

  • Machine weight549 lb
  • + 6×12 trailer900 lb
  • Towed weight1,449 lb
  • single-axle 3,500 lbCarries it, 2,051 lb spare
  • tandem-axle 7,000 lbCarries it, 5,551 lb spare

Needs a single-axle 3,500 lb trailer and a vehicle rated to tow at least 1,449 lb.

Gate & trailer fit

  • 32 in gateToo wide
  • 36 in gateToo wide
  • 48 in gateToo wide

Needs at least 56 in of clearance (estimated).

Power & run time

  • Power per deck inch0.46 hp/in
  • Run time per tank~3.0 h

Mowing times assume 1.58 acres/hour: deck width x 3.9 mph at 80% efficiency, which allows for overlap, turns and trimming. 3.9 mph is 70% of the 5.6 mph top speed Masport publishes - almost nobody mows flat out. The "at top speed" figure is the same sum at 5.6 mph, shown so you can see it.

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.

Towed weight adds a 900 lb allowance for a 6x12 open utility trailer to Masport's published machine weight. Your trailer's own weight is on its VIN plate. Tongue weight, axle placement and your vehicle's tow rating are still yours to check — this is the load, not a loading plan.

Run time assumes a typical 1 gal/hour burn at working load; real consumption varies with engine, load and cut.

Source: Masport (manufacturer) · archived copy

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