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Gravely ZT 42 KAWASAKI

Zero-Turn mower · Model 915289 · Commercial-duty · Gas

A$7,999 Gravely Australia RRP (inc. GST)

Recommended retail price in Australian dollars, read 20 Oct 2026 from the Gravely Australia product page.

Sold in Australia — listed on gravely.com.au, checked 20 Oct 2026. Listed there as ZT 42" Zero-Turn Mower (AGU915289). Also sold in the United States: US specs and list price.

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

The Gravely ZT 42 KAWASAKI is a commercial-grade gas zero-turn mower, built for daily commercial mowing, with a 42-inch deck and a 603cc engine making 18 hp. It weighs 498 lb (225.9 kg).

At a glance

Power Source
gas
Cutting Width
42 in (1067 mm)
Displacement
36.8 ci (603 cc)
Engine Power
18 hp
Ground Speed
6 mph
Weight
498 lbs (225.9 kg)
Compare this mower: Pick another Gravely zero-turn or pick from every zero-turn mower sold in Australia   or quick compare: vs COMPACT-PRO 34 KAWASAKI · vs PRO-TURN 148 KAWASAKI · vs PRO-TURN 152 KAWASAKI
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
  • Bad Boy Mowers MZ Rambler
    Deck 1,067 mm (42 in) · Briggs, 19 hp, 540 cc
    Fuel capacity 18.9 L (5 gal) (this model: 7.6 L (2 gal))Weight 287 kg (633 lbs) (this model: 225.9 kg (498 lbs))
    Why: Same class: zero-turn · Same 42 in deck · Gas engine, like this model · Commercial-duty, like this model · 19 hp (this model: 18 hp) · By Bad Boy Mowers, a different maker
    Compare with the ZT 42 KAWASAKI ›
  • Kubota Z232KW-42
    Deck 1,067 mm (42 in) · Kawasaki FR651V, 21.5 hp, 726 cc
    Fuel capacity 13.6 L (3.6 gal) (this model: 7.6 L (2 gal))Weight 291.7 kg (643 lbs) (this model: 225.9 kg (498 lbs))
    Why: Same class: zero-turn · Same 42 in deck · Gas engine, like this model · Commercial-duty, like this model · 21.5 hp (this model: 18 hp) · By Kubota, a different maker
    Compare with the ZT 42 KAWASAKI ›
  • Husqvarna Z242F
    Deck 1,067 mm (42 in) · Kawasaki FR Series, 21.5 hp, 725.9 cc · RRP A$9,499
    Fuel capacity 13.2 L (3.5 gal) (this model: 7.6 L (2 gal))Displacement 725.9 cc (44.3 ci) (this model: 603 cc (36.8 ci))
    Why: Same class: zero-turn · Same 42 in deck · Gas engine, like this model · Prosumer-duty (this model is commercial) · 21.5 hp (this model: 18 hp) · By Husqvarna, a different maker
    Compare with the ZT 42 KAWASAKI ›
  • Ariens IKON 42 KAWASAKI
    Deck 1,067 mm (42 in) · Kawasaki® FR651V, 21.5 hp, 726 cc · RRP A$8,999
    Fuel capacity 13.2 L (3.5 gal) (this model: 7.6 L (2 gal))Weight 296.6 kg (654 lbs) (this model: 225.9 kg (498 lbs))
    Why: Same class: zero-turn · Same 42 in deck · Gas engine, like this model · Prosumer-duty (this model is commercial) · 21.5 hp (this model: 18 hp) · By Ariens, a different maker
    Compare with the ZT 42 KAWASAKI ›
  • Toro 42 in TimeCutter SS 4225
    Deck 1,067 mm (42 in) · 22 hp, 725 cc
    Fuel capacity 11.4 L (3 gal) (this model: 7.6 L (2 gal))Engine power 22 hp (this model: 18 hp)
    Why: Same class: zero-turn · Same 42 in deck · Gas engine, like this model · Prosumer-duty (this model is commercial) · 22 hp (this model: 18 hp) · By Toro, a different maker
    Compare with the ZT 42 KAWASAKI ›

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

Gravely ZT 42 KAWASAKI engine specifications
Power Sourcegas
Displacement36.8 ci (603 cc)
Engine Power18 hp
Engine MakeKawasaki®
Engine ModelFR600V
Fuel TypeGas

Deck

Gravely ZT 42 KAWASAKI deck specifications
Cutting Width42 in (1067 mm)
Min Cut Height1.5 in (38 mm)
Max Cut Height4.5 in (114 mm)
Deck Material11 ga
Deck ConstructionMach One
Deck Gauge11
DischargeSide

Drive

Gravely ZT 42 KAWASAKI drive specifications
Ground Speed6 mph
Drive SystemHydro-Gear® Serviceable EZT® Transaxles
Reverse Speed3 mph

Dimensions

Gravely ZT 42 KAWASAKI dimensions specifications
Weight498 lbs (225.9 kg)
Fuel Capacity2 gal (7.6 L)
Length68 in (1727 mm)
Width46.3 in (1175 mm)

Similar models

Other zero-turn mowers with comparable specs — including other brands — that buyers cross-shop with the ZT 42 KAWASAKI.

42 in Deck Victa · 42 in (1067 mm)
Z370R ElectricZTrak Mower John Deere · 42 in (1067 mm)
Z 245i Husqvarna · 42.1 in (1070 mm)
42 in eTimeCutter eMR4275 60V Battery Powered Ride-On Mower Toro · 42 in (1067 mm)
POWER+ 107cm (42 in) Z6 Zero Turn Riding Mower EGO · 42.1 in (1070 mm)
80V HP 42 in ZT Ride-On Mower Bonus Battery & Cover Kit Ryobi · 41.7 in (1060 mm)

Specs verified against the retailer listing on Jun 6, 2026 — ellingtonagway.com.

What the parts on this spec sheet mean

See all Gravely 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 Gravely’s own numbers — not published by the manufacturer.

Mowing time

  • ¼ acre11 min 7 min
  • ½ acre21 min 15 min
  • 1 acre42 min 29 min
  • 2 acres1 h 24 min 59 min
  • 5 acres3 h 30 min 2 h 27 min

About 42 min per acre at 1.43 acres/hour, mowing at 4.2 mph. The second figure is at the published 6.0 mph top speed (2.04 acres/hour) — faster than anyone really mows. About 2.9 acres per tank.

Weight & hauling

  • Machine weight498 lb
  • + 6×12 trailer900 lb
  • Towed weight1,398 lb
  • single-axle 3,500 lbCarries it, 2,102 lb spare
  • tandem-axle 7,000 lbCarries it, 5,602 lb spare

Needs a single-axle 3,500 lb trailer and a vehicle rated to tow at least 1,398 lb.

Gate & trailer fit

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

Needs at least 47 in of clearance.

Power & run time

  • Power per deck inch0.428 hp/in
  • Run time per tank~2.0 h

Mowing times assume 1.43 acres/hour: deck width x 4.2 mph at 80% efficiency, which allows for overlap, turns and trimming. 4.2 mph is 70% of the 6.0 mph top speed Gravely publishes - almost nobody mows flat out. The "at top speed" figure is the same sum at 6.0 mph, shown so you can see it.

Fit uses Gravely's published overall width.

Towed weight adds a 900 lb allowance for a 6x12 open utility trailer to Gravely'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: Gravely (manufacturer) · archived copy

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