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List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.

A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.

Best suited for

What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.

  • Wright ZTS 61 FT730V — commercial: daily paid use and high acreage; 61-inch deck; gas powered
  • John Deere Z920MZTrak Zero-Turn Mower — commercial: daily paid use and high acreage; 60-inch deck; gas powered
What’s different? The 4 differences that matter most, from the published figures.
  1. ZTS 61 FT730V holds 7.5 gal (28.4 L) of fuel; Z920MZTrak Zero-Turn Mower holds 11.5 gal (43.5 L) of fuel, a 4 gal difference. Tank size bounds how long a machine runs between stops. Consumption varies with engine, load and speed, so hours per tank are not fixed.
  2. ZTS 61 FT730V has a published top speed of 10 mph; Z920MZTrak Zero-Turn Mower has a published top speed of 12 mph, a 2 mph difference. Top speed is the maker's maximum in transport. Mowing speed is lower and depends on grass, terrain and the deck.
  3. ZTS 61 FT730V weighs 1,210 lbs (548.9 kg); Z920MZTrak Zero-Turn Mower weighs 1,313 lbs (595.6 kg), a 103 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What ZTS 61 FT730V's weight means for a trailer ›
  4. ZTS 61 FT730V has a 24 hp engine; Z920MZTrak Zero-Turn Mower has a 23.5 hp engine, a 0.5 hp difference. Published horsepower is the maker's rating at a stated engine speed. It is a different measure from displacement, and two engines of equal rating can pull differently.
calculated figures and what isn’t comparable

Calculated by MowerFacts

  • ZTS 61 FT730V works out to 4.9 acres/hour; Z920MZTrak Zero-Turn Mower works out to 5.8 acres/hour, a 0.9 acres/hour difference. Calculated by MowerFacts from deck width and the published top speed at 80% efficiency; it is not a manufacturer figure, and real mowing is slower.

Not comparable

  • Blades: not published for Z920MZTrak Zero-Turn Mower.
  • Engine Make: not published for Z920MZTrak Zero-Turn Mower.
  • Deck Material: not published for Z920MZTrak Zero-Turn Mower.
  • Start Type: not published for Z920MZTrak Zero-Turn Mower.
  • Cut height range: not published for Z920MZTrak Zero-Turn Mower.

Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.

Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.

Add another (2 more fit): every commercial mower · more Wright · more John Deere
Side-by-side specifications: Wright ZTS 61 FT730V vs John Deere Z920MZTrak Zero-Turn Mower
Spec ZTS 61 FT730V
Wright · Commercial
Z920MZTrak Zero-Turn Mower
John Deere · Commercial
List price dealer quotedealer quote
Engine
Power Source gas gas
Engine Make Kawasaki —
Displacement 44.3 ci (726 cc) 44.3 ci (726 cc)
Engine Power 24 hp 23.5 hp
Cylinders — 2
Engine Model FT730V FX730V
Fuel Type Gasoline Gasoline
Start Type Electric —
Deck
Cutting Width 61 in (1549 mm) 60 in (1524 mm)
Blades 3 —
Deck Material 7 Gauge —
Deck Construction Floating-side discharge 7-gauge, 0.179-in. (4.6-mm) one-piece forged steel
Deck Gauge 7 —
Min Cut Height 1.5 in (38 mm) —
Max Cut Height 5 in (127 mm) —
Drive
Transmission Hydro Hydrostatic
Ground Speed 10 mph 12 mph
Reverse Speed 4.5 mph —
Dimensions
Weight 1210 lbs (548.9 kg) 1313 lbs (595.6 kg)
Fuel Capacity 7.5 gal (28.4 L) 11.5 gal (43.5 L)
Length 83 in (2108 mm) —

ZTS 61 FT730V: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — wrightmfg.com.

Z920MZTrak Zero-Turn Mower: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — deere.com.

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

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