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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.

  • Bad Boy Mowers ZT Avenger — commercial: daily paid use and high acreage; 54-inch deck; gas powered
  • Kubota Z252KW-54 — commercial: daily paid use and high acreage; 54-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
  1. ZT Avenger uses a Kohler engine; Z252KW-54 uses a Kawasaki FR730V engine. The engine maker builds the engine; the mower maker chooses the model, rating and fit, so the badge alone does not settle output or longevity.
  2. ZT Avenger has a Dual Hydro Gear 2800 transmission; Z252KW-54 has a Hydro-Gear ZT-3100 transmission. The transmission grade tracks duty rating and speed. Grade names are each maker's own and are not comparable across brands.
  3. ZT Avenger holds 7.8 gal (29.5 L) of fuel; Z252KW-54 holds 4.3 gal (16.3 L) of fuel, a 3.5 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.
  4. ZT Avenger weighs 745 lbs (338 kg); Z252KW-54 weighs 860 lbs (390.1 kg), a 115 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What ZT Avenger's weight means for a trailer ›
  5. ZT Avenger has a published top speed of 7 mph; Z252KW-54 has a published top speed of 8 mph, a 1 mph difference. Top speed is the maker's maximum in transport. Mowing speed is lower and depends on grass, terrain and the deck.
2 more differences, calculated figures and what isn’t comparable

Other verified differences

  • ZT Avenger has a 26 hp engine; Z252KW-54 has a 24 hp engine, a 2 hp difference.
  • ZT Avenger has a 45.6 ci (747 cc) engine; Z252KW-54 has a 44.3 ci (726 cc) engine, a 1.3 ci difference.

Calculated by MowerFacts

  • ZT Avenger works out to 3.1 acres/hour; Z252KW-54 works out to 3.5 acres/hour, a 0.4 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

  • Fuel Type: not published for ZT Avenger.
  • Deck Material: not published for Z252KW-54.
  • Deck Construction: not published for Z252KW-54.
  • Drive System: not published for ZT Avenger.
  • Cut height range: not published for Z252KW-54.

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 zero-turn mower · more Bad Boy Mowers · more Kubota
Side-by-side specifications: Bad Boy Mowers ZT Avenger vs Kubota Z252KW-54
Spec ZT Avenger
Bad Boy Mowers · Zero-Turn
Z252KW-54
Kubota · Zero-Turn
List price dealer quotedealer quote
Engine
Power Source gas gas
Displacement 45.6 ci (747 cc) 44.3 ci (726 cc)
Engine Power 26 hp 24 hp
Engine Make Kohler Kawasaki FR730V
Fuel Type — Gasoline
Deck
Cutting Width 54 in (1372 mm) 54 in (1372 mm)
Min Cut Height 1.5 in (38 mm) —
Max Cut Height 4.5 in (114 mm) —
Deck Material 3/16" or 7-Gauge Thick Solid Steel —
Deck Construction 7 Gauge / 4.5mm —
Deck Gauge 7 10
Drive
Transmission Dual Hydro Gear 2800 Hydro-Gear ZT-3100
Ground Speed 7 mph 8 mph
Drive Tire Size 20x12-10 Turf 22 x 10 - 14
Drive System — Belt
Dimensions
Weight 745 lbs (338 kg) 860 lbs (390.1 kg)
Fuel Capacity 7.8 gal (29.5 L) 4.3 gal (16.3 L)
Length 74.5 in (1892 mm) 74.4 in (1890 mm)
Width — 67.3 in (1710 mm)
Height 46 in (1168 mm) 68.4 in (1737 mm)

ZT Avenger: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — badboycountry.com.

Z252KW-54: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kubotausa.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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