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A neutral, side-by-side reference of each model's stated specifications. MowerFacts does not rank one model above another — 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 ZXL 52 FX820 — commercial: daily paid use and high acreage; 52-inch deck; gas powered
  • Wright Autonomous ZK 72 61G8 — commercial: daily paid use and high acreage; 72-inch deck; gas powered
Side-by-side specifications: Wright ZXL 52 FX820 vs Wright Autonomous ZK 72 61G8
Spec ZXL 52 FX820
Wright · Commercial
Autonomous ZK 72 61G8
Wright · Commercial
Engine
Power Source gas gas
Engine Make Kawasaki Briggs & Stratton
Displacement 50.2 ci (822 cc) 60.6 ci (993 cc)
Engine Power 34.5 hp 40 hp
Start Type Electric Electric
Engine Model FX820 61G8
Fuel Type Gasoline Gasoline
Deck
Cutting Width 52 in (1321 mm) 72 in (1829 mm)
Blades 3 3
Deck Material 7 Gauge 7 Gauge
Deck Construction Floating-side discharge Floating-Mulch
Deck Gauge 7 7
Max Cut Height 6 in (152 mm) 5.5 in (140 mm)
Min Cut Height 1.5 in (38 mm) 1.5 in (38 mm)
Drive
Transmission Hydro Hydro
Ground Speed 12.5 mph 12.5 mph
Reverse Speed 8 mph 7 mph
Dimensions
Weight 1250 lbs (567 kg) 1201 lbs (544.8 kg)
Fuel Capacity 15.5 gal (58.7 L) 15.5 gal (58.7 L)
Length 82.5 in (2096 mm) 72 in (1829 mm)

ZXL 52 FX820: Specs verified against the retailer listing on Jun 6, 2026 — cuttingedgelawn.com.

Autonomous ZK 72 61G8: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — wrightmfg.com.

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