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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.

  • Bobcat ZT2000 Zero-Turn Mower — commercial: daily paid use and high acreage; 42-inch deck; gas powered
  • Ariens RIDGELINE 48 — commercial: daily paid use and high acreage; 48-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
  1. ZT2000 Zero-Turn Mower has a HG ZT-2800 Hydrostatic Transaxles transmission; RIDGELINE 48 has a Hydrostatic transmission. The transmission grade tracks duty rating and speed. Grade names are each maker's own and are not comparable across brands.
  2. ZT2000 Zero-Turn Mower has a 42 in (1,067 mm) deck; RIDGELINE 48 has a 48 in (1,219 mm) deck, a 6 in difference. Deck width sets how much grass each pass covers. Mowing time also depends on ground speed, turns and obstacles, so a wider deck alone does not fix the job's length. Time both decks on your own lawn ›
  3. ZT2000 Zero-Turn Mower holds 3.8 gal (14.4 L) of fuel; RIDGELINE 48 holds 4.5 gal (17 L) of fuel, a 0.7 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. ZT2000 Zero-Turn Mower has a 21.5 hp engine; RIDGELINE 48 has a 22 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.
  5. ZT2000 Zero-Turn Mower cuts from 1.5 in (38 mm) to 4.6 in (117 mm); RIDGELINE 48 cuts from 1.5 in (38 mm) to 4.5 in (114 mm). The cut-height range is the shortest and tallest cut the deck offers. Most lawns are kept well inside it.
calculated figures and what isn’t comparable

Calculated by MowerFacts

  • ZT2000 Zero-Turn Mower works out to 2.4 acres/hour; RIDGELINE 48 works out to 2.7 acres/hour, a 0.3 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

  • Displacement: not published for ZT2000 Zero-Turn Mower.
  • Warranty: not published for ZT2000 Zero-Turn Mower.
  • Blades: not published for ZT2000 Zero-Turn Mower.
  • Engine Make: not published for ZT2000 Zero-Turn Mower.
  • Deck Construction: not published for RIDGELINE 48.
  • Drive System: not published for ZT2000 Zero-Turn Mower.
  • Price: ZT2000 Zero-Turn Mower is dealer quote only.

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 Bobcat · more Ariens
Side-by-side specifications: Bobcat ZT2000 Zero-Turn Mower vs Ariens RIDGELINE 48
Spec ZT2000 Zero-Turn Mower
Bobcat · Commercial
RIDGELINE 48
Ariens · Commercial
List price dealer quote$6,799
Engine
Power Source gas gas
Engine Make — Kawasaki FS651V
Displacement — 44.3 ci (725.9 cc)
Engine Power 21.5 hp 22 hp
Engine Model Kaw FR651V —
Deck
Cutting Width 42 in (1067 mm) 48 in (1219 mm)
Blades — 3
Deck Construction TufDeck 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts —
Min Cut Height 1.5 in (38 mm) 1.5 in (38 mm)
Blade Tip Speed 18809 ft/min (5733 m/min) 16903 ft/min (5152 m/min)
Cut Positions — 13
Max Cut Height 4.6 in (117 mm) 4.5 in (114 mm)
Drive
Transmission HG ZT-2800 Hydrostatic Transaxles Hydrostatic
Ground Speed 7 mph 7 mph
Drive Tire Size 20 x 8.0-10 —
Reverse Speed 3 mph 3 mph
Drive System — Hydro-Gear® ZT-2800® Transaxles
Dimensions
Weight 717 lbs (325.2 kg) 719 lbs (326.1 kg)
Fuel Capacity 3.8 gal (14.4 L) 4.5 gal (17 L)
Length 79 in (2007 mm) —
Commercial / Pro
Seat Type High-Back, Spring Suspension Seat —
General
Warranty — 4 yr

ZT2000 Zero-Turn Mower: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — bobcat.com.

RIDGELINE 48: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ariens.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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