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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.

  • Gravely ZT HD 48 KAWASAKI — commercial: daily paid use and high acreage; 48-inch deck; gas powered
  • Gravely COMPACT-PRO 34 KAWASAKI — commercial: daily paid use and high acreage; 34-inch deck; gas powered
What’s different? The 5 differences that matter most, from the published figures.
  1. ZT HD 48 KAWASAKI has a 23 hp engine; COMPACT-PRO 34 KAWASAKI has a 15.5 hp engine, a 7.5 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.
  2. ZT HD 48 KAWASAKI has a 48 in (1,219 mm) deck; COMPACT-PRO 34 KAWASAKI has a 34 in (864 mm) deck, a 14 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. ZT HD 48 KAWASAKI has a 7 ga deck; COMPACT-PRO 34 KAWASAKI has a 10 ga deck.
  4. ZT HD 48 KAWASAKI holds 5.1 gal (19.3 L) of fuel; COMPACT-PRO 34 KAWASAKI holds 7.2 gal (27.2 L) of fuel, a 2.1 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.
  5. ZT HD 48 KAWASAKI lists at $6,849; COMPACT-PRO 34 KAWASAKI lists at $8,099, a $1,250 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
3 more differences, calculated figures

Other verified differences

  • ZT HD 48 KAWASAKI has a 44.3 ci (726 cc) engine; COMPACT-PRO 34 KAWASAKI has a 36.8 ci (603 cc) engine, a 7.5 ci difference.
  • ZT HD 48 KAWASAKI has a published top speed of 8 mph; COMPACT-PRO 34 KAWASAKI has a published top speed of 7 mph, a 1 mph difference.
  • ZT HD 48 KAWASAKI weighs 802 lbs (363.8 kg); COMPACT-PRO 34 KAWASAKI weighs 737 lbs (334.3 kg), a 65 lbs difference.

Calculated by MowerFacts

  • ZT HD 48 KAWASAKI works out to 3.1 acres/hour; COMPACT-PRO 34 KAWASAKI works out to 1.9 acres/hour, a 1.2 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.

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 Gravely
Side-by-side specifications: Gravely ZT HD 48 KAWASAKI vs Gravely COMPACT-PRO 34 KAWASAKI
Spec ZT HD 48 KAWASAKI
Gravely · Zero-Turn
COMPACT-PRO 34 KAWASAKI
Gravely · Zero-Turn
List price $6,849$8,099
Engine
Power Source gas gas
Displacement 44.3 ci (726 cc) 36.8 ci (603 cc)
Engine Power 23 hp 15.5 hp
Engine Make Kawasaki® Kawasaki®
Fuel Type Gas Gas
Engine Model FR691V FX481V
Deck
Cutting Width 48 in (1219 mm) 34 in (864 mm)
Deck Material 7 ga 10 ga
Deck Construction Fabricated X-Factor® 3 Fabricated X-Factor® 3
Deck Gauge 7 10
Discharge Side Side
Drive
Ground Speed 8 mph 7 mph
Drive System Hydro-Gear® ZT-3100® Transaxles Hydro-Gear® ZT-3100® Transaxles
Reverse Speed 4 mph 3 mph
Dimensions
Weight 802 lbs (363.8 kg) 737 lbs (334.3 kg)
Fuel Capacity 5.1 gal (19.3 L) 7.2 gal (27.2 L)
Length 79 in (2007 mm) —
Width 50.8 in (1290 mm) —

ZT HD 48 KAWASAKI: Specs verified against the retailer listing on Jun 6, 2026 — cuttingedgelawn.com.

COMPACT-PRO 34 KAWASAKI: Specs verified against the retailer listing on Jun 6, 2026 — allmachines.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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