Compare Mowers
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 42 KAWASAKI — commercial: daily paid use and high acreage; 42-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.
- ZT 42 KAWASAKI lists at $3,899; COMPACT-PRO 34 KAWASAKI lists at $8,099, a $4,200 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
- ZT 42 KAWASAKI holds 2 gal (7.6 L) of fuel; COMPACT-PRO 34 KAWASAKI holds 7.2 gal (27.2 L) of fuel, a 5.2 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.
- ZT 42 KAWASAKI weighs 498 lbs (225.9 kg); COMPACT-PRO 34 KAWASAKI weighs 737 lbs (334.3 kg), a 239 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What ZT 42 KAWASAKI's weight means for a trailer ›
- ZT 42 KAWASAKI has a Mach One deck; COMPACT-PRO 34 KAWASAKI has a Fabricated X-Factor® 3 deck.
- ZT 42 KAWASAKI has a 11 ga deck; COMPACT-PRO 34 KAWASAKI has a 10 ga deck.
4 more differences, calculated figures and what isn’t comparable
Other verified differences
- ZT 42 KAWASAKI has Hydro-Gear® Serviceable EZT® Transaxles drive; COMPACT-PRO 34 KAWASAKI has Hydro-Gear® ZT-3100® Transaxles drive.
- ZT 42 KAWASAKI has a 42 in (1,067 mm) deck; COMPACT-PRO 34 KAWASAKI has a 34 in (864 mm) deck, a 8 in difference.
- ZT 42 KAWASAKI has a 18 hp engine; COMPACT-PRO 34 KAWASAKI has a 15.5 hp engine, a 2.5 hp difference.
- ZT 42 KAWASAKI has a published top speed of 6 mph; COMPACT-PRO 34 KAWASAKI has a published top speed of 7 mph, a 1 mph difference.
Calculated by MowerFacts
- ZT 42 KAWASAKI works out to 2.0 acres/hour; COMPACT-PRO 34 KAWASAKI works out to 1.9 acres/hour, a 0.1 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
- Cut height range: not published for COMPACT-PRO 34 KAWASAKI.
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.
| Spec | ZT 42 KAWASAKI Gravely · Zero-Turn |
COMPACT-PRO 34 KAWASAKI Gravely · Zero-Turn |
|---|---|---|
| List price | $3,899 | $8,099 |
| Engine | ||
| Power Source | gas | gas |
| Displacement | 36.8 ci (603 cc) | 36.8 ci (603 cc) |
| Engine Power | 18 hp | 15.5 hp |
| Engine Make | Kawasaki® | Kawasaki® |
| Engine Model | FR600V | FX481V |
| Fuel Type | Gas | Gas |
| Deck | ||
| Cutting Width | 42 in (1067 mm) | 34 in (864 mm) |
| Min Cut Height | 1.5 in (38 mm) | — |
| Max Cut Height | 4.5 in (114 mm) | — |
| Deck Material | 11 ga | 10 ga |
| Deck Construction | Mach One | Fabricated X-Factor® 3 |
| Deck Gauge | 11 | 10 |
| Discharge | Side | Side |
| Drive | ||
| Ground Speed | 6 mph | 7 mph |
| Reverse Speed | 3 mph | 3 mph |
| Drive System | Hydro-Gear® Serviceable EZT® Transaxles | Hydro-Gear® ZT-3100® Transaxles |
| Dimensions | ||
| Weight | 498 lbs (225.9 kg) | 737 lbs (334.3 kg) |
| Fuel Capacity | 2 gal (7.6 L) | 7.2 gal (27.2 L) |
| Length | 68 in (1727 mm) | — |
| Width | 46.3 in (1175 mm) | — |
Where these models differ, explained
ZT 42 KAWASAKI: Specs verified against the retailer listing on Jun 6, 2026 — ellingtonagway.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.