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.
- John Deere Z370RS ElectricZTrak Mower — residential: typical home lawns; 42-inch deck; battery (no fuel or engine maintenance)
- Ryobi ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit — residential: typical home lawns; 42-inch deck; battery (no fuel or engine maintenance)
What’s different? The 4 differences that matter most, from the published figures.
- Z370RS ElectricZTrak Mower runs on a 56 V battery; ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit runs on a 80 V battery, a 24 V difference. Battery voltage names the platform. Run time depends on the pack's capacity in amp-hours and on the cutting load.
- Z370RS ElectricZTrak Mower has a 42A: 12 gauge 0.105 in. 2.7 mm deck; ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit has a 12G Fabricated Steel deck.
- Z370RS ElectricZTrak Mower carries a 3-year warranty; ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit carries a 5-year warranty, a 2 years difference. Warranty length is the maker's published term. Conditions and commercial-use limits differ between makers.
- Z370RS ElectricZTrak Mower cuts from 1.3 in (32 mm) to 4.5 in (114 mm); ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit cuts from 1 in (25 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.
what isn’t comparable
Not comparable
- Weight: not published for ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit.
- Transmission: not published for ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit.
- Fuel Type: not published for Z370RS ElectricZTrak Mower.
- Drive System: not published for ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit.
- Discharge: not published for Z370RS ElectricZTrak Mower.
- Price: Z370RS ElectricZTrak 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.
| Spec | Z370RS ElectricZTrak Mower John Deere · Zero-Turn |
ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit Ryobi · Zero-Turn |
|---|---|---|
| List price | dealer quote | $3,999 |
| Engine | ||
| Power Source | battery | battery |
| Fuel Type | — | Battery / Electric |
| Electrical | ||
| Voltage | 56 V | 80 V |
| Deck | ||
| Cutting Width | 42 in (1067 mm) | 42 in (1067 mm) |
| Min Cut Height | 1.3 in (32 mm) | 1 in (25 mm) |
| Max Cut Height | 4.5 in (114 mm) | 4.5 in (114 mm) |
| Deck Material | 42A: 12 gauge 0.105 in. 2.7 mm | 12G Fabricated Steel |
| Deck Gauge | 12 | 12 |
| Discharge | — | Mulching, Bagging & Side Discharge |
| Drive | ||
| Transmission | Dual electric motor with 1-in (2.5-cm) axles | — |
| Ground Speed | 7 mph | 7 mph |
| Drive Type | — | Riding |
| Reverse Speed | 3.5 mph | — |
| Drive System | Electric motors | — |
| Dimensions | ||
| Weight | 500 lbs (226.8 kg) | — |
| Length | 75.4 in (1915 mm) | — |
| Width | 50.4 in (1280 mm) | — |
| Height | 43.3 in (1100 mm) | — |
| General | ||
| Warranty | 3 yr | 5 yr |
Where these models differ, explained
Z370RS ElectricZTrak Mower: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — deere.com.
ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ryobitools.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.