Ryobi ZR3 80V HP Brushless 42" Zero Turn Riding Mower Kit
Zero-Turn mower · Model RY80HPRM04K-ZR3 · Residential-duty · Battery
The Ryobi ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit is a residential-grade battery zero-turn mower, built for mowing open residential acreage quickly, with a 42-inch deck and a 80 V battery.
Also sold as: ZR3 80V HP Brushless 42” Zero Turn Riding Mower Kit (Kit (battery & charger included))
At a glance
Engine
| Power Source | battery |
|---|---|
| Fuel Type | Battery / Electric |
Electrical
| Voltage | 80 V |
|---|
Deck
| Cutting Width | 42 in (1067 mm) |
|---|---|
| Min Cut Height | 1 in (25 mm) |
| Max Cut Height | 4.5 in (114 mm) |
| Deck Material | 12G Fabricated Steel |
| Deck Gauge | 12 |
| Discharge | Mulching, Bagging & Side Discharge |
Drive
| Ground Speed | 7 mph |
|---|---|
| Drive Type | Riding |
General
| Warranty | 5 yr |
|---|
Productivity & acreage
ZR3 80V HP Brushless 42 in Zero Turn Riding Mower Kit deck width, ground speed and computed acres-per-hour, from the specs we have. Duty class: Residential — Built for home-lawn use.
Productivity computed from deck width and ground speed. Compare on the calculator ›
| Deck width | 42 in |
|---|---|
| Engine make | not specified by manufacturer |
| Engine displacement | not specified by manufacturer |
| Engine power | not specified by manufacturer |
| Transmission | not specified by manufacturer |
| Drive type | Riding |
| Ground speed | 7 mph |
| Cut-height range | 25 mm – 114 mm |
| Fuel capacity | not specified by manufacturer |
| Weight | not specified by manufacturer |
| Warranty | 5 |
| Commercial warranty | not specified by manufacturer |
| Deck construction | 12G Fabricated Steel |
| Deck gauge | 12 ga |
| Spindle type | not specified by manufacturer |
| Frame construction | not specified by manufacturer |
| Anti-scalp rollers | not specified by manufacturer |
| Drive tire size | not specified by manufacturer |
| Seat type | not specified by manufacturer |
| Dealer network | not specified by manufacturer |
Similar models
Other zero-turn mowers with comparable specs — including other brands — that buyers cross-shop with the 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.
Source: Ryobi (manufacturer) · archived copy