Mammotion Luba 3 AWD vs Segway Navimow
3 questions both answer, side by side. Every answer is backed by the dated sources at the bottom.
Side by side
Can a robot mower handle steep slopes?
Mammotion rates the Luba 3 AWD for slopes up to 80% (38.6°), using four-wheel drive.
Good to know: Maker's spec. From $2,399.
Segway lists the Navimow i Series for slopes up to 30%.
Good to know: Maker's spec, from the European site; other Navimow models may differ.
Can a robot mower spot pets and toys on the lawn?
Mammotion says the Luba 3 AWD detects obstacles and pets while mowing, using two cameras with AI vision plus 360° LiDAR.
Good to know: Maker's claim; it says 300+ obstacle types are recognized. Not independently tested in our sources.
Segway's VisionFence uses a 140° fisheye camera and AI to tell grass from pets, furniture and garden tools on the Navimow i Series.
Good to know: Maker's claim, from the European site.
Can a robot mower work without a boundary wire?
The Luba 3 AWD mows inside virtual boundaries using satellite positioning plus LiDAR; a reviewer found it held its lines almost perfectly.
Good to know: Got stuck at a ditch when positioning drifted a few inches. Review unit supplied by Mammotion. From $2,399.
Segway's Navimow mows without a boundary wire using RTK positioning, per a hands-on review.
Good to know: Reviewer had antenna trouble; signal can weaken under large trees. 2023 review of the line, not one model.
How we know (5 sources)
Review of the Luba 3 AWD (3000 model, $2,799 MSRP), scored 9.1/10. Its LiDAR, RTK and camera navigation is described as reliable under heavy tree canopy where RTK-only mowers lose signal. Downsides: price, occasional grass damage on sharp turns, app lag, weight.
Read the sourceSeveral weeks with a Mammotion-supplied Luba 3 AWD, which uses network RTK plus LiDAR instead of a boundary wire. It held its mapped lines almost perfectly, but got stuck at a ditch when positioning was off by a few inches. Trimming and edging are still needed. From $2,399 in the US.
Read the sourceUS product page for the Luba 3 AWD, read Oct 22, 2026: from $2,399 (0.37 acre) to $3,299 (1.25 acres). All-wheel drive for slopes up to 80% (38.6°). Navigation by 360° LiDAR, network RTK and dual-camera AI vision; Mammotion says it detects obstacles and pets as it mows and recognizes 300+ obstacle types.
Read the sourceHands-on review of Segway's Navimow line, which uses RTK positioning instead of a boundary wire. The reviewer hit some antenna difficulties; signal can weaken under large trees.
Read the sourceNavimow i Series product page (European site, read Oct 22, 2026): RTK plus vision navigation without wires or antenna, for lawns of 500–800 m². Climbs slopes up to 30%. VisionFence uses a 140° fisheye camera and AI to tell grass from obstacles such as pets, furniture and garden tools.
Read the source