Husqvarna Automower NERA
Husqvarna's wire-free Automower with EPOS satellite navigation for 5,000m² lawns.
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Robomow RK4000 Pro
Our Verdict: The brute force choice. When you need raw cutting power for thick grass, Robomow delivers.
The Robomow RK4000 Pro is built for serious mowing. Its 42cm (16.5″) pendulum-suspended cutting deck with offset blades delivers consistent results even on uneven terrain, handling thick grass that lighter mowers struggle with.
With GSM remote control, a 4.3″ HD touchscreen, coverage up to 4,000m², and slopes up to 45%, it’s a premium workhorse for large, demanding lawns. The unique edge-cutting technology ensures excellent boundary results, supporting up to 4 secondary zones plus 2 separate zones.
Large lawns
Thick grass
Overgrown yards
Efficiency-focused mowing
Specifications
| Coverage | Up to 4,000m² |
|---|---|
| Cutting Time | 110-120 minutes |
| Cutting Height | 20-100mm |
| Cutting Width | 420mm (16.5") |
| Slope Capability | 45% (24°) |
| Navigation | Boundary wire + systematic |
| Noise Level | 64dB |
Pros & Cons
A quick summary of where this model performs well and where it falls short.
Pros
- Wide 42cm cut covers ground fast
- Handles thick, overgrown grass
- Edge-cutting mode
- Robust build quality
- Good slope handling
Cons
- Boundary wire required
- Louder than smaller models
- Large and heavy
- No wire-free option
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