FJ Dynamics FR4000 Autonomous Robot Mower

£2,300.00 + VAT

Smart, Quiet, and Wire-Free Lawn Care

Bring professional precision to your garden with the FJDynamics FR4000 Robotic Lawn Mower — the next generation of intelligent, fully electric mowing. Designed for homeowners and small estates, the FR4000 combines industrial-grade accuracy with simple, app-based control to deliver a flawless finish without perimeter wires or manual effort.

Wire-Free Setup

No perimeter cables needed – define mowing areas virtually using the FJD app.

Large Coverage

Mows up to 1,000 m² per charge and 4,000 m² per day.

Quick Start

Ready to mow in under 5 minutes with simple app setup.

High Precision

RTK and Smart Vision System ensure centimetre-level accuracy and clean, even cuts.

Tackles Slopes

Climbs gradients up to 33° (65 %) effortlessly.

Rain Sensor & Auto-Return

Automatically pauses in rain and returns to charge.

Quiet & Electric

Emission-free, low-noise operation for peaceful mowing.

Smart App Control

Create zones, set schedules, monitor live, and adjust height from 10–50 mm.

2-Year Warranty

and full UK support from Scrase Farms.

Effortless, Accurate Mowing

Using RTK positioning and a stereo camera Smart Vision System, the FR4000 maps your garden boundaries with pinpoint precision — no messy wires or guesswork. Define multiple mowing zones, set “no-go” areas, and choose your preferred mowing pattern directly from your smartphone.

All-Electric Convenience

Fully battery-powered and whisper-quiet, the FR4000 runs up to 180 minutes per charge and automatically returns to its charging station when finished. It’s the eco-friendly way to keep your lawn pristine, with zero emissions and minimal maintenance.

Smart, Safe & Simple

A built-in rain sensor, anti-theft system, and IPX5 waterproof design make the FR4000 as reliable as it is intelligent. Stay connected with real-time camera monitoring, live alerts, and effortless scheduling — all managed through the FJD Landscaping App.

Technical Specifications

Specification Detail
Model FJD FR4000 Robotic Lawn Mower
Mowing Area (per charge) Up to 1,000 m²
Mowing Area (per day) Up to 4,000 m² (≈ 1 acre)
Maximum Slope 33° (65 %)
Battery Capacity 190 Wh lithium-ion
Operating Time Up to 180 minutes per charge
Charging Time Approx. 1–1.5 hours
Cutting Height Range 10–50 mm
Positioning System Industrial RTK / Network RTK
Navigation Sensors RGB + Stereo Cameras, Smart Vision System
Waterproof Rating IPX5
Noise Level Low-noise electric operation
Control & Connectivity FJD Landscaping App (iOS & Android)
Functions Auto-charging, multi-zone management, no-go zones, real-time monitoring, OTA updates
Security PIN access, GPS tracking, alarm system
Setup Time Approx. 5 minutes
Weight 13.3 kg
Warranty 2 Years

Enjoy a perfectly cut lawn, every day – quietly, cleanly, and completely automatic with the FJD FR4000 Robotic Lawn Mower.