FJ Dynamics FR4000 Mower FJ Dynamics FR4000 Mower

FJ Dynamics FR4000 Mower

$2995.00
$2995.00

The FJDynamics FR4000 is a compact, commercial-grade autonomous robotic lawn mower engineered for large residential estates, sports fields, HOAs, and municipal turf management. Powered by industrial Real-Time Kinematic (RTK) positioning and an AI smart vision system, it operates within virtual boundaries without physical perimeter wires, delivering centimeter-level positioning accuracy across complex layouts.

Key Technical Specifications

Feature Specification
Model FJDynamics FR4000 Smart Robotic Mower
Navigation System Industrial RTK (Radio / Network) + Enhanced AI Vision (Stereo/RGB)
Boundary Type Virtual Wire (Digital perimeter mapping via App)
Cutting Width 255 mm (10 in)
Cutting Height Range 10 mm – 50 mm / 20 mm – 60 mm (0.4 in – 2.4 in)
Cutting Mechanism 6 pivoting stainless steel blades
Coverage (Per Cycle) Up to 4,000 m² (~1.0 acre)
Coverage (Multi-Day Max) Up to 10,000 m² (2.47 acres) within 72 hours
Battery Capacity Dual 190 Wh lithium-ion batteries (380 Wh total)
Runtime per Charge Up to 180 minutes (3 hours)
Charge Time ~120 minutes
Mowing Speed Range 0.3 m/s to 0.5 m/s (1.1 km/h – 1.8 km/h)
Max Slope Gradient Up to 33° (65% grade)
Dimensions (L × W × H) 645 × 444 × 420 mm (25.4 × 17.5 × 16.5 in)
Unit Weight 13.3 kg (29.3 lbs)
IP Rating Mower: IPX5 / Charging Station: IP65 / RTK Station: IP67
Sensors Stereo camera, RGB camera, bumper, lift, tilt, rain sensor
Connectivity 4G, Wi-Fi, Bluetooth, Mobile App

Core Systems & Architecture

1. Navigation & Boundary Management

  • Dual-Layer Guidance: Combines dual-mode RTK (Radio and Network) with stereo optical cameras to preserve operational positioning under heavy tree coverage or near structures.

  • Wireless Mapping: Configures multi-zone schedules, passage corridors, and restricted (no-go) areas directly via the FJD mobile application.

  • Parallel Route Optimization: Plans systematic parallel cutting patterns to maximize coverage efficiency and minimize turf wear compared to random-bounce patterns.

2. Terrain & Incline Capabilities

  • High-Slope Drive: Uses a rear-wheel-drive powertrain capable of traversing slopes up to 33° (65% grade).

  • Low-Impact Footprint: A 13.3 kg gross weight minimizes soil compaction and turf tearing during tight turning maneuvers on incline surfaces.

3. Safety, Security & Weather Sensing

  • Active Vision Obstacle Avoidance: Uses AI vision processing paired with a physical contact bumper to detect and route around static and dynamic obstacles.

  • Rain Response Protocol: An integrated rain sensor triggers an automatic pause and routes the mower back to the charging dock upon detecting precipitation.

  • Security Layer: Built-in PIN code authorization, lift/tilt alarm triggers, charging dock pairing, and GPS tracking prevent unauthorized removal.

4. Power & Fleet Control

  • Auto & Portable Deployment: Supports standard auto-docking charge routines as well as manual "Drop & Run" deployment for remote zones lacking a dedicated charging dock.

  • App Telemetry & OTA: Provides real-time progress monitoring, custom height schedules, edge-mowing modes, and Over-the-Air (OTA) firmware updating.

Commercial Applications

  • Large Residential Estates & Communities: HOA common grounds and multi-property lawn care.

  • Sports & Training Grounds: Athletic practice fields and turf pitch management.

  • Municipal & Corporate Landscapes: Parks, school campuses, resort lawns, and office parks.

  • Golf Course Facilities: Practice green surrounds, tees, and clubhouse groundskeeping.