FJ Dynamics FR4000 Mower

Product Description

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

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.

RECEIVE FREE SHIPPING WITH A QUALIFIED ORDER! 

If the product is in stock it will ship from our warehouse located in Sioux Falls, SD within 24 hours. We will provide you with tracking information as soon as the product is shipped.  If the product is over 150 lbs it will ship LTL freight.  Product less than 150 lbs. will ship via UPS, USPO, DHL or Fed EX.  Customer can expect shipping lead time to be 1 to 10 business days. In stock product typically arrives within 3-5 business days depending on your location.  If the product is not in stock you will promptly be notified and it may take 3 to 5 weeks for your order to be filled (we will clearly communicate this to you). 

Please double check and verify the dimensions and description including the hole pattern and bolt size of the part numbers in your order and verify they are correct.  We are happy to provide drawings and consult to verify the correct part #'s.  We recommend you put a tape measure to it.

Do not forget plow bolts!

Why can’t I purchase?

There are a lot of elements to consider when ordering wear parts, and because time is money and freight shipping can be expensive, we want to make sure your order is right the first time.

How fast can I expect a quote?

During working hours, we will call and then email you within 2 hours to discuss your order including price and shipping timelines and costs.