Manufacturer: FJ Dynamics

FJ Dynamics RM21 Robotic Mower

$29,999.00

FJDynamics RM21 Multi-Functional Robotic Mower

Autonomous Turf Maintenance for Large Landscapes, Sports Fields, and Commercial Grounds


🤖 Autonomous Mowing Built for Large-Scale Turf Operations

The FJDynamics RM21 Multi-Functional Robotic Mower is a commercial-grade autonomous mowing system designed to maintain large turf areas with precision, efficiency, and minimal labor. Engineered for environments such as sports fields, orchards, parks, and golf roughs, the RM21 combines advanced RTK positioning, LiDAR navigation, and intelligent route planning to deliver consistent mowing results across complex terrain. (U.S.A.R.)

Powered by a pure electric drivetrain and high-capacity battery, the RM21 provides quiet, zero-emission mowing while reducing operating costs and eliminating many of the maintenance requirements associated with traditional gas equipment. (U.S.A.R.)

For organizations managing large landscapes, the RM21 introduces a smarter, more efficient way to maintain professional turf quality.


🌱 Key Features & Benefits

🎯 Centimeter-Level Precision Navigation

  • RTK positioning delivers ±2 cm accuracy for consistent mowing paths

  • Reduces missed areas and unnecessary overlap

  • Improves mowing efficiency and turf appearance (U.S.A.R.)


🛰️ RTK + LiDAR Smart Navigation

  • LiDAR creates a 3D terrain map for safe operation

  • Works effectively around trees, obstacles, and complex environments

  • Enables safe autonomous mowing without boundary wires (FARM-ING.at)


🤖 Fully Autonomous Operation

  • Automatically plans mowing routes

  • Supports multi-zone and multi-field management

  • One operator can supervise multiple machines simultaneously (FARM-ING.at)


Electric Drive System

  • Quiet, zero-emission operation

  • Eliminates fuel costs and oil leaks

  • Ideal for environmentally sensitive locations (U.S.A.R.)


🛡️ Advanced Safety Systems

  • 360° obstacle detection with LiDAR

  • Collision bumpers and lift sensors

  • Rain detection and automatic shutdown features (FARM-ING.at)


🔋 Automatic Charging

  • Automatically returns to the charging station when the battery is low

  • Maintains continuous operation without manual intervention (FARM-ING.at)


⚙️ Key Specifications

Feature Specification
Navigation System RTK + LiDAR
Cutting Width 25 in (63 cm)
Cutting Height Range 0.8–5 in (20–127 mm)
Battery Capacity 4 kWh
Battery Voltage 48 V
Runtime ~5 hours
Charging Time ~5 hours
Coverage Per Charge Up to ~3.2 acres
Maximum Coverage (3 days) Up to ~22 acres
Maximum Slope Up to 20°
Ground Speed Up to 3.7 mph
Water Resistance IPX4
Weight ~375 lb (170 kg)

(XDC Autonomous Solutions)


🎯 Ideal Applications

The RM21 robotic mower is designed for large commercial and institutional landscapes, including:

  • Sports fields and athletic complexes

  • Golf course rough areas

  • Parks and recreational spaces

  • Orchards and farm landscapes

  • University and corporate campuses

  • Municipal green spaces

Its autonomous operation allows facilities to maintain large areas consistently without increasing labor requirements.


📈 Why Autonomous Turf Maintenance?

Traditional mowing for large properties requires significant labor, fuel, and equipment maintenance. Autonomous mowing systems like the RM21 allow organizations to:

✔ Reduce labor costs and workforce shortages
✔ Improve mowing consistency and turf quality
✔ Lower emissions and operating costs
✔ Maintain large landscapes more frequently
✔ Monitor operations remotely through smart controls


🟢 Why Buy Through Automation Hub

Automation Hub helps organizations deploy advanced robotic turf systems successfully.

When purchasing through Automation Hub, you receive:

  • Professional consultation and site evaluation

  • Mapping and deployment planning

  • Support for integrating autonomous turf equipment

  • Ongoing operational support

We work with municipalities, sports complexes, golf facilities, and campuses to modernize turf management with robotics.


📞 Request Pricing or a Demo

Pricing varies depending on configuration and deployment requirements.

Contact Automation Hub to:

  • Request a quote

  • Schedule a demonstration

  • Evaluate whether robotic mowing is right for your facility