PaintMaster RM21 Combo

FJD PaintMaster™ RM21 Combo

RM21 Robotic Line Marker

The FJD RM21 Combo is a fully electric, autonomous turf mower tailored for large-scale grounds that combines centimeter-level RTK accuracy with LiDAR navigation to deliver precise, safe, and efficient mowing with accurate field line marking. Built for demanding environments such as sports fields, parks, orchards, golf courses, and large landscaped areas, the RM21 combines intelligent control, an all-electric drivetrain, and a high-capacity 4 kWh battery to deliver consistent, high-quality mowing while reducing labor and operating costs.

Make Line Marking Easier

The PaintMaster RM21 Combo is an advanced autonomous field maintenance and marking solution that brings mowing and precision line striping together in one intelligent system. Designed for sports facilities, schools, and field management teams, it uses high-accuracy GPS and smart navigation technology to deliver consistent, professional-quality results with minimal manual labor. By combining routine turf maintenance with automated field marking, the RM21 Combo streamlines operations, reduces equipment needs, and helps ensure fields are always clean, game-ready, and accurately lined for a wide range of sports.
FJD RM21 autonomous robotic field marking and mowing machine operating on a sports turf field for precise line marking and maintenance.

The Ultimate All-in-One Turfcare Solution

The RM21 Combo is a fully autonomous mower plus field marker solution for sports fields and large landscapes. With centimeter-level RTK positioning, the RM21 cuts with remarkable accuracy, eliminating overlap and missed patches for a faster, more efficient workflow. Advanced LiDAR and built-in obstacle avoidance enable the mower to navigate safely and intelligently across multiple fields, automatically planning routes while preventing collisions and downtime.

New Commercial Turfcare Era Starts Here

The best turf shines in the real season. That’s the motivation driving the RM21 to redefine turf caring for sports fields or sod farms. Designed with pure electric drive for quiet, oil-free performance, it’s built with a smart control system and a large-capacity battery, giving you all the eco-friendly efficiency you need to let your landscaping business roll. The RM21 is engineered for safe, uninterrupted performance, equipped with collision bumpers, lift protection, rain detection, and automatic return-to-charge capabilities. It easily handles slopes up to 20° and can be monitored or controlled from anywhere through the mobile app.

Accurate and Efficient Mowing

Cut grass with centimeter-level positioning accuracy, giving efficiency a boost while reducing the risk of mowing lapse, mowing task omission or repetitive working. For sports applications, the RM21 can also be paired with the Line Marker Kit, allowing one machine to both mow the turf and mark field lines with high precision—saving even more time and labor.
FJD RM21 autonomous robotic mower operating on a complex sports field terrain, using LiDAR and RTK navigation to cut grass with precision.

Automatic Mowing on Complex Terrain

Leverage LiDAR tech to create a 3D map of the terrain, making it a breeze to safely mow in challenging areas such as under trees or around objects.
Autonomous line marking robot painting precise athletic field lines

One-Click Multi-Field Management

Support mowing multiple zones in a single task to save your valuable time & effort in managing your property, helping you invest more time on critical tasks.
Autonomous line marking robot painting precise athletic field lines

Smart Path Planning

Plan optimal mowing paths automatically with built-in precision algorithms, relieving your anxiety when working on the labor-intensive mowing tasks.
FJD PaintMaster RM21 autonomous field marking robot performing automatic mowing and field navigation on complex terrain with precise and durable athletic field control.

360° Real-time Object Detection

The mower leverages advanced LiDAR technology to detect objects in its surroundings, eliminating blind spots with impressive accuracy. It uses this spatial awareness to react quickly and avoid obstacles before collisions can occur. This rapid obstacle-detection system adds a powerful extra layer of safety to every operation.

Comprehensive Protection

The mower is protected by collision bumpers, which shield it from unexpected impacts. It also includes lift-safety features to detect and respond if it’s raised from the ground. Meanwhile, rain sensors monitor weather conditions to ensure safe, uninterrupted mowing.
FJD PaintMaster RM21 autonomous field marking robot featuring comprehensive protection systems including collision detection, rain monitoring, and durable all-terrain performance.
FJD PaintMaster RM21 autonomous field marking robot working alongside smart mowing technology for efficient, affordable, and precise athletic field maintenance.

Easier and Smarter Mowing

Take full control of your mower from anywhere using the mobile app, giving you real-time access even when you’re away. You can easily monitor its status and adjust mowing schedules remotely. This flexibility keeps your turf management seamless and hassle-free.

FJD RM21 autonomous robotic mower operating on a complex sports field terrain, using LiDAR and RTK navigation to cut grass with precision.

Power You Can Count On

When the battery runs low, the RM21 automatically navigates back to its charging base to recharge. This self-docking feature minimizes downtime and significantly improves overall working efficiency. Once fully charged, it seamlessly resumes its tasks to keep operations running smoothly.
FJD PaintMaster RM21 autonomous field marking robot operating on sloped terrain for accurate, durable, and affordable athletic field line marking.

Confident Performance on Any Slope

Climb slopes or inclines of up to 20° without getting stuck, ensuring a consistently smooth ride over tricky terrain. The autonomous line marking robot FJD PaintMaster RM21 Combo can handle hills and dips.

Intuitive Interaction and Simple Operation

Built-In Templates
Offers an array of built-in marking templates for quick and easy deployment.
Identify the starting point automatically for marking without manual intervention.
Resume marking from where you left off last time for continuous workflow.
Support multiple map creation methods to meet different marking needs.

High Precision From Start to Finish

A local base station provides stable signals to ensure every line is marked precisely on point.
 
  • Achieve the highest possible marking accuracy.
  • Reduce the risk of signal drift with super stability.
  • Save money by eliminating the need to purchase additional NTRIP  accounts.
FJD PaintMaster autonomous field marking robot base station providing high-precision GPS signal for accurate and affordable athletic field marking with durable paint.

Save Time and Money

The RM21 + LM01 Combo from FJ Dynamics dramatically cuts both labor and material costs by combining mowing and line-marking into a single autonomous machine. By eliminating the need for separate crews and equipment, it can reduce labor costs by over 90% and cut paint usage by more than 50%.
FJD PaintMaster Pro autonomous field marking robot software displaying built-in sports field templates for efficient and affordable robotic field painting.
FJD PaintMaster Pro autonomous robot painting a custom logo on grass with precision athletic field marking paint.

No need for stencils

Custom Logo Outlining

An autonomous field-marking robot can paint custom logos directly onto a field by following precise digital designs, eliminating the need for bulky stencils or manual layout work. Using GPS guidance and onboard sensors, it accurately reproduces complex shapes, text, and branding with clean, consistent lines. This not only saves significant setup time but also reduces labor and the risk of human error. The result is a crisp, professional-looking logo that can be recreated anytime with just a few taps.

Request More Info

Experience the full capabilities of FJD autonomous equipment with USSC robot ready paints. Our team will walk you through how the equipment operates, answer technical questions, and help you determine the best solution for your facility. Click the button below to request details from a USSC representative.

One Low Price for Stand Alone Unit
FJD PaintMaster™ RM21 Robotic Mower $29,995

Extended Warranty, Software Updates, Tech Support & RTK Cellular

Included:

Optional Add-Ons:

Financing Options for FJD PaintMaster™ RM21 Robotic Mower

Annual Financing

(3 Year Commitment)

$ 10,800.00 / year

Pay less overall interest with annual financing on the FJD PaintMaster RM21. Own robot outright after financing term ends.

Quarterly Financing

(12 Quarter Commitment)

$ 2,780.00 / quarter

Take advantage of quarterly financing options that let you start using the FJD PaintMaster RM21 on your sports fields right away.

Monthly Financing

(36 Months Commitment)

$ 1,244.10 / month

Enjoy the low costs of monthly financing that allow you to begin using the FJD PaintMaster RM21 immediately for your sports facilities.

Affordable Pricing

FJD PaintMaster™ RM21 Combo $39,995
Robotic Mower + Field Striping Combo Unit

Extended Warranty, Software Updates, Tech Support & RTK Cellular

Also Included:

Optional Add-Ons:

Financing Options for FJD PaintMaster™ RM21 Combo Unit (Mower + Striper)

Annual Financing

(3 Year Commitment)

$ 14,400.00 / year

Pay less overall interest with annual financing on the FJD PaintMaster Pro. Own robot outright after financing term ends.

Quarterly Financing

(12 Quarter Commitment)

$ 3,710.00 / quarter

Take advantage of quarterly financing options that let you start using the FJD PaintMaster Pro on your sports fields right away.

Monthly Financing

(36 Months Commitment)

$ 1,244.10 / month

Enjoy the low costs of monthly financing that allow you to begin using the FJD PaintMaster Pro immediately for your sports facilities.

Robot Field Painting and Mowing for Every Sport

The FJD RM21 Robotic Mower is a versatile, professional-grade solution tailored to maintain and elevate turf across a variety of sports contexts — from football pitches to golf courses. With centimeter-level RTK + LiDAR precision, the RM21 can navigate complex terrain with exacting accuracy, ensuring the playing surface is kept consistently smooth and even. Its app-based multi-zone scheduling allows it to manage large or multiple fields in a single run, making it ideal for grounds that host multiple sports. The mower’s safety systems — including 360° object detection, collision bumpers, and rain sensors — protect both the machine and the delicate turf, while its ability to climb slopes up to 20° means it can handle undulating fairways or the variable grade of a sports field. Because it’s pure electric and automatically returns to its charging station when the battery runs low, the RM21 offers a quiet, sustainable way to maintain premium turf without interrupting play.
Football lines painted by autonomous field striping robot

Football

The FJD RM21 can mow and precisely maintain the turf while also handling automated line marking, giving football fields a consistently clean and professional appearance.
Field Striping on Soccer Field by autonomous robot

Soccer

The FJD RM21 can efficiently mow the pitch and accurately mark all soccer field lines using its RTK-guided robotic system, ensuring consistent, professional-quality results with minimal effort.
Batter hitting the ball over line created by autonomous robots

Baseball

The FJD RM21 can maintain baseball fields by mowing the turf evenly and precisely marking foul lines, baselines, and field boundaries with its automated RTK-guided system.
FJD PaintMaster Pro autonomous rugby field marking robot painting crisp lines with durable and affordable athletic field marking paint.

Rugby

The FJD RM21 can efficiently mow large rugby pitches and precisely mark all field lines using its RTK-guided automated system, ensuring consistent, professional-grade results.
FJD PaintMaster autonomous field marking robot creating precise golf course lines with durable and affordable field marking paint from a trusted USA dealer.

Golf

The FJD RM21 can navigate diverse golf course terrain to deliver consistent mowing and accurately mark designated practice or training areas with its advanced RTK-guided automation.
GPS-guided autonomous field striping robot for lacrosse

Lacrosse

The FJD RM21 can mow lacrosse fields evenly while precisely marking all boundary lines, creases, and midfield areas using its RTK-guided automation.

Robot Field Painting for Every Organization

Autonomous line marking robots like the FJD PaintMaster RM21 Combo Unit can benefit a wide range of organizations. With schools, from K–12 districts to universities, grounds crews can save significant labor time while still achieving precise, regulation-quality lines. Athletic departments gain consistent field markings throughout the year with less manual work. Youth and community sports clubs can rely on one operator to mark fields quickly without needing large volunteer teams. Tournament organizers and leagues can standardize multiple fields efficiently and reduce downtime between events. Parks and recreation departments also benefit by stretching maintenance budgets through faster workflows and lower paint usage. Overall, any organization that manages athletic fields can gain major efficiency and accuracy improvements from autonomous line marking robots.
Autonomous field marking robot striping a high school football field with precision GPS technology.

K-12 Schools and School Districts

An autonomous field-painting robot can save K–12 school districts time and labor by quickly creating precise, consistent athletic field markings without tying up staff or requiring specialized expertise.

Autonomous field-painting robot maintaining college athletic fields with precise tournament-grade markings.

Colleges and Universities

Autonomous field-painting robots help colleges and universities maintain tournament-grade athletic fields by delivering precise, repeatable markings while reducing labor costs and freeing grounds crews for higher-value tasks.

Autonomous soccer field marking robot creating precise lines on a professional soccer field.

Parks & Recreation

An autonomous field-painting robot empowers parks and recreation departments to slash labor and paint costs while delivering perfectly straight, consistent lines with GPS-guided precision.
Robotic line marker painting bright USSC stripes on a baseball field

Youth & Sports Clubs

An autonomous field-marking robot helps sports and youth clubs achieve crisp, professional foul lines and baselines effortlessly so volunteers or small staff can set up fields in minutes while reducing paint waste.

Request More Info

Experience the full capabilities of FJD autonomous equipment with USSC robot ready paints. Our team will walk you through how the equipment operates, answer technical questions, and help you determine the best solution for your facility. Click the button below to request details from a USSC representative.