The FJ Dynamics RM21 on Turf Farms: Solving Labour Shortages Without Cutting Corners on Quality

By Dirk Streefkerk

Turf farms run on mowing consistency, and consistency is exactly what's under pressure from labour shortages and rising costs. Here's how the FJ Dynamics RM21 is being used to keep large paddocks on schedule without adding headcount.

FJ Dynamics RM21 commercial robotic mower cutting a large turf farm paddock

In this post:

Section

1. Turf farming runs on labour that's getting harder to find

Turf farms live and die by mowing consistency. Cut on schedule and the product looks even, dense, and ready to harvest on time. Fall behind because of a staff shortage, a wet week, or a mower down for servicing, and quality drops across paddocks that represent months of growing time and real money.

Labour shortages, rising fuel and input costs, and mounting equipment maintenance bills are squeezing margins across the industry. Add noise restrictions that limit ride-on mowing to daylight hours, and daylight-only operation on top of weather-dependent scheduling, and a lot of turf farms are running mowing programs that are more fragile than they'd like.

2. The FJ Dynamics RM21: built for scale, not suburban lawns

The FJD RM21 is a genuinely commercial-grade autonomous mower, not a scaled-up residential unit. It's designed to cover large open paddocks with the same RTK satellite positioning and LiDAR-based terrain mapping used across FJ Dynamics' commercial range, and it's built to run for extended periods with minimal supervision.

Specification

Detail

Working area per charge

Up to 13,000 m² (3.2 acres)

Extended coverage

Up to 93,600 m² (23 acres) over three days of scheduled operation

Battery

4 kWh

Cutting height

Adjustable 20–127 mm

Ground speed

Up to 6 km/h

Navigation

RTK satellite positioning, centimetre-level accuracy

Obstacle detection

LiDAR-based terrain mapping

Operation window

Silent, all-weather, day or night

The working figures matter more on a turf farm than almost anywhere else, because paddock size and mowing frequency directly determine how many units a property needs and how they're rostered across the growing area.

3. What changes when mowing runs itself

Labour gets redeployed, not just reduced

The RM21 doesn't need an operator once it's mapped and scheduled. Staff who were on a ride-on for a full shift move to harvesting, irrigation checks, weed control, or the other jobs a turf farm never has enough hours for. That's a bigger win than the raw labour saving, because it's capacity added back to the parts of the operation that actually need a person's judgement.

Night mowing sidesteps noise and heat

Silent electric operation means the RM21 can run overnight, avoiding daytime noise restrictions and the worst of summer heat, both for the machine and for anyone who'd otherwise be sitting on a ride-on in 35-degree paddock conditions.

Costs shift from variable to largely fixed

Electric operation eliminates fuel spend entirely, and maintenance is mostly scheduled blade replacement rather than the ongoing servicing load of a petrol ride-on fleet. For a turf operation mowing the same paddocks on repeat through the season, that predictability is worth almost as much as the dollar saving itself.

4. Real installations, not just specifications

Robot Mowers Australia has supplied and supported multiple RM21 installations across commercial turf and grounds sites in NSW, including turf operations expanding their fleet with a second unit once the first proved out on paddock conditions and mowing schedule. The pattern is consistent: once an operator sees an RM21 handle a real paddock through wet ground, uneven terrain, and a full working week, the case for adding a second or third unit usually makes itself.

5. Next steps

Robot Mowers Australia offers on-site demonstrations for qualified turf growers. We'll bring an RM21 to your property, run it on your actual terrain, and work through the numbers for your specific paddock layout and mowing schedule, not a generic case study.

Phone 1300 762 666 or email info@robotmowersaustralia.com.au to arrange a demonstration, or view the FJD RM21 specifications.

Contact us

Contact us

Get in touch with our robot mower nerds.

Get in touch with our robot mower nerds.

Contact us today to enquire about commercial equipment or request a free demonstration.

Contact us today to enquire about commercial equipment or request a free demonstration.

Robot Mowers Australia

Automate Your Lawn Maintenance with Robotic Lawn Mowers. Robot Mowers Australia is an Authorised Dealer.

Call us today on 1300 762 666 or email us at info@robotmowersaustralia.com.au

Visit us

Unit 3/42 Aero Rd, Ingleburn NSW 2565
Get Directions

Showroom Hours

Friday 8:30am - 5:00pm
Saturday 8:30am - 1:30pm

Contact us to schedule an appointments outside our posted trading hours.

Shipping and Support

We ship robotic mowers to NSW, VIC, QLD, WA, SA & ACT. We do not ship to NT. Installation and support services Sydney, Blue Mountains, Central Coast, South Coast and Southern Highlands.

Robot Mowers Australia

Automate Your Lawn Maintenance with Robotic Lawn Mowers. Robot Mowers Australia is an Authorised Dealer.

Call us today on 1300 762 666 or email us at info@robotmowersaustralia.com.au

Visit us

Unit 3/42 Aero Rd, Ingleburn NSW 2565
Get Directions

Showroom Hours

Friday 8:30am - 5:00pm
Saturday 8:30am - 1:30pm

Contact us to schedule an appointments outside our posted trading hours.

Shipping and Support

We ship robotic mowers to NSW, VIC, QLD, WA, SA & ACT. We do not ship to NT. Installation and support services Sydney, Blue Mountains, Central Coast, South Coast and Southern Highlands.

Robot Mowers Australia

Automate Your Lawn Maintenance with Robotic Lawn Mowers. Robot Mowers Australia is an Authorised Dealer.

Call us today on 1300 762 666 or email us at info@robotmowersaustralia.com.au

Visit us

Unit 3/42 Aero Rd, Ingleburn NSW 2565
Get Directions

Showroom Hours

Friday 8:30am - 5:00pm
Saturday 8:30am - 1:30pm

Contact us to schedule an appointments outside our posted trading hours.

Shipping and Support

We ship robotic mowers to NSW, VIC, QLD, WA, SA & ACT. We do not ship to NT. Installation and support services Sydney, Blue Mountains, Central Coast, South Coast and Southern Highlands.