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Screen time evolution: Can one control terminal do it all?

As tractor functions become more mechanised and automated, can one control terminal do it all and replace banks of screens and levers? Jane Carley investigates.

Screen time evolution: Can one control terminal do it all?

New Holland


New Holland’s Intelliview IV terminal offers a common platform for tractors from the T6 series upwards, combines and forage harvesters.


End user trainer Freddie Holland says: “Intelliview provides a flexible display which can host machine control; guidance, including for variable rate applications; section control via IsoBus and implement control via geolocation, such as for variable rate work.”


Intelliview complies with the latest IsoBus Class III protocol, which means it can operate implements rather than using a separate terminal and it can allow the tractor to be controlled by them.


“IsoBus implements can control forward speed, engine speed, hydraulic flow and even stop and start the tractor,” says Mr Holland.


“This increases productivity. An example would be our IntelliBale system, which can increase or decrease tractor forward speed dependent on the load on the baler.”


While a single terminal cuts cab clutter and makes operation of implements simpler, this can be at the expense of a busy screen or constant scrolling or flicking to get the information required.


“We have tackled this by making Intelliview IV customisable, so the buyer can create a layout to suit his needs and implements – for example to show all machine data, all spools, GPS/mapping and then his chosen implement control box. Many machine functions are automated now anyway, so the driver does not need to monitor them constantly.”


Data transfer is via a USB stick to New Holland desktop software, compatible with Gatekeeper. Using the PLM Connect telemetry package, files can be transferred wirelessly to the farm office, downloading yield data from a harvester for example or uploading application maps.


“Basic functions of the terminal are in the grasp of every farmer. We then offer field and telephone support to get the best out the system for their particular application,” says Mr Holland.

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The touch-screen terminal in JCB Fastrac tractors is designed to handle setting up and adjustment of machine functions and a key feature is the use of easily identifiable icons to access functions and easy navigation to the various sections.


Large icons are designed to be easier to finger-tap on the move and up to five sequences, each with up to 15 steps in the Headland Turn Assist Section, can be created and saved to minimise control workload at the end of each run across a field.


The display can also be customised and specific functions assigned to joystick buttons according to the operator’s preferences.


GPS guidance is available via a third-party display, such as a Trimble unit, and IsoBus implement control via a compliant display from Ag-Leader, John Deere, Topcon and Trimble. Other IsoBus displays may need additional connectors.


The latest version of the Fastrac 8000 Series tractor has a new hydrostatic steering system to enable it to work to higher levels of guidance accuracy.


Fastracs come with JCB’s LiveLink telematics system as standard, which provides location and operating information, as well as proactive service scheduling and remote fault finding in partnership with JCB dealers and JCB’s own technical support team.



Fendt’s Variterminal offers Integrated Guidance mapping and acts as an ISO Universal terminal with section control built into the terminal relay for use with any suitable IsoBus implement. Variable Rate Control is also integrated into the terminal, with the ability to handle multiple products simultaneously.


Secure wireless data transfer between systems such as Gatekeeper and the tractor uses the mobile phone network to send tasks to the tractor where they are stored until selected. ‘As applied’ maps are then sent back for paperless record-keeping.


Advanced headland functionality allows a complete headland sequence to be automatically activated.


Fendt suggests compatibility is rarely an issue, with the most common cause being either the tractor or the implement has outdated software on it, which is usually easily rectified.


A single terminal, such as Fendt’s Variterminal, reduces cab clutter and simplifies operation



The Claas S10 is an implement terminal, but can also be used for GPS steering and to display up to four camera images.


Product specialist Edward Miller explains: “As standard the S10 provides TC [task controller] Basic for IsoBus implement, and steering, also offering compatibility with Gatekeeper via its ISO XML format without using additional Claas software. There are also a number of options for which we see increasing demand.”


These include TC Geo, which offers GPS positioning data and variable rate and yield mapping capability. TC SC adds section control.


Mr Miller adds an increasing number of Claas customers are using the S10 as a single control terminal and reducing the number of separate implement terminals.


“The most commonly ISO-controlled implements are drills, fertiliser spreaders and sprayers, which tend to be on a long replacement cycle so our customers may be still be using older, non-ISO implements needing a separate box. When it comes to replacement, kit from all the leading manufacturers is now ISO-compatible.”


Claas takes a different approach to reducing screen clutter. All functions for implement control to steering and tractor data are ‘layered’ on one main touch-screen, the icons becoming opaque to highlight them when tapped.


John Deere


John Deere has its latest GreenStar 4640 display out on test with customers, destined to be a long-term replacement for its established 2630 screen. A universal terminal suitable for moving between tractors, sprayers and harvesters, the 4640 is also complemented by the company’s 4600 integrated display, built into the armrest.


All versions handle precision farming as well as machine functions and can also act as an IsoBus implement terminal.


John Deere’s AMS specialist Jack Howard says: “We work closely with AEF to ensure compatibility when developing hardware. But it is important to recognise there are several levels of compatibility. While a universal terminal is designed for implement operation, extras such as section control, documentation and auxiliary control can be added.”


He adds John Deere displays allow implement control to be diverted to the main screen, making it possible to do away with separate terminals, but he now sees a move away from this.


“A single screen is not ideal if you want to monitor guidance at the same time as controlling the implement. A split screen can work, but it is more comfortable to have full size screens.”


John Deere’s solution is to offer a dual display similar to using a laptop and larger monitor in the office.


“It is one system and you can drag information from one screen to another if needed, but there’s no need to flick between them.”


He says wireless data transfer has reduced the operator effort needed to send information between the tractor and the farm office and has been widely adopted.


“It is base equipment on our tractors from 100hp upwards, and once the customer has signed up to MyJohnDeere, there is the facility to store data in the cloud as required.”


Remoteness of the field is not an issue, he says.


“It uses the cellular network, but in areas where there is limited call coverage, a big issue in Brazil for example, the system has WiFi functionality. When the tractor returns to the farm or other WiFi hotspot once a day or even once a week, the data goes over the network.”




A number of new and upgraded features for McCormick’s Data Screen Manager (DSM) display give the driver access to numerous tractor set-up and operations functions and can accommodate a remote camera feed.


When the IsoBus communications option is installed on McCormick X7 and X8 tractors, the DSM is turned into an AEF-compliant Universal Terminal.


McCormick manufacturer Argo Tractors is introducing the electronics infrastructure into more tractors in the McCormick range, including the Tier 4 Final 111-140hp X6.4 and new 110-126hp X6.05 models becoming available later this year.


With the latest software upgrades, a number of the DSM’s non-IsoBus functions have been refined and enhanced, including a greater range of display brightness settings, individual set-up and information records for different drivers, and the facility to edit recorded headland management sequences.


Added versatility in electric spool valve set-up comes with the ability to allocate valves to the paddle switches, loader mini-joystick and switches on the transmission control handle, called EasyPilot on VT-Drive models, for a set-up which individual operators find most convenient or intuitive.


The Precision Steering Management option comprises an integrated system linked to a separate Topcon display.

Have a look at  Trimble's manufacturer account

Trimble's Agriculture Division provides solutions that solve complex technology challenges across the entire agricultural landscape.


The solutions enable farmers and advisors to allocate scarce resources to produce a safe, reliable food supply in a profitable and environmentally sustainable manner.


Covering all seasons, crops, terrains and farm sizes, Trimble solutions can be used on most equipment on the farm, regardless of manufacturer and production year.


To enable better decision making, Trimble offers technology integration that allows farmers to collect, share, and manage information across their farms, while providing improved operating efficiencies in the agricultural value chain.

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