Trimble GFX-750 whats it like ???

i agree & this GFX-750 on RTX is way cheaper than the CFX-750 which was also going to be on RTX that i had a previous
quote for last summer. The Roof Mounted NAV900 is poss the game changer aswell as the neater tablet type of screen.
There does appear to be a shift with this screen and nav controller combo in terms of ‘neatness’ and price point with this latest generation of gear from Trimble.

Think I previously mentioned how surprised I was at how price competitive AGCO had become (in Fendt gear at least), since they had adopted their strategy of bringing the steering control back in house (previously bundling it within the Topcon sources AGI-4 combo receiver and steering controller) and “multi-sourcing” the receivers to Trimble and NovAtel.

All of a sudden the cost to get a steer ready tractor enabled was about 1/2 it was previously.

I think this new Trimble gear is partly a response to that challenge in the market.
 

Slick

Member
Location
Beds
The CFX will be dropped in a couple of years, the GFX is its replacement.
I can see the GFX taking a good slice of TMX sales as well, that fecking TM200 is a crock.
 
It says 15cm pass to pass in the description, but ours always runs at 2-5cm when your engaged on the line.

This is a common misunderstanding.

The signal accuracy is not the same thing as the XTE you see on the screen.

XTE = cross track error = offline distance

Think of signal accuracy as a band on the field which your AB line can drift between.

On an RTK system the band is 2.5cm
On an CentrePoint RTX system the band is 4cm.
On a RangePoint RTX system the band is 15cm.

The drift of the line within this band is generally slow, it’s not something you would usually notice unless you’re halfway across a field, stop for lunch and go back working again - then you may notice a drift.

The XTE is something completely different. This is a measure of how well the vehicle can follow the AB line at that particular moment.

So you could have RTK accuracy of 2.5cm but because your vehicle is poorly calibrated you have a XTE of 10cm as the tractor weaves down the line.

That’s my contribution to the PF world on this fine Saturday!! [emoji16]
 

Slick

Member
Location
Beds
Dealer says Centre point RTX is dearer than RTK so they dont use it.
Shirley it's down to you what correction you want to use?
Do they have an RTK base station so they can charge you a subscription for it rather than you paying Trimble Correction Services for a Centerpoint sub?
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
Shirley it's down to you what correction you want to use?
Do they have an RTK base station so they can charge you a subscription for it rather than you paying Trimble Correction Services for a Centerpoint sub?
ive no idea m8.
There is several base station senders not that far away from me but dunno what the story is.
They could have one here if they want we have access to some of the fastest comms in the country here.
4GMobile on all networks Fast Rural Wifi BB & FTTP being installed withing the next 12months as our BT line
cant supply any BB whatsoever Openreach is now going to install Fibre right to the farm.
 
Yes, I can confirm, AS communications have a very good price on CenterPoint FAST subscriptions - exclusive to AS Comms only.
It's £650 per year and stays at £650, the Trimble receiver does need to be unlocked to RTK level accuracy, but doesn't need a radio.

The GFX is certainly streaks ahead of the CFX in usability and functionality.

Regards,
Josh Clayton
07824660600
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
Is it poss to make a push button switch activate Guidance on to connect up to GFX-750?
just using mine now & find having to keep pushing corner of screen to do this at every end a bit of a chore
 

Slick

Member
Location
Beds
Is it poss to make a push button switch activate Guidance on to connect up to GFX-750?
just using mine now & find having to keep pushing corner of screen to do this at every end a bit of a chore

The short answer is yes you can.
But (there's always a but),if you are using Ez-pilot pro or Auto-pilot motor drive with the spangly new harness there is a green 12 pin connector on the harness that is labelled 'remote engage', plug your switch into the relevant pins (2 and 11 I think,there are only 2 wires in there.) Enable remote engage in the autoguidance settings and away you go.
If you don't have that harness you have to run a cable to the 12 pin socket on the back of the Nav 900,can't remember the pin outs for that atm.
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
The short answer is yes you can.
But (there's always a but),if you are using Ez-pilot pro or Auto-pilot motor drive with the spangly new harness there is a green 12 pin connector on the harness that is labelled 'remote engage', plug your switch into the relevant pins (2 and 11 I think,there are only 2 wires in there.) Enable remote engage in the autoguidance settings and away you go.
If you don't have that harness you have to run a cable to the 12 pin socket on the back of the Nav 900,can't remember the pin outs for that atm.
Thats good to hear i'll get intouch with installer folks then.
I just have the Screen & Nav 900 on the roof as my tractor was pretty much plug n play being Autoguide Ready.
 

Slick

Member
Location
Beds
Thats good to hear i'll get intouch with installer folks then.
I just have the Screen & Nav 900 on the roof as my tractor was pretty much plug n play being Autoguide Ready.
What tractor is it on? Most autoguide ready stuff has a remote engage somewhere these days.
I told you wrong earlier, not that it's relevant to you, it's pins 2 and 7 for Ez-pilot and apmd.
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
What tractor is it on? Most autoguide ready stuff has a remote engage somewhere these days.
I told you wrong earlier, not that it's relevant to you, it's pins 2 and 7 for Ez-pilot and apmd.
Massey 7499 & there is no instant Activate steering button, just a 2 position rocker on side post that enables the system.
i'll contact supplier & see what they say.
 

Slick

Member
Location
Beds
Massey 7499 & there is no instant Activate steering button, just a 2 position rocker on side post that enables the system.
i'll contact supplier & see what they say.
Massey 7499 & there is no instant Activate steering button, just a 2 position rocker on side post that enables the system.
i'll contact supplier & see what they say.
I'm not sure about that range but on newer Massey's it can be programmed to work on the joystick.
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
Just done a days drilling with GFX on centrepoint fast. I was very impressed. On the drill markers all day and easy to use software so old blokes like me can use it.
Mine wont stay on the same A-B line its diff either way on the drill.
100% Fine on the wider unipress tho.
Need tech support to sort it for me.
Plus be handy if i could wire up a sep pushy switch to activate it
 

Renaultman

Member
Arable Farmer
Location
Darlington
Its funny you saying that but the Rep pretty much told me the same thing.
Ive always thought you had to have RTK for drilling but apparently not.
id like to think after 25years of drilling am pretty good, but on slopes across fields ive got overlapping most probs
the same as everyone else does & i wanted to just improve on that really.
No Veg or CTF here & there never will be.
I don't have any correction at all, on either my older 750 or my original 250, which hold it's line better IMO, (takes longer to find it mind). If you accept that it will occasionally 'jump' I find it more than adequate to keep me right on hillsides and angled headlands. I can put curved lines in and start a breed anywhere I want in the field, I do give myself a metre leeway though as would rather have a slight overlap than a miss.
 

Lofty1984

Member
Mixed Farmer
Location
South wales
Mine wont stay on the same A-B line its diff either way on the drill.
100% Fine on the wider unipress tho.
Need tech support to sort it for me.
Plus be handy if i could wire up a sep pushy switch to activate it
It’s a pain fert spreading trying to turn in on your a/b line hit that barsteward green tick in the corner 10 tines to get it into auto steer while simultaneously starting the spinner spreading only to find you pressed the fecking tick one to many times and turned the auto steer off after you’d let go off the wheel and your off by mile :oops:
 

Sandy

Member
Location
Aberdeenshire
I’m using it on rtk for drilling with a Horsch Pronto il know in a couple of days when the barley pops up in rows but it’s been great I think all wired to the multi controller on a Claas.
 

Shutesy

Moderator
Arable Farmer
I’m using it on rtk for drilling with a Horsch Pronto il know in a couple of days when the barley pops up in rows but it’s been great I think all wired to the multi controller on a Claas.
How did you get it to talk to the Claas multi controller? we have a CFX 750 which apparently cant be connected to our Claas to use the autosteer button which is annoying. Is the GFX that bit different that allows it to talk to the Claas?
 

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Red Tractor drops launch of green farming scheme amid anger from farmers

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quote: “Red Tractor has confirmed it is dropping plans to launch its green farming assurance standard in April“

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