one for the MF die hards

Cowabunga

Member
Location
Ceredigion,Wales
They are certainly due for a major revamp. The D4/D6 transmission has been in production since 2005/2006 approximately, with mainly software updates, which while not being as long lived as the 100/200 series/35/65 six and eight speed transmissions, isn't far off.

Do hope they don't follow fashion with a robotised manual sequential dual clutch type system though. Far too much synchromesh with multiple wearing parts involved for my liking. Repair costs are already eye-watering but could be really really torturous on these transmission types. I would prefer it if they kept to six speed planetary units with perhaps closer ratios and a couple of extra ranges, sticking to a semi-poweshift with a simpler driver interface. Certainly no more 'complications'. Drivers are already overwhelmed by transmission 'complications'.

Substantially refining and improving what they already have, plus a complete overhaul and simplification of its controls would be my ideal for a proper revamp. Nothing they do in terms of a completely new design is likely to significantly improve affordability, mechanical efficiency of operation or productivity in the field compared with their current offering of D6 and D/VT. They should expend their energy on making better and more reliable rather than making completely different for the sake of it.

But what do I know, I only own, pay the running costs and operate tractors. :rolleyes:
 
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52BF94E3-6DF7-4996-9106-B0BDFE54176F.jpeg


“.....Iseki Blue” :ROFLMAO::ROFLMAO::ROFLMAO::ROFLMAO::ROFLMAO::ROFLMAO:

Fudgin heck what an insult for mighty Massey:LOL:
 

Rust

Member
Location
Hertfordshire
They are certainly due for a major revamp. The D4/D6 transmission has been in production since 2005/2006 approximately, with mainly software updates, which while not being as long lived as the 100/200 series/35/65 six and eight speed transmissions, isn't far off.

Do hope they don't follow fashion with a robotised manual sequential dual clutch type system though. Far too much synchromesh with multiple wearing parts involved for my liking. Repair costs are already eye-watering but could be really really torturous on these transmission types. I would prefer it if they kept to six speed planetary units with perhaps closer ratios and a couple of extra ranges, sticking to a semi-poweshift with a simpler driver interface. Certainly no more 'complications'. Drivers are already overwhelmed by transmission 'complications'.

Substantially refining and improving what they already have, plus a complete overhaul and simplification of its controls would be my ideal for a proper revamp. Nothing they do in terms of a completely new design is likely to significantly improve affordability, mechanical efficiency of operation or productivity in the field compared with their current offering of D6 and D/VT. They should expend their energy on making better and more reliable rather than making completely different for the sake of it.

But what do I know, I only own, pay the running costs and operate tractors. :rolleyes:
A completely manual gear shift would suit me.
Low box up to 30k ?
And a high box upto 50k just as it is now.
Surely that would give a good overlap of years in the main working range ?
 

Cowabunga

Member
Location
Ceredigion,Wales
A completely manual gear shift would suit me.
Low box up to 30k ?
And a high box upto 50k just as it is now.
Surely that would give a good overlap of years in the main working range ?

Manual gearbox will never be an option on any tractor over 120hp offered in the UK by any big brand for professional farmers and contractors, I venture to guess. The productivity handicap compared to a semi-powershift is massive on the majority of jobs apart from road haulage and stationary work.
 

Rust

Member
Location
Hertfordshire
Manual gearbox will never be an option on any tractor over 120hp offered in the UK by any big brand for professional farmers and contractors, I venture to guess. The productivity handicap compared to a semi-powershift is massive on the majority of jobs apart from road haulage and stationary work.
Wasn't thinking completely manual.
Just a easy high low lever that would double the gears. Dyna 48 [emoji3]
 

Cowabunga

Member
Location
Ceredigion,Wales
Wasn't thinking completely manual.
Just a easy high low lever that would double the gears. Dyna 48 [emoji3]

A semi-powershift like the D6 with a power-splitter in each ratio? That might actually work. I wonder if Gima engineers ever considered that? It would certainly be a marvellous addition to the D4 transmission, halving the gaps between current powershift steps.

Problem as I see it as a layman looking at the Gima operation, purely from being on a farmer's guided tour round the factory, is that they only have the capability of manufacturing one type of transmission there, and variants of it, at a time. For instance they could never have built the old Dynashift and the newer D4/D6 models simultaneously. Even a numty like me can work that out. Therefore any completely new transmission design they build at the factory will mean that only that transmission and variants of it could then be machined and assembled. Perhaps I'm wrong, but that's the impression a tour gave me. So any new transmission type is going to be it. The default transmission across the range of tractors built in the shed next door. Any other transmission type would have to be bought in, like the Fendt built Vario transaxle option has been for the last 15 or 16 years.
 

Fendtbro

Member
They are certainly due for a major revamp. The D4/D6 transmission has been in production since 2005/2006 approximately, with mainly software updates, which while not being as long lived as the 100/200 series/35/65 six and eight speed transmissions, isn't far off.

Do hope they don't follow fashion with a robotised manual sequential dual clutch type system though. Far too much synchromesh with multiple wearing parts involved for my liking. Repair costs are already eye-watering but could be really really torturous on these transmission types. I would prefer it if they kept to six speed planetary units with perhaps closer ratios and a couple of extra ranges, sticking to a semi-poweshift with a simpler driver interface. Certainly no more 'complications'. Drivers are already overwhelmed by transmission 'complications'.

Substantially refining and improving what they already have, plus a complete overhaul and simplification of its controls would be my ideal for a proper revamp. Nothing they do in terms of a completely new design is likely to significantly improve affordability, mechanical efficiency of operation or productivity in the field compared with their current offering of D6 and D/VT. They should expend their energy on making better and more reliable rather than making completely different for the sake of it.

But what do I know, I only own, pay the running costs and operate tractors. :rolleyes:
While you are correct that a box full of worn synchro’s is a financial disaster, I am very interested to see how long the Deere dd type of gearbox actually lasts for. The two main factors that influence synchro lifespan are the rotating speed difference and the rate at which engaged. In the case of dyna 6 the computer has to throw the next range in as fast as possible to avoid you rolling to a stop, and you have already traveled through 6 splits therefore a fairly big jump in speed difference. On the d4 box in our old Renault you had an big jump on the 4 synchro gears and really had to pull hard on the manual lever, makes you realise how hard the robotised shift has to work.. as far as I can see the dd transmission will usually be bumping up one gear at at a time with only a small synchro speed increase with each shift, and the computer can probably allow a slightly longer time engage time as the gear is basically pre selected. This should all add up to less wear involved. If the tractor can reach 8-10k hours then be rebuilt for 10-12k that is probably on course with p/s and vario ‘s. And if the tractor is on haulage work, you are getting on with the job.. vario’s are a joke on the road...
 

Mouser

Member
Location
near Belfast
While you are correct that a box full of worn synchro’s is a financial disaster, I am very interested to see how long the Deere dd type of gearbox actually lasts for. The two main factors that influence synchro lifespan are the rotating speed difference and the rate at which engaged. In the case of dyna 6 the computer has to throw the next range in as fast as possible to avoid you rolling to a stop, and you have already traveled through 6 splits therefore a fairly big jump in speed difference. On the d4 box in our old Renault you had an big jump on the 4 synchro gears and really had to pull hard on the manual lever, makes you realise how hard the robotised shift has to work.. as far as I can see the dd transmission will usually be bumping up one gear at at a time with only a small synchro speed increase with each shift, and the computer can probably allow a slightly longer time engage time as the gear is basically pre selected. This should all add up to less wear involved. If the tractor can reach 8-10k hours then be rebuilt for 10-12k that is probably on course with p/s and vario ‘s. And if the tractor is on haulage work, you are getting on with the job.. vario’s are a joke on the road...
6000 hrs on one Dd at work, don't ask me details, boss just said gearbox pigged now dealer has to come twice a day to filter oil as bits of dirt keep blocking something and steering won't work!
 

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
Tractor builder Massey Ferguson is working on a successor to the 7700 series. We have known that for some time. It was also clear that the tractor will get a brand new cabin. But we did not yet know what it would look like.

New photos taken by LandbouwMechanisatie not far from the Massey Ferguson plant in Beauvais, France, show a tractor painted in Iseki-blue, without type designation. In everything, however, the tractor has the characteristics of a Massey Ferguson. In particular, the frame and logically also the bonnet resemble those of the tractors from the 7700 series.

Four styles
The parable ends at the cabin. It appears to be brand new. He has four bars. Both the left and right doors extend in one piece. On the right-hand side there is a support for monitors over the full width of the door. In the B-pillar a screen is mounted, which in all probability displays information about the tractor and engine. However, that is not certain. The large heated rear window is also striking. It is bent at the corners, so that the view behind, but especially the side behind the tractor, remains large. This is also the case with the current cab, but with two extra pillars, the straight rear window is small.

Sloping windshield
The cabin's windscreen appears to be slightly inclined forward in the photos, as is also the case with JCB. That has advantages. It reduces the incidence of light and gives the driver the feeling of being in a spacious cabin. The cabin has, just as with Fendt, a lot of space between the window and the hood. This lowers the noise level in the cabin and gives the possibility to mount a 360 degree windscreen wiper. However, the latter is not the case with this prototype.

LED-lighting
The shape of the fenders and the hood of the tractor also seem to be changing. It is not only higher, but also includes more of the engine. In addition, the front lighting is equipped with LED stripes as we see in passenger cars but also in Deutz tractors. The width lighting are also LEDs.
Introduction 2022?

Whether the tractor is equipped with a new transmission is unknown. However, there are rumors that Gima, the transmission factory of MF mother Agco and Claas, is working on an 8-speed automatic shifting shift with double clutch. When this trigger, and then of course in red, will be introduced is also the question. According to the information from LandbouwMechanisatie we will have to wait until 2022. That could mean that it could be introduced during Agritechnica in November 2021. Perhaps, but that is speculation, we can see the cabin, or at least its frame, earlier. But then on a Fendt tractor.
 

Cowabunga

Member
Location
Ceredigion,Wales
Hopefully the new cab will not only be bigger, quieter and more comfortable with better ventilation but will have more thought given to practical storage and places to put modern essentials like larger mobile phones with wireless charging mats, USB sockets, up to 10 or 12" tablet computers, a good torch and so on. Not forgetting a fridge with capacity for two lunchboxes and a couple of large bottles.

Plenty of alternative positions and available power supply sockets for implement controls and monitors also. Doors what open wide with wide step access, but doors that don't get blown away by a gust of wind. Provision for surround and implement cameras with a dedicated 12" screen, not just for tractor surround cameras but for at least an additional three implement mounted or remote wireless cameras as well. If my Qashqai can have factory surround cameras, why not the tractor?

I do hope they have practical people who think outside the box working on these, just like Harry Ferguson himself when he designed the Ferguson System from the ground up.
 

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