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New transmission takes centre stage at Deutz Fahr 6 Series launch

A dusty field in Dresden provided the backdrop to Deutz Fahr’s latest product launch which included new and updated 6 and 7 Series tractors. James Rickard reports.

James   Rickard

lead pic

New styling adopted from Deutz Fahr’s larger tractors is just the icing on the cake for its new range of 6 Series tractors.

More than just an engine update to meet the latest round of emission legislation, Deutz Fahr has been busy fettling its six-cylinder 6 Series tractors and given them a comprehensive overhaul.


A completely new transmission, front suspension design and a new integrated front linkage are just a few areas where its Lauingen engineers have been busy.


Comprising six main models spanning 156hp to 212hp, the series gains three extra models to cater for the diverse nature of customer base in this power bracket.


In addition, a modular design and build concept of this series also reflects the wide spec levels this tractor has to try and meet. This, according to Deutz Fahr, allows customers to better tailor tractors to their requirements.


It is the transmission department which sees the lion’s share of change. Working with long time transmission partner ZF, the 6 Series can now be specified with a brand new, five range, six powershift transmission, offering 30 forwards gears and 15 reverse. This is opposed to the old ‘box which offered six ranges with four powershifts in each.


Two specification levels of the transmission are available; the entry level PS spec sees a mechanical lever used to change range and buttons to change powershifts, while the new RC Shift option uses a joystick to change gear and allows full automation of the transmission.


Capable of 72kph, the new transmission allows low revs to be achieved when travelling at more sensible and legal speeds. For example, engine revs are kept down to 1,200rpm when travelling at 40kph.


RC Shift can be operated using one of three driving modes; manual, semi-auto or fully automatic. Start-up gears can also be programmed, a working range of gears can also be selected and the transmission can be limited to just automatically changing within a range.


As before, Deutz’s TTV continuously variable transmission (CVT) is still available, offering a total of three transmission choices.


Headline improvements to the 6 Series’ TCD 6.1 engine has to be the constant torque and power figures. No longer does it have a torque curve, this has been swapped for a torque ledge which offers almost peak torque on the 6215 model from 1,100rpm to 1,900 rpm. Constant power also spans 1,600 to 2,100 rpm.


In concert with the new transmission, lower revs on the road means a quieter journey with less fuel consumed, says the manufacturer.


Avoiding getting hot under the collar and to improve maintenance, the manufacturer has redeveloped the cooling package which is now of aluminium construction, creating a greater radiant capacity, and folds outwards and upwards in a fan shape, allowing greater access between the cores.


In addition, a new electronically controlled viscous fan affords on-demand cooling as and when necessary avoiding excessive use of power.


For emissions clean-up, the new motor uses all the tricks in the box to meet Stage 4 including exhaust gas recirculation, a diesel particulate filter, and selective catalytic reduction using diesel exhaust fluid.


With no diesel injection system to worry about, the particulate filter is more compact and is a serviceable item at 6,000 hours.


Sporting the fourth evolution of the firms MaxiVision cab, four specification variants are available; M which features a large proportion of mechanical control including transmission and spools, A which uses a new joystick-mounted armrest for transmission control, AH which gets the full-fat armrest controls with electric spools, and finally TTV-spec which comes with CVT-spec tractors.


For extra tractor functionality and the addition of precision farming features, Deutz Fahr’s touch screen iMonitor can be specified. A top-spec 12 inch version offers guidance, IsoBus and section and variable rate control. Offering the same user interface as the larger screen, a new, slightly lower-spec 8 inch version will also be available.


All models are AgroSky ready which allows fleet management and file transfer for example.


Taken from the 9 Series tractors, a new dash offers a clearer and more comprehensive view of information facilitated by the use of a colour LCD screen.


Up front, a new integrated linkage has been designed for the 6 Series. Rather than just a bolt on frame as before, the new version allows more functionality over the linkage including complete electronic control. Its design also allows a tighter turning circle.


Improvements to comfort have also been addressed with a new front axle suspension system. Developed in collaboration with Dana, it now uses a longer swing arm with double-acting rams placed further forwards and features anti dive and rise systems.


For 6205 models and above, outboard, dry disc brakes are standard fitment on 60kph-spec tractors and an option for 50kph machines.

6 Series facts

  • Number of models: six
  • Power range: 156hp to 212hp
  • Transmission options: PS manual powershift, RC Shift automated powershift, TTV continuously variable transmission
  • Hydraulics: 84l/min to 170l/min pump options depending on model
  • Rear linkage capacity: 9,200 to 10,000kg
  • Front linkage capacity: 4,110 to 5,480kg
  • Availability: Orders are being taken now
  • Prices: TBC

7 Series updates

Slightly less elaborate than the 6 Series, the 7 has also received a few updates.


Along with meeting Stage 4 emissions legislation, the 7 gets similar front-end developments as seen on the 6 Series including an integrated linkage and redesigned suspension unit.


Bonnet styling is adopted from the larger 9 Series which offers two lighting options; halogen or the more striking LED design.

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