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German manufacturer Fendt launched its new 900 Vario SCR range at the beginning of last month and, as you can guess from the name, has adopted SCR as its chosen method of meeting the latest emission regulations.

With the new range comes a new flagship model, and the firm has launched the 390hp 939 Vario Fendt. According to Fendt, it has a market share of more than 30pc in the 250hp+ bracket across Europe.

Fendt has used Deutz engines for quite a few years now and this has not changed -- all models in the new generation 900 Vario SCR range are all powered by a new six-cylinder, 7.8-litre capacity Deutz engine with SCR.

The new engine has a larger bore and longer stroke, increasing capacity to 7.8 litres. The common rail fuel injection pressure has also been increased to 2,000 bar and the engines are equipped with a new turbocharger with electronically controlled waste gate. There is also a new cooler and heat exchanger system for the transmission and hydraulic oil.

SCR exhaust treatment technology uses a second liquid, AdBlue, to treat the exhaust gases and convert the harmful NOx content into nitrogen and water.

According to Fendt's marketing director, Roland Schmidt, "there are a number of advantages to using SCR technology. But the primary reason is that it reduces fuel consumption by allowing the engine to be set for optimum combustion. Unlike EGR, using SCR creates less exhaust gas back pressure and does not consume fuel for filter recuperation. It also calls for significantly reduced cooling capacity."

The firm claims that fuel tests show a saving of about 7pc in fuel.

Standard on the new series is the new Variotronic terminal with a seven-inch screen (10.4-inch is optional) which integrates all the controls in one terminal, including the new Vario-Guide automatic steering, tractor operation, documentation, camera displays and ISObus implement controls.

Top speed from the Vario transmission remains at 60kph and, to improve safety on the road, Fendt is now introducing an ABS braking option. This will be available in the middle of next year. Also available around that same time is an optional integrated tyre pressure adjustment system, which is set using the Variotronic terminal.

Production of the new series is expected to start in December. While the most powerful 939 Vario now comes in at the top, the smallest 220hp, 922 Vario model will be discontinued from the range. Instead, the recently launched 822 Vario will take over in that power category.

Irish Independent