Zetor Tractors from Czech Republic is set to launch its Series 6 this year. This new range is meeting the demands and standards for daily field- and transport work of today’s modern tractors in the mid horsepower segment. It will replace the current Forterra Series.
With the introduction of the Series 6, Zetor returns to its roots when tractors were categorized by numerical series. Chronologically arranged numerical model series linked to engine performance ensure a clear categorization system, making it easier for farmers to identify the most suitable machine for their needs.
“The Series 6 will become Zetor’s new flagship and sets a new direction for the development and assembly of our future products. With a power range from 131 to 171 HP, the Series 6 will replace the current Forterra model. Concurrently work and testing are underway for the Series 5, which will correspond in performance to the Proxima model range. As part of our long-term product plans, we will also introduce tractors corresponding to the Major range, as well as a completely new model with over 200 HP,” explains Róbert Harman, CEO of Zetor Tractors a.s.
The Series 6 is equipped with four-cylinder Deutz 4.1 engines, delivering a maximum power of 171 HP at 1900 rpm. With a displacement of 4.1 liters, these engines meet the Stage V emission standard through SCR, DPF, and external exhaust gas re-circulation systems. The engines feature Common Rail injection, a single turbocharger, and the option to set constant speeds at two levels.
New transmission
The new ZF TPT 16 Powershift transmission allows for smooth gear changes under load. To the basic five forward and three reverse gears, it adds a six-step multiplier for forward movement and a three-step multiplier for reverse. Including creeper gears, there will be a total of 54 forward and 27 reverse gears, with a maximum speed of 40 km/h. Main gear changes are manual via a gear lever, while the multiplier and reverser are controlled electro-hydraulically. The more robust construction of the transmission also increases the rear axle load capacity to 8.5 tons, and the total tractor weight will reach 11.5 tons.
The system also includes Smart Braking, which allows the tractor to start and stop by pressing the brake pedal. This system is especially effective for work with a front loader.
Hydraulic performance
The Series 6 features a high-performance hydraulic system with an axial-piston pump delivering a flow rate of 120 l/min. Thanks to this, the rear three-point hitch can handle a load of up to 7.2 tons, and the front hitch supports 3.5 tons. The tractor will come standard with four mechanically controlled rear hydraulic circuits and, if needed, two additional front circuits. A newly enhanced power take-off (PTO) offers selectable speeds of 540, 540E, 1000, and 1000E rpm, with an electrohydraulic clutch enabling adjustments based on the load.
Modern cab
The cab features a series of innovations. Its suspension is ensured by hydraulic dampers and coil springs. Operators experience maximum comfort, further enhanced by air conditioning, radio, tiltable rear side windows for ventilation, and other features. The central column is adjustable in two directions, and the cabin includes a new armrest with ergonomically arranged controls and a 24″ touchscreen monitor for tractor settings and function management. The pressurized cab minimizes dust and aerosol penetration, making the tractor suitable for work with sprayers. In addition to the modern, the tractor features a suspended front axle, providing driving comfort.
First field experience
The Series 6 underwent intensive testing last year (2024). Several prototypes operated more than 1,000 hours under varying conditions in the Czech Republic and Germany. “We’ve been testing it since summer, and I must say it’s a significant step forward,” says Tomáš Srnec, farmer in the Czech Republic. “It’s a modern machine capable of handling even the most demanding tasks, whether it’s discing, subsoiling, or transporting crops. And fuel consumption is low. During shallow cultivation for example, we achieved only 7.5 l/ha, which is very satifying.”
Serial production and worldwide sales of the new Series 6 are scheduled for 2025.
