The REX4 is equipped with the state-of-the-art generation of Deutz-AG TCD Stage V, 2.9-litre, 4-cylinder engines from 75 to 112 HP, Turbo intercooler and Common Rail electronic injection. With a maximum power of between 1,500 and 2,000 rpm, these engines are outstandingly efficient: they deliver higher power, cut fuel consumption and offer greater versatility in use. The fuel tank capacity is 65 or 85 l, depending on the version. The fuel consumption is reduced to a minimum thanks to the passive generation of exhaust gas and the presence of the Engine Memo Switch, a device which allows the operator to store and recall the engine speed most suited to the implement used.

The REX4 is equipped with a Speed Four transmission: 4 synchronised gears and 3 mechanical speed ranges, for a total of 12 FW + 12 RV. With the Creeper it reaches 16 FW + 16 RV. The Speed Four transmission is modular, so it can be customised with the following options:

• Power Four: 2 gears under High-Low load, 24 FW + 24 RV; with the Creeper: 32 FW + 32 RV.
• T-Tronic: 3 gears under High-Medium-Low load, 36 FW + 12 RV; with the Creeper: 48 FW + 16 RV

Wide platform, mounted on Hydro-Silent blocks, to reduce the stress rising from the ground; easy access to the driver’s position; excellent space between the steering wheel and the seat; user-friendly controls: on the REX4 model everything is designed to facilitate the operator’s movements, reduce fatigue and guarantee maximum comfort. The GE version can be fitted with the Low Profile cab.

The new REX4 hydraulic system is more flexible than ever before, to guarantee each and every farmer tailored solutions that meet their individual requirements. The standard hydraulic system features a double pump that sup plies 58 + 30 l/min to the rear hitch and the spool valves, and 30 l/min to the steering system. An optional 30 + 58 + 36 l/min triple pump is also available on request: the first two pumps are dedicated to the rear hitch and the rear and mid-mount spool valves and, by combining the flow rates, they reach a maximum capacity of 88 l/min, of which 54 l/min are already available at an engine speed of just 1,500 rpm; the third pump is independent and serves the steering circuit. The hydraulic circuit configuration allows the use of up to 7 spool valves, 4 of which are mechanical or electro-hydraulic rear valves and 3 electro-hydraulic mid-mount valves. The REX4 can also be equipped with either a flow selector, with a diverter with 4 or 6 outputs, to control multiple elements with a single control system, or a flow diverter valve, to regulate the oil flow in the spool valves. In addition, it can also be equipped with hydraulic stabilisers, top link and right rod: 2 simple but tons manage their movements, for attaching implements or for adjustments during row-crop work.