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Global release of New Fendt Track Tractors

  • By: Farm Tender "Prime"
  • Sep 11, 2017

The new Fendt 900 Vario MT tracked tractors are available in three output levels: Fendt 938 Vario MT with 380 HP, Fendt 940 Vario MT with 405 HP and Fendt 943 Vario MT with 431 HP (ECE R120).

The tracked tractors in the Fendt 900 Vario MT series (Mobile Trac) are especially efficient in covering large areas, and feature a whole new level of ride comfort, based on a completely new innovative suspension concept.

A unique tracked suspension concept

Vastly improved handling on the road and in the fields was a key objective of the development work on the Fendt 900 Vario MT. The new suspension concept consists of four elements; an air-sprung operator's seat, 2-point cab suspension, the new SmartRide primary suspension, and the reworked drive with ConstantGrip suspension.

ConstantGrip: The three middle track rollers are fitted in the track frame via the pendulum suspension (bogie in bogie). This allows the track rollers to be adjusted to follow the ground contours in the fields and on the roads. Other benefits include an even weight distribution over the entire treadbar surface and maximisation of the contact area in the fields.

SmartRide: The main beam for the drives is connected to the chassis by the newly developed suspension. The suspension consists of:

• Sturdy helical springs with integrated pressure surge dampers
• Additional hydraulic shock absorbers for damping if bouncing occurs
• Hydraulic shock absorbers and spring pads guarantee optimal suspension behaviour when bouncing occurs, and limit the spring travel
• The torque rod stabiliser bar provides the chassis with lateral stability.

This results in a significant longer spring travel of 260 mm in total (measured on the front guide wheel). The suspension allows a swing angle of 11° on each drive, and is therefore comparable with the front axle suspension of a wheeled tractor.

Cab suspension: The Fendt 900 Vario MT is the first conventional tracked tractor with a 2-point cab suspension, consisting of two dampers with rubber buffer on the front and helical springs with integrated shock absorber on the back.The total spring travel on the cab rear is 98 mm and provides very soft suspension for effective damping of vibrations, which are transferred directly from the ground via the rigid rear axle.

The combination of chassis and cab suspension reduces the shock loads considerably. In practice, the operator notices this in the significantly enhanced stability at higher speeds on the road, and without getting tired when working the fields.

High efficiency on difficult terrain

The new Fendt 900 Vario MT tracked tractor is especially suited to difficult traction work, and operates at maximum efficiency when used mainly in the fields. Due to the low drag over a wide range of ground conditions, maximum efficiency is achieved when unfavourable weather conditions and the resulting short working window demand it. Its large ground contact area and the new, larger crawler track makes the Fendt 900 Vario MT ideal for steep gradients, or when it comes to completing a pass as quickly as possible whilst protecting the ground.

Difficult and rough ground conditions with humps, grooves or ruts can also be easily and comfortably brushed aside by the constant high traction. The 900 Vario MT allows a small turning circle on the headland, and is ideally suited to wide implements or equipment with a large operating depth. With these characteristic features, the Fendt 900 Vario MT tracked tractor is a valuable addition to the Fendt tractor range.

High performance and low fuel consumption with the Fendt iD low engine speed concept

The Fendt 900 Vario MT tracked tractor always operates in the ideal speed range with maximum torque and minimum fuel requirement. This is made possible thanks to the integrated Fendt iD low engine speed concept, which is already used on the Fendt 1000 Vario series. The low speeds continue throughout the drive train, increase its efficiency, and also reduce noise emissions. “High torque, low engine speed” is the concept according to which all vehicle components such as the engine, VarioDrive drive train, radiator and hydraulics are synchronised. This is how the maximum torque of the new, high-capacity AGCO Power engine (9.8 l) is achieved at 1200 rpm (1200 to 1600 rpm).

http://www.fendt.com.au/default.html