The rear section of the Felix in the 4WD version is designed for working with long timber. In the early days of mechanical timber recovery, all that was available was the cable winch. It was several years later that cranes and clam bunks were introduced, whereby the underlying machine system remained the same.
Consequently all additional implements were fitted to the tail end of the machine. In order to deal with the resulting weight distribution problems, the front end of the machine was ballasted. This resulted in a disproportionately heavy machine – something that is problematic in relation to conserving the soil structure.
Pfanzelt has consistently developed its design and adapted it to today’s requirements.
Another highlight is the steering system of the Felix 4WD.
We all know that Felix is the combined machine on the forestry machinery market. However, the way how Stefan Achathaler from Adlwang in Austria uses his Felix specialist forestry tractor opens up completely new options for an effective and efficient completion of small and large forestry activities.
The four-wheeled version of the Felix is supplemented by a quick-change system for different equipment installed on the crane tip and the Nisula 500H harvester unit.
Achathaler manages company-owned and third-party woodland. For this reason, the company’s staff greatly values Felix’s on-road capabilities enabling speeds up to 40 km/h. “Consequently, we can work on two sites on a single day since we simultaneously participate in both smaller and larger projects," Stefan Achathaler explains. “It was particularly important to us that all application areas, from strong timber felling to thinning, are covered by a single machine.” In this context, Felix’s concept was the most convincing.
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The new generation of the Felix special forestry tractors has a completely new, modern and efficient powertrain.
The new hydra2POWER combines the following features:
The hydra2POWER continuous traction drive - developed by Pfanzelt in-house - of the new Felix forestry tractor series consists of two powerful and large hydraulic pumps and motors. Each axle is thus assigned its own drive unit. No mechanical components that often require additional maintenance are required in this system. The heavy duty design of hydraulic components enables low engine revs even when driving on-road. The road cruising speed of 40 km/h is thus achieved at an engine speed of 1,600 rpm.
The permanent all-wheel drive and hydraulic longitudinal differential assure you of optimum traction and great flexibility. The driver is thus able to rely on full traction in all situations. When driving with chains or belts on only one axle, the front section of the vehicle does not lock with respect to the rear section. The result is less wear of tyres and vehicle combined with lower fuel consumption.
High efficiency and consequently low operating costs are made possible by the two 45° swivel angle hydraulic motors.
The electronic control of the traction drive allows the programming of application-specific driving characteristics. Depending on whether the vehicle is driving off or on road, acceleration, coasting during deceleration and active parking control are adjusted. The driver can thus manoeuvre precisely on steep slopes solely with the gas pedal.
Our new customers are always surprised when they see the Felix special forestry hauler for the first time. The reason is the unorthodox division of the vehicle. Thus the cab is located right at the front.
If you consider this distribution of units, you have to admit that while it may be unorthodox it is certainly logical. One the one hand, the short hood gives the driver an optimum view, on the other, due to the ideal approach angle based on the distance between the front axles and front stacking shield, no tracks are left when entering the trail.
A rear section with generous installation space was designed so that cable winches, crane and clam bunk could be fitted. This configuration prevents the machine tipping during forwarding with heavy timber in the crane or clam bunk. At the same time, due to the optimum weight distribution, it is possible to work in the most challenging terrain while minimising damage to the forest floor and fuel consumption.
Pfanzelt quick-change system
The Pfanzelt quick-change system enables a tool-free and time-optimized conversion of the stanchion cage to the clam bunk on types F and V. During conversion of the machine, add-ons can be fitted to the flat bed.
Even on steep slopes, efficient and safe working is assured with the hydraulic height adjustment of the roller block. Guide tubes for winch cables ensure the required protection of the cable winch unit right up to the cable infeed roller. The risk of the cable being damaged by the gripper is therefore excluded.
The Pfanzelt Felix 208 4-WD special forestry hauler is a world beater when it comes to manoeuvrability. By a skilful combination of joint and stub axle steering, previously unimaginable manoeuvring options are made possible. The steering system is an important design feature of the Felix 4WD. When driving on public roads at 40 km/h, only the articulated steering is operated by the steering wheel. During operation, the steering system is switched to joystick operation. This means that the operator can apply both articulation and stub axle steering, independently of each other. The result is unsurpassed manoeuvrability and a steering angle of 70°.
Precarious situations occur almost daily, for example when the vehicle has slipped into a ditch. If the vehicle has problems manoeuvring<br/> with pure articulation steering, the Felix can effortlessly drive out of the ditch in parallel mode. The optimum weight distribution means that even wet ground is protected when travelling in crabbing mode.
When considering the work process of a forestry machine, it is essential start the analysis at the yard and not leave until you are out in the wood. How the machine reaches the work location and how it travels from one work site to the next are also big factors in the overall economy. Does the forestry machine have to be brought to the location by a truck on a low loader or does it have a transmission system that also enables travel on public roads?
The Felix offers the flexibility of a vehicle concept that does not require any external aids to reach the work site or to change between work sites.
The tractor cab developed by Pfanzelt with pneumatic suspension enable smooth and vibration-free operation.
The view over the working environment is further extended by 7 m2 of window area. The driver has an even better view of his working zone, this means less stress and increasing safety. The driver has a relaxed and ergonomic sitting and working position on the operator stand that can now can be turned through 350° by electric motor. The intelligent machine controller – which is operated via a monitor from the seat – also saves the individual preferred settings for different drivers.
The Pfanzelt XXL cab has been especially created with the demands of our customers in mind – low vibrations when working in standing timber yet with maximum comfort when driving on public roads.
All operating and monitoring functions are mounted on the seat and therefore always in the operator’s field of vision.
An additional control panel for on-road driving is provided next to the steering wheel. All key parameters are conveniently displayed in driver’s field of vision.
Unique in the forestry industry and essential for municipal use is the possibility to install a passenger seat in the driver’s cab as an option.
For forestry work, the steering column is simply and rapidly folded to one side.
The distribution of the vehicle components requires that the engine, transmission and the main hydraulic components are installed under the cab. In spite of this, all areas that have to be accessed in the Felix specialised forestry tractor for service work can be easily reached without tools via various special service openings. In addition to the ergonomic one-man system for hydraulically opening and closing the vehicle floor plates, the cab, for example, can be hydraulically tilted open. Additional service hatches at the entrances provide side access.
|Felix 208.5 4WD F||Felix 208.5 4WD K||Felix 208.5 4WD V|
Deutz TCD 6.1 Stage V
|Power (at 2,100 rpm as per ISO14396)||133 kW/ 180 hp or 174 kW/ 236 hp|
|Torque||818 Nm at 1,500 rpm/ 1,072 Nm at 1,500 rpm|
|No. of cylinders / cylinder capacity|
6 / 6,057 cm³
|Exhaust gas treatment|
SCR catalyst, for exhaust gas treatment, performance (ISO 14396)
Hydrostatic infinitely adjustable traction drive, 2 pumps with dual motor technology (each axle one unit), drive without Cardan shaft, hydraulic motors with wide angle technology up to 45 degrees, max. traction force approx. 142 kN at diesel engine speed of 1,600 rpm, hydrostatic direction reversal, reversing circuit (forward / reverse ), driving speed from 0-39 km/h, hydraulic spring accumulator, parking brake
Rear section frame made of fine grain steel, box structure, central spar
|Telescopic central spar|
4,440 mm length
Without head frame
3,240 mm/ 4,440 mm
2,070 mm width
3.2 m² loading cross-section
Front axle (rigid planetary axis) Kessler, load capacity 29 t
Permanent all-wheel drive with hydraulic longitudinal differential
Hydrostatic steering with separate oil circuit, adjustable steering column height and inclination, steering columns folds away during forestry operations, combined steering function consisting of articulated and stub axle steering in the rear section, separately operated under field conditions via joystick, for driving on public roads via steering wheel (articulated steering only), rear steering in this case locked
Pressure- & volume controlled axial piston pump with load-sensing function, performance: 270 L at 235 bar, control valves: Electrically proportionally controlled valves, managed by electronically programmable control unit, joystick (Colt type), hydraulic tank 160 L
Electrically proportionally controlled valves, managed by electronically programmable control unit, joystick (Colt type)
Control panel, touchbutton control integrated in operator console, functions for crane settings, cable winch, differential, steering
Spacious cab with air suspension and all-round view (over 7 m2 window area), two large roof windows front and rear, safety cab as per ISO standards (ROPS)
|Air suspended rotary seat with seat heater|
Electrically rotatable through 340°
Heating with 3-stage blower, automatic air-conditioning
(integrated in cab)
12 working floodlights integrated in cab roof
620/75–26" / 710/55–34"
620/75–26" / 710/55–34"
620/75–26" / 710/55–34"
|Additional standard equipment|
Detachable mudguards, 2 large stowage bins with integrated pneumatically operated step
|Dead weight / permitted max. weight|
According to equipment / 18.0 t (40 km/h)