Forestry trailer PRONAR T644/1

Forestry trailer PRONAR T644/1 is equipped with hydraulically steered drawbar which makes work between trees more easily. The distance between side posts allows to transport long logs or thin branches. Crane is controlled by using Bowden’s cords connected to the hydraulic distributor. Maximum reach is 6900mm and its maximum lifting capacity with that reach is 450 kg. Lever set mounted inside the tractor and their proper length allow to work with tractor of any brand.

  1. 1
    Thanks to the steered drawbar trailer’s maneuverability is much higher.
  2. 2
    Allows to transport thick logs as well as thin branches.
  3. 3
    Wide tires and high quality workmanship ensure efficient work in hard conditions.
  4. 4
    Customer may order optional equipment which increase functionality of this trailer.

Allowable total weight (construction): 13000 [kg]
Permissible total weight: 12200 [kg]
Load capacity: 8000 [kg]
Empty weight: 4200 [kg]
Load volume: 10.5* [m 3]
Side posts number: 10 [pcs.]
Loading case inside length: 3470 (4310*) [mm]
Loading case inside width: 1810 [mm]
Dimensions: length/width/height 6440*/2100/3300** [mm]
Height of Loading space: 1440 [mm]
Crane working diameter: 6900 [mm]
Crane load capacity in maximum working diameter: 450 [kg]
Rotation angle of the crane: 200(left)+200(right) [˚]
Wheel track: 1670 [mm]
Suspension: tandem type on trailing arm with bearing
Drawbar rotation angle – to the left / to the right 24º/24º
Hitch-ring load: 2000 [kg]
Tires: 400/60-15,5 145A8 Flot+
Construction speed: 30 [km/h]
Minimum tractor power requirement: 65/47.8 [hp/kW]
Maximum working pressure of the hydraulic system: 180 bar
Minimum external tractor hydraulic system requirements oil cooling system with min. 40l with pomp oil flow rate min. 40l/min
* with rear frame pulled out
** Height with folded crane

Standard equipment
Frame: rectangular frame with platform over axels
Drawbar support: straight, mechanic
Front barrier separating loading space
Hydraulically driven rear frame with side posts
Hydraulically controlled drawbar with fixed with towing eye 40 mm, DIN11026
Straight on driving drawbar blockade
Crane on telescopic supports with rotary grapple
Hydraulic controller operated by strings from the tractor
Braking system: double line pneumatic
Wheel chocks + racks (2pcs)
Chemically hardened painting materials , UV-resistant.
Paintwork: Chassis green RAL 6010 PRONAR
Paintwork: Crane red RAL 3000 PRONAR
Paintwork: Front barrier and side posts black RAL 9005

Additional equipment (optional):

  • Drawbar towing hitch: rotary with towing eye Ø50
  • Drawbar towing hitch:ball -type K80
  • Self hydraulic system
  • PTO shaft 6×6
  • PTO shaft 21×6
  • Two additional side posts on the frame
  • Wheels 400/60-15,5 156A8 Flot
  • Slow-moving vehicle triangle
  • Download PDF FileOperating instructions