Sigma 4 S.p.A.

- Model PC 4000 - Bulldozer Blade



High performances, innovative technology and great versatility. These are the main features of the PC 4000, a front end loader for crawler tractors easily changeable into a dozer blade.  The sturdy frame is built around the tractor to assure ideal repartition of loads, for a high working capacity and a minimum stress on the tractor. The unit is supplied in a full package including a dozer blade as well as a bucket and the hydraulic system to suit tractor hydraulic output. For enhanced versatility in the works at the farm, a full set of implements is available upon request. The efficiency and the rapidity of the frame coupling/decoupling operations  are assured by the smart Velotak quick-fit system.

Quick-Fit System: Smart Solutions For Enhanced Flexibility

 Velotak is a quick-fit system developed by Sigma 4 to speed up all operations of coupling/decoupling of the frame onto the tractor. By moving the tractor, the pins (P), placed on the fixed frame, slide into the proper slots (S) placed on the movable frame. The system is then locked by sliding lever (L) acting on the position of pin (G). The pin (G) will have a locking function when in lowered (position 1) and unlocking when raised (position 2).
The frame will decouple simply by shifting the lever (L) in position 2 and moving the tractor in reverse speed; for the coupling operation, the lever (L) can stay in position 1 as the device will lock-in as the tractor moves forward, without any additional operation.


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