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Line Spreading Booms


General points

The Penditwist Basic is a spreading boom designed to meet small tanker owners’ specific needs and therefore provide them with a quality spreading solution at attractive price. Specialised in the fertilisation of arable lands, it is designed to be directly fitted on the rear manhole (diameter: 600 mm) of the tanker. It can therefore be fitted on both new and existing machines, without any pre-equipment. The boom is also standard delivered with an automaton that can directly be connected to the tractor, including all the necessary electrohydraulic controls to work properly.


SCALPER® Vertical Macerator

This JOSKIN macerator allows to distribute the slurry homogeneously, whatever its type. Thanks to its system of self-sharpening circular blades mounted on HARDOX counter blades, this macerator allows to improve the flow of highly fibrous slurries, to cut systematically all foreign bodies and to distribute the slurry uniformly in the line hoses. A stone trap is integrated in the device in order to remove unwanted elements from the liquid flow.

PENDITWIST BASIC Autonomous Electrohydraulic Equipment

Autonomous Electrohydraulic Equipment

An automaton with control box is part of the standard equipment of the boom and it can be directly connected to the tractor. Only a single-acting connection, a free return plug, a Load Sensing signal (optional) and an electric plug are necessary for the boom to work properly. No pre-equipment is required on the tanker.


TWIST Anti-Drip System

This anti-drip system lifts the boom and therefore prevents any slurry drops on the road or losses in the field when manoeuvring.

PENDITWIST BASIC LOCK MATIC Secure Hydraulic Folding System

LOCK MATIC Secure Hydraulic Folding System

During transport, the boom is automatically locked by means of a clamping system on a stop device that is integrated on the main frame. This autonomous rear folding system allows to keep a maximum compactness once the boom is folded but also to avoid extra brackets on the tanker.

PENDITWIST BASIC 6’’ Manual Flow Regulating Valve

6’’ Manual Flow Regulating Valve

This valve ensures a precise adjustment of the spreading flow.



Lights are part of the standard equipment in order to meet the road standards of all countries.

Strong points of the range

Hydraulic folding.

All booms are fitted with a hydraulic folding system that has an insignificant overhang and that does not affect at all the driving of the carriage. During transport, the whole is fastened by a boom clipping system These has a height adjustment device and a craddle with a damping rubber.
  • The hydraulic folding system has the following specifications:
  • hydraulic safety device;
  • locking of the boom wings in transport position thanks to interlocking supports;
  • diagonally positioned rams (not vertically) to better hold the boom in position (reduction of the swinging movement).
For a higher safety, the folded boom is such that the position of the macerators is pointed inwards so as not to exceed the boom size. From 18 m wide, a double folding system is required.


The macerator is of utmost importance in order to make sure the spreading implement works properly. 9 m booms have one single macerator, while those from 12 m have two of them in order to get a greater reactivity at the beginning of the spreading phase and to reduce load losses (slurry is more uniformly spread).

Twist and anti-drip systems

JOSKIN booms (except the TWINJET) are all standard fitted with the (double acting) anti-drip lifting device with Twist system.
It allows a transport in a very clean way thanks to the complete rotation of the line spreading hoses, which prevents any loss of slurry on the road as well as in the fields when manoeuvring.
JOSKIN line spreading booms are standard fitted with the Twist system allowing a 150° rotation of the boom.
  • Besides this anti-drip function, the Twist system has other advantages:
  • it offers a limited overhang;
  • it allows, as an option, to spread with an exact scatterer without having to take off the boom. The macerator and two manual or hydraulic valves just have to be added.


JOSKIN booms are all standard fitted with the anti-crash device that offer an extra safety when working on hilly ground. Every boom wing is fitted with springs and articulations that, when spreading on a bumpy ground, retract the ends of the boom (max. 55 cm) if it hits the ground. Mounting the wings at the end of the oblong holes allows them to pivot and makes it possible to adjust their height.
Line Spreading Booms