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Keestrack K4 Scalping Screener

Highly productive direct feed screener with 2 and 3-way split capabilities for sand and rock, soil and mulch, wood recycling and biomass applications

Unrivaled in performance, the Keestrack K4 mobile scalping screener highlights include a 3-way split screener which can be easily converted to a 2-way to reduce logistics costs. This machine is fitted with several options and easily-adjustable features, and with a low emission engine, it has one of the lowest fuel consumptions in the industry. Engineered for a variety of applications, the K4 can handle almost any job from pre-screening to precision screening of fine material.

The K4 has unbelievable reliability that has proven itself in the industry. It easily beats out other screeners due to its load-sensing hydraulic system, best in class fuel economy, and durability even with hard wear and tear over the years.

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See the Keestrack K4 Scalping Screener in action!


Performance Highlights


  • Standard heavy-duty plate apron feeder and hydraulic folding hopper walls
  • 1,500 x 4,200 (5′ x 14′) double-deck screen box
  • Up to 350tph
  • 7m3 hopper
  • 6.3 m² screening surface upper deck and 5.4 m² lower deck
  • Available in a full hybrid version
  • Several hopper extensions available
  • Large range of screen meshes, fingers, punched plate, and grizzly decks available
  • Hydraulic liftable screenbox
  • Hydraulic adjustable screen angle
  • 2-speed track drive
  • Extensive option list to configure to your application
  • Up to 3-way split position
  • Load sensing hydraulic system
  • Superior level surface treatment
  • Steel hydraulic piping
  • Available in a fully hybrid version
  • User-friendly RELYTEC control panel




Hydraulic adjustments

The screenbox on the K4 can be lifted for easy access to screen media changes and mainteance. The screen angle can also be adjusted via the hydraulic controls to allow operators to fine tune and control their production.

Fuel efficient

The K4 screener features load sensing hydraulics which offers upwards to 20 – 30% in fuel savings compared to traditional diesel-driven screeners. The system automatically detects where hydraulic power is needed in the machine and adjusts accordingly. Fuel savings are achieved by reducing load when it is not required.

Contractors choice

This lightweight screening plant can sure pack a punch. Weighing in at 26,500 kg the K4 scalper is a high performer processing up to 350 tph. This coupled with this compact design, high transportability and ability to work in small spaces makes the K4 the top choice for contractors on the move.

Heavy duty design

The K4 scalping screener comes standard with a heavy-duty plate apron feeder, hydraulic folding hopper walls and HB 500 bottom and side liners for increased strength and durability.


Why Keestrack



State-of-the-art Technologies

Keestrack focuses on state-of-the-art drive technologies and sophisticated processing concepts. From the use of modern communication technology and telematics for remote plant control and maintenance management to the use of high-strength steel in the machine frames and superstructures, Keestrack never compromises on quality with uncompromising standards. Anything less than exceptional doesn’t make the grade.


Performance in every detail

Keestrack is dedicated to delivering the best-in-class for all their customers, so they design every Keestrack crusher, screener, and stacker from the ground up to be highly efficient and cost-effective. These many individual innovations together set Keestrack apart. Their promise of performance in every detail means they go the extra mile to set the standard within their sector.


Private family owned

In 1996 Kees Hoogendoorn and his wife Annet Schoenmaker started Keestrack with an ambitious vision: to build the world’s first direct feed scalper. Today, they proudly lead the way in mobile screening and crushing technologies. Their belief in the importance of family gives them the confidence to push further and try harder. They are 100% privately owned and managed by the Hoogendoorn family, with the idea of family at the heart of everything. The result gives an unshakable belief in Keestrack and their ability to succeed.