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Keestrack B4 Jaw Crusher
Top of the line jaw crusher for concrete recycling, gravel, demolition, coal, and more
For primary crushing, landfill recycling, and concrete recycling, the Keestrack B4 Mobile Jaw Crusher includes a patented non-stop system ensuring continuous processing while protecting the machines when working through uncrushable materials. This powerhouse is suitable for a wide array of applications including most medium and hard stones, quarrying and mining, construction and demolition waste, and many more including coal, gravel, and slag.
The B4 is designed with an independent double-deck vibrating prescreen and automatic feeding system. This system ensures an optimal supply within the crushing chamber by detecting an overload and slowing down the feed for the best results and prevention of jamming. Load sensing hydraulics reduce fuel usage by 25% and if environmental responsibility is important for your business, the B4 is also available in a full-hybrid e-version.
The hybrid model includes a 242 kW diesel engine and a 225kVA on-board generator. During plug-in operation, the diesel engine doesn’t have to be started, and complete energy management is controlled automatically, including the electric supply of a secondary unit such as a screener or stacker. This results in greatly reduced fuel consumption and maintenance.
Get More InfoApplication: Aggregate, Construction and Demolition
Manufacturer: Keestrack
Configuration: Mobile (Tracked)
Model: B4 Jaw Crusher
See the Keestrack B4 Jaw Crusher in action!
Performance Highlights
- Independent double deck vibrating pre-screen (1,000 x 2,300 mm (3’ x 8’))
- Feed opening 1,100 x 700 mm (44” x 28”)
- Intake hopper suitable for a wheel loader and/or excavator 5 m³ (6.5 yard³)
- 44,000 kg
- C.S.S. (45 – 160 mm (1 3/4” – 6”))
- Up to 400tph
- Hydraulic sliding frame for service access
- Intake hopper suitable for wheel loader and excavator, 5 m³
- Hydraulic gap adjustment to safely prevent clogging
- Smart sequential auto start/stop from remote
- Ability to track while producing
- 2 speed track drive
- Hydraulic overload protection system with toggle plate protection
- High stroke of the jaw
- HB 450 steel hopper and wear plates
- Long pre-screen
- Higher crushing capacities
- User friendly RELYTEC control panel
- Steel hydraulic piping
- Hydraulic adjustable overband magnet
- Removable engine / generator compartment on full hybrid e version
Benefits
Steel hydraulic lines
Steel Hydraulic lines are used throughout the crusher. Offering many benefits including increased strength, improved safety, easier repairability and better heat distribution, these steel hydraulic lines improve the lifespan of the oils used in the crusher.
Fuel efficient
The B4 jaw crusher features load-sensing hydraulics which offers upwards to 20 – 30% in fuel savings compared to traditional diesel-driven crushers. 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. The Keestrack B4/B4e jaw crusher is optionally available with the conventional diesel-hydraulic drive or as a full-hybrid e-version with a removable engine /generator compartment.
Automatic wear recovery
The automatic jaw wear recovery system checks the set CSS of the crusher every 50 hours and readjusts it to the correct CSS. This process can also be done manually ensuring consistent quality and sized crushed end product.
Non-stop system (NSS)
The NSS (Non-stop overload safety system) is a hydraulic and electronic safety protection system that guarantees continuous production and protects the machine from uncrushable feeds. If a large unbreakable piece enters the crushing chamber, the jaw opens automatically and resets itself to the original setting.
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.