Mobile Impact Crusher offers production of up to 441 tons/hr.

Press Release Summary:

Model BR480RG-1 is powered by 306 hp SAA6D125E-2 engine and equipped with KR1313 impact crusher. Rotor with variable speed drive enables processing volume and gradation to be adjusted quickly. Semi-auto feeder system adjusts feed if crusher becomes overloaded. Grizzly feeder with muck extraction uses upward slope feeder and 2-stage grizzly bar to remove muck and make it difficult for finer material to enter impactor. Rotating beacon flashes during malfunction.

Original Press Release:

Komatsu's New BR480RG-1 Mobile Impact Crusher Offers Increased Productivity and High Performance

VERNON HILLS, Ill. -January 14, 2003 -Komatsu America Corp. (KAC) introduces its new 84,440 lb. BR480RG-1 Mobile Impact Crusher. Designed to provide mobile productivity for recycling, demolition and secondary rock crushing applications, the BR480RG-1 is the largest impact crusher in Komatsu's mobile crusher product family. The crusher is powered by Komatsu's 306-hp SAA6D125E-2 engine providing plenty of horsepower for all functions.

Equipped with KR1313 impact crusher, the BR480RG-1 offers high performance in a simple, easy-to-maintain design. With Komatsu's patented HydrauMind hydraulic technology, it offers contractors excellent crushing power and a production capacity of up to 441 U.S. ton/h. It is capable of crushing concrete debris, fine crushing natural stone and producing large volumes of high quality product in a single pass. The Rotor of the BR480RG-1 is also equipped with variable speed drive, enabling the processing volume and gradation to be adjusted quickly.

Improved Productivity
The BR480RG-1 offers numerous equipment features to increase
productivity in crushing applications:
o Automatic gap adjustment mechanism allows the gap to be changed by simply inputting the outlet gap size.
o The hopper is accessible from three sides for easy loading and transport.
o Semi-auto feeder system is used so if the crusher becomes overloaded the feeder will automatically adjust the feed.
o Grizzly feeder with muck extraction uses an upward slope feeder and two-stage grizzly bar to remove muck and make it difficult for finer material to enter the impactor, thus increasing wear life on internal wear parts.
o Large capacity and long belt conveyor for quick discharge of large volumes.
o Hydraulic steering and high travel speed make the crusher easy to relocate.

Easy to Maintain, Safe Machine
The BR480RG-1 uses a proven monitoring system along with other
construction equipment related technologies for excellent performance and reliability. In addition, a pre-cleaner and double element air cleaner are highly effective in preventing dust from entering the engine. Further, a water spray system with water tank, water pump and two spray bars prevents dust from
becoming an environmental issue.

The BR480RG-1 design has many safety features including:
o Emergency shut off buttons located on both the right and left sides of the chassis, the control panel, and the optional radio remote control.
o A rotating beacon that flashes when there is a malfunction. A buzzer alerts the operator in the event of an abnormal shut-down of the conveyor belt or optional equipment.
o A switch is provided to change between crushing, travel and maintenance modes.

The combination of easy maintenance and safe design ultimately lead to the BR480RG-1's ease of operation. The user friendly and comfortable design is easy on people and the environment.

Komatsu America Corp. (KAC) is the second-largest manufacturer and supplier of construction, mining and utility equipment and parts and services in North America. Visit Komatsu America's website at http: //

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