Metso’s Lokotrack LT120 portable jaw crusher plant
Metso says its new Lokotrack LT120 portable jaw crusher plant combines crushing performance and user-friendly design and is available in hydraulic- and electric-driven versions. The hydraulically operated version is powered by the new Caterpillar C13 engine; the electric-driven E-version can take energy from either an external power supply or from a 420-kV onboard diesel generator. The electrical system is said to be designed in such a way that it provides the same benefits in operation and maintenance as the hydraulic version.
The company says the plant is designed to be safe to operate, move, and service. The plant features a standard 8-cubic-yard or extended 12-cubic-yard feed hopper with sides that can be folded and locked hydraulically. All conveyors have emergency stop wires. Transport dimensions are: 52 feet, 6 inches in length; 9 feet, 10 inches in width; 12 feet, 10 inches in height; and a weight of 57 tons. The extended version weighs 63 tons.
The LT120 plant is built around Metso’s C120 jaw crusher, which features a long, aggressively directed stroke and a 75-inch fixed jaw die. A large 34-inch by 47-inch feed opening and aggressive cavity cross section are said to provide high performance and reduced ratio. The 200-horsepower jaw has an operating speed of 230 revolutions per minute, an operational weight of 57,300 pounds, a closed-side setting that ranges between 2 3/4 and 8 inches, and capacity ranges between 240 and 595 short tons per hour. The jaw is said to be easy to install because of its compact design, and can be mounted in multiple ways onto an existing or new structure. Economy and low fuel consumption are secured by using flywheels of high inertia and optimal revolutions per minute. The jaw features optional composite flywheel guards for quick, safe access to all service points.
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