Brokk Inc. has upgraded its electric Brokk 400 remote-controlled demolition machine to include a larger undercarriage for heavy-tracking applications like tunneling and mining and for enhanced stability when operating with heavier attachments like metal shears and scabblers. Brokk also has improved the hydraulic system; it now provides more efficient fluid flow when the machine is operating a drill attachment so there is more consistent power. With its new upgrades the Brokk 400 also delivers enhanced performance on a variety of construction, demolition and specialty applications, according to the manufacturer.
The new 400 model machine features a bigger drive axis, rollers and sidetracks. It also has a larger undercarriage with new tracks that are 10 percent longer than its predecessor. This improves wear life for machines used in applications that require a lot of tracking and provides up to 60 percent greater stability when operating with heavier attachments. In addition, the machine’s outriggers provide a wide base that evenly distributes weight and provides even more stability. Its high chassis setup and heavy-duty rubber tracks make it easy to maneuver over rubble piles and obstacles.
The new Brokk 400 can handle attachments up to 1,420 lbs. (644 kg), and its hydraulic quick-hitch system eliminates the need for hard pinning, so operators can change attachments more quickly and easily and with less hassle.
When paired with Atlas Copco’s SB 552 hammer, the Brokk 400 has a hitting power of 773 ft.-lbs. at the tip of the tool, which makes it ideal for rock excavation in small tunnels, scaling or secondary breaking.
The new Brokk 400 weighs 11,240 lbs. (5,098 kg) and is 63 in. (160 cm) wide and nearly 81 in. (205 cm) tall. While it’s slightly larger than its predecessor it’s still compact enough for work in small spaces. It also is powered by a 30 kW electric motor for emissions-free operation in confined areas.
The machine features a three-part boom that can operate at angles of up to 30 degrees and reach 22 ft. (6.7 m) horizontally and 24 ft. (7.3 m) vertically. The remote-controlled boom allows operators standing a safe distance away to reach into areas that traditional machines or users with handheld equipment cannot. The boom also features a box-weld design that provides additional protection for cylinders and hoses.
In addition to the 400, Brokk offers seven models in a variety of sizes and with a range of capacities. The smallest, the Brokk 60, weighs just 1,100 lbs. (499 kg), and the largest, the Brokk 800, weighs 24,350 lbs. (11,045 kg). The company also engineers and builds custom machines with special equipment such as cameras, extended arms, side-angling devices and cable drums.
For more information, call 800/621-7856 or visit www.brokk.com.
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