3 minute read
Roadbuilding
MILLING MACHINES
DESIGNED FOR TOUGH JOBS, LOWER EMISSIONS, AND FUEL SAVINGS
Milling machines are a big part of today’s road repair and replacement work. These machines are becoming more technologically advanced, and manufacturers are keeping the need for sustainability in mind as they introduce new cold planers onto the market. Improved weight balance, more efficient engines, tuning to cut fuel use, compact designs for smoother curves, and other approaches are all helping roadbuilding contractors save money and time.
CAT PLANERS LIKE THE PM620 HAVE BEEN OPTIMIZED TO REDUCE ENGINE EMISSIONS.
COMPACT MILLING MACHINES FROM WIRTGEN BURN LESS FUEL, EVEN WHEN DOING WORK THAT REQUIRES HIGH POWER.
CATERPILLAR REDUCES EMISSIONS
Five models of half-lane cold planers from Caterpillar have been updated to provide performance for productive milling. The PM620 and PM622 are powered by Cat’s C18 engine, generating 630 hp, while the PM820, PM822, and PM825 are heavier and powered by a twin-turbo version that produces 800 hp. Both engines use a high-capacity cooling system that ensures they work at the right temperature for optimal fuel efficiency, reducing emissions in the process.
Cat’s System K rotors are durable and available in a range of spacings. Kicker paddles are reversible for extended life, and a tapered dual retention toolholder design cuts down replacement time by up to 50 percent.
WIRTGEN ADDS ENVIRONMENTALLY FRIENDLY ENGINES
Reduced fuel burn is one characteristic of Wirtgen’s F-Series compact milling machines. A new diesel engine from John Deere provides the heart of the compact units, generating 355 hp and providing precisely tuned torque to meet the needs of milling work. These machines use significantly less fuel, Wirtgen says, even at high productivity while milling at the 330 mm maximum depth.
The F-Series is available in three widths: 1.0, 1.2, and 1.3 metres (39, 47, and 51 inches). Wirtgen has brought features from its larger mills to these compact machines, including Mill Assist, which helps reduce fuel and water use as well as pick wear. The system automatically controls engine speed and offers a wide range of usable milling drum speeds. Lower speeds reduce fuel consumption and pick wear, while higher speeds allow for an optimal wear pattern. Operators can choose from one of three operating strategies: ECO, performanceoptimized, or milling pattern quality.
A LIGHTER WEIGHT HELPS THE BOMAG BM 2200-65 OPERATE MORE EFFICIENTLY AND WITH MORE MANEUVERABILITY.
BOMAG LIGHTENS UP ITS LARGE PLANER
A lighter and more compact design makes BOMAG’s BM 2200/65 large planer more maneuverable compared to previous models. A 58-inch milling radius improves efficiency when handling tight-radius applications. Powered by a 630-hp engine, the BM 2200/65 can run at three different speeds.
BOMAG’s Easy Cut technology regulates the height of the rear drive to ensure it follows the front to its set depth. Easy Level displays grade and slope settings on the 7-inch display which allows for quick and easy changes.
ASTEC INDUSTRIES’ ROADTEC PLANERS OFFER PRECISE WEIGHT BALANCE FOR ACCURACY AND OPERATING EFFICIENCY.
Astec Industries’ Roadtec RX-Series cold planers are designed to mill in half-lane or full-lane widths, with production and reliability produced through precise weight balance. All three models are available with three or four tracks.
Powered by a Cummins engine, the RX-600 runs at 675 hp, features a maximum cut depth of 13 inches, and a maximum cut width of 86 inches. The RX-700 is powered by a Cat C18 engine generating 800 hp. It can cut a maximum depth of 14 inches and a width of 126 inches. The RX-900 features a 1,050-hp Cat C27 engine. It also has a 14-inch cut depth and 150-inch cut width.
