D6T, D7E and D8T dozers are not only powered by Cat ACERT engines designed to meet Tier 4-I emissions standards, but also have new features.
D6T, D7E and D8T dozers are not only powered by Cat ACERT engines designed to meet Tier 4-I emissions standards, but also have new features. Net horsepower ratings range from 205 to 310; and engines use Cat NOx-Reduction System, Cat Clean Emissions Module and Cat Regeneration System. All three models are grade-control ready with integrated harnesses from the factory. Cab interiors feature streamlined dash displays and instrumentation. The D6T and D7E offer Eco Reverse Mode, which reduces fuel consumption when the tractor reverses; the D8T’s Enhanced Auto-Shift is said to reduce fuel consumption by up to 6 percent in certain applications.
Komatsu’s 264-horsepower D85-18 crawler dozer, aimed at large construction operations and small mining customers, features a Komatsu SAA6D125E-7 variable geometry, turbocharged and aftercooled Tier 4-Final-certified engine that the company says burns up to 5 percent less fuel.
The D155AXi-8 is another of the company’s intelligent machine control dozers that allows automated operation.
The 173-horsepower Cat MH3027 material handler is the fourth and smallest in the series of wheeled material handlers that Caterpillar is introducing in the greater-than-25-metric-ton size class.
The Cat 336F L XE Hybrid hydraulic excavator captures and reuses energy, delivering an estimated fuel savings of up to 20 percent compared with its standard 336 counterpart.