| Undercarriage | Cat designed excavator is stable, durable and low maintenance. The is a long, variable gauge type for good machine stability and transportability. | 
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| SmartBoom | More productive. Faster cycle times for truck loading and rock scraping. Maintains optimum hammering frequency for effective, steady productivity. |
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| Application and System Match | The 385C and 385C L are designed for tough applications. They are optimally matched to load the Cat 771D and 773E trucks. | 
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| Electronic Control System | ADEMª A4 maximizes fuel efficiency and performance by maintaining the optimum balance between engine speed and hydraulic demand. | 
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| Engine | The Cat® C18 has state-of-the-art ACERT® technology to meet emission regulations with exceptional performance capabilities, fuel efficiency and proven reliability. | 
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| Environmentally Responsible Design | Quieter operation, lower engine emissions, less fluid disposal and cleaner service can help you meet or exceed worldwide regulations and protect the environment. | 
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| Hydraulics | Proportional Priority Pressure Compensated (PPPC) system with state-of-the-art electronic control ensures hydraulic system efficiency and excellent productivity. | 
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| Operator Station | An all-new cab provides improved visibility and comfort. The new monitor is a full-color graphical display with enhanced functionality to provide simple, comprehensive machine interface. | 
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| Structures | Caterpillar design and manufacturing techniques assure outstanding durability and service life from these important components and using thicker plates at the boom foot area to improve rigidity. | 
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| Booms, Sticks and Linkage | Caterpillar excavator booms and sticks are built for performance and long service life. Three types of booms and five sticks are available, offering a range of configurations suitable for a wide variety of applications. All booms and sticks are stress relieved. | 
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| Buckets, Quick Coupler, Work Tools | A variety of work tools, including buckets, couplers, hammers, crushers, pulverizers, multiprocessors, shears and grapples are available through Cat Work Tools. | 
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| Service and Maintenance | Fast, easy service has been designed in with extended service intervals, advanced filtration, convenient filter access and user-friendly electronic diagnostics for increased productivity and reduced maintenance costs. | 
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| Complete Customer Support | Your Cat dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you choose a plan that can cover everything from machine and attachment selection to replacement. | 
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