Posted in | Mining Equipment

Caterpillar Introduces New 318D L Series 2 Hydraulic Excavator

The new 318D L Series 2 hydraulic excavator features an economical Tier 2/Stage II Compliant engine, a powerful hydraulic system, ground-level service access and world class comfort levels with a highly efficient hydraulic system and exceptionally robust major structures to provide a durable, easy-to-service machine that delivers high production with low fuel consumption. With a net power rating of 82 kW (110 hp) and operating weights to 17 300 kg (38,140 lb), the new model provides a choice of a boom and two sticks to best fit its application. A designed cab provides a high level of comfort, visibility and operating ease.

The 3054CA engine has a reliable mechanical governor and a low-pressure fuel-injection system that combines to provide trouble-free operation, ease of maintenance, and high fuel efficiency. The 318D L Series 2 consumes an estimated 3 percent less fuel than its predecessor. Fuel system reliability is further enhanced by dual filtration, including water separation in the primary filter. The engine's economy mode balances performance and fuel economy to provide fuel savings, while maintaining high breakout forces and lift capacities.

A new compact design for the hydraulic system results in more efficient use of power by incorporating shorter hoses and tubes to reduce friction and pressure drop. The Caterpillar-designed hydraulic system employs two pumps in all operating situations, resulting in enhanced productivity and faster implement speeds. An automatic boom-/swing-priority system selects the most efficient mode of operation, based on joystick movement, and eliminates the need for operator-selected work/power modes.

Caterpillar uses advanced engineering techniques to develop exceptionally durable structural components for the 318D L Series 2. More than 70 percent of structural welds are robotic and achieve deeper penetration than manual welds for increased strength and durability. Robustly constructed track roller frames and a grease-lubricated track ensure long undercarriage life.

To enhance overall productivity in specific applications, a reach boom is available for the 318D L Series 2.. Also available are two reach sticks that use added reinforcement for reliable performance. For added versatility, the 318D L Series 2 can use either of two couplers, the CW for severe application and the Center-Lock™ Pin Grabber. Available hydraulic kits for field installation facilitate adapting work tools to the machine.

The new machine's operator station is spacious, quiet and comfortable, equipped with air conditioning, suspension seat, low-effort joysticks and a large LCD monitor in 27 languages. The cab is attached with viscous rubber mounts to reduce vibration and noise, and large glass areas provide excellent, all-around visibility.

The 318D L Series 2 is equipped with S∙O∙SSM (Scheduled Oil Sampling) ports and hydraulic test ports, and a connection for the Cat Electronic Technician service tool is easily accessible behind the cab. Most routine service points are accessible from ground level, and a right-side service door allows servicing the machine's filters. Hydraulic filter changes are extended to 2,000 hours, and the air-cleaner's double-element design provides superior cleaning efficiency.

Source: http://www.cat.com/

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