CATERPILLAR M315D CRAWLER EXCAVATOR

Technical Description

The Caterpillar M315D is a versatile wheel excavator engineered for demolition, construction, and material handling applications. Powered by a Cat C4.4 ACERT engine, this machine delivers 145 gross horsepower (108 kW) at 2,000 rpm, providing 13% more power than its predecessor. The excavator features a four-cylinder displacement of 269 cubic inches with maximum torque of 406 lb-ft at 1,400 rpm, offering exceptional performance across diverse job sites. With an operating weight ranging from 35,494 to 40,345 pounds, the M315D maintains excellent maneuverability while delivering impressive digging capabilities. The machine achieves maximum reach of 30 feet along ground level and maximum digging depths up to 20 feet, depending on boom and stick configuration. Its dual hydraulic system operates at maximum pressures of 5,076 psi for implement and travel circuits, with specialized heavy-lift mode boosting lifting capability by 7 percent. The M315D features a dedicated swing pump providing smooth combined movements without sacrificing other hydraulic functions, and boasts adjustable hydraulic sensitivity for precision work. Advanced disc brake systems act directly on hubs, eliminating rocking effects and ensuring superior braking performance. The machine travels at speeds up to 34 km/h (21 mph) with a robust powershift transmission offering multiple speed ranges. Equipped with interchangeable booms and sticks providing optimal reach and digging force balance, the M315D accommodates bucket capacities ranging from 0.5 to 1.5 cubic yards. Modern features include integrated Tool Control systems allowing pre-programmed hydraulic parameters for up to ten different attachments, ride control technology improving operator comfort, and comprehensive diagnostic capabilities for simplified maintenance.