Used Caterpillar Excavators For Sale

Used Caterpillar excavators cover a wide range of digging, trenching, demolition, pipe work, site prep, and material handling applications. In the midsize class, machines like the Cat 312 and 315 are common choices because they balance transportability, breakout force, and hydraulic performance. Buyers usually focus first on operating weight, tail swing profile, stick and boom length, auxiliary hydraulics, and bucket setup, since those factors determine how well the machine fits utility work, foundation excavation, road jobs, and general construction duty.

On used Cat excavators, undercarriage condition is one of the biggest value drivers. Track pad width, roller count, sprocket wear, chain life, and overall undercarriage percentage can change ownership cost quickly. Pin and bushing wear matters too, especially on higher-hour machines that may show looseness in the boom, stick, bucket linkage, or thumb. Hydraulic cylinder seepage is another common inspection point. Boom, stick, and bucket cylinders should be checked for leaks, rod damage, and drift under load. A machine that runs well but needs undercarriage work or cylinder resealing can still make sense, but the repair cost needs to be built into the purchase decision.

Caterpillar excavators are well known for strong parts support, familiar controls, and dependable hydraulic systems, which is one reason older Cat machines remain active in contractor and fleet service. Common specs in this category include hydrostatic travel drives, enclosed cabs, joystick controls, diesel engines in roughly the 80 to 100 horsepower range for many older and midsize units, and operating weights around 28,000 to 36,000 pounds. Many used machines also carry hydraulic thumbs, multiple buckets, or extra auxiliary valves for running attachments. For buyers moving machines between jobs, transport dimensions and legal hauling weight are just as important as digging depth or bucket size.

Cab condition and service history can tell you a lot about how a used excavator was treated. Pay attention to starting behavior, cold idle quality, final drives, slew bearing play, travel tracking, swing smoothness, and how the hydraulics respond at full operating temperature. A well-kept used Caterpillar excavator can still deliver strong production, but the best buy is usually the one with a sound engine, tight hydraulics, honest hour meter, and a wear pattern that matches its age and application. Matching the machine size to the work is just as important as make and model, especially if the excavator will be hauled often or used in tighter urban jobsites.