Excavator

earthmoving

Tracked

A tracked machine with a boom, arm, and bucket used for digging below grade, trenching, and material handling. Excavators can rotate 360 degrees on their undercarriage.

Primary Purpose

Digging, trenching, lifting, demolition, material handling

Common Attachments

Bucket, Hammer, Thumb, Auger, Grapple

Advantages

Powerful digging force
Precise bucket control
Full rotation capability
Versatile with attachments

Limitations

Slower travel speed
Cannot drive long distances on roads
Large footprint on small sites

Beginner Tip

The excavator is one of the most common machines you will see on job sites. Learning its parts (boom, arm, bucket) is a great starting point.

Best For

Digging below grade, trench work, tight digging control

Not Ideal For

Long-distance material hauling or fine grading of flat surfaces

Common Confusion

Often confused with backhoe, but excavators rotate fully (360°) and usually run on tracks. Backhoes are typically wheeled and have a front loader bucket.

Safety Reminder

Always check swing radius clearance. Be aware of underground utilities before digging. Never work under a raised boom without proper lockout.

Common Job Site Uses

Digging foundationsTrenchingDemolitionLoading trucksGrading slopes

Key Features

360-degree swing

Hydraulic boom and arm

Tracked undercarriage

Multiple bucket sizes

Cab with controls

Pre-Start Inspection Checklist

Critical checks before operating this equipment

Walk around the machine and check for visible damage, leaks, or loose components

Check engine oil, hydraulic fluid, coolant, and fuel levels

Inspect track tension and track shoes for wear or damage

Check all bucket teeth and cutting edges for wear

Test all lights, horn, and backup alarm

Verify swing lock pin is removed before operation

Inspect boom, arm, and cylinder pins for secure fitting

Test all hydraulic controls from the cab before moving

Check seat belt and operator restraint system

Look for underground utility markings in the work area

Start Inspection →