HEAVY EQUIPMENT PARTS, EXPLAINED
Understand the part.
Make the right call.
Independent guides for equipment owners, operators and parts buyers. Identify components, understand wear and gather the details that matter before ordering.
START WITH YOUR TASK
From identification to replacement

Component Guides
Excavator Parts Diagram: Names, Locations and How Systems Connect
Identify excavator parts with labelled diagrams. Explore the boom, bucket, undercarriage, hydraulics and swing system, then find the right catalog entry.

Undercarriage
How to Measure Rubber Tracks and Read the Size Code
Measure rubber track width, pitch and link count. Decode size markings, compare guide profiles and use a free measurement record to identify a replacement.

Undercarriage
Track Rollers vs Carrier Rollers: Position, Loads and Fitment
Compare bottom track rollers and top carrier rollers by position, load, flange profile and mounting. Learn what wear patterns mean and how to match a replacement.
Clear explanations. Traceable sources.
Our guides connect component functions with practical inspection and ordering decisions. Technical claims link to supporting sources; generated illustrations are labelled. We do not claim hands-on testing when an article is based on research.