Author
Alexey Puzanov
Editor, Worksitemachines.com
Alexey Puzanov is the editor of Worksitemachines, a magazine about heavy equipment. He oversees the editorial process, the sourcing standard for specifications, and corrections.
Articles
Published by Alexey Puzanov
Specifications explained
Operating weight vs. shipping weight: why the same machine has two numbers
Two weights appear on most machine spec sheets, and they are not interchangeable. Here is what each one includes, with examples from three manufacturers.
Alexey Puzanov · Oct 12, 2026 · 2 min read
Specifications explained
Digging depth, reach and digging force: how to read an excavator spec sheet
Maximum digging depth and reach are easy to compare. Digging force is not, because two standards measure it differently. The Komatsu PC210LC-11 brochure shows why.
Alexey Puzanov · Oct 12, 2026 · 2 min read
Specifications explained
Net, gross and engine power: which horsepower number to compare
A spec sheet can show three horsepower numbers for one engine. They differ because the rating standard and what is counted change. Here is how to read them.
Alexey Puzanov · Oct 12, 2026 · 2 min read
Specifications explained
Rated operating capacity and tipping load: the numbers that look alike and are not
A skid-steer loader can lift a rated load and still have a higher tipping load. The Bobcat S650 spec page shows the relationship, and the two figures measure different things.
Alexey Puzanov · Oct 12, 2026 · 2 min read
Buying guides
Buying a used excavator: a first inspection checklist
Before you pay for a used excavator, you can check a dozen things yourself in about an hour. This list covers what to look at and what to ask for, and when to bring in a specialist.
Alexey Puzanov · Oct 12, 2026 · 3 min read