Side-by-side comparisons of equipment types, fuels and technologies. Product reviews are added only when we can assess a product properly, and each one states what the assessment is based on.
Most equipment decisions come down to a choice between two approaches, and these comparisons set them side by side: inverter or conventional generator, portable or standby, gasoline or diesel, single-stage or two-stage compressor, gas or electric pressure washer, trash or transfer pump. Each comparison explains how the two differ, where each one wins and which to choose for a given job.
Cummins, Power Stroke or Duramax: which diesel lasts longest? We compare design, warranties, recalls and real longevity data, then show how to make one last.
Read GuideKohler 14RESA guide from the factory documents: 14 kW on propane, 12 kW on natural gas, fuel use, the RDC2 controller, service schedule and…
The Generac 4000XL explained: real specs from the owner's manuals, outlet types, part numbers, common problems and fixes, and the best modern replacements.
Generac 5500XL specs from the owner's manual: 5,500 running watts, 6,875 surge, outlets, common problems and fixes, storage tips and modern replacements.
Kohler 20RESAL specs from the factory spec sheet: 20 kW on propane, 18 kW on natural gas, fuel use, battery, maintenance, SA2 and SA7…
Portable generator reviews based on published specs: Honda, Champion, Generac, Westinghouse, DuroMax and Pulsar models compared, with honest pros and cons.
Pulsar generator reviews based on published specs: the G12KBN, PGD105TiSCO, PGD40iSCO and PG1202SA compared, with honest pros, cons and warranty notes.
Honda EU2000i generator guide: official specs and dimensions, maintenance schedule, parallel setup with the EU2200i, common problems and what replaced it.
Champion 41533 generator guide: 9,200 starting and 7,200 running watts, remote start tips, maintenance schedule, common problems and modern replacements.
Dual fuel generator reviews for 2026: fifteen models compared on gasoline and propane output, weight, start type and outlets, with six top picks.
Our tri fuel generator review compares 11 current models on gasoline, propane and natural gas output, weight, noise and outlets, with six top picks.
Honda EU2000i review for 2026: what it still does well, where it shows its age, how it compares with four modern rivals, and how…
Champion 41534 generator guide: 9,500 starting and 7,500 rated watts, the 50-amp outlet, oil and spark plug, maintenance schedule and modern replacements.
Spark versus compression, torque versus revs, fuel economy versus price. How gasoline and diesel engines differ in practice and which one belongs in which…
Transfer pumps move clean water fast and under pressure; trash pumps swallow leaves, gravel and mud. How the two designs differ and how to…
Two-stage compressors reach higher pressure, run cooler and work all day; single-stage compressors cost less and suit intermittent use. How to tell which your…
Electric pressure washers are quiet, light and nearly maintenance-free. Gas models clean faster and go anywhere. How they compare and which one suits your…
