Quick verdict

I would pick the ECHO SRM-2620T for thicker growth and most buyers who want one commercial gas trimmer. I would pick the Husqvarna 525LS Mark II if lower weight and long-session comfort matter more than torque feel.

Best Overall Commercial Gas Pick

ECHO SRM-2620T

A pro-grade high-torque straight-shaft trimmer with a 25.4 cc engine, 2:1 gear reduction, and a Speed-Feed head.

Power
25.4 cc 2-stroke
Cut
17 in. swath
Weight
12.8 lb dry
Score
9.6

Best Lightweight Pro Gas Pick

Husqvarna 525LS Mark II

A pro-grade Husqvarna straight-shaft trimmer with a wide cut, low weight, and the service familiarity crews expect.

Power
25.4 cc 2-stroke
Cut
19.3 in. swath
Weight
10.36 lb excl. cutting gear
Score
9.2

Power and torque

Both tools sit in the 25.4 cc gas class, but the ECHO gets the edge for heavier growth because the high-torque gearing is the whole point of the SRM-2620T. The Husqvarna is plenty credible, but it feels like the more comfort-focused choice.

Weight and fatigue

The Husqvarna's strongest argument is weight. If you are trimming all day and every pound matters, the 525LS Mark II deserves a hard look. The ECHO is still manageable, but it is not the lightest pick here.

Line loading

The Speed-Feed 400 head is a major reason I keep the ECHO at the top. If you reload often, fast line changes are not a small feature. They are part of the productivity math.

Which one should you buy?

Buy ECHO SRM-2620T if

  • Thicker weeds and rougher fence lines
  • Buyers who care about fast line reloads
  • One-gas-trimmer commercial shortlist

Buy Husqvarna 525LS Mark II if

  • Long route work where fatigue matters
  • Buyers who want a lighter pro gas trimmer
  • Open trimming where the wider cut helps

My pick

My pick here is ECHO SRM-2620T. That does not mean the other trimmer is bad. It means ECHO SRM-2620T is the cleaner recommendation for the buyer this comparison is aimed at.