Echo CS-3510 vs Echo CS-352

Echo / Gas

Echo CS-3510

30cc class

~$300

3.9/5 Home Depot

Echo / Gas

30cc class

~$260

4.6/5 Home Depot

The Echo CS-352 costs about $40 less; the Echo CS-3510 has more engine (34.4cc); the Echo CS-3510 is lighter at 8.2 lb on the same basis.

Spec	Echo CS-3510	Echo CS-352
Approx. price	~$300with 16" bar and chain	~$260with 16" bar and chain
Engine class	30cc classby displacement	30cc classby displacement
Power type	Gas	Gas
Use case	Homeowner	Homeowner
Engine	34.4 cc	34 cc
Bar length	16 in	16 in
Single-pass cut	about 14 in	about 14 in
Bar range	16 in	16 in
Chain	3/8" low-profile pitch / .050" gauge (laminated bar)	3/8" low-profile pitch / .050" gauge (Double-Guard 91)
Weight	8.2 lbpowerhead only (dry, without bar and chain)	8.8 lbpowerhead only (dry, without bar and chain)
Warranty	5-year consumer / 1-year commercial	5-year consumer / 1-year commercial

Tinted cells mark the better figure on that row alone: more engine, longer bar, lighter, cheaper. A lighter weight is only a win on the same basis.

34.4cc in an 8.2 lb powerhead — light enough for extended limbing, strong enough for small firewood
Echo rates it 17% more powerful than the CS-3410 it shares a shelf with
3-point spring anti-vibration system is a genuine step up from the entry CS-310 and CS-352
i-30 starter cuts pull effort by a claimed 30%, and most reviewers confirm easy warm starts
5-year consumer warranty, sold and serviced through Home Depot as well as Echo dealers

3.9 stars across 413 Home Depot reviews with only 68% recommending — the weakest retail aggregate of any current Echo saw
Recurring complaints of hard cold starting and units returned more than once
Owners report the chain brake engaging unprompted and chains thrown during break-in
16-inch bar only — no 18- or 20-inch option as the engine grows in
$50 more than the near-identical CS-3410, and the only stated difference is Echo's own power claim

4.6-star Home Depot aggregate across 615 reviews — the strongest retail record of any current Echo homeowner saw
Owners report cutting several cords a year for five-plus years on nothing but routine maintenance
i-30 starter, tool-free air filter cover and side-access tensioner at $259.99
Automatic clutch-driven oiler only feeds oil when the chain turns, so bar oil lasts
5-year consumer warranty, and a California-compliant version is sold separately for CARB states
Cheapest route into a 34cc Echo — $40 under the CS-3510

8.8 lb dry — heavier than the 34.4cc CS-3510 and CS-3410 despite the smaller engine
Standard anti-vibration rather than the 3-point spring system on the CS-35xx saws
34cc behind a 16-inch bar is slow in hardwood much over 12 inches
16-inch bar only, with no upgrade path
An older design that Echo is clearly steering buyers away from toward the CS-3410 and CS-3510