Which is better for cleaning carburetors and engine parts?

The Granbo. Its 33 kHz frequency and up to 400W of power give stronger cavitation for greasy metal parts, and the 1000W heater speeds up degreasing. The CREWORKS works too, but its 40 kHz output is gentler.

Which is gentler on delicate items?

The CREWORKS. Its 40 kHz frequency produces smaller cavitation bubbles, and the 180W gentle mode cuts intensity further. The Granbo's 33 kHz is the more aggressive choice.

Is the Granbo worth it over the CREWORKS?

Yes on price and power: it is $104.49 at eBay versus $136.99 as of November 6, 2026, with a stronger heater and higher ultrasonic power. Pick the CREWORKS only if you need the gentler frequency or the lighter unit.

Which heats up faster?

The Granbo. Its 1000W heater is well above the CREWORKS 600W, so it reaches 80°C sooner. Both top out at 80°C.

Do they have the same tank size?

Yes. Both are 15 L with roughly 330 x 300 x 150 mm tanks and SUS304 stainless steel. Basket shape and fittings may differ, so check dimensions before buying.

Neither maker publishes a service life, so judge by the stainless tank and heater. Both use SUS304 steel; the Granbo's higher heater wattage means more thermal stress, while the CREWORKS runs at lower power.

CREWORKS 15L Ultrasonic Cleaner vs Granbo 15L Industrial Sonic Cleaner

Buy the Granbo if you want more cleaning power and heat for less money: it is $104.49 at eBay as of November 6, 2026, against $136.99 for the CREWORKS at eBay. Buy the CREWORKS if you want a gentler 40 kHz frequency, a simple minute-based timer, and a lighter 8.2 kg unit. Both are 15 L tanks with 304 stainless steel and a 0–80°C heater range, so the real split is frequency, heater wattage and controls.

Today the Granbo 15L Industrial Sonic Cleaner costs $32.50 less at its best price.

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