Which digs deeper, the HY18B or the MS15P?

The HY18B publishes a 2,050 mm (80 in) max digging depth. MMS claims the reversed jib cylinder on the MS15P digs deeper but gives no figure, so the HY18B is the only one you can verify.

Is the HY18B worth the extra over the MS15P?

At $9,159.99 at Amazon as of November 6, 2026, the HY18B buys a known Kubota Tier 4 engine, a quick hitch and published dig specs. The MS15P has no listed price, so you cannot judge the gap until you get a quote.

Which is easier to tow?

The MS15P. Its 2,162 lb assembled weight is well under the HY18B's 1,800 kg (about 3,968 lb), so it fits lighter trailers and half-ton trucks.

Which is better for trenching and stump work?

The HY18B, on paper. It has more weight, a 24 LPM auxiliary circuit for attachments and a 3,260 mm reach. The MS15P's lighter frame limits how much force it can put into hard ground.

Do both come with a thumb?

Yes. The HY18B includes a hydraulic thumb clamp, and the MS15P has an extended hydraulic thumb gripper. The MMS version is longer, which helps on brush and rock.

Which has better parts support?

The HY18B, because the Kubota D722 is a common engine with wide dealer and parts coverage. MMS does not name its engine, so parts sourcing is less certain.

HUAYEE HY18B Mini Excavator vs MMS MS15P Mini Excavator

Buy the HUAYEE HY18B if you want a Kubota-powered 1.8-ton machine with a quick hitch and a documented price of $9,159.99 at Amazon as of November 6, 2026. The MMS MS15P is the lighter 1.5-ton alternative with a reversed jib cylinder for deeper digging, but no current price was given for it. For most homestead and small-contractor work, the HY18B is the safer pick because its engine and specs are fully spelled out.

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