Honda Serial & Model Number Guide

Every Honda generator carries a model/serial label. Here is where to find it, what each part of the number means, and how to use it for parts, service and age.

Where to find it: location depends on the type: on standby/industrial units it's a tag on the frame near the control panel, or stamped into a metal plate on the engine block near the oil fill cap; on portable inverter units (e.g. EU2000i) it's a white label near the carrying handle, backed up by a stamp in the metal frame on the same side; older units may carry a plate riveted to the back, bottom, or under a rubber foot pad instead.

What the number means

Worked example — EB10000:

Part	Meaning	Detail
`EB`	Series prefix	Honda's generator series letters (EB, EM, EG, EU, EU-i, etc.). Honda does not publish a public per-letter meaning for these — treat it as a product-line name, not a decodable code.
`10000`	Rated output class	Typically the approximate rated wattage class of the unit (EB10000 ≈ 10,000 W); confirm the exact rating on the nameplate, since suffix variants (e.g. AH, AH1) can differ in output.

Using the serial number

Honda serial-number format varies by era: modern units use a 12-character alphanumeric code, while older units may have only 7-8 digits (a 7-digit serial generally points to an early-2000s or older unit). Honda does not publish a public serial-to-build-date formula — contact a Honda Power Equipment dealer with the full serial for an exact date.

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Decode rules verified against: Honda Generators serial-number location guide (hondageneratorus.com), cross-checked against our own harvested Honda operator/shop manuals, which confirm the "FRAME SERIAL NUMBER" plate label and its on-unit location. Figures are for reference; confirm against the official documentation for your exact unit.