Guides
Reading a Japanese reel model code
JDM reels carry the densest model codes in fishing tackle. A name like 23 Certate LT 2500S-XH packs the release year, body platform, body size, spool depth, and gear ratio into 16 characters. Once you know the system, every line on a Rakuten listing becomes scannable. This guide walks through the codes used by Daiwa and Shimano, the two manufacturers that make about 90% of premium JDM reels.
The year prefix
A two-digit number at the start of a name is the release year. 23 Certate is the 2023 model. 22 Stella is the 2022 model. 26 Tierra is the 2026 model. The year never includes the century, so “26” means 2026 (not 1926). Manufacturers cycle major redesigns every 5-7 years, so a “23” reel is a brand-new platform; the “18” or “16” version is the previous generation.
Why this matters: a 23 Certate and an 18 Certate share the model name but are mechanically different reels. Reviews, parts diagrams, and tournament-pro endorsements are only relevant when the year prefix matches.
Daiwa body sizes
Daiwa numbers spinning reels in steps of 500-1000:
1000 / 1500 / 2000 / 2500 / 3000 / 3500 / 4000 / 5000 / 6000 / 8000 / 10000 / 14000 / 18000 / 20000
Smaller numbers are smaller reels. As a quick map of intended use:
- 1000-2000: ultralight, finesse, trout, area
- 2500-3000: bass spinning, light freshwater, light shore
- 4000-5000: shore jigging, light surf, big bass, light saltwater
- 6000-8000: offshore jigging, surf casting, GT
- 10000+: deep jigging, big-game offshore
A C prefix (e.g. C2500) means “compact” - the reel uses a smaller body with the next size's spool. C2500 is a 1000-size body fitted with a 2500-size spool. It's the JDM bass-spinning standard: lighter-handling than a true 2500 but with normal 2500 line capacity.
Shimano body sizes
Shimano uses the same numbering family but doesn't increment in lockstep with Daiwa:
500 / 1000 / 2000 / 2500 / C2500 / 3000 / C3000 / 4000 / C5000 / 5000 / 6000 / 8000 / 10000 / 14000 / 18000 / 20000
The C prefix on Shimano reels works the same as on Daiwa: compact body, larger spool. C3000 is a 2500-size body with a 3000-size spool. A 2500-size Daiwa and a 2500-size Shimano are roughly equivalent in line capacity and target use, but the actual frame dimensions differ slightly. Don't expect spools to swap across manufacturers.
Gear ratios (PG, HG, XG)
The gear ratio determines how much line a single crank retrieves and is the most important code on the reel name. Both manufacturers use overlapping but slightly-different letters:
| Code | Approx ratio | Best for |
|---|---|---|
| PG | 4.8:1 | Power Gear. Slow lures, deep crankbaits, big swimbaits, heavy umbrella rigs |
| P | 5.1:1 | Power-leaning standard. Heavy cover, jigs, wintertime |
| (no code) | 5.7-6.0:1 | Standard ratio for the body size. Good general all-rounder |
| H / HG | 6.0-6.2:1 | High Gear. Reaction baits, search, tournament fishing |
| SH / SHG | 6.6:1 | Super High Gear. Fast retrieve, jerkbait recovery |
| XH / XG | 7.1-7.2:1 | Xtra Gear. Topwater, frog, finesse slack-cleanup |
| XXH / XXG | 7.8:1+ | Specialty fast retrieves. Frog tournaments, line burners |
A reel with no gear-ratio code is the standard ratio for that body size. So 23 Certate LT 2500S is the standard ~5.7:1, and 23 Certate LT 2500S-XH is the same reel with the extra-fast gear set. Daiwa tends to use H/XH; Shimano tends to use HG/XG/XXG. Same idea, different letters.
Spool depth and handle codes
Daiwa appends spool-depth and handle modifiers after the gear ratio:
- (no suffix): standard spool depth, holds the reel's nominal line capacity
- S: shallow spool, holds less line, slightly lighter, common on bass and finesse builds
- SS: extra-shallow, mostly seen on ultralight (1000-size, occasional 2000)
- DH: double handle (T-bar or paddle handle, used on both Daiwa and Shimano)
Shimano uses similar conventions but a slightly different vocabulary - HG and XG appear in the same slot as Daiwa's -H and -XH, and Shimano applies SS to some small-body finesse reels. Don't over-think it; in practice you'll see the same handful of suffixes repeat across both brands.
Body code modifiers on the front of the size are also common:
- LT (Daiwa): “Light Tough”. Daiwa's lower-weight platform across all modern reels - frame magnesium, lighter rotor.
- SW: saltwater-rated. Reinforced gearing, stronger drag, sealed bearings. Stella SW, Saltiga, etc.
- FW: freshwater (used occasionally on rebadged saltwater models tuned for bass).
- FC (Shimano): freshwater-compact, sometimes seen on Stradic FC and similar.
Casting (baitcaster) codes
Low-profile baitcasters add a handle-position code at the end of the model name:
- HL / -L: left-handed retrieve.
- HR / (default): right-handed retrieve. Most JDM listings ship right-hand by default.
- DC: digital cast control. Shimano premium feature on Antares, Conquest, Metanium DC; reduces backlashes via electronic spool braking.
Examples: 22 Steez SV TW 100HL is a Daiwa Steez SV, 100-size body, high gear, left-handed retrieve. Antares DC LH is a Shimano Antares with DC braking, left-hand retrieve.
Worked examples
23 Certate LT 2500S-XH
- 23: 2023 release year
- Certate: Daiwa's bass / light-saltwater premium tier
- LT: Light Tough body concept (Daiwa's reduced-weight platform)
- 2500: 2500-size body
- S: shallow spool
- -XH: extra-high gear (~7.1:1)
Plain English: a 2023 Certate, light-tough chassis, 2500-size bass body, shallow spool, fast retrieve. Built for bass spinning with fluorocarbon and quick cover-work.
22 Stella SW 8000HG
- 22: 2022 release year
- Stella: Shimano's spinning flagship
- SW: saltwater-reinforced platform
- 8000: 8000-size body (offshore jigging size)
- HG: high gear (~5.6:1 in this body size)
Plain English: a 2022 Stella saltwater, 8000 body, high gear. Offshore casting and jigging for tuna, GT, AJ.
22 Steez SV TW 100HL
- 22: 2022 release year
- Steez: Daiwa's bass-baitcasting flagship line
- SV: Stress-free Versatile - Daiwa's shallow-spool bass platform
- TW: T-Wing System - Daiwa's wide-mouth line guide
- 100: 100-size body (standard bass)
- HL: high gear, left-handed retrieve
Cheat sheet
One-page reference for the codes you'll see most. Save this section, or screenshot the table.
| Code | Meaning | Example |
|---|---|---|
| 23 / 22 / 26 | Year prefix (release year, last two digits) | 23 Certate |
| LT | Light Tough body, Daiwa | 23 Certate LT |
| SW | Saltwater-reinforced platform | 22 Stella SW |
| C2500 / C3000 | Compact body, larger spool | 22 Stella C2500 |
| PG | Power Gear (~4.8:1) | 22 Tatula 100PG |
| (no ratio) | Standard gear ratio (~5.7:1) | 23 Certate LT 2500S |
| H / HG | High Gear (~6.0-6.2:1) | 22 Stella C3000HG |
| SH / SHG | Super High Gear (~6.6:1) | 22 Twin Power C3000SHG |
| XH / XG | Xtra Gear (~7.1-7.2:1) | 23 Certate LT 2500S-XH |
| XXH / XXG | Double-Xtra Gear (~7.8:1+) | 21 Stella SW 14000XG |
| -S | Shallow spool | 23 Certate LT 2500S |
| -SS | Extra-shallow spool | 20 Luvias FC LT2000SS |
| -DH | Double handle | 22 Vanquish C2500SDH |
| HL / -L | Left-handed retrieve (casting) | 22 Steez SV TW 100HL |
| DC | Digital Cast control (Shimano only) | Antares DC |
| TW | T-Wing System line guide (Daiwa) | 22 Steez SV TW |
| SV | Stress-free Versatile shallow spool (Daiwa) | Steez SV TW 100HL |
With this in hand, every JDM reel listing on Rakuten or jdmtackledeals stops looking like alphabet soup. Browse the reels catalog and you'll know exactly what you're comparing. If you're picking your first JDM reel and don't know whether to lean Daiwa or Shimano, our head-to-head comparison covers where each brand wins.
See a code we missed, or have a correction? Drop us a note. We update this guide as we hear from readers.