This is a research guide based on cited documentation. It is not a report of firsthand testing. Our editorial method

Letters rank models inside one line, not across lines

The size number is covered in the size-number guide; this guide is about the letters around it. We read the official listings for ten current reel lines on 30 October 2026 and recorded the gear ratio and capacity for each lettered model. [1] [2] [3] [4] [5] [6] [7] [8] [9]

The clearest finding is that a gear letter only ranks models within one reel line. On Shimano's Curado 150M casting reel the MG is 6.2:1, the HG 7.4:1 and the XG 8.1:1; on the Tranx 200 A the unlettered model is 6.2:1, the HG 7.2:1 and the XG 8.5:1. [4] [5] But on the Sedona FJ spinning reel, the 2500HG, C3000HG, 4000XG and C5000XG all list 6.2:1, and on the Nasci FD the 2500HG, C3000HG and C5000XG all list 6.2:1. [2] [6] On those reels HG and XG did not change the ratio at all.

Model as listedGear ratioRetrieve per CrankSource
Shimano Curado 150MG M / 150HG M / 150XG M6.2 / 7.4 / 8.124 / 29 / 32[4]
Shimano Tranx 200 A / 200HG A / 200XG A6.2:1 / 7.2:1 / 8.5:126 / 30 / 36[5]
Shimano Stradic 1000HG / 2500HG / C3000XG / 4000XG / C5000XG FM6 / 5.8 / 6.4 / 6.2 / 6.240 on 4000XG and C5000XG[1]
Shimano Sedona 2500HG / C3000HG / 4000XG / C5000XG FJ6.2 on all four36 / 36 / 39 / 41[2]
PENN Battle IV 4000 / 4000HS6.2:1 / 7.0:1Not listed[7]
PENN Battle IV 6000 / 6000HS; 8000 / 8000HS5.6:1 / 6.2:1; 4.7:1 / 5.3:1Not listed[7]

Spool and body letters: C and S

Shimano puts C in front of some sizes (C3000, C5000). The product pages we read do not define it, so judge it by the numbers: the Stradic C3000XG FM lists 8 lb mono at 170 yards against 140 yards for the Stradic 2500HG FM, and the Sedona C3000HG FJ and 2500HG FJ show the same 170 versus 140 split. [1] [2] In practice a C3000 holds more line than the 2500 beside it.

S after the size goes with a much smaller line capacity on the Vanquish FC; the page does not define the letter. The Vanquish 2500SHG lists 8 lb mono at 55 yards; the Stradic 2500HG lists 8 lb at 140 yards. [3] [1] The Vanquish C3000SDHHG shows the same 4-115, 6-75, 8-55 mono capacity as the 2500SHG. [3] Judge an S model by its capacity row: it is built around light line, so it is the wrong reel if you want to fill it with heavier mono.

A C at the end of a Shimano SKU is something else. The Sedona 4000XG FJ CLAM has SKU SE4000XGFJC, while the non-clam Sedona 4000XG FJ is SE4000XGFJ. [2] The trailing C there marks the clam-pack version, not a compact body.

Left-hand codes

Shimano casting reels show handedness in the model number: the Curado 150HG M lists Retrieve Right and the 151HG M lists Retrieve Left; the Tranx 200HG A is Right and the 201HG A is Left. [4] [5] The odd number is the left-hand version.

Spinning reels usually do not need a code because the handle swaps sides. PENN's Battle IV table lists Right/Left on every size. [7] KastKing does not use a letter for its casting reels; the Royale Legend Elite page sells Left Handed and Right Handed as a variant choice at the same price. [9] We did not find an LH suffix on any of the official listings we read, so if a seller uses one, confirm the side in the spec table.

Brands that use no letters, or letters we could not verify

PENN's suffix is HS. Its Battle IV variants are named Standard Speed and High Speed, and the HS models (BTLIV4000HS, 6000HS, 8000HS) each list a higher ratio than the standard model of the same size. [7] PENN's 6000HS at 6.2:1 matches the standard 2000 to 4000 sizes, so HS is again relative.

Daiwa's US page for the BG MQ lists models such as BGMQ2500D-H, BGMQ3000D-XH, BGMQ4000D-XH, BGMQ8000-H and BGMQ18000,. [8] The page text we could read did not define D, H or XH and gave no spec figures, so we do not assign meanings here; read the spec table on the live page before you buy.

Piscifun's Carbon X II comes in sizes 1000, 2000 and 3000 with colour as the other option, and the description mentions 6.2:1 and 5.2:1 ratios without a letter code. [10] With unlettered brands, the ratio must come from the spec table or a question to the seller.

CodeBrand where seenWhat the listing showsSame meaning elsewhere?
HG / XG / MGShimano [1] [2] [4] [5]Faster or slower model within one lineNo: Sedona HG and XG are both 6.2 [2]
HSPENN [7]High Speed variant of a sizePENN only, among pages we read
C before sizeShimano [1] [2]C3000 holds more line than the 2500Not defined on the pages we read
C at end of SKUShimano Sedona [2]Clam-pack versionDifferent from C before the size
S after sizeShimano Vanquish [3]Much lower capacity (55 yd of 8 lb on 2500SHG)Compare capacity, not the letter
Odd model number (151, 201)Shimano casting reels [4] [5]Left-hand retrieveSpinning reels swap sides instead [7]
D, H, XHDaiwa BG MQ [8]Codes listed; not defined in text we could readCheck Daiwa's spec table
No suffixKastKing, Piscifun [9] [10]Ratio and hand chosen as optionsRead the spec table

Decode a model name in five steps

Use this routine on any listing, including marketplace titles that shorten the official name.

  • Split the name into series, size number, letters and any generation code (Shimano's FM, FJ, FD, FC, M and A). [1] [2] [3] [4] [5] [6]
  • Find the official spec row for that exact SKU and read the gear ratio and line per crank, not the letter. [1] [4]
  • Compare capacity at the line test you will use, which exposes shallow S spools. [1] [3]
  • Check the Retrieve field or variant option for handle side. [4] [7] [9]
  • When letters are not defined on the brand's page, ask the seller rather than assuming another brand's meaning. [8]

Questions before you decide

What does HG mean on a Shimano reel?

It marks a higher-gear model within one reel line. On the Curado 150M, HG is 7.4:1 against 6.2:1 for MG, but on the Sedona FJ the 2500HG and the 4000XG both list 6.2:1, so read the ratio in the spec row.

Is XG always faster than HG?

Only within one line and size range. Curado 150XG M is 8.1:1 against 7.4:1 for HG, but Sedona FJ HG and XG models all list 6.2:1. Compare Retrieve per Crank, which ran from 36 to 41 across those Sedona sizes.

How do I tell a left-handed Shimano baitcaster from the model name?

Look for an odd model number. Shimano's Curado 151HG M and Tranx 201HG A list Retrieve Left, while the 150HG M and 200HG A list Retrieve Right.

What does S mean in a model like 2500SHG?

On Shimano's Vanquish FC it goes with a much smaller line capacity: the 2500SHG lists 55 yards of 8 lb mono, while the Stradic 2500HG FM lists 140 yards of 8 lb.

Sources & verification

Product details and prices can change. Check the linked provider before buying.

  1. Shimano Stradic FM: model specifications Accessed 30 Oct 2026
  2. Shimano Sedona FJ: model specifications and SKUs Accessed 30 Oct 2026
  3. Shimano Vanquish FC: model specifications Accessed 30 Oct 2026
  4. Shimano Curado 150M: model specifications Accessed 30 Oct 2026
  5. Shimano Tranx 200 A: model specifications Accessed 30 Oct 2026
  6. Shimano Nasci FD: model specifications Accessed 30 Oct 2026
  7. PENN Battle IV spinning reel: model comparison table Accessed 30 Oct 2026
  8. Daiwa BG MQ spinning reel: model list Accessed 30 Oct 2026
  9. KastKing Royale Legend Elite: variants and specifications Accessed 30 Oct 2026
  10. Piscifun Carbon X II spinning reel: product page Accessed 30 Oct 2026

Sources link directly to providers. Product buttons may use separately labeled affiliate links. Read our disclosure.

Your decision at a glance

The option in this guide

Full comparison

Documentation-based guidance. No tested ranking or performance score.

Spinning reels

Piscifun

Consider it for
Official store for spinning reels, baitcasters, rods, and fishing accessories.
Starting cost
Carbon X selected 500 / Ordinary: $57.99 (struck $79.99); backordered on 19 Sep 2026 and still backordered on 29 Oct 2026
Before you choose
Compare the exact size with alternatives. Sale prices change; our research does not establish casting performance or durability.

Checked 29 Oct 2026 · Pricing source

View Piscifun plans

Affiliate link: we may earn a commission on an eligible purchase. Link disclosure