Harley Davidson Letter Codes
Harley Davidson letter codes! Do have a lot of sleepless nights when you roll around again and again in your bed wondering what FL, FLD, EL, UL, FXDL, ULH, FLT, FLH, FLHR and so on mean? Read this page, memorize the letter codes and you will sleep well ever after with a smile on your face! :)
~ updated 2026 09 ~
1 st letter
ENGINE CODE
B ° Overhead valve 69 ci single/big twin
E ° Overhead valve 61 ci Knucklehead
F ° Overhead valve Big Twin
G ° 3-wheel work bike, 1937 to 1973
K ° Side valve 45 and 55 cubic inch sports bike
U ° Side valve Flathead big twin
V ° Side valve 74 ci from -30 to -36
W ° Side valve 45 ci from -37 to -52
X ° Sports and Special Construction
V ° Revolution engine
R ° Liquid cooled Revolution Max engine
2 nd letter
FRONT FORK CODE
H ° Heavy duty front end
L ° Large diameter forks
S ° Small Diameter forks
X ° Narrow tire & Sport forks
3 rd letter
FRAME CODE
C ° Custom frame
D ° Dyna frame
H ° Highway
R ° Rubber mounted frame
ST ° Softail frame
T ° Touring frame
TOURING MODELS
FLTR
FLHR ° Road King
FLHRCI ° Road King Classic
FLHRSI ° Road King Custom
FLHRXS ° Road King Special
FLHS ° Electra Glide Sport
FLHT ° Electra Glide Standard
FLHTC ° Electra Glide Classic
FLHTCU ° Ultra Classic Electra Glide
FLHTCUL ° Ultra Classic Electra Glide Low
FLHTK ° Electra Glide Ultra Limited
FLHTKL ° Electra Glide Ultra Limited Low
FLHTP ° Electra Glide Police
FLHTCUSE ° Electra Glide Ultra Classic CVO
FLI ° HYDRA-GLIDE REVIVAL, 2024 special anniversary edition
FLHX ° Street Glide
FLHXS ° Street Glide Special
FLHXST ° Street Glide ST
FLHXL ° Street Glide Limited
FLHXSE ° CVO Street Glide
FLHXSTSE ° CVO Street Glide ST
FLHXLSE ° CVO Street Glide Limited
FLTC ° Rubber Mounted Dresser Classic
FLTCU ° Rubber Mounted Dresser Classic Ultra
FLTR ° Road Glide
FLTRSE ° CVO Screamin' Eagle Road Glide
FLTRX ° Road Glide Custom
FLTRXS ° Road Glide Special
FLTRXST ° Road Glide ST
FLTRXL ° Road Glide Limited
FLTRXSE ° CVO Road Glide
FLTRXSTSE ° CVO Road Glide ST
TRIKES
FLHTCUTG ° Tri-Glide
FLRT ° Freewheeler
FLHXX ° Street Glide Trike
FLTRT ° Road Glide 3 Limited (2026)
FLHLT ° Street Glide 3 Limited (2026)
FLHLTSE ° CVO Street Glide 3 Limited (2026)
SOFTAIL MODELS
FXLR
FLSL ° Softail Slim
FLSS ° Softail Slim S
FLST ° Softail
FLSTC ° Heritage Softail Classic
FLSTF ° Fat Boy
FLSTN ° Softail Deluxe
FLSTSC ° Springer Softail Classic
FLSTSECVO ° Softail Convertible
FLSTSB ° Cross Bones
FXSTB ° Night Train
FXSTC ° Softail Custom
FXSTD ° Softail Deuce
FXSTS ° Springer Softail
FXSTSB ° Bad Boy
FXSTSSECVO ° Softail Springer Screamin' Eagle
FXCW ° Softail Rocker
FXCWC ° Softail Rocker Custom
FXS ° Softail Blackline
FXSB ° Softail Breakout
FXSBSE ° Softail CVO Breakout
FXBR ° Breakout
FXBRS ° Breakout 114
FXBB ° Street Bob
FXBBS ° Street Bob 114
FXDBI ° Street Bob Limited
FXSTB ° Night Train
FXSTC ° Softail Custom
FXSTD ° Softail Deuce
FXSTS ° Softail SpringerL
FXSTSSE ° CVO Softail Springer Screaming Eagle
FLDE ° Deluxe
FLFB ° Fat Boy
FLFBS ° Fat Boy 114
FXFB ° FAT BOB
FXFBS ° FAT BOB 114
FLSB ° Sport Glide
FXST ° Softail Standard
FLDE ° Softail Deluxe
FLHC ° Heritage Classic
FLHCS ° Heritage Classic 114
FXLR ° Low Rider
FXLRS ° Low Rider S
FXSTSB ° Bad Boy (1995-1997
FXB ° Sturgis (1980-1982)
DYNA MODELS
FXDB
FXDB ° Dyna Street Bob
FXDBI ° Dyna Street Bob Fuel Injected
FXD ° Dyna Superglide
FXDL ° Dyna Low Rider
FXDF ° Dyna Fat Bob
FXDFSE ° CVO Fat Bob
FXDS-CON ° Dyna Convertible
FXDWG ° Dyna Wide Glide
FXDX ° Dyna Super Glide Sport
FXDXT ° Dyna Super Glide T-Sport
FXDC ° Dyna Super Glide Custom
FLD ° Dyna Switchback
FXR ° Superglide II
FXRS ° Low Glide
FXRS ° FXR Sport Convertible
FXRT ° Sport Glide
FXRP ° Police/Defender
FXRS ° FXR Sport
FXS ° Low Rider
SPORTSTER MODELS
RH1250S
XL50 ° Sportster 50th Anniversary Ed.
XLH883 ° Sportster Hugger
XL883 ° Sportster 883
XL883C ° Sportster 883 Custom
XL883L ° Sportster 883 Low
XL883N ° Sportster 883 Iron
XL883R ° Sportster 883 Roadster
XL1200 ° Sportster 1200
XL1200C ° Sportster 1200 Custom
XL1200L ° Sportster 1200 Low
XL1200N ° Sportster 1200 Nightster
XL1200R ° Sportster 1200 Roadster
XL1200S ° Sportster 1200 Sport
XL1200T ° Sportster 1200 Super Low
XL1200V ° Sportster Seventy-Two
XL1200X ° Sportster Forty-Eight
XR1200 ° Performance Model
RH975 ° Nighster
RH975S ° Nighster Special
RH1250S ° Sportster S
V-ROD MODELS
VRSCD
VRSC ° V-Rod
VRSCAW ° V-Rod (240mm rear tire)
VRSCB ° V-Rod Black Finish
VRSCD ° Night Rod
VRSCDX ° Night Rod Special
VRSCF ° V-Rod Muscle
VRSCR ° Street Rod
ADVENTURE MODELS
RA1250S
RA1250 ° Pan America 1250
RA1250S ° Pan America 1250 Special
RA1250ST ° Pan America 1250 ST
RA1250L ° Pan America 1250 Limited
RA1250SE ° Pan America
SMALL STREET MODELS
XG750
XG500 ° Street 500
XG750 ° Street 750
XG750A ° Street ROD
ELECTRIC MODELS
LW1
ELW ° ORIGINAL FACTORY LIVEWIRE
LW1 ° LIVEWIRE ONE