Frame ID Numbers

There are two table listed here. The first is "Frame ID Numbers - 1981 and Later." This information was originally posted (13 Mar 1996) by Dan Kloch (kloch@nrcdec.nrc.state.ne.us) and was then updated (13 Nov 1996) by Cheezie to include 1993-96 bikes. The second table is "Motorcycle ID Numbers 1970-1980." And was added by Dan on 22 Nov 1996. Thanks Dan!

Frame ID Numbers - 1981 and Later

Example: 1HD1AAK11BYO13478

The frame number is broken down like this: 1 HD 1 AA K 1 1 B Y 013278 1 = Made in U.S.A. HD = Harley Davidson 1 = Weight Class 1 = Heavyweight 4 = Lightweight 8 = Sidecar AA = Model Designation K = Engine Displacement K = 1340 Shovelhead H = 1000 Ironhead XL L = 1340 Evolution M = 883 Evolution XL N = 1100 Evolution XL P = 1200 Evolution XL 1 = Introdution Date 1 = Regular Introdution 2 = Mid-Year (January) 3 = California Special 4 = Daytona (March) 1 = Check Digit B = Model Year B = 1981 C = 1982 D = 1983 E = 1984 F = 1985 G = 1986 H = 1987 J = 1988 K = 1989 L = 1990 M = 1991 N = 1992 P = 1993 R = 1994 S = 1995 T = 1996 U = 1997 Y = Plant of Manufacture (York, PA) T = Plant of Manufacture (Tomahawk, WI) J = Plant of Manufacture (Milwaukee, WI) 013278 = Sequential Number
FL/FX Models AA FLH - 80 AB FLHP - 80 Chain AC FLH - 80 Shrine Chain AD FLH - Classic AG FLH - Classic w/ sidecar AH FLHP - 80 Belt Deluxe AJ FLH - 80 Heritage AK FLHS - 80 AL FLH - 80 Shrine Belt BA FXE - 80 BB FXEF - 80 BC FXS - 80 BD FXB - 80 BE FXWG - 80 BF FXSB - 80 BG FXDG BH FXST BJ FLST/FLSTC BK FXSTC BL FXSTS BM FLSTF BN FLSTN BP FXSTSB
FLT/FXR Police Models DA FLHTP - Windshield 1984 and later DF FLHTP - Fairing ED FXRP - Windshield EF FXRP - Fairing EK FXRP - C.H.P.
FLT/FXR Models
AE  1981 FLT
AF  1981 FLTC
DA  FLT 1982 and 1983 only
DB  FLTC
DC  FLHT
DD  FLHTC
DE  FLHTC w/ Sidecar
DG  FLHTC Shrine
DH  FLTC w/Sidecar
DJ  FLHTC 1986 - present
DK  FLTC Shrine
DM  FLTCU - Ultra
DN  FLTCU - Ultra w/Sidecar
DP  FLHTCU - Ultra
DR  FLHTCU - Ultra w/Sidecar
DS  FLTCU - Ultra Shrine
DT  FLHTCU - Ultra Shrine
EA  FXR
EB  FXRS
EC  FXRT
EE  FXRDG
EG  FXRS-SP  Sport Edition
EH  FXRD
EJ  FXRC
EL  FXLR
EM  FXRS - CON
FA  FLHS
FB  FLHR-I Injected
FC  FLHTCU-I Injected
FD  FLHR
FE  FLTCU-I Injected
FF  FLHTC-I Injected


Dyna Glides GA FXDB-D Daytona GB FXDB-S Sturgis GC FXDC GD FXDL GE FXDWG GG FXDS-CON GH FXD
XL Models CA XLH XLH 1000cc 1981 - 1985 XLH 883 1986 - 1987 XLH 883 Deluxe XLH 1100 XLH 883 1988 - present XLH 1200 CB XLS 1981 - 1985 CC XLX 1981 - 1985 CD XR-1000, 1983 - 1985 CE XLH 883 Hugger 1987 - present CF XLH 883 Deluxe 1988 - present CG XLH 1200 Custom CH XLH 1200 Sport
Sidecars SA CLE Purchased w/FLH SD CLE Purchased w/FLH SE CLE Separate SF TLE Purchased w/FLTC/FLHTC SG TLE Separate SH CLE Purchased w/FLHX GX TLE HX RLE KX TLE Ultra


Motorcycle ID Numbers 1970-1980

Motorcycle Serial Numbers

Vehicle Identification Number (V.I.N.) is located on the engine crankcase and is the same as the number located on frame steering head.

Example: 1A 13478 H7

1A = Model Designation 1A = FL-1200 6E = FXEF-80 2A = FLH-1200 7E = FLHS-1200 3A = XLH-1000 9E = SS-250 4A = XLCH-1000 2F = FXS-1200 5A = GE-750 3F = SXT-125 6A = SS-350 Sprint 4F = SS-175 7A = SX-125 6F = SS-125 8A = M65-S 7F = XLCR-1000 7B = ERS 2G = XLT-1000 8B = MSR-100 3G = FLH-80 2C = FX-1200 5G = FLT-80 3C = SX-350 Sprint 6G = FXE-80 5C = MC-65 7G = FXS-80 6C = SR-100 9G = FXWG-80 1D = LE Sidecar 1H = FXB-80 2D = X-90 2H = CLE Sidecar 3D = Z-90 3H = FLH-80 Classsic 5D = SX-175 5H = FLHS-80 6D = SX-250 6H = FL-80 7D = MX-250 7H = FLH-1200 Police 9D = FXE-1200 8H = FLH-1200 Shrine 4E = XLS-1000 9H = FLH-80 Police 5E = FXEF-1200 1K = FLH-80 Shrine 13478 = Sequential Number H = Decade Code H = 1970 thru 1979 J = 1980 only 7 = Model Season 0 = 1970 1 = 1971 2 = 1972 3 = 1973 4 = 1974 5 = 1975 6 = 1976 7 = 1977 8 = 1978 9 = 1979

Crankcase Identification Numbers

Numbers located on both left and right crankcase halves.

Big Twin: Left Case - Outside, Lower Front
          Right Case - Inside, Gearcase Compartment

XL Models: Left Case - Inside, Primary Compartment
           Right Case - Outside, Near Oil Pump

Stamped at Capitol Drive Facility
Used to identify engine and track production changes

Example: 1588 321 007

15 = Engine Designation
     1 = 1200cc Shovelhead
     7 = 1000cc Iron XL
     14 = 1340cc Shovelhead
     15 = 1340cc Evolution
     16 = XR-1000
     17 = 883cc Evolution XL
     18 = 1100cc Evolution XL
     19 = 1200cc Evolution XL
     20 = 1340cc Evolution, California (1988 - *)
     21 = 883cc Evolution XL, California (1988 - *)
     22 = 1200cc Evolution XL, California (1988 - *)

88 = Model Year

321 = Day of Production
      001 = Jan. 1st        182 = Jul. 1st
      032 = Feb. 1st        213 = Aug. 1st
      060 = Mar. 1st        244 = Sep. 1st
      091 = Apr. 1st        274 = Oct. 1st
      121 = May  1st        305 = Nov. 1st
      152 = Jun. 1st        335 = Dec. 1st

007 = Number That Day
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