Skip navigation
Amicale Spitfire
Amicale Spitfire |  Sommaire Technique |  Technical Index

Triumph Database / Differentials
Herald, Vitesse, Spitfire, GT6

Thanks to Keith Bennett, Phil Willson for contributing.
Data from Factory Parts Catalogues and Carl Heinlein, TSSC.
  • Ratio : Number of revolutions of the input (propshaft) for one revolution of the two outputs (wheels)
  • D=Drain Plug (Yes or No)
  • H=Number of Spring Fixing Holes
  • S=Strength (+ or -) (diameter of splines, output shafts)
  • I=Input flange Size (Small or Large)
  • O=Output Flange Size (Small or Large)
  • CW&P : Crownwheel & Pinion Part Number
DifferentialsPrefixRatioDHSIODiff Part N°ReconditionedCW&P
Herald
948L4,875Y6-SS  502017
Coupé, Cab. et TCY4,55Y6-SS214687516654502018 (516275)
1200 (bef. 65, diff GA 80000)GA4,11Y6-SS510692 510005 (516274)
1200 (aft.. 65, diff GA 80001)GA4,11N6-SS511404 510005 (516274)
13/60GE4,11N6+SS214683 (511790)516653510005 (516274)
Vitesse
1600HB4,11N6-SL511350 510005 (516274)
2l MK1FD3,89N6+LL515507 (WKC 155)515744 (UKC 1497)159801
2l MK2HC3,89N6+LL515507 (WKC 155)515744 (UKC 1497)514201 (159801)
Spitfire
MK 1,2,3FC4,11N6-SS511790 (214683)513414510005 (516274)
MK 3 aft.diff. FC120000FC4,11N6+SS(Herald 13/60)(Herald 13/60)510005 (516274)
MK IVFH3,89N4+LLNKC 0154UKC 1496518844
MK IV 1300 USAFK4,11N       
MK IV (73) & 1500 USA (hidden input flange nut)FH3,89N4+LLNKC 0155UKC 1497 (515744)159801
1500 (hidden input flange nut)FR3,63N4+LLTKC 3718 159802
1500 (Swiss) ? 3,27       159803
GT 6
MK 1,2KC3,27N6+LL515492 515743 (519649)515129 (519144)
MK 1,2 (OVD)FD or KD3,89N6+LL515507 (WKC 155)515744 (UKC 1497)514201 (159801)
MK 3 (bef. KE 20000)KC3,27N6+LL518950519649519144
MK 3 (bef. KE 20000) (OVD)KD3,89N6+LL518946519650518844
MK3 (aft. KE 20000)KC3,27N4+LLNKC0262 - NKC0263UKC1494 - UKC1495 -(TKC 5240)159803
MK3 (aft. KE 20000) (OVD)KD3,89N4+LLNKC0154 - NKC0155UKC1496 - UKC1497 - RTC 2305159801

  • If you find any error or want to add any data, send a message to Jean-Pierre

Amicale Spitfire |  Sommaire Technique |  Technical Index
(last updated 13th november 2002)