www.tigercubandterrier.com
  • Welcome
  • Introduction
  • The Story begins...
  • An Interview with Mr Turner
  • Model information
    • Terrier T15
    • Tiger Cub T20 >
      • 1954/55
      • 1956
      • 1957
      • 1958
      • 1959
      • 1960
      • 1961/62
      • 1963-on
    • Competition Cub T20C
    • Sports Cub T20S
    • Woods Cub T20W
    • Sports Lights Cub T20SL
    • Trials Cub T20T
    • Street Scrambler T20SS
    • Scrambler T20SR/T20SC
    • Trials & Scrambler TR20/TS20
    • Sports Home Cub T20SH
    • Mountain Cub T20SM/T20M
    • War Department (T20WD/T20M WD
    • Bantam Cub T20B
    • T20B Super Cub
  • Police Machines
    • The RUC Cubs
  • Buyer's Guide
  • Resources
  • Technical
    • Machine Numbers
    • Gear Clusters
    • Front Forks
    • Front Fork Oil Change
    • Condensers
    • Finding T.D.C.
    • External Oil Filter
    • Lucas Energy Transfer
    • 12V Conversion
    • Fitting Indicators to a Tiger Cub
    • Fitting a Craven Luggage Rack
    • Spark Plugs and Sparks
    • Know your Alternator
    • Oil Pumps and Lubrication
    • PRS8 Switch Repair
    • T20 Oil Filter Kit
  • Your Stories
    • My Wee Cub
    • Denny's Terrier
    • A T20C Story
    • TR20 Cub Sorted
    • Saving Sylvia
    • My 1959 Tiger Cub
    • My First Restoration
    • Found in a Scrap Yard
    • My First Bike
    • Brand new out of the Box
    • On the Road after 40 years
    • First bike I ever Rode
    • The' Tarbuk' Conversion
    • A Tiger Cub in a Box
    • Aunt Tiny
    • Well-travelled Terrier
    • Mashooq's Tiger Cub
    • 48 Years with my Cub
    • Ready for the Arbuthnot
    • My Collection of Cubs
    • Mountain Cub and Cafe tales
    • My favourite Cub of all
    • A Cub in Norway
    • Beginning of a Terrier Restoration
    • An Ambush of Cubs
    • A T20C Cub (probably!)
    • A Moment Frozen in Time
    • Finally after 56 years!
    • Still riding Cubs after 60 years
    • A Lakeland Venture
    • Back to my Teens!
    • Terrier Tribulations!
    • Brian's Cub Special
    • Sold, Bought, Restored
    • It started with a Cub
    • A Family Connection
    • Cubs & Terriers in the Family
    • Benny's Tiger Cub
    • Tiger Cub Trials!
    • Getting my '59 Cub in '58
  • The Princeton Cubs
    • Class of 2009 - 2010
    • Class of 2010 - 2011
    • Class of 2011 - 2012
    • Class of 2012 - 2013
    • Class of 2013 - 2014
    • Class of 2014 -2015
    • Class of 2015 - 2016
    • Class of 2016 - 2017
    • Class of 2017 - 2018
    • Class of 2018 - 2019
    • Class of 2019 - 2020
  • Sporting Tales
    • Bonneville Speed Record
    • ISDT Success
    • Success in the Scottish
    • My 1961 International Six Days
  • TC&T Mysteries
    • The Terror
    • Who is this?
    • Mountain Cub Mystery
  • The Bermuda Connection
  • Buy - Sell - Swap
  • Welcome
  • Introduction
  • The Story begins...
  • An Interview with Mr Turner
  • Model information
    • Terrier T15
    • Tiger Cub T20 >
      • 1954/55
      • 1956
      • 1957
      • 1958
      • 1959
      • 1960
      • 1961/62
      • 1963-on
    • Competition Cub T20C
    • Sports Cub T20S
    • Woods Cub T20W
    • Sports Lights Cub T20SL
    • Trials Cub T20T
    • Street Scrambler T20SS
    • Scrambler T20SR/T20SC
    • Trials & Scrambler TR20/TS20
    • Sports Home Cub T20SH
    • Mountain Cub T20SM/T20M
    • War Department (T20WD/T20M WD
    • Bantam Cub T20B
    • T20B Super Cub
  • Police Machines
    • The RUC Cubs
  • Buyer's Guide
  • Resources
  • Technical
    • Machine Numbers
    • Gear Clusters
    • Front Forks
    • Front Fork Oil Change
    • Condensers
    • Finding T.D.C.
    • External Oil Filter
    • Lucas Energy Transfer
    • 12V Conversion
    • Fitting Indicators to a Tiger Cub
    • Fitting a Craven Luggage Rack
    • Spark Plugs and Sparks
    • Know your Alternator
    • Oil Pumps and Lubrication
    • PRS8 Switch Repair
    • T20 Oil Filter Kit
  • Your Stories
    • My Wee Cub
    • Denny's Terrier
    • A T20C Story
    • TR20 Cub Sorted
    • Saving Sylvia
    • My 1959 Tiger Cub
    • My First Restoration
    • Found in a Scrap Yard
    • My First Bike
    • Brand new out of the Box
    • On the Road after 40 years
    • First bike I ever Rode
    • The' Tarbuk' Conversion
    • A Tiger Cub in a Box
    • Aunt Tiny
    • Well-travelled Terrier
    • Mashooq's Tiger Cub
    • 48 Years with my Cub
    • Ready for the Arbuthnot
    • My Collection of Cubs
    • Mountain Cub and Cafe tales
    • My favourite Cub of all
    • A Cub in Norway
    • Beginning of a Terrier Restoration
    • An Ambush of Cubs
    • A T20C Cub (probably!)
    • A Moment Frozen in Time
    • Finally after 56 years!
    • Still riding Cubs after 60 years
    • A Lakeland Venture
    • Back to my Teens!
    • Terrier Tribulations!
    • Brian's Cub Special
    • Sold, Bought, Restored
    • It started with a Cub
    • A Family Connection
    • Cubs & Terriers in the Family
    • Benny's Tiger Cub
    • Tiger Cub Trials!
    • Getting my '59 Cub in '58
  • The Princeton Cubs
    • Class of 2009 - 2010
    • Class of 2010 - 2011
    • Class of 2011 - 2012
    • Class of 2012 - 2013
    • Class of 2013 - 2014
    • Class of 2014 -2015
    • Class of 2015 - 2016
    • Class of 2016 - 2017
    • Class of 2017 - 2018
    • Class of 2018 - 2019
    • Class of 2019 - 2020
  • Sporting Tales
    • Bonneville Speed Record
    • ISDT Success
    • Success in the Scottish
    • My 1961 International Six Days
  • TC&T Mysteries
    • The Terror
    • Who is this?
    • Mountain Cub Mystery
  • The Bermuda Connection
  • Buy - Sell - Swap
www.tigercubandterrier.com
Machine Numbering Sequence
​Due to discrepancies in the original factory records, it may never be possible to have a fully accurate database of engine and frame numbers, although what this section of the website will do, is provide a guide to those wishing to date their machines from the frame and engine numbers stamped into them.
 
What is known is that the Triumph factory at Meriden used one continuous series of numbers for all T15 Terrier and T20 Tiger Cub machines starting in July 1953 with Terrier T15 101 and going all the way through the Tiger Cub line to 100013.

The frame numbers were all preceded by the letter 'T', whereas the engine numbers were preceded by the model designation, e.g. T15, T20, T20C, etc.
 
At some time in 1964, Triumph's parent company BSA, decided frame numbers would also include and be preceded by the model designation; replacing the sole letter 'T' with 'T20'.
 
Machines produced after number 100013 took the BSA format of numbering. One that didn't use a continuous sequence but instead a rather confusing system that started at 101 to 2000, then 2001 and 3001.

​Unfortunately the BSA records make it impossible to give a totally accurate assessment of when each machine was produced due to the opening and closing serial number date not being recorded.
Picture
​Production years started on 1st August of the preceding year until 31st July of the actual year, e.g. the 1954 production year actually runs from 1st August 1953 through to 31st July 1954, 1955 production year runs from 1st August 1954 through to 31st July 1955, and so on.
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