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Old 07-31-2008, 01:50 PM   #6
Twyfer
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Join Date: Jul 2008
Location: Calgary, Alberta
Posts: 74
5 yr Member HT/PT Owner
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OK, perhaps it wasn't clear. According to the Segway Wiki the dates on which the various models were available are:

i167 March 2003 to October 2004
e167 June 2003 to January 2005
p133 October 2003 to June 2006
i170 June 2004 to March 2005
i180 March 2005 to August 2006
XT March 2005 to August 2006
GT March 2005 to August 2006
i2 August 2006 to present
X2 August 2006 to present

And according to the tech support people the first part of a serial number gives the day and week the model was manufactured on. So for example, if it starts with 0734 (year 2007, week 34) you know you it's an i2 or x2 made about September last year.

Because some of the models were produced at the same time (p133, i180, XT, GT) you can't always tell which model it is. But you can tell which it
ISN'T. For example, 0510 (Year 2005, week 10) is either a p133 or an i170.
And this is only roughly accurate because the actual production dates would tend to start before and finish before the availability dates. So you might find on the first i180's was actually manufactured late in February 2005.

Bentbiker, I'm curious as to what the fourth digit of the serial number on your i2 is. I have an i180 with a serial of 0622. It must have been one of the last i180's and yours one of the very first i2's.
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