Gearbox Identification Puzzle
#1
Gearbox Identification Puzzle
I have a Mark 2 that has had a gearbox and overdrive installed from what I believe is a Mark X.
The overdrive type number is 28/60552 which makes perfect sense, however the gearbox number is KZN212 which seems very unusual. All the Mark X's gearboxes that I have seen listed have the letter prefix string JZN where Z refers to Mark X. I wonder the significance of the K.
All I can think of is that they ran out of digits and K comes after J.
Does any reader have a better idea?
This number is stamped on the casting on a raised pad at the rear of the box.
Thanks
Bruce Murray
Boston MA
The overdrive type number is 28/60552 which makes perfect sense, however the gearbox number is KZN212 which seems very unusual. All the Mark X's gearboxes that I have seen listed have the letter prefix string JZN where Z refers to Mark X. I wonder the significance of the K.
All I can think of is that they ran out of digits and K comes after J.
Does any reader have a better idea?
This number is stamped on the casting on a raised pad at the rear of the box.
Thanks
Bruce Murray
Boston MA
#2
Reading your post prompted me to go upstairs and pull out Paul Skilleter's book on the Jaguar saloons. I have had this book since about 1981, (it was published 1980). The chapter on the Mark 10 tells us that initially the Borg-Warner DG box was fitted, but later, in October 1964, the box was changed to the BW Model 8. this accompanying many other changes including the engine going to from 3.8 to 4.2 litres.
Unfortunately I don't know anything about the numbering system you describe. Incidentally, the book says nothing about which auto gearbox was fitted to the Mark 2, but it will be a Borg Warner unit that was available in 1959, the year the Mark 2 was announced.
Unfortunately I don't know anything about the numbering system you describe. Incidentally, the book says nothing about which auto gearbox was fitted to the Mark 2, but it will be a Borg Warner unit that was available in 1959, the year the Mark 2 was announced.
#3
#4
The Mark IX gearbox manual with overdrive can be sorted on Jag-Lovers.org, the have a whole page dedicated to the line of manuals. BW designates auto. JS, JN, JL, all are manuals. There are shaved gears, cut gears, long gears. Cannot remember them all better check page. Also, Saloondata.com, if numbers entered will show model trans came from.
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