[jogi730]

Managed to get hold of the information I was after.

Code letters CYT

Allocation Model: Audi A6 TDI
Engine: 2.5 l - 103 kW

Ratio Final drive 37 : 9 = 4.111
(Z2 : Z1=i) 1st gear 28 : 8 = 3.500
2nd gear 34 : 18 = 1.889
3rd gear 33 : 26 = 1.231
4th gear 27 : 31 = 0.871
5th gear 26 : 39 = 0.667
6th gear 23 : 41 = 0.561
Reverse gear 38 : 11 = 3.455

Speedometer Electronic
Capacity 2.7 litres
Specification Gear oil G 052 911 A SAE 75 W 90 (synthetic oil)
Clutch mechanism Hydraulic
Clutch plate dia. 240 mm
Drive shaft flange dia. 130 mm