Can anyone identfy which of the following is a diesel box?

got all the information that is written on the gearboxes.
below are the numbers that are listed on the plate + the numbers that are written on the housing.

i need to identify what box i have since i need to get more top speed and longer gears.

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My Fiesta
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89WT DE
505 3M07

87TT-7F096-AB
IV/H

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89WT DA
F0G 9H 17B

87TT-7F096-AB
XIV/1

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89WT DB
F0G 2J 09A

87TT-75096-AB
I/5

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Just for the record, the below is from a 1995 Fiesta mk3 1.1petrol
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on the plate
87WT FAC
F0F 5D20

on the housing
87TT-7F096-AB
VIII/H