What beetle the gearbox code AH is out of?

according to sean bartnik at

AH is 1973-1974 1600cc(8mm head studs w/ case savers) Joseph Mpora

Jo=E3o

IIRC, the number should be on the right side of the case, somewhere around the bottom.

TRANSMISSION CODES AA 1200 4.375 from chassis No 0 981 810 AB 1300 4.375 Up to 8/70 AC 1500 4.125 Also some 1300 from 8/70 AD 1200 4.375 Limited Slip Differential (LSD) AE 1300 4.375 Limited Slip Differential (LSD) AF 1500 4.125 LSD up to 8/70; also some 1300 from 8/70 AG 1200 4.375 Type 147 (Fridolin) AH 1500 4.125 IRS suspension from 8/68 AH 1600 4.125 8/69-8/72 AK 1500 3.875 Type 181 Trekker up to 8/70 AK 1600 3.875 Type 181 Trekker from 8/70 AL 1500 3.875 Type 181 with LSD to 8/70 AL 1600 3.875 Type 181 with LSD from 8/70 AM 1300 4.375 Saloon and Cabrio from 8/70 AN 1600 3.875 Karmann Ghia IRS from 8/70 AO 1600 3.875 Karmann Ghia from 8/70 AP 1300 4.375 LSD from 8/70 AQ 1600 4.125 LSD 8/70-8/72 AR 1600 3.875 K-Ghia LSD from 8/70 AS 1600 3.875 Type 1 from 8/72 AT 1600 3.875 1303S and Cabrio from 8/72 AU 1600 3.875 Ditto with LSD BA 1300 4.375 Semi-auto from 8/68-8/70 BA 1500 4.375 Semi-auto from 8/68-8/70 BC 1300 4.375 Ditto with LSD BC 1500 4.375 Ditto with LSD BE 1600 4.125 Semi-auto from 8/70-8/71 BF 1600 4.125 Ditto with LSD BG 1300 4.125 K-Ghia semi-auto from 8/70 BH 1300 4.125 Ditto with LSD BJ 1300 4.375 Semi-auto from 8/70 BK 1300 4.375 Ditto with LSD DA 1500 4.125 Type 3 swing-axle to 8/68* DA 1600 4.125 Type 3 swing-axle to 8/68* DB 1500 4.125 Ditto with LSD* DB 1600 4.125 Ditto with LSD* DC 1500 4.125 Type 3 with IRS from 8/68 DC 1600 4.125 Type 3 with IRS from 8/68 DD 1500 4.125 Ditto with LSD DD 1600 4.125 Ditto with LSD

*Note that reinforced swing-axle design was available on post 8/68 Type 3 models as an option (M263)