What catalog is my truck

I am not sure exactly what you mean by "catalog H or B" If you wish to buy a repair/maintenance manual there several available, some more expensive and complete than others. Examples1) https://www.rockauto.com/en/catalog/toyota,1993,t100,3.0l+v6,1278659,literature,repair+manual,10335 Then a most complete package 2) https://www.ebay.com/itm/1998-TOYOTA-T100-T-100-TRUCK-Service-Shop-Repair-Manual-Set-OEM-W-EWD- Bulletin/401179563981? _trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D1%26asc%3D225074%26meid%3De1a1e3aeb9504a5f904418f3ffbefb6e%26pid%3D100005% 26rk%3D1%26rkt%3D12%26mehot%3Dpf%26sd%3D352982287322%26itm%3D401179563981%26pmt%3D1%26noa%3D0%26pg%3D2047675%26alg v%3DSimplAMLv5PairwiseWebHighAdRateDecay&_trksid=p2047675.c100005.m1851 hope this helps

I am not sure exactly what you mean by "catalog H or B" If you wish to buy a repair/maintenance manual there several available, some more expensive and complete than others. Examples1) https://www.rockauto.com/en/catalog/toyota,1993,t100,3.0l+v6,1278659,literature,r epair+manual,10335 Then a most complete package 2) https://www.ebay.com/itm/1998-TOYOTA- T100-T-100-TRUCK-Service-Shop-Repair-Manual-Set-OEM-W-EWD- Bulletin/401179563981? _trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D1%26asc%3D225074 %26meid%3De1a1e3aeb9504a5f904418f3ffbefb6e%26pid%3D100005%26rk%3 D1%26rkt%3D12%26mehot%3Dpf%26sd%3D352982287322%26itm%3D401179 563981%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv 5PairwiseWebHighAdRateDecay&_trksid=p2047675.c100005.m1851 hope this helps

I am not sure exactly what you mean by "catalog H or B" If you wish to buy a repair/maintenance manual there several available, some more expensive and complete than others. Examples1) https://www.rockauto.com/en/catalog/toyota,1993,t100,3.0l+v6,1278659,literature,r epair+manual,10335 Then a most complete package 2) https://www.ebay.com/itm/1998-TOYOTA- T100-T-100-TRUCK-Service-Shop-Repair-Manual-Set-OEM-W-EWD- Bulletin/401179563981? _trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D1%26asc%3D225074 %26meid%3De1a1e3aeb9504a5f904418f3ffbefb6e%26pid%3D100005%26rk%3 D1%26rkt%3D12%26mehot%3Dpf%26sd%3D352982287322%26itm%3D401179 563981%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv 5PairwiseWebHighAdRateDecay&_trksid=p2047675.c100005.m1851 hope this helps