Case 1150M Stage 3B Crawler Dozer description of the catalogue:

Crawler Dozer 1150M Tier 3 workshop service manuals

1150M Long Track (LT) - Tier 4B (final) and Stage IIIB [NGC105100 - ]
1150M Wide Track (WT) / Low Ground Pressure (LGP) - Tier 4B (final) and
Stage IIIB [NGC105100 - ]