| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|---|---|---|---|---|
| IH B-Series 554 | 01.1974 - 12.1975 | 40 | 54 | 3382 | |
| IH B-Series 554 A | 01.1974 - 12.1975 | 40 | 54 | 3382 | |
| IH B-Series 644 | 01.1974 - 12.1980 | 44 | 60 | 3382 | |
| IH B-Series 644 A | 01.1974 - 12.1980 | 44 | 60 | 3382 | |
| IH B-Series 744 | 01.1974 - 12.1980 | 49 | 67 | 3911 | |
| IH B-Series 744 A | 01.1974 - 12.1980 | 49 | 67 | 3911 |