| Model Num | Machine S/N Base | Machine S/N First |
|---|---|---|
| 966A | 33A | 1559 |
| Category: Bulldog Hydraulic Kits -> Caterpillar -> Wheel Loaders | ||
| 977H | 53A | 3269 |
| Category: Bulldog Hydraulic Kits -> Caterpillar -> Crawler Loaders | ||
| 977D, 977E | 20A | 1 |
| Category: Bulldog Hydraulic Kits -> Caterpillar -> Crawler Loaders | ||
| 977D, 977E | 57D | 1 |
| Category: Bulldog Hydraulic Kits -> Caterpillar -> Crawler Loaders | ||
| 977D, 977E | 77H | 1 |
| Category: Bulldog Hydraulic Kits -> Caterpillar -> Crawler Loaders | ||