| Model Num | Machine S/N Base | Machine S/N First | Machine S/N Last |
|---|---|---|---|
| 6650, 6650LC, 6650SE | |||
| Category: Bulldog Hydraulic Kits -> International Harvester -> Excavators | |||
| PC650 (SERIES 3 & 5) | * | A25001 | UP |
| Category: Bulldog Hydraulic Kits -> Komatsu -> Excavators | |||
| PC650 (SERIES 3 & 5) | * | 20001 | UP |
| Category: Bulldog Hydraulic Kits -> Komatsu -> Excavators | |||