| Engine S/N Base | Engine S/N First | Engine S/N Last |
|---|---|---|
| 66B | 970 | 2048 |
| Category: Bulldog Gasket Kits -> Caterpillar -> Engine (Cat Kit Numbers) -> Industrial | ||
| 67B | 347 | 919 |
| Category: Bulldog Gasket Kits -> Caterpillar -> Engine (Cat Kit Numbers) -> Marine | ||
| 67B | 920 | 1390 |
| Category: Bulldog Gasket Kits -> Caterpillar -> Engine (Cat Kit Numbers) -> Marine | ||