Caterpillar D9 series
7 variants of this track type tractor series, in build order.
7variants
1958–1997era
Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Caterpillar D9D | 200-300 hp | 1958 | rare | — |
| Caterpillar D9E | 200-300 hp | 1960 | rare | — |
| Caterpillar D9G | 200-300 hp | 1971 | very common | 20% |
| Caterpillar D9H | 200-300 hp | 1977 | very common | 59% |
| Caterpillar D9L | 200-300 hp | 1983 | common | 74% |
| Caterpillar D9N | 200-300 hp | 1989 | common | 84% |
| Caterpillar D9R | 200-300 hp | 1997 | known | 94% |