Caterpillar D4 series
28 variants of this track type tractor series, in build order.
28variants
1968–2008era
Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Caterpillar D4HIIILGP | 75-100 hp | — | rare | — |
| Caterpillar D4DSA | 0-75 hp | 1968 | rare | — |
| Caterpillar D4D | 0-75 hp | 1972 | common | 7% |
| Caterpillar D4DLGP | 0-75 hp | 1974 | rare | — |
| Caterpillar D4ELGP | 75-100 hp | 1981 | known | 31% |
| Caterpillar D4E | 75-100 hp | 1981 | common | 10% |
| Caterpillar D4ESA | 75-100 hp | 1982 | rare | — |
| Caterpillar D4BLGP | 75-100 hp | 1987 | rare | — |
| Caterpillar D4B | 75-100 hp | 1987 | known | 7% |
| Caterpillar D4H | 75-100 hp | 1987 | very common | 13% |
| Caterpillar D4HLGP | 75-100 hp | 1988 | common | 19% |
| Caterpillar D4CLGP | 75-100 hp | 1989 | known | 21% |
| Caterpillar D4C | 75-100 hp | 1989 | common | 6% |
| Caterpillar D4HII | 75-100 hp | 1991 | common | 15% |
| Caterpillar D4CIILGP | 75-100 hp | 1992 | known | 20% |
| Caterpillar D4CII | 75-100 hp | 1992 | common | 12% |
| Caterpillar D4HIILGP | 75-100 hp | 1993 | very common | 29% |
| Caterpillar D4HIIIXL | 75-100 hp | 1995 | common | 15% |
| Caterpillar D4HXL | 75-100 hp | 1996 | rare | — |
| Caterpillar D4CIII | 75-100 hp | 1996 | common | 7% |
| Caterpillar D4CIIILGP | 75-100 hp | 1997 | common | 11% |
| Caterpillar D4CXL | 75-100 hp | 1999 | rare | — |
| Caterpillar D4CIIIXL | 75-100 hp | 1999 | common | 13% |
| Caterpillar D4G | 75-100 hp | 2002 | common | 25% |
| Caterpillar D4GLGP | 75-100 hp | 2004 | common | 28% |
| Caterpillar D4GXL | 75-100 hp | 2005 | common | 30% |
| Caterpillar D4KXL | 75-100 hp | 2008 | rare | — |
| Caterpillar D4KLGP | 75-100 hp | 2008 | rare | — |