Machinery ·Komatsu ·Track Type Tractors
Komatsu D21A-7
The Komatsu D21A-7 is a track type tractor built by Komatsu. Most units reaching the used market were built around 1996. It is common in the North American used market. About 12% of units have an enclosed cab, 33% of those with air conditioning. Units are highly standardised (consistency score 89). Typical hours at resale: 2,000–5,000 h.
Overview
| Manufacturer | Komatsu |
|---|---|
| Type | Track Type Tractors |
| Category | Track Type Tractor, Dozer |
| Size class | 0-75 hp |
| Built around | 1996 |
| Used-market presence | common |
| Hours at resale | 2,000–5,000 h |
| Enclosed cab | 12% of units |
| Air conditioning | 33% of enclosed units |
| Configuration consistency | 89 / 100 |
How units are configured
Share of units observed in the used market with each option.
| Cab | OROPS 88% EROPS 8% EROPS w AC 4% |
|---|---|
| Transmission | Standard 81% Powershift 17% Hydrostatic 2% |
| Hydraulics | 2 Valve 94% Standard 2% 3 Valve 2% Auxiliary 2% |
| Blade type | PAT 93% No 4% Straight 3% |
Other Komatsu D21 variants
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Komatsu D21PL-5 | 0-75 hp | — | rare | — |
| Komatsu D21PG | 0-75 hp | — | rare | — |
| Komatsu D21PL-6 | 0-75 hp | — | rare | — |
| Komatsu D21P-5A | 0-75 hp | 1984 | rare | — |
| Komatsu D21A-5 | 0-75 hp | 1985 | known | 19% |
| Komatsu D21E-6 | 0-75 hp | 1988 | known | — |
| Komatsu D21A-6 | 0-75 hp | 1990 | common | 18% |
| Komatsu D21P-6LGP | 0-75 hp | 1990 | rare | — |
| Komatsu D21P-6 | 0-75 hp | 1991 | common | 11% |
| Komatsu D21A | 0-75 hp | 1992 | known | — |
| Komatsu D21P-7LGP | 0-75 hp | 1992 | rare | — |
| Komatsu D21P-5 | 0-75 hp | 1994 | known | 11% |
| Komatsu D21P-5LGP | 0-75 hp | 1995 | rare | — |
| Komatsu D21P-7E | 0-75 hp | 1996 | rare | — |
| Komatsu D21Q7 | 0-75 hp | 1996 | rare | — |
| Komatsu D21 | 0-75 hp | 1997 | rare | — |
| Komatsu D21A-7E | 0-75 hp | 1997 | rare | — |
| Komatsu D21P | 0-75 hp | 1998 | known | 17% |
| Komatsu D21P-7 | 0-75 hp | 1998 | known | 11% |
| Komatsu D21PL | 0-75 hp | 1998 | rare | — |
Comparable machines from other brands
| Model | Make | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|---|
| Caterpillar D3B | Caterpillar | 0-75 hp | 1984 | very common | 6% |
| John Deere 450H | John Deere | 0-75 hp | 2001 | very common | 8% |
| Caterpillar D3CIII | Caterpillar | 0-75 hp | 1996 | very common | 6% |
| Caterpillar D3CIIILGP | Caterpillar | 0-75 hp | 1997 | very common | 6% |
| John Deere 450 | John Deere | 0-75 hp | 1980 | very common | 2% |
| Caterpillar D3 | Caterpillar | 0-75 hp | 1977 | common | 4% |
| Caterpillar D3BLGP | Caterpillar | 0-75 hp | 1984 | common | 4% |
| Caterpillar D3C | Caterpillar | 0-75 hp | 1989 | common | 6% |
Source
Configuration profiles derived from North American auction records, used with the data owner's permission. Figures describe units observed in the used market, not factory specifications.