DC8124: single-head, single motor → mid-capacity
DC8228: dual-head, dual motor → higher capacity, redundancy
| Feature | DC8124 | DC8228 |
|---|---|---|
| Compressor heads | 1 head | 2 heads |
| Motors | 1 motor | 2 motors |
| Horsepower (total) | 2.0 HP | 4.0 HP (2 × 2.0 HP) |
| Tank size | ~10 gal | ~20 gal |
| Air output (CFM @ ~80 PSI) | ~9.8 CFM | ~20 CFM |
| Recommended users | 3–4 | 7–8 |
| Oil-less | Yes | Yes |
| Redundancy | No | Yes (can run on one head if the other fails) |
| Electrical load | Lower | Higher |
| Physical size / weight | Smaller / lighter | Larger / heavier |