| Part Number | 5226440 (Verify for exact engine model) |
| Engine Series | Detroit Diesel 71 Series (3-71, 4-71, 6-71, etc.) |
| Injector Type | Mechanical, poppet-style (two-stroke application) |
| Spray Pressure | 3000 psi (opening/"pop" pressure, varies slightly by application) |
| Nozzle Type | Multi-orifice (typically 4-6 holes for atomization) |
| Flow Rate | Varies by HP rating (e.g., ~50–70 mm³ per stroke at full load) |
| Torque Spec | 35–40 ft-lbs (for installation) |
| Seal Type | Copper crush washer (reusable in some cases, but replacement recommended) |
| Fuel Compatibility | Standard diesel (No. 2) or low-sulfur diesel (avoid biodiesel > B20) |
| Common Failures | Clogged nozzles, worn poppet valves, carbon buildup, pressure loss |
| Lifetime | 5,000–10,000 hrs (depends on fuel quality and maintenance) |
