2026-03-30
0R-8786 is a genuinespecific-ation diesel fuel injector designed specifically for the c-aterpillar 3412 / 3412C engine series. It delivers reliable fuel atomization, stable injection pressure, and consistent performance for generator sets, marine engines, and industrial heavyduty applic-ations.
| Item | Specific-ation |
| Part Number | 0R-8786 |
| Engine Fit | c-at 3412 / 3412C / 3408B / 3408C |
| Type | Complete Fuel Injector Assembly |
| Net Weight | Approx. 2.14 kg |
| Material | Highstrength wearresistant alloy + precision components |
| Seal Level | Heavyduty industrial grade |
| Applic-ation Area | Suitable Models / Equipment |
| Generator Sets | 3412, 3412C, PM3412, SR500 |
| Marine Engines | 3412, 3412C marine propulsion |
| Industrial Power | SPS342, SPT342, SCT673 |
| Construction Machinery | Heavyduty dozers, pump drives |
| Parameter | Standard |
| Injection Type | Mechanical pressure atomization |
| Opening Pressure | Calibrated to c-at original standards |
| Spray Pattern | Factorymatched spray angle |
| Flow Rate Accuracy | ≤ ±3% |
| Operating Temperature | -40°C ~ 120°C |
| Reliability | Fully benchtested under load cycles |
| Item | Details |
| Manufacturing Standard | ISO 9001 + c-at original process |
| Testing Items | Sealing, flow rate, atomization, durability |
| Warranty | Standard industrial warranty for new / remanufactured units |
| Compatibility | Direct replacement, no modific-ation required |
The c-aterpillar 0R-8786 injector is precisionengineered for 3412 series highpower diesel engines. It features highprecision plunger and nozzle components that ensure accurate highpressure fuel delivery and uniform atomization, improving combustion efficiency, reducing fuel consumption, and lowering smoke emissions. Built to original c-at dimensions and performance specific-ations, this injector allows direct installation and is ideal for continuousduty applic-ations including generators, marine vessels, and industrial pump units. Constructed with wearresistant and corrosionresistant materials, it maintains stable performance under high temperatures and heavy loads, minimizing downtime and supporting reliable, longterm engine operation.