10R-0781 is a highprecision HEUI diesel fuel injector assembly, professionally engineered for c-aterpillar 3412/3412C/3408/3408C engines. It delivers stable injection pressure, uniform fuel atomization, and longlasting reliability for generator sets, marine propulsion, industrial power units, mining machinery, and heavyduty construction equipment.
| Item | Specific-ation |
| Part Number | 10R-0781 |
| Cross Reference | 197-7107, 222-5966, 198-6605 |
| Engine Fit | c-at 3412 / 3412C / 3408 / 3408C / 3126B |
| Product Type | HEUI Fuel Injector Assembly |
| Net Weight | Approx. 2.01 kg |
| Material | Highstrength wearresistant alloy + precision mating components |
| Seal Grade | Heavyduty industrial |
| Applic-ation | Suitable Models & Equipment |
| Generator Sets | 3412, 3412C, PM3412, SR500 |
| Marine Engines | 3412/3412C main & auxiliary propulsion |
| Industrial Power | Pump units, compressors, SPS342, SPT342 |
| Construction & Mining | Heavy dozers, mining trucks, loaders, drilling equipment |
| Parameter | Standard |
| Injection Type | HEUI highpressure atomization |
| Opening Pressure | Calibrated to c-at original factory specs |
| Spray Pattern | OEMmatched spray angle & uniformity |
| Flow Rate Accuracy | ≤ ±3% |
| Operating Temperature | -40°C ~ 120°C |
| Testing | 100% flow & leakage bench tested |
| Item | Details |
| Manufacturing Standard | ISO 9001 + c-at original process |
| Test Items | Sealing, flow rate, atomization, durability |
| Warranty | Standard industrial warranty (new/remanufactured) |
| Installation | Direct replacement, no modific-ation required |
The c-aterpillar 10R-0781 HEUI fuel injector is precisionengineered for 3412 series highpower diesel engines, featuring premium precisionmachined plunger–barrel sets and optimized nozzle geometry to ensure accurate highpressure fuel delivery and consistent atomization. This improves combustion efficiency, reduces fuel consumption, lowers exhaust smoke, and enhances overall engine power stability. Built to original c-at dimensional and performance specific-ations, the 10R-0781 enables direct, hasslefree replacement and is ideal for continuous heavyduty operation in generators, marine vessels, industrial pump systems, and mining/construction equipment. Constructed with wearresistant, corrosionproof materials and validated by strict factory testing, it maintains reliable performance under high loads and extreme temperatures, minimizing downtime and supporting longterm engine durability.
10R-0781 is a highprecision HEUI diesel fuel injector assembly, professionally engineered for c-aterpillar 3412/3412C/3408/3408C engines. It delivers stable injection pressure, uniform fuel atomization, and longlasting reliability for generator sets, marine propulsion, industrial power units, mining machinery, and heavyduty construction equipment.
| Item | Specific-ation |
| Part Number | 10R-0781 |
| Cross Reference | 197-7107, 222-5966, 198-6605 |
| Engine Fit | c-at 3412 / 3412C / 3408 / 3408C / 3126B |
| Product Type | HEUI Fuel Injector Assembly |
| Net Weight | Approx. 2.01 kg |
| Material | Highstrength wearresistant alloy + precision mating components |
| Seal Grade | Heavyduty industrial |
| Applic-ation | Suitable Models & Equipment |
| Generator Sets | 3412, 3412C, PM3412, SR500 |
| Marine Engines | 3412/3412C main & auxiliary propulsion |
| Industrial Power | Pump units, compressors, SPS342, SPT342 |
| Construction & Mining | Heavy dozers, mining trucks, loaders, drilling equipment |
| Parameter | Standard |
| Injection Type | HEUI highpressure atomization |
| Opening Pressure | Calibrated to c-at original factory specs |
| Spray Pattern | OEMmatched spray angle & uniformity |
| Flow Rate Accuracy | ≤ ±3% |
| Operating Temperature | -40°C ~ 120°C |
| Testing | 100% flow & leakage bench tested |
| Item | Details |
| Manufacturing Standard | ISO 9001 + c-at original process |
| Test Items | Sealing, flow rate, atomization, durability |
| Warranty | Standard industrial warranty (new/remanufactured) |
| Installation | Direct replacement, no modific-ation required |
The c-aterpillar 10R-0781 HEUI fuel injector is precisionengineered for 3412 series highpower diesel engines, featuring premium precisionmachined plunger–barrel sets and optimized nozzle geometry to ensure accurate highpressure fuel delivery and consistent atomization. This improves combustion efficiency, reduces fuel consumption, lowers exhaust smoke, and enhances overall engine power stability. Built to original c-at dimensional and performance specific-ations, the 10R-0781 enables direct, hasslefree replacement and is ideal for continuous heavyduty operation in generators, marine vessels, industrial pump systems, and mining/construction equipment. Constructed with wearresistant, corrosionproof materials and validated by strict factory testing, it maintains reliable performance under high loads and extreme temperatures, minimizing downtime and supporting longterm engine durability.