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CAT 3412 Injector 0R-8786: High-Performance Fuel Injection for Heavy-Duty Industrial Engines

2026-03-30

Latest company case about CAT 3412 Injector 0R-8786: High-Performance Fuel Injection for Heavy-Duty Industrial Engines

c-aterpillar 3412 Series Fuel Injector 0R-8786 – Product Details

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.

1. Core Basic Specific-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

2. Applic-ations & Compatible Equipment

 

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

3. Performance & Technical Data

 

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

4. Quality & Warranty

 

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

 


 

Product Description

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.