Cummins is the world's largest independent engine manufacturer. Its product line includes diesel and alternative fuel engines, key engine components (fuel system, control system, intake air treatment, filtration system and exhaust gas treatment system) and power generation system.

Cummins C8.3 Series Diesel Engine

Cummins C8.3 engine is widely used in construction machinery, diesel engine, agriculture and logging industry, crane, excavator, bulldozer and other equipment. Up to now, the sales volume of c-series engines in the world has exceeded one million. They work under the worst and most severe operating conditions, and have accomplished their tasks excellently. The in-line fuel pump of Cummins C8.3 engine can produce higher injection pressure and make combustion cleaner. C8.3 engine can meet the first stage emission standard of European and American non highway, and the second stage emission standard can be achieved after air-to-air intercooling is added.

C8.3 engine is widely used in construction machinery, including loader, grader, excavator, large tonnage roller, paver, concrete pump, bulldozer, small milling machine and airport ground handling equipment.

Model: C8.3 

Displacement: 8.3L

Number of cylinders: 6

Power range: 185-260 HP 

Control mode: Mechanical

Emission: meet the first and second stage emission standards of European and American non Highway motor equipment (Tier 1 / Tier 2)

Advantages of 8.3 Series Engines: 

1. Advanced design and manufacturing design, exquisite manufacturing technology, reliable and durable.

2. Under high injection pressure, combustion is more full, energy loss is less, power is stronger and fuel adaptability is strong.

3. Holset supercharger with integral wastegate has strong low-speed response and power.

4. The number of integrated design parts is nearly 25% less than similar products, with lower failure rate and more convenient maintenance.

5. Excellent reliability cylinder liner adopts platform honing design and corrosion-resistant high nickel cast iron piston, greatly reducing oil loss, enhancing durability and longer service life.

8.3 Cummins Injectos

Because of the excellent performance of 8.3 series engine, 8.3 Cummins injectors are also very popular.

Some models of fuel injector for Cummins 8.3 engine are on sale in our shop:

8.3 Cummins Injectors 3802648

8.3 Cummins Injectors 3867043

8.3 Cummins Injectors 3938431

8.3 Cummins Injectors 3931262

8.3 Cummins Injectors 3283160

8.3 Cummins Injectors 3802098

8.3 Cummins Injectors 3908511

8.3 Cummins Injectors 3908513

8.3 Cummins Injectors 2973059

8.3 Cummins Injectors 4025299

If you need more models of 8.3 Cummins injectors, please contact us.

Tips for trouble shooting of fuel Injectors (same for 8.3 Cummins injectors):

1Llittle or no oil injection:

(1) There is air in the oil circuit of the fuel system to remove the air in the high-pressure or low-pressure oil pipe

(2) Grinding or replacement of nozzle parts

(3) The fuel supply of the fuel injection pump is not normal. Find out the causes according to the troubleshooting method of the fuel injection pump

(4) If the high-pressure oil pipe leaks oil, tighten the nut and replace if there is any crack in the oil pipe

(5) Wear replacement or repair of fuel injection nozzle parts

2 Low injection pressure:

(1) The pressure regulating screw is loose and readjusted to the specified pressure as required, and the lock nut is tightened

(2) Deformation adjustment or replacement of pressure regulating spring

(3) Needle valve stuck cleaning or grinding

(4) Wear repair or replacement of spring seat, ejector pin and other parts

3 Too high injection pressure:

(1) Readjust the high spring force of the pressure regulating spring to the specified pressure and tighten the lock nut.

(2) Stick, clean or grind the needle valve.

(3) Clean the nozzle or replace the nozzle (nozzle) if the nozzle is blocked.

4 Fuel injector leakage:

(1) The pressure regulating spring is broken and replaced with a new one

(2) Replacement of damaged needle valve body seating surface

(3) Cleaning, grinding or replacement of needle valve

(4) Change of tightening cap

(5) Flat wear repair or replacement of injector body

5 Poor spray atomization:

(1) If the injection pressure is low, adjust it to the specified pressure.

(2) The seat surface of fuel injection nozzle is damaged or burnt, and it shall be repaired or replaced.

(3) If there is garbage on the fitting surface of the nozzle, clean it in time.

6 Injection line:

(1) Steel wire with diameter of 0.2-0.3mm shall be used to dredge the orifice for orifice plugging.

(2) Replace the needle valve body with a new one due to excessive wear of the needle valve body seating surface.

(3) The needle valve is locked, cleaned, grinded or replaced.

7. Check the cooling system if the surface of needle valve is burnt or blue black (diesel engine overheating), and pay attention to replace the coupling. Do not overload the diesel engine for a long time.

Top Click About 8.3 Cummins Injectors Leaderboard

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