How many Caterpillar C7 and C9 injectors are there?
There are approximately 65 different Caterpillar OEM part numbers for the C7 and C9 injector. These part numbers are related to the 7 remanufacturing numbers of primary Caterpillar 10R4761,10R4762,10R4763,10R7221,10R7222,10R7223,10R7224.
When did the Caterpillar C7 diesel engine come out?
Caterpillar began selling the C7 and C9 in 2003 and this production reached the 2009 model. Caterpillar designed the C7 and C9 to meet the new EPA requirements. The C7 and C9 diesel engine was a perfect solution for many medium-duty truck and bus manufacturers. The engine was an option available at Ford, Freightliner and many other manufacturers.
When did Caterpillar start using tamerx diesel injectors?
TamerX offers a complete selection of premium quality factory-remanufactured diesel injectors for the Caterpillar C7 and C9 engine. Caterpillar began selling the C7 and C9 in 2003 and this production reached the 2009 model.
What kind of fuel system does caterpillar use?
The C7 and C9 fuel system is called the HEUI System due to the use of high pressure engine engine oil to feed the fuel injectors. There are approximately 65 different Caterpillar OEM part numbers for the C7 and C9 injector.
What are the remanufacturing numbers of a Caterpillar diesel injector?
These part numbers are related to the 7 remanufacturing numbers of primary Caterpillar 10R4761,10R4762,10R4763,10R7221,10R7222,10R7223,10R7224. The difference between these part numbers is the Horse Power engine. Before ordering your TamerX Diesel Diesel injectors be sure to purchase the part number of your injector.
Where does the oil go in a caterpillar injector?
Caterpillar used high pressure oil to squeeze fuel out of the injector nozzle. The injector has two compartments in the lower portion of the injectors body. One for high pressure oil to enter the injector and the other is to store incoming fuel which is provided by a pump at 80 psi.
Where do I find the trim code for my injector?
Some injectors will come with a disc containing the unique trim code file. The disc will go into a computer and the computer will get connected to the ECM. Some programming will run and the injectors serial numbers will be inputted, which tells the ECM all of the injection data. If an injector needs a trim code, it should come with one.
What kind of fuel does a cat C7 ACERT use?
In 2007 diesel fuel itself changed to Ultra Low Sulfur Diesel or ULSD. The fuel change dictated that the fuel system of the CAT C7 ACERT needed to change to a common-rail injection system. The new common-rail injectors took injection pressures to 25,000-27,500 psi. The fuel transfer pump supplies the fuel to the fuel rail at 280 psi.
What is the fuel delivery system on a cat C7?
The fuel delivery system on the CAT C7 is hydraulic electronically controlled unit injectors for the mid horsepower models and mechanically actuated and electronically controlled on the higher horsepower models. Both systems are metered and timed to inject multiple bursts of fuel to create a more efficient combustion cycle.