cummins n14 air compressor

Diesel power drove the Cummins N14 engine during its thirteen-year production run from 1988 to 2001. Offered in both naturally aspirated and turbocharged configurations, the turbocharged version of the N14 could include either a variable geometry turbocharger or a wastegate. By the end of 2001, the N14 had been officially superseded by the potent ISX engine.

Boasting tremendous popularity during its time, the Cummins N14 heavy duty diesel engine was a staple in an array of setups – from over the road trucks to vocational sites and all the way to agricultural facilities. This dexterous device was a trusty choice, renowned for its durability, dependability and ingenuity in preserving fuel.

Becoming available in four different horsepower ratings, the naturally aspirated N14 was a force to be reckoned with. From an impressive 275 to a maximum of 415 horses, this was a powerful engine. Hoping to take things further, the turbocharged version of the N14 came in six variations ranging from a modest 325 to an impressive 395 hp peak output. The latter was actually the highest rating for an N14 engine. Additionally, this turbocharged version was available in two styles: one with a conventional wastegate and another with a much more sophisticated variable geometry turbocharger.

The N14 came in two transmission types—manual and automatic. Those with a manual gearbox had the familiar Eaton Fuller 5-speed setup, and those who preferred a smoother ride opted for an Allison 4-speed for the automatic option.

Employing a Bosch VP44 rotary injection pump, the N14 was able to inject 160 gallons of fuel every sixty seconds. In addition, it had the capacity to modify its injection timing.

The N14 had the option to be outfitted with either a 2-valve or 3-valve system, Depending on which variant was chosen, the engine was complemented by either a Bosch inline injection pump or a Bosch VP44 rotary injection pump.

The N14 was a product of the Cummins Engine Company, with assembly taking place in Juarez, Mexico and Columbus, Indiana. Construction of this particular engine model was split between two of the company’s locations, allowing them to maximize its production and efficiency.

For those looking to add a little something extra to their N14, a cornucopia of options and accessories were on offer, such as air conditioning, power steering, cruise control, and a sunroof for outdoor amusement.

Built to be resilient and fuel-efficient, the N14 was well-regarded as a dependable engine choice. Its diverse range of power outputs lent even more appeal, ensuring the N14 saw widespread use until its eventual replacement by the ISX in 2001.

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