The Pratt & Whitney JT8D is a low-bypass (0.96 to 1) turbofan engine introduced by Pratt & Whitney in February 1963 with the inaugural flight of the Boeing 727. It was a modification of the Pratt & Whitney J52 turbojet engine which powered the US Navy A-6 …

Pratt & Whitney introduced the JT8D to commercial aviation in 1964 with the inaugural flight of Boeing's 727-100 aircraft. The JT8D engine has proven itself to be a highly durable and …

2018年6月18日 · 波音737-200的一大特色就是独有的JT8D蚌式雪茄发动机。 JT8D-9A,普惠公司生产的早期低函道比 (0.96比1)涡扇引擎.初代JT8D发动机于1963年首次装配在波音727飞机上,为普惠J52涡喷发动机的改进型.后期的JT8D-200系列将函道比增至（1.74比1）。

波音737-JT8D，是波音737飞机的一个型号。 2009年7月29日，根据《商业周刊》的统计，波音737-JT8D因致命事故间隔时间（某机型安全飞行总时间，下同）只有50.7万小时。

2020年6月11日 · 初代737的发动机和DC-9以及727一样，都是普惠的JT8D。 当年的普惠如日中天，在美国航发市场绝对统治地位。 波音要求普惠做一款更大涵道比，更高效省油的发动机，再配合其它更新，增加737的产品力出一代更新款再大卖，也就是737第二代Classic。

2011年9月12日 · One of the most significant improvements in the powerplant has been to the noise levels. The original JT8D-9 engines in 1967 produced 75 decibel levels, enough to disrupt normal conversation indoors, within a noise contour …

2013年6月16日 · 第一代波音737 Original（-100/200）用的是普惠公司（Pratt & Whitney）的JT8D发动机； 第二代波音737 Classic（-300/400/500）开始换装CFM公司的CFM-3B发动机；

2014年2月10日 · The JT8D-Standard engine family covers a thrust range from 14,000 to 17,000 pounds, while the newer JT8D-200 engine family offers 18,500 to 21,700 pounds of thrust. The JT8D engine's first application was on the Boeing 727 trijet.

More than 350 operators use the JT8D to power more than 4500 aircraft - nearly a third of the world's commercial fleet. By setting the industry standard for low maintenance cost, the JT8D helps make Boeing 727's, 737-200's, and McDonnell Douglas DC-9's and MD-80'sthe most economic aircraft to own and operate.

The JT8D is an axial flow, dual spool, low bypass ratio, fully ducted turbofan. It's specification depends on the dash model. A standard directional reference makes it easy to locate components and parts of the engine. Look at the engine from the …