The company gave reporters and photographers a look at the line Tuesday as production increases from 35 planes a month.
Boeing has a big backlog for the best-selling jetliner that was introduced in 1979.
The current version, called the next-generation 737, is the most widely flown jetliner in the world. Boeing plans to increase production next year to 42 per month.
By 2017 Boeing expects to start delivering the newest version, the 737Max.
MORE HBJ HEADLINES
Plan for money and meaning in your retirement Briefs: WSU wins CleanTech Alliance award Wave of Chinese investment coming to Western Washington? Popular Ford Escape gets a technology-rich update $160B deal to combine Pfizer and Allergan raises outcry Everyone loves same-day delivery, until they have to pay
Our new comment system is not supported in IE 7. Please upgrade your browser here.