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Which Jets Have Changed Engine Maker?  
User currently offlineTimz From United States of America, joined Sep 1999, 6796 posts, RR: 7
Posted (13 years 6 days 20 hours ago) and read 1238 times:

That is, how many airliners have had their engines removed and replaced with engines from a different maker? The DC-8-60 to -70 conversions, the UPS 727s that went from JT8Ds to Tays, the 707/CFM56 prototype, and...? Any others come to mind? (We'll consider that bizjets aren't airliners.)

9 replies: All unread, jump to last
User currently offlineCX flyboy From Hong Kong, joined Dec 1999, 6588 posts, RR: 55
Reply 1, posted (13 years 6 days 2 hours ago) and read 1187 times:

Didn't Atlas (Or was it Polar) have engine changes on some of their aircraft to make them fit into the rest of the fleet. These weren't upgrades, like the ones you mentionned, just type changes.

Cathay bought two of the test A330-300s from Airbus, and at least one of them had Rolls Royce engines installed where they were previously something else. Then there is 777 number 1 "Working Together" that had PW engines but now flies for Cathay with Rolls Royce engines.

User currently offlineTimz From United States of America, joined Sep 1999, 6796 posts, RR: 7
Reply 2, posted (13 years 5 days 22 hours ago) and read 1171 times:

Thanks-- I wasn't aware of any of those. So in addition to the original question, how about: what other airliners, if any, have changed enginemaker after having gone into service? Can anyone confirm the 747 freighters?

User currently offlineYaki1 From , joined Dec 1969, posts, RR:
Reply 3, posted (13 years 5 days 18 hours ago) and read 1162 times:

Atlas definitly replaced some Pratts with GE's, I saw a -200 in work at the Boeing Mod. center in Wichita.

User currently offlineSouthflite From , joined Dec 1969, posts, RR:
Reply 4, posted (13 years 4 days 13 hours ago) and read 1149 times:

> Can anyone confirm the 747 freighters?


User currently offlineAA737-823 From United States of America, joined Mar 2000, 5731 posts, RR: 11
Reply 5, posted (13 years 3 days 17 hours ago) and read 1138 times:

Well, British cancelled their orders for GE-90 powered 777s and replaced them with Rolls powered. Who knows- maybe they will remove the GE's and stick on some Rolls...


User currently offlineTupolev154B2 From United States of America, joined Jun 2000, 1332 posts, RR: 2
Reply 6, posted (13 years 3 days 16 hours ago) and read 1134 times:

Didn't ATA or AWA order Pratt 757's initially before selling them for the Rolls version?

User currently offlineTimz From United States of America, joined Sep 1999, 6796 posts, RR: 7
Reply 7, posted (13 years 2 days 19 hours ago) and read 1122 times:

Thanks for that link, Southflite. So it seems that at least two 747s have converted from JT9D-7s to CF6-50. I wouldn't have thought it would be worth all the complication-- seems like it would be simpler to sell them if commonality was that important.

Anybody know of any others?

User currently offlineLewis From Greece, joined Jul 1999, 3623 posts, RR: 5
Reply 8, posted (13 years 2 days 12 hours ago) and read 1117 times:

Didn't QANTAS change their 747-200 engines from JT9Ds to RR?

User currently offlineTimz From United States of America, joined Sep 1999, 6796 posts, RR: 7
Reply 9, posted (13 years 1 day 19 hours ago) and read 1109 times:

Hmm... well, recall that those United ex-Qantas 747-200s still had Pratts. Maybe QF's later -200s had RR, but did any individual aircraft get an engine switch?

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