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B744 Facts  
User currently offlineBOEING747400 From United States of America, joined Sep 2001, 319 posts, RR: 0
Posted (14 years 5 months 3 weeks 3 days 21 hours ago) and read 1788 times:

My own perceptions about the B744 models with different engines are as follows:

1) RR RB211-524G/H-T (most powerful engine)
2) GE CF6-80C2B1F (middle)
3) PW 4056 (least powerful engine)

1) PW 4056 (longest range)
2) GE CF6-80C2B1F (middle)
3) RR RB211-524G/H-T (shortest range)

Also, to the best of my knowledge, GE CF6-80C2B5F (which is rated at a more powerful 61,500 lbs. thrust) has only been used by 2 airlines on B744: Saudi Arabian Airlines & Virgin Atlantic but PW 4062 (which is rated at the most powerful at 62,000 lbs. thrust) has never been used by any airline for B744 so far.

Can you please correct me if I'm wrong with the facts shown above? Otherwise I may assume that my information is accurate. Thank you very much!

3 replies: All unread, jump to last
User currently offlineRmm From Australia, joined Feb 2001, 527 posts, RR: 1
Reply 1, posted (14 years 5 months 3 weeks 2 days 23 hours ago) and read 1672 times:

I'm not an expert but this was on the Boeing site under tech specs
for the 747-400

Engines maximum thrust,

Pratt & Whitney PW4062
63,300 lb (28,710 kg)

Rolls-Royce RB211-524H
59,500 lb (26,990 kg)

General Electric CF6-80C2B5F
62,100 lb (27,945 kg)


User currently offlineBuddymagoo From United States of America, joined Mar 2001, 31 posts, RR: 0
Reply 2, posted (14 years 5 months 3 weeks 2 days 8 hours ago) and read 1637 times:

I think that United uses the PW also.

That'll happen!
User currently offline9V-SVE From Singapore, joined Nov 2001, 2066 posts, RR: 1
Reply 3, posted (14 years 5 months 3 weeks 1 day 14 hours ago) and read 1596 times:

United uses the PW4056, not the PW4062

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