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Old 737vs New 737  
User currently offlineRicky From Indonesia, joined Nov 2005, 0 posts, RR: 0
Posted (17 years 1 month 4 days 4 hours ago) and read 1535 times:

May anybody tell me if there is a "visible" difference betwenn old generations 737s and new generations 737s (600-700-800)

6 replies: All unread, jump to last
User currently offlineMD-11 From , joined Dec 1969, posts, RR:
Reply 1, posted (17 years 1 month 4 days 4 hours ago) and read 1535 times:

The new ones have longer wings, a longer vertical tail, and engine nacelles that aren't as flat on the bottom as the second generation 737s.

User currently offlineMirage From Portugal, joined May 1999, 3125 posts, RR: 13
Reply 2, posted (17 years 1 month 4 days 3 hours ago) and read 1535 times:

Well, I find it difficult to recognize at 1km if it is a 733 or a 73G, or if it is a 734 or a 738 because the differences are very light.
Anyway, in the new generation, the tail is higher and the wings are not so close to the ground.

Mirage, Faro, Portugal

User currently offlineAA727 From United States of America, joined Apr 2003, 124 posts, RR: 0
Reply 3, posted (17 years 1 month 4 days 2 hours ago) and read 1536 times:

There are three generations of 737's.
1. 100 and 200 series (late 60's and 70's)
2. 300 thru 500 series (80's)
3. 600 thru 900 series (90's)
All nine versions have the exact same cockpit windows and fuselage width, exactly like the 707 and 727.

The oldest 737's, 100 and 200 are easily recognizable because of the engines and the tail: the engines are skinny Pratt & Whitney and extend in front and behind the wing, the tail doesn't have an angled tail fin like the tail on younger 737's.
Now, between the other two generations of 737's, it's hard to tell. It's more difficult to make the distinction because they all have CFM engines and an angled tail fin. I have to look closely and concentrate to tell which 737 it is, whether it's a NG737 or not. I know that the NG737's have a higher tail, larger wings and less flat engines. Of course I can tell quickly if it's a between a 300 or a 700, between a 500 or a 600, between a 400 or a 800 because of the length (the 400 and 800 have two overwing exits on each side). Southwest painted the flap canoes in red on their 737-700's to make it easier for ground crews to tell which 737 it is.
The first time I saw a Next Generation 737 in real was three months ago in Newark, it was a 800 of Continental. I could tell because the tail was high and there were two overwing exits on each side, I knew it was not a 900 because that one doesn't exist yet.
When I look into the cockpit of a 737, I can tell which generation of 737 it is.

Ben Soriano
Brussels Belgium

PS: Who knows, maybe there'll be a 737-1000!

User currently offlineBryanG From United States of America, joined May 1999, 450 posts, RR: 0
Reply 4, posted (17 years 1 month 4 days 1 hour ago) and read 1535 times:

If you are looking at a Southwest plane, check the flap bulbs on the underside trailing edge of the wings. On the 737-700s, they are painted red. On the older 737s they are not.

User currently offlineFAUnited7 From , joined Dec 1969, posts, RR:
Reply 5, posted (17 years 1 month 4 days 1 hour ago) and read 1535 times:

Well, because it has not yet been said, the newer 737's have sharper noses.

User currently onlineL-188 From United States of America, joined Jul 1999, 30267 posts, RR: 57
Reply 6, posted (17 years 1 month 4 days ago) and read 1536 times:

Sharper noses?? I didn't notice that when I was at the rollout for N737X at Renton in December of 96. Key feature is the round engine cowlings. You might also get a feel for the higher height of the landing gear by looking at the ramp agents.

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