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You are watching: Is a 757 bigger than a 747

The Boeing 757, 767 and 777 room each key members the the medium-to-long to draw fleets that airlines around the world. That is somewhat difficult to tell castle apart—particularly as soon as you include in the Airbus A330, which looks comparable to each—but there space a few tell-tale differences.

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An American airline Boeing 757 landing in ~ Saint Maarten (Photo by Fabrizio Gandolfo/SOPA Images/LightRocket via Getty Images)

Two-Engine Behemoths

A Delta 767-400 (Photo by Zach Griff/The point out Guy)

All of this aircraft are twin jets, i.e. V two engines. In the situation of the Boeing 757 and also the Boeing 767, those engines room of comparable size. No so for the Boeing 777. Those engines space huge; lock are almost the diameter that a Boeing 737’s fuselage, and the new Boeing 777X‘s General electrical engines room even wider than that. So, the very first tell-tale attribute you can spot is that the Boeing 777 engines are much larger and also seem to droop indigenous the wings, favor a pair of hefty earrings.

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Does it have actually a Non-U.S. Livery?

(Photo by hanohiki/Shutterstock)

Chances are, if it’s a humongous, two-engine airline through a international livery such as Cathay Pacific or Emirates, it’s a Boeing 777. The Triple Seven has actually been the go-to wide-bodied plane for plenty of of the world’s carriers because that the better part the 20 years. In contrast the Boeing 757 and also 767 space designs native the so late 1970s and also ’80s, and fewer and also fewer will be viewed in the wild in the coming years. The significant operators the both the 757 and also 767 room Delta and also United; American airline retired your in 2020 during the coronavirus pandemic. JAL and ANA in Japan are amongst the largest international operators the the 767, if the 757 has actually largely disappeared from passenger company outside the U.S. (you can uncover sizeable fleets in Iceland and Germany, still.) Compare the to the ubiquitous Boeing 777; waiting France alone operates 70 the the planes.

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Eliminate the Boeing 757

(Photo through Sean Pavone/Shutterstock)

While that’s not straightforward to spot from the outside, the Boeing 757 differs from the Boeing 767 and 777 in that it is a single-aisle, narrow-body aircraft, through 3-3 seating throughout in coach. In contrast, the Boeing 767 and 777 are wide-bodied aircraft with two aisles and thre rows of seats in coach (typically 2-3-2 top top the 767 and also 3-4-3 top top the 777.) top top the outside, the Boeing 757 is skinnier than the longer and also fatter-looking Boeing 767. And also there’s a good reason because that that: the 757 has actually a cabin that’s 11 feet 6 customs wide, the 767 is 15 feet 6 inches, and the much larger 777 is about 19 feet 6 inches, depending upon the model. That means the 757 is 42% skinnier. The Boeing 777 is the longest and also heaviest of lock all.

Spot the Boeing 777

A Boeing 777-300ER landing in ~ LAX (Photo by Alberto Riva/The clues Guy)

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Length and size space not basic to spot, particularly at one airport wherein most everything on the ramp is huge. The easiest means to quickly determine even if it is you’re looking in ~ a 757, 767 or 777 is the tail cone, where the assistant engine well-known as APU sit at the rear of the aircraft. Top top the 777, the tail cone is chisel-shaped. No chisel? girlfriend can remove the Boeing 777.

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Wheel Count: does It have actually Two set of Wheels per Bogie or Three?

A Delta 777 (Image by Alberto Riva/TPG)

The Boeing 757, Boeing 767 and also Boeing 777 all have two key landing-gear bogies—the frameworks under the wings with wheels attached. The Boeing 777 however, has three bag of wheel on each bogie, when the 757 and 767 have actually two. The 777 above plainly shows the triple-wheel arrangement.

The Boeing 757: Look because that the slim Moose v the Pointy Nose

A Boeing 757-300 taking off indigenous ATL (Photo by Alberto Riva/The clues Guy)

The Boeing 757 comes in 2 variants, the 200 and the 300. The 300 is the stretched version that the 200. An easy way to tell the distinction is the the 300 has actually two emergency-exit doors over the wings and the 200 has actually none.

Between the 767 and the 757, the 757 has actually a pointier nose. The 767 is a touch much more bulbous.

The 757 has an uncommonly high landing gear. It looks a bit like a moose; it is top-heavy v skinny legs. The reason? Boeing originally designed the equipment to permit for large models that the 757 later on down the line, so as to avoid tail strikes ~ above takeoff v a much longer fuselage. If you’re spotting a 757 ~ above landing, friend might be able to tell that the nose landing gear is further earlier under the belly of the aircraft 보다 the Boeing 767.

The Boeing 767 Variants

A Delta 767-400ER in Skyteam livery landing at brand-new York – JFK (Photo by Alberto Riva / The point out Guy)

The Boeing 767 comes in the 200, 300, and also 400 key variants, differentiated by length. The 300 and 400 are stretch models the the original aircraft, the 767-200 launched in 1982. To tell castle apart, the only surefire method is looking in ~ the departure doors. The 767-300 and also 400 have actually emergency exit doors before the wing and after the wing. The Boeing 767-200 has actually one emergency exit over the wing. And also if you can spot it, the 767-300 and also 400 every come through a retractable tailskid the was included to protect the tail the these much longer versions native damaging tail strikes top top takeoff.

Another information that just the 400 has: raked wingtips.

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You’ll additionally commonly see 767s referred to with the letters “ER” ~ the design number, as well; those refer to “extended range,” and also ER 767s have actually no external differences from the traditional versions.

A difficult One: The Boeing 767-400 versus the Boeing 777-200

United airline Boeing 767-400ER (Photo by Nicolas Economou/NurPhoto via Getty Images)

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Each plane is approximately the very same length: The Boeing 767-400 is 201 feet long, and also the 777-200, the the smallest Triple Seven, is 209 feet long. So, what’s the easiest means to call the difference? very first is the tail cone. The 777 will have actually the chisel-like tail cone. Also, take a quick look at the engines. If they appear to be “small” it’s most likely a Boeing 767-400. And of course, the Boeing 777 has two sets of three wheels ~ above its main landing gear, while all 767s have two sets of two.

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The Boeing 777-300ER

A China southern 777-300ER mirroring its wings flexing, i beg your pardon they perform in trip (Photo by Alberto Riva/The points Guy)

The greatest difference between regular 777s and the 777-300ER, the best of the 777s right now in service, is the the latter features raked wingtips. Lock aren’t as pronounced as the Boeing 787’s, nor does the soup curve upwards so dramatically.

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The 777-300ER is some 40 feet much longer than the 777-200, however that is tough to spot in the air or top top the ramp. The wings room your optimal clue.

Here’s a table summing increase the differences in between 757s, 767s and also 777s:

Boeing 757Unusually high landing gear,Long and skinny body; a “flying pencil”
Boeing 767Fatter 보다 the 757Stubbier 보다 the 777
Boeing 777Chisel-like tail coneMany international liveriesTwo set of three wheels on the landing gearHuge engines (The largest ever, in fact!)Raked wingtips