Boeing · B734 · IATA 734

Boeing 737-400 specs, size & range

The Boeing 737-400 (ICAO code B734, IATA 734) is a landplane with 2 jet engines in the medium wake-turbulence category. It is 36.5 m long, a 28.9 m wingspan, a maximum take-off weight of 68,038 kg and a range of 3,815 km.

Landplane with 2 jet engines Wake category: Medium Airliners & big jets

737-400 specifications

Length: 36.45 m (119.6 ft)
Wingspan: 28.88 m (94.8 ft)
Height: 11.13 m (36.5 ft)
Wing area: 91.0 m² (980 sq ft)
Fuselage width: 3.76 m
Fuselage height: 4.01 m
Max take-off weight: 68,038 kg (149,998 lb)
Max landing weight: 56,245 kg (123,999 lb)
Max zero-fuel weight: 53,070 kg
Max ramp weight: 68,265 kg
Fuel capacity: 20,100 L (5,310 US gal)
Cruise speed: 430 kn (796 km/h)
Maximum speed: 473 kn (876 km/h)
Approach speed: 139 kn (257 km/h)
Range: 2,060 nm (3,815 km)
Absolute ceiling: 37,000 ft (11,278 m)

Official type certificate →

Models & engines

Model	Engines	Certified
737-400	CFM International CFM56-3B1 / CFM56-3B2 / CFM56-3C1	2 Sep 1988

The Boeing 737-400 is a landplane with 2 jet engines built by Boeing. Air-traffic control and flight-tracking sites identify it by the ICAO type code B734, while airline timetables and booking sites use the IATA code 734. It belongs to the medium wake-turbulence category.

737-400 size and dimensions

The 737-400 is 36.45 m (119.6 ft) long, has a wingspan of 28.88 m and stands 11.13 m tall. That makes it the #47 longest of 67 airliners & big jets in our database — longer than 30% of them. Its fuselage is 3.76 m wide, the width of a single-aisle cabin with six seats per row. With 91.0 m² of wing, the wing loading at maximum weight is about 747 kg/m².

737-400 weight and fuel

The maximum take-off weight is 68,038 kg (149,998 lb) and it may land at up to 56,245 kg — 83% of take-off weight, so after a short flight it has to burn off fuel before landing at full weight. Among airliners & big jets it ranks #48 of 69 by weight. Without fuel it may weigh at most 53,070 kg, leaving up to 14,968 kg for fuel at maximum take-off weight. The tanks hold 20,100 litres (5,310 US gallons), about 16.1 tonnes of jet fuel.

737-400 speed and range

It cruises at about 796 km/h (430 knots), faster than 11% of airliners & big jets. Its range of 3,815 km (2,060 nm) is enough to fly non-stop from London to Moscow (3,460 km) — about 4.8 hours at cruise speed. On final approach it flies at around 139 knots (257 km/h), ICAO approach category C. Its ceiling is 37,000 ft (11,278 m).