Boeing 720
Specifications
Table:
720

720B

707-120B

707-320B

Cockpit crew

Four (pilot, copilot, flight engineer, navigator)

Passengers

149
170 (720-025, certification[25])
110 (2 class)
189[52] (1 class)
147 (2 class)
189 (1 class)

Length

136 ft 2 in (41.50 m)
136 ft 9 in (41.68 m)
145 ft 1 in (44.22 m)
152 ft 11 in (46.61 m)

Wingspan

130 ft 10 in (39.88 m)
145 ft 9 in (44.42 m)

Tail height

41 ft 5 in (12.62 m)
41 ft 2 in (12.55 m)
41 ft 8 in (12.70 m)
42 ft 5 in (12.93 m)

Maximum Takeoff Weight (MTOW)

229,300 lb (104,000 kg)
234,300 lb (106,300 kg)

257,000 lb (117,000 kg)
333,600 lb (151,300 kg)

Empty weight

110,800 lb (50,300 kg)
115,000 lb (52,000 kg)

122,533 lb (55,580 kg)
146,400 lb (66,400 kg)

Runway needed at MTOW

8,300 ft (2,500 m)

11,000 ft (3,400 m)
10,840 ft (3,300 m)

Fuel Capacity

16,060 US gal (60,800 L)
16,130 US gal (61,100 L)
17,330 US gal (65,600 L)
23,820 US gal (90,200 L)

Landing run

5,750 ft (1,750 m)

6,200 ft (1,890 m)
5,950 ft (1,814 m)

Operating range (typ. payload)

3,680 nmi (6,820 km)

3,680 nmi (6,820 km)
3,735 nmi (6,917 km)

Range at MTOW (max. fuel)

3,800 nmi (7,000 km)

4,700 nmi (8,700 km)
5,750 nmi (10,650 km)

Cruising speed

540 kn / 621 mph (1,000 km/h)
525 kn/604 mph (972 km/h)

Fuselage width

12 ft 4 in (3.76 m)

Powerplants (4 x)

Pratt & Whitney JT3C-7:
12,000 lbf (53.4 kN)

Pratt & Whitney JT3D-1:
17,000 lbf (75.6 kN)

PW JT3D-3:
18,000 lbf (80.1 kN)
PW JT3D-7:
19,000 lbf (84.5 kN)

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