Boeing 737 Classic
Specifications

Variant
737-300
737-400
737-500
Cockpit crew
Two
Two
Two
2-class
126 (8F@36" 118Y@32")
147 (10F@36" 137Y@32")
110 (8F@36" 102Y@32")
1-class
140@32" - 149@30"
159@32" - 168@30"
122@32" - 132@30"
Exit limit
149
188
145
Seat width
6-abreast : 17in / 43.2 cm, 5-abreast : 19in / 48.3 cm, 4-abreast : 21in / 53.3 cm
6-abreast : 17in / 43.2 cm, 5-abreast : 19in / 48.3 cm, 4-abreast : 21in / 53.3 cm
6-abreast : 17in / 43.2 cm, 5-abreast : 19in / 48.3 cm, 4-abreast : 21in / 53.3 cm
Overall length
109 ft 7 in / 33.4 m
119 ft 7 in / 36.4 m
101 ft 9 in / 31 m
Wing
span 94 ft 9 in / 28.9 m, area 980 sq ft (91.04 m2), sweep 25°, AR 9.17
span 94 ft 9 in / 28.9 m, area 980 sq ft (91.04 m2), sweep 25°, AR 9.17
span 94 ft 9 in / 28.9 m, area 980 sq ft (91.04 m2), sweep 25°, AR 9.17
Height
36 ft 6 in / 11.1 m, Cabin: 84.2in / 213.9 cm
36 ft 6 in / 11.1 m, Cabin: 84.2in / 213.9 cm
36 ft 6 in / 11.1 m, Cabin: 84.2in / 213.9 cm
Fuselage width
3.76 m (12 ft 4 in)
3.76 m (12 ft 4 in)
3.76 m (12 ft 4 in)
Maximum Takeoff Weight
138,500 lb / 62,822 kg
150,000 lb / 68,038 kg
133,500 lb / 60,554 kg
Maximum landing weight
116,600 lb / 52,888 kg
124,000 lb / 56,245 kg
110,000 lb / 49,895 kg
Maximum zero-fuel weight
109,600 lb / 49,713 kg
117,000 lb / 53,070 kg
103,000 lb / 46,720 kg
Operating empty weight
72,360 lb / 32,821 kg
76,760 lb / 34,817 kg
70,440 lb / 31,951 kg
Fuel capacity
5,311USgal / 20,100L
5,311USgal / 20,100L
5,311USgal / 20,100L
Cargo capacity
1,068 ft³ / 30.2m³
1,373 ft³ / 38.9m³
882 ft³ / 23.3m³
Takeoff
6,365ft / 1,940m
8,333ft / 2,540m
6,004ft / 1,830m
Service ceiling
37,000 ft (11,278 m)
37,000 ft (11,278 m)
37,000 ft (11,278 m)
Speed
MMO: Mach 0.82 (473 kn; 876 km/h), cruise: Mach 0.745 (430 kn; 796 km/h)
MMO: Mach 0.82 (473 kn; 876 km/h), cruise: Mach 0.745 (430 kn; 796 km/h)
MMO: Mach 0.82 (473 kn; 876 km/h), cruise: Mach 0.745 (430 kn; 796 km/h)
Range
2,255 nmi (4,176 km)
2,060 nmi (3,820 km)
2,375 nmi (4,398 km)
Engine x2
CFM56-3B-2
CFM56-3C-1
CFM56-3B-1
Takeoff thrust x2
22,000 lbf (98 kN)
23,500 lbf (105 kN)
20,000 lbf (89 kN)
ICAO Type
B733
B734
B735

Question: How many variants are there of the Boeing 737 Classic, and what is the seating capacity of each variant?
Answer: The 737 Classic, includes three variants and can seat between 145 and 188 passengers.