| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Boeing 737 Classic - Specifications |  |  |  |
| 3 | Variant | 737-300 | 737-400 | 737-500 |
| 4 | Cockpit crew | Two | Two | Two |
| 5 | 2-class | 126 (8F@36" 118Y@32") | 147 (10F@36" 137Y@32") | 110 (8F@36" 102Y@32") |
| 6 | 1-class | 140@32" - 149@30" | 159@32" - 168@30" | 122@32" - 132@30" |
| 7 | Exit limit | 149 | 188 | 145 |
| 8 | 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 |
| 9 | Overall length | 109 ft 7 in / 33.4 m | 119 ft 7 in / 36.4 m | 101 ft 9 in / 31 m |
| 10 | 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 |
| 11 | 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 |
| 12 | Fuselage width | 3.76 m (12 ft 4 in) | 3.76 m (12 ft 4 in) | 3.76 m (12 ft 4 in) |
| 13 | Maximum Takeoff Weight | 138,500 lb / 62,822 kg | 150,000 lb / 68,038 kg | 133,500 lb / 60,554 kg |
| 14 | Maximum landing weight | 116,600 lb / 52,888 kg | 124,000 lb / 56,245 kg | 110,000 lb / 49,895 kg |
| 15 | Maximum zero-fuel weight | 109,600 lb / 49,713 kg | 117,000 lb / 53,070 kg | 103,000 lb / 46,720 kg |
| 16 | Operating empty weight | 72,360 lb / 32,821 kg | 76,760 lb / 34,817 kg | 70,440 lb / 31,951 kg |
| 17 | Fuel capacity | 5,311USgal / 20,100L | 5,311USgal / 20,100L | 5,311USgal / 20,100L |
| 18 | Cargo capacity | 1,068 ft³ / 30.2m³ | 1,373 ft³ / 38.9m³ | 882 ft³ / 23.3m³ |
| 19 | Takeoff | 6,365ft / 1,940m | 8,333ft / 2,540m | 6,004ft / 1,830m |
| 20 | Service ceiling | 37,000 ft (11,278 m) | 37,000 ft (11,278 m) | 37,000 ft (11,278 m) |
| 21 | 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) |
| 22 | Range | 2,255 nmi (4,176 km) | 2,060 nmi (3,820 km) | 2,375 nmi (4,398 km) |
| 23 | Engine x2 | CFM56-3B-2 | CFM56-3C-1 | CFM56-3B-1 |
| 24 | Takeoff thrust x2 | 22,000 lbf (98 kN) | 23,500 lbf (105 kN) | 20,000 lbf (89 kN) |
| 25 | 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.