DC-9 Technical Specifications
 DC-9-10DC-9-21DC-9-30DC-9-40DC-9-50
Passengers
3-class config.
2-class config.
1-class config.

N/A
80
90

N/A
80
90

N/A
80
90

N/A
80
90

N/A
80
90
Cargo 600 ft3
(17.0 m3)
600 ft3
(17.0 m3)
895 ft3
(25.3 m3)
1019 ft3
(28.8 m3)
1034 ft3
(29.2 m3)
Engines
maximum thrust
JT8D-7
14,000 lbs
(6,350 kg)
JT8D-9 15,000 lbs (6,804 kg) JT8D-15 15,500 lbs (7,031 kg) JT8D-15 15,500 lbs (7,031 kg) JT8D-17 16,000 lbs (7,257 kg)
Maximum Fuel Capacity 3,693 U.S. gal
(13,978 L)
3,679 U.S. gal
(13,925 L)
3,679 U.S. gal
(13,925 L)
3,679 U.S. gal
(13,925 L)
4,259 U.S. gal
(16,120 L)
Maximum Takeoff Weight 90,700 lbs
(41,177 kg)
98,000 lbs
(44,492)
110,000 lbs
(49,940 kg)
114,000 lbs (51,756 kg) 121,000 lbs (54,934 kg)
Maximum Range 1,265 statute miles
(2,036 km)
1,850 statute miles
(2,977 km)
1,635 statute miles
(2,631 km)
1,685 statute miles
(2,712 km)
1,635 statute miles
(2,631 km)
Typical Cruise Speed 561 mph
903 km/h
557 mph
896 km/h
570 mph
917 km/h
561 mph
917 km/h
558 mph
898 km/h
Basic Dimensions
         
Wingspan 89.4 ft
(27.3 m)
93.3 ft
(28.5 m)
93.3 ft
(28.5 m)
93.3 ft
(28.5 m)
93.3 ft
(28.5 m)
Length Overall 104.4 ft
(31.8 m)
104.4 ft (31.8 m) 119.3 ft (36.3 m) 125.6 ft
(38.3 m)
133.5 ft
(40.7 m)
Tail Height 27.5 ft
(8.38 m)
27.5 ft
(8.38 m)
27.5 ft
(8.38 m)
27.5 ft
(8.38 m)
27.5 ft
(8.38 m)