page_title: Ford Trimotor
section_title: Variants
hierarchical_section_title: Ford Trimotor / Variants
caption_attribution_description: English: Ford 5-AT-B "City of Columbus" flown by Lindbergh
context_page_description: The Ford Trimotor is an American three-engined transport aircraft. Production started in 1925 by the companies of Henry Ford and ended on June 7, 1933. A total of 199 Ford Trimotors were made. It was designed for the civil aviation market, but also saw service with military units.
context_section_description: Ford 3-AT
  The original Stout prototype; one built.
  Ford 4-AT
  Pre-production prototype, powered by three 200-hp (150-kW) Wright J-4 Whirlwind radial piston engines, accommodation for two pilots and eight passengers; one built.
  Ford 4-AT-A
  The original production version, similar to the Ford 4-AT prototype; 14 built.
  Ford 4-AT-B
  Improved version, powered by three 220-hp (165-kW) Wright J-5 Whirlwind radial piston engines, accommodation for two pilots and 12 passengers; 39 built.
  Ford 4-AT-C
  Similar to the Ford 4-AT-B, equipped with a 400-hp (300-kW) Pratt & Whitney Wasp radial piston engine, fitted in the nose of the aircraft; one built.
  Ford 4-AT-D
  Three aircraft similar to the Ford 4-AT-B, each with different engines and minor modifications.
  Ford 4-AT-E
  Similar to the Ford 4-AT-B, powered by three 300-hp (225-kW) Wright J-6-9 Whirlwind nine-cylinder radial piston engines; 24 built.
  Ford 4-AT-F
  One aircraft similar to the Ford 4-AT-E.
  Ford 5-AT-A
  Enlarged version, powered by three 420-hp (320-kW) Pratt & Whitney Wasp radial piston engines, accommodation for two pilots and 13 passengers, the wingspan was increased by 3 ft 10 in (1.17 m); three built.
  Ford 5-AT-B
  Similar to the Ford 5-AT-A, powered by 420-hp Pratt & Whitney Wasp C-1 or SC-1 radial piston engines, accommodation for two pilots and 15 passengers; 41 built.
  Ford 5-AT-C
  Improved version, similar to the Ford 5-AT-A, accommodation for two pilots and 17 passengers; 51 built.
  Ford 5-AT-CS
  Seaplane version, fitted with Edo floats; one built.
  Ford 5-AT-D
  Increased-weight version, powered by three 450-hp (340-kW) Pratt & Whitney Wasp SC radial piston engines. The wings were mounted 8 in (20 cm) higher, to increase cabin headroom, but otherwise similar to the Ford 5-AT-C; 20 built.
  Ford 5-AT-DS
  Seaplane version, fitted with Edo floats; one built.
  Ford 5-AT-E
  Proposed version, the engines were relocated to the wing leading edges.
  Ford 6-AT-A
  Similar to the Ford 5-AT-A, powered by three 300-hp Wright J-6-9 radial piston engines; three built.
  Ford 6-AT-AS
  Seaplane version, fitted with Edo floats; one built.
  Ford 7-AT-A
  Redesignation of a single Ford 6-AT-A, equipped with a 420-hp Pratt & Whitney Wasp radial piston engine, fitted in the nose of the aircraft.
  Ford 8-AT
  One Ford 5-AT-C converted into a single engine freight transport aircraft. Six different engines ranging from 575 hp (429 kW) to 700 hp (520 kW) were installed.
  Ford 9-AT
  Redesignation of a single Ford 4-AT-B, fitted with three 300-hp Pratt & Whitney Wasp radial piston engines.
  Ford 11-AT
  Redesignation of a single Ford 4-AT-E, fitted with three 225-hp Packard DR-980 diesel engines.
  Ford 13-A
  Redesignation of a single Ford 5-AT-D, fitted with two 300-hp Wright J-6-9 Whirlwind radial piston engines, and a 575-hp (430-kW) Wright Cyclone radial piston engine fitted in the nose of the aircraft.
  Ford 14-A
  Large three-engined version, powered by three 1000-hp (750-kW) Hispano-Suiza 18 Sbr piston engines (W engines: 3 x 6 cylinders), accommodation for two pilots and 40 passengers.
  Ford XB-906
  One Ford 5-AT-D was converted into a three-engined bomber aircraft.
caption: TAT Ford 5-AT-B flown by Lindbergh
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