1943 Ford GPA “Seep”

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History

The Ford GPA “Seep” is a WWII amphibious jeep built for the US Army between September 1942 and June 1943. It was designed by Roderick Stephens Jr. of Sparkman & Stephens Inc. Yacht Designers. The construction of the vehicle was developed in competition between Marmon-Herrington and Ford Motor Company.

Inspired by the success and efficiency of the WWII Ford GPW Jeep, Ford received a contract to manufacture a jeep that could navigate seas as well as lands. Around 12,778 GPAs were manufactured, and of these, very few survived.

During this time, several Ford GPAs were sent overseas to Europe as part of the Lend-Lease program, in which the United States sent equipment to their allies.

The Ford GPA “Seep” was designed initially to transport soldiers to and from offshore ships; unfortunately, due to a heavier weight than intended, the GPA sat too low in the water, couldn’t handle the force of waves, and therefore couldn’t handle much cargo. The GPA proved to be too slow and clumsy on land, and not efficient enough of a boat on water. Restored, seaworthy GPA’s are still popular, particularly in Australia as well as the U.S.A.

Features

  • Has built-in spray shield designed to keep mist and waves from flooding over the deck
  • Spare tire and anchor mounted on back deck
  • Vacuum motor windshield wiper on the driver side, and a manual windshield wiper for the passenger side
  • Includes two PTO levers, one for the propeller and one for the bilge pump
  • Engine driven anchor capstan
  • Rudder is connected to the steering linkage
  • Seat cushions double as life preservers
Manufacturer Ford
Production 12,778 built
Engine Options 134 cubic inch engine, 60 hp & 105 ft./lbs. torque
Transmission Options GPW 7000, 3-speed manual, with PTO driven propeller & bilge pump
Transfer Case GPW 7700
Rear Axle GPW 3001, 4.88 ratio
Front Axle GPW 4001, 4.88 ratio
Wheelbase 84 in.
Length 181.8 in.
Width 64 in.
Height 66.25 in.
Curb Weight 3,400 lbs.
  • Client: 1943 Ford GPA
  • Filed under: Military