SS-100-X
Encyclopedia
SS-100-X was the U.S. Secret Service code name for the Presidential limousine
Limousine
A limousine is a luxury sedan or saloon car, especially one with a lengthened wheelbase or driven by a chauffeur. The chassis of a limousine may have been extended by the manufacturer or by an independent coachbuilder. These are called "stretch" limousines and are traditionally black or white....

 used by the 35th President of the United States
President of the United States
The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

, John F. Kennedy
John F. Kennedy
John Fitzgerald "Jack" Kennedy , often referred to by his initials JFK, was the 35th President of the United States, serving from 1961 until his assassination in 1963....

. It is the car that Kennedy was riding in when he was assassinated
John F. Kennedy assassination
John Fitzgerald Kennedy, the thirty-fifth President of the United States, was assassinated at 12:30 p.m. Central Standard Time on Friday, November 22, 1963, in Dealey Plaza, Dallas, Texas...

 in Dallas, Texas, in 1963. The design was based on a 1961 Lincoln
Lincoln (automobile)
Lincoln is an American luxury vehicle brand of the Ford Motor Company. Lincoln vehicles are sold mostly in North America.-History:The company was founded in August 1915 by Henry M. Leland, one of the founders of Cadillac . During World War I, he left Cadillac which was sold to General Motors...

 model 74A convertible worth $7,347, later modified to Secret Service
United States Secret Service
The United States Secret Service is a United States federal law enforcement agency that is part of the United States Department of Homeland Security. The sworn members are divided among the Special Agents and the Uniformed Division. Until March 1, 2003, the Service was part of the United States...

 specifications by Ford Motor Company
Ford Motor Company
Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...

's Advanced Vehicles Group, and Hess & Eisenhardt of Cincinnati, Ohio
Cincinnati, Ohio
Cincinnati is a city in the U.S. state of Ohio. Cincinnati is the county seat of Hamilton County. Settled in 1788, the city is located to north of the Ohio River at the Ohio-Kentucky border, near Indiana. The population within city limits is 296,943 according to the 2010 census, making it Ohio's...

. Together, these two companies created one of the most modern open parade limousines of its day. The limousine was presented to the White House
White House
The White House is the official residence and principal workplace of the president of the United States. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., the house was designed by Irish-born James Hoban, and built between 1792 and 1800 of white-painted Aquia sandstone in the Neoclassical...

 in March 1961, after modifications that cost the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 government approximately $200,000.

Pre-assassination

The car was originally painted in a special shade of midnight blue, and was equipped with a hand-built 350-horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 430 cubic inch engine
Engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

, the wheelbase
Wheelbase
In both road and rail vehicles, the wheelbase is the distance between the centers of the front and rear wheels.- Road :In automobiles, the wheelbase is the horizontal distance between the center of the front wheel and the center of the rear wheel...

 was extended from the stock 133 to 156 inches, with the additional length being added between the front and rear doors and just beyond the rear doors. An open car, the Lincoln was equipped with an assortment of tops, including a snap-together bubble top, a black cover for the bubble, a formal rear top and a stainless steel
Stainless steel
In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass....

 forward section—none of which were bulletproof
Bulletproof
Bulletproofing is the process of making something capable of stopping a bullet or similar high velocity projectiles e.g. shrapnel. The term bullet resistance is often preferred because few, if any, practical materials provide complete protection against all types of bullets, or multiple hits in the...

. It also featured two-way radio telephones and retractable steps and grab-handles for Secret Service
United States Secret Service
The United States Secret Service is a United States federal law enforcement agency that is part of the United States Department of Homeland Security. The sworn members are divided among the Special Agents and the Uniformed Division. Until March 1, 2003, the Service was part of the United States...

 agents. Following the conversion, the limousine's weight increased from 5215 to 7800 pounds, although it was not armor-plated, so the undercarriage
Undercarriage
The undercarriage or landing gear in aviation, is the structure that supports an aircraft on the ground and allows it to taxi, takeoff and land...

 and all suspension
Suspension (vehicle)
Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. Suspension systems serve a dual purpose — contributing to the car's roadholding/handling and braking for good active safety and driving pleasure, and keeping vehicle occupants...

 components were strengthened. A hydraulically-lifted rear seat was fitted. At the time of the assassination, the Lincoln had been fitted with a 1962-model front clip (fender
Fender (vehicle)
Fender is the US English term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well . Its primary purpose is to prevent sand, mud, rocks, liquids, and other road spray from being thrown into the air by the rotating tire. Fenders are typically rigid and can be...

s, hood, grille
Grille
A grille or grill is an opening of several slits side by side in a wall or metal sheet or other barrier, usually to let air or water enter and/or leave but keep larger objects including people and animals in or out.-Spelling:In the United States, "grille" is used to differentiate the automotive...

 and bumper assemblies).

The vehicle was notorious for its inadequate cooling of the rear of the passenger cabin while the bubble top was in place, particularly in sunshine. In order to prevent excessive heat and discomfort to the passengers, the top was often removed prior to parades, as was the case in Dallas on November 22, 1963, the assassination of Kennedy
John F. Kennedy assassination
John Fitzgerald Kennedy, the thirty-fifth President of the United States, was assassinated at 12:30 p.m. Central Standard Time on Friday, November 22, 1963, in Dealey Plaza, Dallas, Texas...

.

Post-assassination

Following the assassination the car was sent back to Hess & Eisenhardt to be modified further, and was rebuilt from the ground up. For protection, the Lincoln received titanium
Titanium
Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....

 armor plating, bullet-resistant glass and a bulletproof permanent roof. Solid aluminium rims were also fitted inside the tires to make them flat-proof. It remained in service for an additional eight years, logging 50,000 miles on the ground and over one million miles being flown to and from its destinations. The vehicle was equipped with Presidential lap robes and mouton carpeting and a complete communications system including radio patch to the White House. It was replaced in 1967 and remained in service doing less important duties until 1978, when it was retired to the Henry Ford Museum. Finished in Navy blue, the car was repainted after each assignment, however after the assassination it was repainted a more somber black.

See also

  • Presidential State Car (United States)
  • Sunshine Special Presidential State Car (United States)
    Sunshine Special Presidential State Car (United States)
    The Sunshine Special was the official state car used by Franklin D. Roosevelt, the 32nd President of the United States. It is said to have been the "First Presidential car to acquire its own personality" although the exact origin of its nickname is unknown...

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