The American Automobile Industry in World War Two
An American Auto Industry Heritage Tribute by David D Jackson

 Overview      Lansing Michigan in World War Two   The U.S. Auto Industry at the Normandy Invasion, June 6, 1944    The U.S. Auto Industry and the B-29 Bomber   U.S. Auto Industry Army-Navy "E" Award Winners   The Complete listing of All Army-Navy "E" Award Winners   Sherman Tanks of the American Auto Industry   Tank Destroyers of the American Auto Industry    M26 Pershing Tanks of the American Auto Industry   M36 Tank Destroyers of the American Auto Industry   Serial Numbers for WWII Tanks built by the American Auto Industry   Surviving LCVP Landing Craft    WWII Landing Craft Hull Numbers   Airborne Extra-Light Jeep Photos  The American Auto Industry vs. the German V-1 in WWII   American Auto Industry-Built Anti-Aircraft Guns in WWII   VT Proximity Manufacturers of WWII   World War One Era Motor Vehicles   National Museum of Military Vehicles   Revisions   Links

 Automobile and Body Manufacturers:  American Bantam Car Company   Briggs Manufacturing Company   Checker Car Company   Chrysler Corporation   Crosley Corporation   Ford Motor Car Company   General Motors Corporation   Graham-Paige Motors Corporation   Hudson Motor Car Company   Murray Corporation of America   Nash-Kelvinator   Packard Motor Car Company      Studebaker    Willys-Overland Motors

General Motors Divisions:  AC Spark Plug   Aeroproducts   Allison   Brown-Lipe-Chapin   Buick   Cadillac   Chevrolet   Cleveland Diesel   Delco Appliance   Delco Products   Delco Radio   Delco-Remy   Detroit Diesel   Detroit Transmission   Electro-Motive   Fisher Body   Frigidaire   GM Proving Grounds   GM of Canada   GMC   GMI   Guide Lamp   Harrison Radiator   Hyatt Bearings   Inland   Moraine Products   New Departure   Oldsmobile   Packard Electric   Pontiac   Saginaw Malleable Iron   Saginaw Steering Gear   Southern California Division   Rochester Products   Ternstedt Manufacturing Division   United Motors Service   Vauxhall Motors

 Indiana Companies:  Bailey Products Corporation   Chrysler Kokomo Plant   Continental Steel Corporation  Converto Manufacturing    Cummins Engine Company   Diamond Chain and Manufacturing Company   Delta Electric Company   Durham Manufacturing Company   Farnsworth Television and Radio Corporation   General Electric Kokomo Plant   Haynes Stellite Company   Hercules Body Company   Horton Manufacturing Company   Howe Fire Apparatus   International Machine Tool Company   J.D. Adams Company   Kokomo Spring Company   Magnavox   Muncie Gear Works   Pierce Governor Company   Portland Forge and Foundry   Reliance Manufacturing Company-Kokomo Plant   Reliance Manufacturing Company-Washington Plant   Republic Aviation Corporation - Indiana Division   Ross Gear and Tool Company   S.F. Bowser & Co.   Sherrill Research Corporation   Tokheim Oil Tank and Pump Company   Warner Gear   Wayne Pump Company   Wayne Works

Commercial Truck and Fire Apparatus Manufacturers:  American LaFrance   Autocar   Biederman Motors Corporation   Brockway Motor Company   Detroit General   Diamond T   Duplex Truck Company   Federal Motor Truck   Four Wheel Drive Auto Company(FWD)   International Harvester   John Bean   Mack Truck   Marmon-Herrington Company   Michigan Power Shovel Company   Oshkosh Motor Truck Corporation   Pacific Car and Foundry   "Quick-Way" Truck Shovel Company  Reo Motor Car Company  Seagrave Fire Apparatus   Sterling Motor Truck Company    Ward LaFrance Truck Corporation   White Motor Company

Aviation Companies:  Abrams Instrument Corporation    Frankfort Sailplane Company   Hughes Aircraft Company   Kellett Aviation Corporation   Laister-Kauffman Aircraft Corporation   Naval Aircraft Factory   P-V Engineering Forum, Inc.    Rudolf Wurlitzer Company-DeKalb Division  Schweizer Aircraft Corporation   Sikorsky Division of United Aircraft Corporation   St. Louis Aircraft Corporation   Timm Aircraft Corporation

Other World War Two Manufacturers:  Air King Products   Allis-Chalmers   American Car and Foundry   American Locomotive   American Stove Company   Annapolis Yacht Yard   Andover Motors Company   B.F. Goodrich   Baker War Industries   Baldwin Locomotive Works   Blood Brothers Machine Company   Boyertown Auto Body Works   Briggs & Stratton   Burke Electric Company   Caterpillar   Cheney Bigelow Wire Works   Centrifugal Fusing   Chris-Craft   Clark Equipment Company   Cleaver-Brooks Company   Cleveland Tractor Company   Continental Motors   Cushman Motor Works   Crocker-Wheeler   Dail Steel Products   Detroit Wax Paper Company   Detrola   Engineering & Research Corporation   Farrand Optical Company   Federal Telephone and Radio Corp.   Firestone Tire and Rubber Company   Fruehauf Trailer Company   Fuller Manufacturing   Galvin Manufacturing   Gemmer Manufacturing Company   General Railway Signal Company   Gerstenslager Company   Gibson Guitar   Gibson Refrigerator Company   Goodyear   Hall-Scott   Hanson Clutch and Machinery Company   Harley-Davidson   Harris-Seybold-Potter   Herreshoff Manufacturing Company   Higgins Industries    Highway Traile    Hill Diesel Company   Holland Hitch Company   Homelite Company   Horace E. Dodge Boat and Plane Corporation   Huffman Manufacturing   Indian Motorcycle   Ingersoll Steel and Disk   Iron Fireman Manufacturing Company   John Deere   Johnson Automatics Manufacturing Company   Kimberly-Clark   Kohler Company   Kold-Hold Company   Landers, Frary & Clark  Lima Locomotive Works   Lundberg Screw Products   MacKenzie Muffler Company   Massey-Harris   Matthews Company   McCord Radiator & Mfg. Company   Metal Mouldings Corporation   Miller Printing Machinery Company   Morse Instrument Company   Motor Products Corporation   Motor Wheel Corporation   National Cash Resgister Company   Novo Engine Company   O'Keefe & Merritt Company   Olofsson Tool and Die Company   Oneida Ltd   Otis Elevator   Owens Yacht   Pressed Steel Car Company   Pressed Steel Tank Company   Queen City Manufacturing Company   R.G. LeTourneau   Richardson Boat Company   R.L. Drake Company   St. Clair Rubber Company   Samson United Corporation   Shakespeare Company   Sight Feed Generator Company   Simplex Manufacturing Company   Steel Products Engineering Company   St. Louis Car Company   Twin Disc Company   Victor Adding Machine Company   Vilter Manufacturing Company   Wells-Gardner   W.L. Maxson Corporation   W.W. Boes Company   Westfield Manufacturing Company   York-Hoover Body Company   York-Shipley, Inc.   Youngstown Steel Door Company  
   

Clark Equipment Company in World War Two
Buchanan, MI (Currently Lexington, KY)
1903-Present

This page updated 3-9-2022.

The Clark Equipment Company's true contribution to the winning of World War Two has been overshadowed and masked by one of its smaller production products, the Clark CA-1 Airborne Tractor.  At most, 2,555 of these CA-1 tractors were built during the war, and Clark only built a small portion at its own plant.  This quantity is dwarfed by the 23,000 forklift trucks and Clarktor towing tractors built by Clark in 1945 alone.  Clark also kept the important production lines going at military truck manufacturers by supplying axles and transmissions for many of their vehicles.   During World War Two these products were the primary volume for the US military, even though Clark is better known for the CA-1 Airborne Tractor it designed and built.  Today the CA-1 can be found in military museums.  Its Clarktor four-wheeled aviation tractor is also found at museums.  It is still a working tractor at airports and flying museums.  Forklifts are not found at any of these venues.  Yet after World War Two, the name Clark was synonymous with forklift trucks.  Clark forklifts were predominant in the factories in which the author worked during the manufacturing portion of my career.
 


The Clark Equipment Plant in Buchanan, MI won the Army-Navy "E" Award two times during World War Two.
The Clark Equipment Tructractor Division Plant in Battle Creek, MI won the Army-Navy "E" Award five times during World War Two.


The raising of the E Flag at the Clark Battle Creek plant after it received its second star.  The plant would go on to win two more stars before the war was over.

Clark Equipment Company World War Two Products:  Clarktor 6 tractors, forklift trucks, axle housings for military trucks, transmissions for military trucks, cargo carriers, castings, and CA-1 Airborne Tractors.

The Battle Creek, MI plant had $112,315,000 in major contracts during the war.  The Buchanan, MI plant had $25,476,000 in conatract and the Jackson, MI plant had $61,000 in contracts for forgings.  The total between the three plants was $137,852,000 in major contracts during World War Two.

The Clark Tructractor Company was formed in Battle Creek, MI in 1919 as a division of the Clark Equipment Company, whose main products were tow tractors and forklift trucks.

Clark Equipment Forklift Trucks:  Clark forklifts were important to the American World War Two world-wide logistical effort.  The vast quantity of war material needed to execute the war was shipped from ports in the United States and delivered to military bases, depots, and ports by ships.  Once there, the material needed to be off-loaded and moved.  Designed to work outside, large Clark forklift trucks facilitated this movement.  They were at work at military installations around the world, assisting in getting war material to the front lines.


This is the standard model Clark Planeloader.  Image added 10-20-2021.


This is a 3/4 rear view photo of the standard model Clark Planeloader.  Image added 10-20-2021.


This version of the Planeloader has an overhead safety guard and counterweight on the rear of the vehicle.  Image added 10-20-2021.


This version of the standard model Clark Planeloader came equipped with a cab.  Image added 10-20-2021.

Medium and Medium/Heavy-Duty Truck Transmissions:  Clark is best known for its forklifts and tow tractors.  Its CA-1 Airborne Tractor has acquired somewhat of a cult status, due to its small size, uniqueness, and the limited quantity produced.  Just as important was Clark's manufacture of 608,333 transmissions for Medium Duty, and Medium-Heavy Duty trucks during World War Two.  Clark produced 571,124 transmissions in its Buchanan, MI plant for two of the most important American trucks, the GMC 2 1/2-ton 6x6 series trucks, and the GMC 2 1/2-ton 6x6 amphibious truck, more commonly known as the DUKW.

General Dwight D. Eisenhower considered both vehicles of paramount importance.

A quote from "The Great Crusade" by General Dwight D. Eisenhower:  "Incidentally, four other  pieces of equipment that most senior officers came to regard as among the most vital to our success in Africa and Europe were the bulldozer, the jeep, the 2 1/2-ton truck and the C-47 airplane."

Another quote from "The Great Crusade" by General Dwight D. Eisenhower, in reference to the Sicily invasion:  "This change resulted from the unforeseen availability of a considerable number of LST's and the quantity production of the "duck", an amphibious vehicle that proved to be one of the most valuable pieces of equipment produced by the United States during the war."

Clark Equipment Company Transmission Production for GMC 2 1/2-ton 6x6 and 6x4 Trucks, Diamond T 4-ton 6x6 Trucks, and Federal 4-6-ton 4x4 Tractors
The production numbers below are for the trucks.  Clark Equipment, being the only supplier for the transmissions for these vehicles, would have had similar schedules to meet the demand for the trucks.  Spare transmissions and parts are not included in the numbers below.

The monthly production acceptances for the trucks noted below come from "Summary Report of Acceptances, Tank-Automotive Material, 1940-1945"
published by Army Services Forces, Office, Chief of Ordnance-Detroit, Production Division, Requirements and Progress Branch
January 21, 1946 and "Engineering of Transport Vehicles," published by the Chief or Ordnance - Detroit.
Clark Transmission Model Number Truck Model 1940 1941 1942 1943 1944 1945 Total
204-VO 5-speed GMC 2 1/2-ton 6x6, 6x4 trucks (CCKW, CCW, AFKWX)  8,503 51,537 135,033 131,030 131,763 92,111 549,977
204-VO 5-speed GMC 2 1/2-ton 6x6 Amphibious trucks (DUKW)     235 4,508 11,316 5,88 21,147
Total 204-VO 5-speed   8,503 51,537 135,268 135,538 143,079 92,111 571,124
                 
 326-VO Diamond T 4-ton 6x6 trucks   3,484 4,612 8,098 5,287 7,283 29,090
326-VO Federal 4-6-ton 4x4 tractors   870 2,048 1,751 2,633 817 8,119
Total 326-VO     4,354 6,660 9,849 7,920 8,100 37,209
                 
Total Clark Transmissions built during World War Two   8,503 55,891 141,928 145,387 150,999 100,211 608,333

 


A GMC 2-1/2-ton 6x6 CCKW-353 with a Clark 204-VO transmission.  Author's photo added 8-9-2018.


A fully restored GMC DUKW was on display at the 2017 MVPA National Convention in Cleveland, OH.  It is one of 21,147 DUKWs that were equipped with the Clark 204-VO 5-speed transmission.  Author's photo added 8-9-2018.


This interesting display is a cutaway of the DUKW showing its internal structure.  Author's photo from the Wright Museum of WWII in Wolfeboro, NH, added 8-9-2018.


This photo shows the Clark 204-VO transmission between the GMC-built engine and transfer case.  Author's photo added 8-9-2018.


A close-up view of the Clark Equipment Product's 204-VO 5-speed transmission.  Author's photo added 8-9-2018.


This very nice restoration of a Diamond T wrecker was one of 29,090 Diamond T 4-ton 6x6 trucks that came with the Clark 326-VO transmission.  6,420 of the vehicles were wreckers.  Author's photo added 8-9-2018 from the Museum of American Armor in Old Bethpage, Long Island, NY.


The Clark 325-VO transmission was also used in 8,119 Federal Model  94x43 4-6-ton 4x4 Tractor COE tractors.  This one is on display at the Army Transportation Museum at Fort Eustis, VA.  Author's photo added 11-26-2021.


 Attached to the Federal Model 94x43 is a Highway Trailer Company Model 1025 two-wheel 10-ton semi-trailer.  Author's photo added 11-26-2021.

Clark Equipment Company Front Axle Assemblies for the Studebaker US6 2-1/2-Ton 6x4 Truck:  Clark Equipment Company supplied 90,742 non-powered front axles for the US6 2-1/2-Ton 6x4 truck. 


This Studebaker US6 is actually a 6x6, but with the exception of the front axle, identical to the 6x4.  Clark Equipment Company provided its model number 105-F-151 front axle through US6 6x4 serial number 260.  Starting with serial number 261, Clark model number 105-F-152 was used.  The unpowered front axle was of I-beam construction.  Author's photo added 12-10-2021.   

Clark Equipment Company Drive Axle Assemblies for the Studebaker M28, M29, and M29C Cargo Carriers:

 Clark Equipment Company Drive Axle Assemblies for the Studebaker M28, M29, and M29C Cargo Carriers
The production numbers below are for the cargo carriers.  Being the only supplier for the drive axle assemblies, which included the drive axle transmissions, differentials, steering brakes, and final drives for these vehicles, would have had similar schedules to meet the demand for the trucks.  Spare drive assemblies and parts are not included in the numbers below.

The monthly production acceptances for the trucks noted below come from "Summary Report of Acceptances, Tank-Automotive Material, 1940-1945" published by Army Services Forces, Office, Chief of Ordnance-Detroit, Production Division, Requirements and Progress Branch
January 21, 1946 and "Engineering of Transport Vehicles," published by the Chief or Ordnance - Detroit.
Clark Drive Axle Assembly Model Number Type 1942 1943 1944 1945 Total
S-125D-2 (First 30 units) S-126D-1 (Units 31 and above) Carrier, Cargo, Light, M28 (T15) 306 460     766
3-127D-1 Cargo, Carrier, Light, M29 (T24)   1,525 2,951   4,476
3-127D-1 Cargo, Carrier, Light, M29C (T24)     4,401 6,446 10,847
Totals   306 1,985 7,352 6,446 16,089


The M28 front drive cargo carrier.  Image added 10-20-2021.


The M28 Clark-built drive axle.  Image added 10-20-2021.


The M29 rear drive cargo carrier.  Image added 10-20-2021.


The M29 Clark-built drive axle.  Image added 10-20-2021.


This M29C was on display at the MVPA 2021 Convention in South Bend, IN.  Author's photo added 10-20-2021.


This M29 was also on display at the MVPA 2021 Convention in South Bend, IN.  Author's photo added 10-20-2021.

The CA-1 Airborne Tractor:  The number of CA-1s, and which company actually built them during World War Two, is muddled and confusing.  Clark built thirteen C-1 prototypes.  It then went into production as the CA-1 in late 1942.  Delivery of the first of the originally contracted 162 units began in March 1943.  In September 1943, the American Machine and Metals Company (AM&M) in Moline, IL was subcontracted for final assembly of the CA-1 using Clark provided parts.  By the time production of the CA-1 ended, AM&M was making all of the components, except for the transmissions and final drive assemblies.  Clark subcontracted the work because the CA-1 was a small production run, and it needed the production capacity for the thousands of forklifts and tractors needed by the military. 

Two numbers are given as the total number of CA-1s built during World War Two by Clark and its subcontractor, American Machine and Metals Company.  This depends on which historian one uses as a reference.  However, as shown below in the highlighted cells in the table and the photos below the table, Version B is correct.  My research has found two CA-1s with contract dates of 5-25-1944, as predicted by Version B.

Clark and American Machine and Metals Company CA-1 World War Two Production
Contract Contract Date Number Built Version A Number Built Version B Serial Numbers Comments
Prototype C-1     10   The reason that that Version B adds ten C-1 prototypes is because ten were shipped to the 871st Airborne Engineer Battalion at Westover Field, MA.  These units then went with the 871st when it deployed to North Africa.
W-145A-ENG-511 11-10-1942 162 162 CA-1431 to CA143162 This contract was fulfilled by Clark.
W-145A-ENG-614 3-10-1943 30 30 CA143163 to CA143192 This contract may have been fulfilled by Clark.
W-1088-ENG-3460 ? 36 0 CA143193 to CA143228 This contract may have been fulfilled by Clark.
W-1088-ENG-2155 2-8-1943 787 787  CA143229 to CA144016 This contract was probably fulfilled in part, if not completely, by AM&M.
W-145-ENG-2165 2-16-1943 106 106 CA1431016 to CA1431121 This contract was fulfilled by AM&M.
Three more unidentified contracts dated as shown. 5-12-1943, 8-2-1943, 5-25-1944 0 1,460 There is no known published list of serial numbers.

From the data plate of the CA-1 below, on display at Fort Leonard Wood, MO, we know that one of the serial numbers in this group is CA-1441144.  The CA-1 in restoration at the Michigan Military Technical Historical Society in Eastpointe, MI has serial number 1441232.  Both of these Airborne Tractors have contract dates of 5-25-1944.		 Version B is correct, as my research has  found two CA-1 Airborne Tractors with contract dates of 5-25-1944, and serial numbers greater that CA1431121.

 These contracts were fulfilled by AM&M.
Total Production   1,121 2,555    


Two of the thirteen prototype C-1 Airborne Tractors are undergoing testing by Clark technicians.

Author's note:  There are several significant photos below related to the Clark CA-1 Airborne Tractor.  The first two photos are of Serial Number 1433.  This is the third CA-1 to have been built and it is one of the 163 built by Clark.  It is the only one I am aware of that is a Clark-built version.

The photos of the two CA-1 Airborne Tractors shown after Serial Number 1433 prove that Version B, and a total of 2,555, not 1,121 units, were produced during World War Two.


This is the oldest known Clark-built CA-1 Airborne Tractor.  It is in France as part of a larger collection of military vehicles.  Photo courtesy of Carla Vignau added 4-16-2020.


The Serial Number CA-1433 is evident.  Photo courtesy of Carla Vignau added 4-16-2020.


Alex Schmidt of The Netherlands owns this C-1A Serial Number 143878.  It was built on 2-8-1943.  It was recovered in France, as it was used by the British in the invasion of Southern France in August 1944.  Photo courtesy of  Alex Schmidt added 8-1-2020.


This Clark Equipment CA-1 is on display at the Army Engineer's Museum at Fort Leonard Wood, MO.  Author's photo added 6-27-2018.


This is one of the 1,460 CA-1s with, until now, unknown serial numbers.  It is CA-1441144, with a contract date of 7-25-1944.  Even though American Machine and Metals Company built it, it has a Clark Equipment data plate, because Clark was the prime contractor.  Author's photo added 6-27-2018.  


Author's photo added 6-27-2018.


The Michigan Military Technical Historical Society in Eastpointe, MI is combining the pieces from two partial C-1A Airborne Tractors to make one restored unit.  Author's photo added 2-10-2019.


Author's photo added 2-10-2019.


Author's photo added 2-10-2019.


This portion of the restoration was built on 3-25-1944 and is Clark Serial Number 1441232.  Author's photo added 2-10-2019.

Author's note:  Below is the oldest CA-1 I have personally found in my search.


This CA-1 is on display at the Airborne and Special Ops Museum in downtown Fayetteville, NC.  Its contract date is 2-8-1943, making it the oldest one of its type I have found to date.  The Serial Number is 143948.  Author's photo added 5-4-2019.


Author's photo added 5-4-2019.


Author's photo added 5-4-2019.


Author's photo added 5-4-2019.

Author's note:  The CA-1 tractors below do not have any serial number identification.

 
This CA-1 Airborne crawler tractor is on display at the Indiana Military Museum in Vincennes, IN.  The CA-1 was designed by Clark Equipment Company for use by airborne engineering battalions, and to be airlifted into a battle zone by glider or C-47 aircraft.  The CA-1 allowed army engineers to prepare landing strips behind enemy lines.  Author's photo.


The CA-1 mounted a bulldozer on the front of the tractor.  Author's photo.


 Author's photo.


Author's photo.


Author's photo.


Author's photo.


This particular example is equipped with a Braden winch, which allowed the tractor to be extracted when stuck in mud.  Author's photo.


This example of a Clark CA-1 airborne tractor/bulldozer does not have the winch attached.  Author's photo from the National Museum of the United States Air Force in Riverside, OH.


Author's photo from the National Museum of the United States Air Force.


Author's photo from the United States Air Force.


This Clark CA-1 is on display at the Cradle of Aviation Museum in Long Island, NY.  Author's photo added 6-27-2018.

 
Author's photo added 6-27-2018.


This CA-1 was on display at the former Ropkey Armor Museum in Crawfordsville, IN.  It is unknown where this vehicle is currently located.   Author's photo.

How important were bulldozers to the winning of World War Two?  Below are the thoughts of General Dwight D. Eisenhower and Admiral "Bull" Halsey.

Asked about the weapons used to win the war, Admiral Halsey offered:  "If I had to give credit to the instruments and machines that won us the war in the Pacific, I would rate them in this order:  Submarines first, radar second, planes third, bulldozers fourth."

A quote from "The Great Crusade" by General Dwight D. Eisenhower:  "Incidentally, four other  pieces of equipment that most senior officers came to regard as among the most vital to our success in Africa and Europe were the bulldozer, the jeep, the 2 1/2-ton truck and the C-47 airplane."

Below is a prime example of why both General Eisenhower and Admiral Halsey included the bulldozer in their list of important machines that helped win World War Two.


On March 5, 1944, an airborne assault of thirty American GG-4A gliders landed behind enemy lines in Northern Burma, in a jungle clearing designated "Broadway."  Included in the landing were Clark designed CA-1 tractor/bulldozers.  Using the small bulldozers, army airborne engineers were able to prepare a 5,000 foot long runway within 24 hours, allowing more troops and supplies to come by C-47.  Note the CG-4A glider in the background.


The airstrip has been cleared out to allow the arrival of C-47 cargo aircraft.  General Eisenhower also cited particular aircraft in his list of important pieces of equipment during World War Two.

Clark Equipment Tractors: 


Clarktor tractors await shipment to airfields around the world.


Another contribution of the Clark Equipment Company during World War Two was the Clarktor-6 towing tractor or tug.  Production of the Clarktor-6 began in 1942 and ended in 1966.  Author's photo from the New England Air Museum added 8-9-2018.


This 1943 Clarktor-6 was on display at the 2019 MVPA National Convention in York, PA.  Author's photo added 3-9-2022.


This particular unit was one of six that were assigned to the Lordstown, OH Ordnance Depot.  It was shipped from the Clark plant on September 30, 1943 and served at the Depot until 1953.  It was then purchased by the York, PA airport where it served until 2016.  It is now owned by Mr. Jeremy Dettinger of York, PA.  Author's photo added 3-9-2022.


Author's photo added 3-9-2022.


Author's photo added 3-9-2022.


Author's photo added 3-9-2022.


Author's photo added 3-9-2022.


The serial number on the unit is DM 432050.   Author's photo added 3-9-2022.


 Author's photo from the National Museum of the USAF.


Author's photo from the National Museum of the USAF.


This Clark Equipment Clarkat is on display in the new annex that was opened in January 2019 at the Indiana Military Museum in Vincennes, IN.  Author's photo added 1-25-2019.


Author's photo added 1-25-2019.


Author's photo added 1-25-2019.


The Clarkat has serial number CK61-68 and code STD.  Author's photo added 1-25-2019.


Author's photo added 1-25-2019.


The Clark Buchanan, MI plant produced truck transmissions and axle housings during World War Two.  The plant won the Army-Navy "E" Award two times during WWII.


The Clark Battle Creek, MI Tructractor Division plant produced forklift and Clarktor tractors during World War Two.  The plant won the Army-Navy "E" Award five times.  At least 162 CA-1 Airborne Tractors were built in this plant.

 

 

 

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