The Model AA was based on a chassis that was similar in design to the Model A Ford, except it was substantially larger and heavier to accommodate the work this truck was designed for. The TTs rear wheels were also different from the front, with shorter, stouter, wooden spokes and wider, stronger, tires. Engine lubricated by gear pump, splash and gravity feed. To shift into reverse from neutral press the release catch on the side of the lever, located just below the gear shift lever ball, and move the lever to the extreme right out of range of the forward speeds, then directly back into reverse gear. The cabs were noisy, cramped and crude, lacking any creature comforts, while the metal beds were very shallow and not particularly sturdy. The engine featured an up-draft carburetor, six-volt generator, 2-blade fan, mechanical water pump, mechanical oil pump, electric starter and four-row radiator. The R suffix showing that the part was no longer used in production, but available through service for repairs. The Model A cam was ground as follows: Lobe Lift = 302 Valve lift = 289 @ 013 clearance duration @ valve seat to seat = 236 crankshaft degrees @ 015 clearance Lobe centers = 112 crankshaft degrees Intake center = 110 5 after TDC Intake opens = 7 5 before TDC Intake closes = 48 5 after BDC Exhaust opens = 51 5 before BDC . DEALS. The AA had leaf-springs mounted to the chassis and shackled to the rear-axle. If it has wood parts, it is a 60C. The Model A Restorers Club and the Model A Ford Club of America, along with the Ford Model AA Truck Club work to support members with technical advice and support along with displaying members vehicles as they are being restored. Model AA. The transmission was a manual three speed. During the AA production time period from December 1927 through February 1932, there were nine rear axle assemblies installed on the assembly lines as follows: AA-4000-A - Worm 7.25:1 - AA's without emergency brakes AA-4000-B - Worm 5.17:1 - AA's without emergency brakes AA-4000-E - Worm 7.25:1 - AA's with emergency brakes The 1928 Ford Model A/AA pickups are the utility versions of one of history's most important motor vehicles. Ford trucks didnt share the car lines sleek 1933 styling alterations, but did get a thicker grille housing and lower headlight bar, as shown on this little-changed 1934 pickup. Long before the Ford F-Series was introduced in 1948, Ford was producing and selling trucks. Pickup 131 " Fords V8 had grown so popular that the four-cylinder engine was fazed out during the model year, as was the roadsterlike Open Cab body for trucks. To shift into second from low speed, move the lever straight back through neutral into second speed. The windshield wipers started as hand operated and later models were powered by vacuum diverted from the intake manifold. The engine produced a maximum of 40 horsepower at 2,200 rpm. The additional gear in the transmission is a "granny" or "creeper" first gear with a higher reduction ratio than the first gear on a Model A Ford to provide more torque to move a loaded truck. Deluxe Pickup 131 " AA Dual Chassis 131" OTHERS . The switch was a three-stop switch for parking lights, headlights and high-beams. Ford had done an excellent job in mobilizing America. In reverse, the power comes in through the main drive gear into No. This designation was also used with the famous Ford Model T with the truck version named Model TT. This was out of a total of about 1,715,000 vehicles. length 2-1/14" (57-64 lbs. Exhaust closes= 8 after TDC. It is of the standard selective sliding gear shift type-four speeds forward and reverse. design-suffix note 1 new suffix letters (such as A, B, C, D) were not assigned to redesigned parts which were backward compatible with the prior part. Special wheels were produced for Ambulances and Funeral Coaches. Conventional heavy-duty trucks retained the previous years styling, as shown on this 1941 Ford Stake Bed (below). The new part was simply placed into production using the prior part id. The rear suspension did not have shocks. The information in general reflects original Ford data and was the best information available at the time of collection. Included were both current production parts and service only parts (i.e. These assemblies had a stronger clutch spring (AA-7556) for multiple-disc clutch units, AA-7563 clutch pressure plate and cover assembly for single-disc clutch units, or units with the 4-speed transmission and clutch. To please the perfectionist, we offer Concours grade windows intended for car show & points competition automobiles. At the individual assembly plants where each engine was installed, the id was also stamped on top of the frames left hand side member near the clutch petal as shown below. but excluding R) a non-unique part: Example 1 part A-13010-A head lamp case and support assembly (nickel) and A-13010-B head lamp case and support assembly (black). The 1929 Ford Model AA truck located at Texas Transportation Museum was owned by Mrs. Pat Monfrey. Exhaust closes = 4 5 after TDC, Intake opens= 8 before TDC Phenolic resin material, 50 spiral-cut teeth. Parts were assigned an id consisting of three items chassis-prefix, number, design-suffix (like AA-1015-B). That type of lifespan is excellent for any vehicle. Note For about 2-1/2 months, starting mid February 1928 (with engine ID A-26268), the AAs used the same multiple-disc clutch spring as was used for the A chassis. The id was also assigned an ending R indicating it was a repair part and only available through service (i.e. To eliminate the complexity and cost of its variety of postal trucks, and accommodate the needs of parcel post service. Panel Truck The right point holds the amp gauge, which shows the charge rate of the generator. While MAC's makes every effort to ensure accurate content, occasionally errors may occur. Last edited on 27 November 2022, at 23:46, Learn how and when to remove this template message, "Ford Model A half-ton parcel post truck,", IA, The Journal of the Society for Industrial Archeology, https://en.wikipedia.org/w/index.php?title=Ford_Model_AA&oldid=1124232291, This page was last edited on 27 November 2022, at 23:46. There are two national clubs that support the Model A/Model AA hobby and one club dedicated specifically to the Model AA. Ford. The very earliest Model A Fords were equipped with "Powerhouse" generators (shown below), which had a pancake shape & a body covered with sheet metal. Black edging refers to the process used to seal exposed glass edges & was necessary in the early years of automobile manufacturing. (See Fig. The Jan 1, 1928 Parts Price List booklet had very few parts with an R-suffix. The Ford Model AA came with the A chassis engine, A chassis 3-speed or AA 4-speed transmission. To shift into third from second, move the gear shift lever forward into neutral, then to the right and forward into third speed. As the Model T and TT became obsolete and needed to be replaced, Henry Ford began initial designs on the Model A and Model AA in 1926. Dearborn is a western suburb of Detroit. Photo Captions: 1. AA Dual Chassis 157" As the flywheel spins faster, a vibration will occur if its out of balance. Model year 1931 total production was half that figure at over 600,000 with Model AA truck production at 104,000. monetization_on. The pickup came with an all steel bed that was 56-inches long, 40-inches wide, and 13-inches high. Many were also fitted with one of the few Ford Motor Company approved after market conversions, namely the Ruckstell rear end, which was an Under-drive, or granny gear, that reduced ratios even further to provide even lower ratios for tackling steep hills and muddy roads. Sales & Service Teams now available 7 days a week! By 1914, third-party suppliers were building heavily modified versions of the Model T chassis capable of hauling up to three tons of cargo. "In appearance, in performance, in comfort, in safety, in all that goes to make a good car, it will bear out everything I have said here." The Dual High was an factory option, underdrive for AA's with the 3-speed transmission. Governor Franklin D. Roosevelt of New York bought one for use around his Hyde Park estate, and every star from Lillian Gish to Will Rogers seemed to own an A. The choke can adjust the flow of gasoline from the carburetor into the engine. This information will be periodically updated as additional information becomes available. The Ford Model AA Truck was offered with a variety of options. Crankshaft Specifications. Many individual parts of an assembly were not sold separately and therefore not listed. The part listing within the A and AA sections shows the part id, part name/description, price, and number per car (i.e. Ford Model AA as well as the Model A automobile was superior to the Model T in most respects. Parts used on both the A and AA were assigned an A prefix. (701.7 grams), Piston Skirt .001: small on the top than on the bottom of the skirt, Piston Pin Hole .9996" to .9998" diameter, Compression Height (Top of piston to pin centerline) 1-29/32", Variation in Piston Compression Height .003" to .005", Pin Fit in Piston .0002" to .0005" shrink fit, Pin Bore Parallel to Head of Piston +/- .001", Ring Diameter: Same as piston, 3.875" stock, Ring Groove: Depth, 7/32", Width - Upper 2, 1/8" Lower, 5/32", Ring Taper: .001"- narrower at the top than the bottom, Ring End Gap: Top .012" to .015"; Middle .010" to .012"; Lower .008" to .010", Balance Weight: 552 grams +/- 1 gram, crank end 198 grams +/- 1 gram, pin end, Crankshaft Bearing: 1-1/2" diameter, 1-5/8" wide, Piston Pin Bearing: 1" diameter, 1-5/8" wide, Pin Side Clearance: .040" to .053" between pin bosses. Save your vehicles, create project lists, and track your orders. Various body styles were available on different chassis. An AA with engine and frame ID of AA-98977 has been found. Starting in mid 1930 Ford also offered a 157 wheel base chassis. Model AA. Sites around the U.S. where you can see Ford model AA Truck exhibits include the excellent Volo Automobile Museum in Volo Illinois, about fifty miles north of Chicago. Spoked wheels similar in appearance to Model A wheels but much heavier were used during 1928. Bearing Cup B4222 . (2003). Preservation and restoration of these vehicles remains popular. Compression in individual cylinders: 77, 79, 82, 79 PSI, Normal Listed Compression: A6050A, 75 pounds; A6050B, 110 pounds; B6050, 90 pounds, Brake Horsepower: 40 HP at 2200 rpm (Model AF 28 at 2000 rpm), Compression Pressure:: A6050A head, 76 PSI A6050B head, 110 PSI B6050 head, 90 PSI, Cylinder Offset from Crankshaft Centerline: 1/8", Crankshaft to Camshaft Centerline: 4.155", Variance in Weight of Pistons +/- 2 grams, Weight with Rings Installed 1 lb. The designs of the Model A shared parts and materials with the Model AA Ford, notably the body, engine and interior. These were parts not used on the Ford passenger or commercial A chassis. ** If you cannot decide if your car body is a 60C or a 170A you can quickly tell by examining the front door post. Log in to add vehicles or quickly search your stored vehicles. Soon Ford replaced them with the more familiar generator that is shown below. The 1929 Ford Model AA shown in this article is on display at the San Antonio Texas Museum of Transportation located on Wetmore Rd.just northeast of the San Antonio International Airport. The switch was a three-stop switch for parking lights, headlights and high-beams. The top of the cluster holds the gas gauge, which directly connects into the gas tank, behind the dashboard. Clutch mounting surface & clutch disc surface must run true to crankshaft within .005" TIR (Total Indicator Reading). The obsoleted part became A-2473-R Brake equalizer operating shaft pin. wear 3.185", Front Spring Free Length: 30-13/16" to 30-15/16", Spring Off Car- Height from Top to Bottom as Sitting on Floor: 6-15/16" to 7-1/16", Spring Off Car- Center of Eye to Eye: 30-5/8" to 30-13/16", Rear Spring Free Length Tudor & Fordor: 38-7/8" to 39" Roadster & Coupes: 38-7/8" to 39-1/2", 1928 Head: 4.3:1 compression ratio, 47.3 HP, 242cc displacement. For the best experience on our site, be sure to turn on Javascript in your browser. On December 1, 1927, Henry Ford bought full-page ads in 2,000 newspapers to announce the 1928 Ford Model A automobile, the long-awaiting replacement for the Model T. "We believe the new Ford car is as great an improvement in motor car building as the Model T was in 1908," he declared. Model AA Ford has a four-speed manual gearbox. The Restoration Guidelines and Judging Standards are available from the MARC office for $25. Talk to the experts. For the images below, calculations are based on the transmission in high gear, Warford in overdrive or underdrive, dual-high in underdrive and 6.0020 tires. Ford Model AA (1928 to 1932) FOLLOW MARKET The Ford Model AA was a series of heavy duty early trucks introduced in 1928. The store will not work correctly in the case when cookies are disabled. The engine could also be crank started if necessary by a hand crank that is inserted through a hole in the radiator shell. Individual parts drawings show the design, specifications, and notations of an individual component within an assembly. GEMMER & PAT. The brakes are proportioned more toward the rear drums. Body design and style was developed and then outsourced to various body manufacturers, including Briggs and Murray. Please copy/paste the following text to properly cite this HowStuffWorks.com article: the Auto Editors of Consumer Guide 779.). The choke can adjust the flow of fuel from the carburetor into the engine. In 1924, sales were beginning to slip due to improving competition. Later models were fitted with braces on the outer casing of the rear-end to provide additional support to the rear-end housing. Body changes that occurred between 1929 and 1930 were also integrated into AA production, but leftover parts were used longer in the heavy commercial trucks. Underneath the dash on the right side is the choke rod. For more great articles and pictures on new and classic trucks, see: Special Offer on Antivirus Software From HowStuffWorks and TotalAV Security, For more great articles and pictures on new and classic trucks, see. GIFT CARDS. Corporations could have custom paint and other modifications made by Ford for fleets of vehicles. AA Chassis 131" The windshield wipers started as hand operated and later models were powered by vacuum diverted from the intake manifold. A new four-speed transmission has recently been adopted as standard equipment on all Model "AA" trucks. Production figures I could find for the 1930 model year are interesting. MARKETS AUCTIONS DEALERS GARAGE BLOG SELL YOUR CAR . 4 countershaft gear into the reverse idler gear. As the Model T and TT became obsolete and needed to be replaced, Henry Ford began initial designs on the Model A and Model AA in 1926. Also an emergency or parking brake on both rear wheels operated by the emergency brake lever. However, this didnt happen but the R was never removed from the worm gear axle part ids. Turning the knob on the choke rod clockwise closes the fuel flow, leaning out the engine; turning the knob counterclockwise opens the fuel flow to the engine. Learn more. This was a 201 cid 3.3 L power plant. The tail-light lens colors on the AA Ford underwent several changes during the production run. There were 35 sold in the last 5 years. The engine featured an up-draft carburetor, six-volt generator, 2-blade fan, mechanical water pump, mechanical oil pump, electric starter and four-row radiator. Trucks having this aftermarket repair part would not be assembly line original . (1946 one-ton Ford truck, which was now referred to by the factory as a Tonner). Specialty bodies include: Funeral Coach, Ambulance, Express Pickup, Dump Truck, and a cab without a bed. VIN. Many parts were assemblies. The engine produced a maximum of 40 horsepower at 2,200 rpm. This Escape can be purchased used for anywhere . Adjusting the timing of the engine change the time that a spark will occur in the combustion chamber and those changes affect the performance of the engine. Pages with non-numeric formatnum arguments, Motor vehicles manufactured in the United States. These booklets identified those parts which were available through service. Adjusting the timing of the engine changes the time that a spark will occur in the combustion chamber and those changes affect the performance of the engine. 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