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    Big Ten Specifications


    Specifications: AC Model Big Ten Tractor

    Engine Briggs & Stratton, Model 243431   Speeds – Standard Drive  
    Type 4 cycle air cooled   First gear 2 MPH
    Horsepower 10   Second gear 3-3/4 MPH
    Bore and Stroke 3-1/16” X 3-1/4”   Third gear 6 MPH
    Displacement 23.94 cubic inches   Speeds – Optional Hi – Lo Drive  
    RPM 3600 max, full load   First gear Hi 1.5 MPH  Lo .8 MPH
    Air cleaner Oil foam   Second gear Hi 3.5 MPH  Lo 1.3 MPH
    Starter Electric & manual   Third gear Hi 6.0 MPH  Lo 2.2 MPH
    Governor Mechanical (flyweight)   Reverse Hi 3.0 MPH  Lo 1.1 MPH
    Electrical system 12 volt, combination starter-generator   Dimensions  
    Ignition Magneto   Height (at steering wheel) 37-1/4”
    Transmission Sliding spur gear and spiral bevel gear.  Three speeds forward and one reverse with standard drive.   Height (at hood line) 33-3/8”
         Six speeds forward and two reverse with optional Hi-Lo range pulley.   Width 34-1/4”
    Differential Planetary gear with controlled traction.   Length 68”
               Wheel tread 26”
    Tire Pressures     Wheel base 44”
    Rear (Standard Tractor) 8 PSI   Clearance (differential) 6”
    Front (Standard Tractor) 12 PSI   Clearance (drawbar) 7”
    Rear (With Loader) 20 PSI   Clearance (center housing) 15-1/4”
    Front (With Loader) 14 PSI   Clearance (front axle) 9”
    Rear (With Forklift) 20 PSI   Capacities  
    Front (With Forklift) 20 PSI   Engine case 4 pints
          Fuel tank 6 quarts
    Battery Allis Chalmers 40 ampere hour, 12 volt   Transmission 1-1/2 quarts, SAE 90 oil
    Shipping Weight Approximately 680 pounds   Bevel gear housing 1 pint, SAE 90 oil


    Source:  AC Service Manual, B SERIES TRACTORS, Part No 9003453, February 1976

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