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    Ford 681

    Ford 681 tractor photo  FO-20 I&T Manual: Ford 501, 600, 601, 700, 701, 800, 801, 900, 901, 1801, 2000, 4000
    I&T Shop Manual
    1957 - 1961   601 Workmaster Series





    The Ford 681 was the tractor with the most features in the 601 Workmaster series. In addition to the Select-O-Speed transmission, the 681 had an independent dual-speed power take-off (PTO).
     

    Production:

    Manufacturer:Ford
    Factory:Highland Park, Michigan, USA
    Original price (USD):$3,231 (1961)
     

    Variants:

    611:Select-O-Speed, no PTO
    621:Four-speed, no PTO or 3-point
    631:Four-speed, no PTO
    641:Four-speed
    651:Five-speed
    661:Five-speed, live PTO
    671:Select-O-Speed
    681:Select-O-Speed, dual-speed PTO
     

    Ford 681 Engines:

       Ford 2.2L 4-cyl gasoline
       Ford 2.4L 4-cyl diesel
       Ford 2.2L 4-cyl LP gas
    full engine details ...
     

    Capacity:

    Fuel:13 gal [49.2 L]
    Hydraulic system:2 gal [7.6 L]
    Rear axle:8 qts [7.6 L]
     

    3-Point Hitch:

    Rear Type:I
    Rear lift:1,250 lbs [567 kg]
     

    Power Take-off (PTO):

    Rear PTO:independent
    Rear RPMs:540/1000
     

    Dimensions & Tires:

    Weight:3300 to 5450 pounds
    Front tire:6.00-16
    Rear tire:11-28
    full dimensions and tires ...
     

    681 Serial Numbers:

    Location:Transmission case, top left, behind the starter.
    1957: 1001
    1958: 11977
    1959: 58312
    1960: 105943
    1961: 131427
    1962: 155531

    how to read serial numbers...

     

    Ford 681 Power:

    Engine:48.4 hp [36.1 kW]
    Belt (claimed):32 hp [23.9 kW]
    Plows:2 (14-inch)
    Drawbar (tested):26.81 hp [20.0 kW]
    PTO (tested):34.33 hp [25.6 kW]
    power test details ...
     

    Mechanical:

    Chassis:4x2 2WD
    Steering:manual
     power assist optional
    Brakes:differential mechanical expanding shoe
    Cab:Open operator station.
     

    Hydraulics:

    Capacity:2 gal [7.6 L]
    Total flow:4 gpm [15.1 lpm]
     

    Electrical:

    Ground:positive (6V)
     negative (12V)
    Charging system:generator
    Charging amps:20
     

    Battery:

    Number:1
    Volts:6 (gas/lp)
     12 (diesel)
    Amp-hours:80 (6V)
     135 (12V)
     

    Page information:

    Last update:February 12, 2012
    Copyright:Copyright 2012 TractorData LLC
    Contact:Peter@TractorData.com
    Copyright 2000-2012 - TractorData LLC. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.