K&O Drive Units and Screw Sets

Manufacture Dates: 1950’s

  • Small Electric Drive Unit No.40

    Drive Unit Specs:
    • 3-6 volt battery operation
    • No. 13 inboard motor with box
    • Includes:
    - screw
    - screw shaft
    - stuffing box
    - backplate
    - bracket
    - spring joint
    - rudder assembly
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Medium Electric Drive Unit No.41

    Drive Unit Specs:
    • 6-7.5 volt battery operation
    • No. 14 inboard motor with box
    • Includes:
    - screw
    - screw shaft
    - stuffing box
    - backplate
    - bracket
    - spring joint
    - rudder assembly
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Large Electric Screw Set No.42

    Screw Set Specs: (Source: The Story of “Fleet Line Marine” and K&O Models, Inc. - By Lance Liebig)

    • Includes:
    - screw
    - 10.5” screw shaft
    - Additional contents TBD once the set is found

    Rarity: 3.5/5
    Desirability: 4/5
    Value: 2.5/5

    *Ratings based on 1-5 with 1 being least and 5 being most

  • Twin Drive Electric Screw Set No.43

    Screw Set Specs: (Source: The Story of “Fleet Line Marine” and K&O Models, Inc. - By Lance Liebig)

    • Includes:
    - gear unit
    - twin drive counter-rotating
    - 8” screw shaft (2)
    - Additional contents TBD once the set is found

    Rarity: 3.5/5
    Desirability: 4/5
    Value: 2.5/5

    *Ratings based on 1-5 with 1 being least and 5 being most

  • Tiny Electric Screw Set No.44

    Screw Set Specs: (Source: The Story of “Fleet Line Marine” and K&O Models, Inc. - By Lance Liebig)

    • Includes:
    - screw
    - 4” screw shaft
    - Additional contents TBD once the set is found

    Rarity: 4/5
    Desirability: 4/5
    Value: 3/5

    *Ratings based on 1-5 with 1 being least and 5 being most

  • Gas Engine Screw Set No.46

    Screw Set Specs:
    • Class ½ A
    • Gas engine operation
    • Includes:
    - screw attached to screw shaft
    - stuffing box
    - back plate
    - bracket
    - Universal joint
    - rudder assembly
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Gas Screw Set No.47

    Screw Set Specs:
    • Class TBD
    • Gas engine operation
    • Includes:
    - contents TBD once set is found

    Rarity: 3.5/5
    Desirability: 4.5/5
    Value: 3/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Gas Screw Set No.48

    Screw Set Specs:
    • Class TBD
    • Gas engine operation
    • Includes:
    - contents TBD once set is found

    Rarity: 3.5/5
    Desirability: 4.5/5
    Value: 3/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Gas Screw Set No.49

    Screw Set Specs:
    • Class TBD
    • Gas engine operation
    • Includes:
    - contents TBD once set is found

    Rarity: 3.5/5
    Desirability: 4.5/5
    Value: 3/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Gas Screw Set No.50

    Screw Set Specs:
    • Class TBD
    • Gas engine operation
    • Includes:
    - contents TBD once set is found

    Rarity: 3.5/5
    Desirability: 4.5/5
    Value: 3/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Twin Gear Drive Boxes No.60

    Gear Drive Box Specs:
    • Gear drive unit
    • Operates twin screws from a single motor
    • Both screws turn in the same direction
    NOTE: Use either right or left-hand screws with this unit

    Rarity: 3.5/5
    Desirability: 4/5
    Value: 2.5/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Twin Drive Gear Box No. 110

    Gear Drive Box Specs:
    • Gear drive unit
    • Operates twin screws from a single motor
    • Screws turn in counter-rotational direction
    NOTE: Use right and left-hand screws with this unit

    Rarity: 3.5/5
    Desirability: 4/5
    Value: 2.5/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Electric Drive Unit Set No.103

    Drive Unit Specs:
    • 3-6 volt battery operation
    • No. 108 inboard motor with box
    • Includes:
    - screw
    - screw shaft
    - stuffing box
    - backplate
    - bracket
    - spring joint
    - rudder assembly
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Electric Screwset No.104

    Screw Set Specs:
    • Includes:
    - screw
    - screw shaft
    - stuffing box
    - moveable bracket
    - rudder assembly
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Twin Electric Screw Set No.104A

    Screw Set Specs:
    • Includes:
    - screws
    - screw shafts
    - stuffing box
    - brackets
    - rudder assembly
    - universal joints
    - assembly screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most

  • Screw Set No.105

    Screw Set Specs:
    • 0.25 - 0.49 gas engine operation
    • Includes:
    - screw
    - screw shaft
    - stuffing box
    - moveable bracket
    - universal joint
    - rudder assembly
    - assembly nuts/bolts/screws

    Rarity: 3/5
    Desirability: 4/5
    Value: 2/5

    *Ratings based on 1-5, with 1 being least and 5 being most