There is a select group of collectors of scale model outboard boat motors. A book has been written about them, and their are just a few websites devoted to them. Two manufacturers come to light: K & O outboard models apparently manufactured diecast and plastic boat motors from 1952 to 1962. Alterscale now produces several precision scale models of Evinrude, Johnson and Honda boat motors.


Alterscale value and price guide

What's your 'Alterscale' worth? Here are some recently sold items (USA).

Picture Title Date Sold for
Toy Outboard Motor Mercury Mark 75 H Red 07/2019 $275.00
Toy Outboard Motor Mercury Mark 75 H Red 07/2019 $275.00
1957 Mercury Mark 55 Marathon Four 09/2019 $225.00
1957 Mercury Mark 75 Marathon Six 09/2019 $225.00
Toy Outboard Motor Mercury 1957 Mark 55 09/2019 $200.00

See all sold items for more prices.

Alterscale forum

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1 comment

Sheri - August 18, 2010
My Dad has an antique Evidrude scale boat motor. It is about 5-6 inches high and I am trying to find informaiton on it for him. Do you have any information that would help me identify how old it is? I think he said he had it for over 30 years..