Dating vintage neptune outboard motors

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They contemplated a larger radial design motor in the 1950's but dropped the idea. Model HP 1940-47 Sport King OB-410 2.5 1948 Sport King single 3 Sport King Twin 6 1949 S300 3 T600 6 1950 S350 3 T650 6 1951 T651 6 T651R 6 1952 S351 3 T651 6 T651R 6 1953 S353 3 T653 6 T653R 6 1954 S353 3 T653 6 T653R 6 1955 S353 3 T653 6 T653N 6 T653R 6 1956 S353 3 T653 6 T653N 6 Model HP 1950 1MBB Standard Single 4.2 2MB Deluxe Single 4.2 4MB Deluxe Lite Twin 7.9 1951 same as 1950 1952 same as 1950 1953 M-2L Fisherman Special 3.5 M-3L-GS Gear Shift 5 M-4L-GS Gear Shift 8.5 1954 M-2LL Fisherman Special 3.5 M-3LL-GS Gear Shift 5.5 M-4LL-GS Gear Shift 7.5 M-6LL-GS Gear Shift 15 1955 same as 1954 1956 M-2N Fisherman Special 4.2 M-3NGS Gear Shift 6 M-4NGS Gear Shift 7.8 M-6NGS Gear Shift 15 1957 M-2N Fisherman Special 4.2 M-3N-GS Gear Shift 6 M-4N-GS Gear Shift 7.8 M-6N-GS Gear Shift 15 Model HP starting serial number 1946 60 7.2 25000 1947 40 4.5 15000 60 7.2 25000 1948 20 2.3 5000 40 4.5 15000 60 7.2 25000 1949 20 2.3 5000 40 4.5 15000 60 7.2 25000 1950 20 2.3 5000 40 4.5 15000 60 7.2 25000 66 7.2 25000 Hi-Speed 60 7.2 25000 100 10 55000 1951 20 2.3 5000 45 Synchro-twist 4.5 15000 75 Synchro-twist 7.5 25000 75 Twist Shift 7.5 25000 Hi-Speed 60 7.5 25000 Hi-Speed 100 10 55000 Standard 100 10 55000 1952 45 4.5 Synchro-twist 75 Aquamatic 7.5 Twist Shift 100 Aquamatic 10 Twist Shift 1953 20 2.3 5000 45 4.5 Synchro-twist 75 Aquamatic 7.5 Twist Shift 100 Aquamatic 10 Twist Shift 200-EHA Silver streak 20 65000 200-EHO3 Silver Streak 20 65000 1954 20 2.3 A-15000 45 4.5 BB-58000 75 7.5 CC-117000 100 10 DB-19000 200 20 EHD-9000 200 20 EHA-9000 The Mc Culloch Corporation acquired Scott-Atwater in 1958 and kept the Scott name until 1963, after which they were called Mcculloch until production ceased in the late 1960's. See our HISTORY page for the story of Robert Mc Culloch.

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These were a private label motor made by OMC's Gale division.

Beginning in 1956 they were made by Scott and discontinued after 1961.

model starting serial number HP 1955 29 2.5 29-R 2.5 49-R 4 59-R 5.5 61-RR 5.5 1956 30 2.5 30-R 2.5 50-R 4 60-R 5.5 62-RR 5.5 1957 J7 31000 5 1958 J7 5 1959 J9 15000 5 1960 J9 80000 5 1961 J9 80000 5 1962 J9 95000 5 1963 J9 10700 5 1964 J9 Clinton 0001 5 J9 Chief 0001 5 J9 Apache 0001 5 1965 J9 Clinton 5 J9 Chief 5 J9 Apache 5 J5 Clinton III 3 J5 Sprite 3 J5 Apache 5 1966 Peerless III 089665 3 Peerless V 089665 5 Chief J9 00281 5 Sprite 55330 3 1967 Peerless V 089665 5 Chief J9 00281 5 1968 J9-1000 Clinton 157122 5 J9-1105 Chief 157122 5 J9-1150 Peerless 157122 5 1969 AJ9 Clinton 200061 5 BJ9 Clinton 230000 3.5 AJ9 Chief 210000 5 BJ9 Chief 240000 3.5 AJ9 Peerless 220000 5 BJ9 Peerless 250000 5 1970 J-200 2 J-350 3.5 J-500 5 J-700 7 Model Number HP 1956 Continental Sport 2.5 1957 Sport 1000 3 Sport Delux 1000 3 Commando 1000 3 Commando Delux 1000 3 Kit K1000 3 Kit Delux K1000 3 1958 Commando 302 8000 3 Commando 307 8000 3 Sport 300 8000 3 Sport 305 8000 3 Kit K8000 3 19 2.5 300 2.5 Kit 2.5 Model no. HP 1949 4921 49211001 4 4927 49271001 5 4923 49231001 7.5 1950 5020 50201001 3.6 5021 50211001 4 5027 50271001 5 5023 50231001 7.5 1951 5020 50201001 3.6 5021 50211001 4 5027 50271001 5 5023 50231001 7.5 5028 50281001 10 1952 5027 27251001 5 5023 23251001 7.5 5028 28251001 10 1953 2735 27351001 5 2335 23351001 7.5 2835 28351001 10 1954 2745 27451001 5 2345 23451001 7.5 2845 28451001 10 2945 29451001 16 1955 2755 27551001 5 2355 23551001 7.5 2855 28551001 10 2955 29551001 16 1956 2765 27651001 5 2365 23651001 7.5 2865 28651001 10 2665 26651001 30 Gale was a division of OMC, parent company of Johnson Evinrude. After 1959 they were made by Scott, and have a 574 model designation.

As a result the motors were very similar and sometimes identical. For a time in the 1950's, Gale was the world's largest producer of outboard motors. Model number HP 1946 571.58301 1.25 571.58401 2.5 571.58501 3.5 571.58601 5.5 1947 571.58521 3.5 571.58611 5.5 571.58621 5.5 1948 571.58701 6 571.58721 6 1949 571.58541 5 571.58731 7 1950 571.58301 1.25 571.58401 2.5 571.58531 5 571.58551 5 571.58741 7.5 571.58821 16 Elgin motors were sold by Sears from 1946 to 1963. After 1963 they were called Sears, Ted Williams or Gamefisher.

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