| Catalog number | 1945 | 1948 | 1949 | 1951 | 1954 | 1957 | 1963 | 1965 | 1968 | 1972 | 1975 | 1982 | 1988 | 1995 |
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31-105
Direct-drive with steel stand; motor and switch extra.
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31-111
Steel stand with single-phase motor and switch.
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31-113
Steel stand with three-phase motor and manual starter.
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31-110
Direct-drive with totally enclosed steel stand; motor and controls extra.
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31-125
Sub-base and 1 HP single-phase motor with push-button switch; stand extra.
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31-126
Sub-base and 1 HP single-phase motor with 24-volt magnetic controls; stand extra.
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31-131
Sub-base and 1 HP, 230/460-volt three-phase motor with magnetic controls; stand extra.
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31-132
Sub-base and 1 HP, 200-volt three-phase motor with magnetic controls; stand extra.
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