Adjustable Motor Base – Type 4B

A heavy-duty base, specially designed by Overly Hautz for applications requiring ease of motor adjustment without loosening motor mounting bolts. Widely applied in the 5 to 75 horsepower class, NEMA frame size 180 to 360.

Dimension Sheet Catalog

Type 4B

Base No. / Part No.NEMA Motor Frame No.Wt.ABCDEFGHKLMN
1750 RPM1160 RPM
11B254, 254U254, 254U3714 3/8139 1/49 1/26 1/21/2133 7/81024 1/84 1/8
215215, 215T3/88 1/22 3/43 1/23 1/2
184T184T3/87 1/23 1/42 3/42 3/4
213T213T3/88 1/22 3/42 3/42 3/4
22B284, 284U284, 284U3714 3/8139 1/49 1/26 1/21/2133 7/8111 1/24 3/44 3/4
256U256U, 256T1/210255
215T.....3/88 1/22 3/43 1/23 1/2
254T254T1/21024 1/84 1/8
33B324, 324U324, 324U4816 3/81411 1/210 1/27 3/45/815 3/44 3/812 1/21 3/45 1/45 1/4
326, 326U326, 326U5/812 1/21 3/466
286U, 286T286U, 286T1/2112 1/25 1/25 1/2
256T.....1/210355
284T284T1/2112 1/24 3/44 3/4
45B364, 364U364, 364U5618 3/81612 1/412 1/285/816 1/24 3/81425 1/86 1/8
3653655/81426 1/86 1/8
324T324T5/812 1/22 3/45 3/44 3/4