Variable Speed Motors (Adjustable Speed) HP Low HP High RPM Low RPM High Volts Low Volts High Frame Search 447 to find 447tc, 447ty, etc. frames or use the ? for wildcard, ie: 44?t to find 447tc, 449ty etc. framesManufacturersDynamatic (29)Eaton (20)Louis Allis (16)Siemens (10)Baldor (9)Reliance (9)Abb (7)General Electric (7)U.S. Motors (5)Lincoln (4)Reeves (4)Globaltech (3)Nov (3)Square D (3)Weg (3)Dynamic (2)355ml (1)A.o. Smith (1)Allen-Bradley (1)Baldor-Reliance (1)Best Process Solutions (1)Dayton (1)Hitachi (1)Lift Tech (1)Marathon (1)Nidec (1)Rl2586 (1)Schneider Electric (1)Steveco (1)Teco (1)Teco Westinghouse (1)Turner (1)Ward (1)Wer (1)Westinghouse (1)Worldwide (1)LocationCalifornia (2)Colorado (5)Connecticut (19)Illinois (2)Indiana (17)Iowa (1)Kentucky (1)Michigan (2)Missouri (1)New Jersey (5)North Carolina (5)Ohio (69)Pennsylvania (3)Rhode Island (6)South Carolina (1)Tennessee (1)Texas (12)Washington (1)West Virginia (1)British Columbia (2)Motor ConditionAll ConditionsUsed Only (139)New/Rebuilt Only (17) Search by Keywords Try our Electric Motor Search 1 - 50 of 156 listings View All ListingsMotor ConditionAll ConditionsUsed Only (139)New/Rebuilt Only (17) Sort by Sort by RelevanceTitleRecently ListedYear (Newest)Price Low to HighPrice High to Low Show/Hide Photos Featured 4827 HP 900-1800 RPM Siemens, 660 Volts new 2024 with SINAMICS SM120 Drives, 2 Motors AvailableSteel Equipment Corp | Pittsburgh, PA 412-72... (Show) 412-721-6945 Category: Variable Speed Motors (Adjustable Spee...Seller: Steel Equipment CorpLocation: Pittsburgh, PA Mfr: SiemensYear: 2024 .25 HP 1725/1425 RPM Steveco #S6T97NB1A, 208-230/460 Volts, 3 phaseSmith Machinery Co | Ames, IA 515-23... (Show) 515-233-6330 Category: Variable Speed Motors (Adjustable Spee...Seller: Smith Machinery CoLocation: Ames, IA Mfr: StevecoHP 1/4 Volts 208-230/480 Phase 3 RPM 1725/1425 HZ 60/50. 1 HP 50/1720 RPM Eaton, AT-140010-4041,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 1 HP 542/1725 RPM Reeves, 11-E-18, vari-speed mechanical drive w/electric motor, 1725/542 RPM, 3.1800 ratioPower Zone Equipment | Center, CO 719-75... (Show) 719-752-2159 Category: Variable Speed Motors (Adjustable Spee...Seller: Power Zone EquipmentLocation: Center, CO Mfr: ReevesBrand/Model: Reeves 11 E 18 : Vari-speed motordrive reducer, with electric motor HP: 1 RPM: 1725/542 Ratio: 3.1800. 2 HP 0/1615 RPM Eaton, OAS-140204-0001,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 2 HP 0/1650 RPM Eaton, AS-140204-0001,45VDC, 230/460 Volts (2 available)Traver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: EatonGet email updates for newly added Variable Speed Motors (Adjustable Speed)New Listing AlertVariable Speed Motors (also known as adjustable speed motors or VFD-compatible motors) are designed to operate at different speeds by adjusting the power supply frequency or voltage. Commonly used in industries like HVAC, manufacturing, and automation, they are ideal for pumps, fans, and conveyors. Variable speed motors are essential for improving energy efficiency, process control, and equipment performance in variable-load applications. 2 HP 0/1685 RPM Eaton, M3-103596-9023,40VDC, 200 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 2 HP 50/1640 RPM Eaton, AT-140020-4011,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 2 HP 50/1685 RPM Eaton, A2-110182-0001,45VDC, 230/460 Volts (2 available)Traver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 2 HP 1750/850 RPM Baldor Electric Motor, Frame 184T, 460 Volts, 3 phase, 60 HzIngalls Process Equipment | Painesville, OH 440-27... (Show) 440-276-3052 Category: Variable Speed Motors (Adjustable Spee...Seller: Ingalls Process EquipmentLocation: Painesville, OH Mfr: BaldorOne (1) used Baldor Electric Motor 2/1 HP Frame: 184T 1750/850 RPM 460 Volt 3 phase, 60 Hz. 2 HP 855/870 RPM BEST Best Process Solutions BE-4400-8B, vibratory motor, 230/460 VoltsIngalls Process Equipment | Painesville, OH 440-27... (Show) 440-276-3052 Category: Variable Speed Motors (Adjustable Spee...Seller: Ingalls Process EquipmentLocation: Painesville, OH Mfr: Best Process SolutionsOne (1) refurbished vibratory motor Model: BE-4400-8B Serial number: US5X050008 Distributed by B.E.S.T (Bulk Equipment Systems Technology) Process Solutions 2 HP, 230/460V, 3 phase, 7.5/4.4 Amps 855/870 RPM Max Force: 4400 lbs. (currently set to 70%). 3 HP 0/1100 RPM Dynamatic, ACM9033,45 vdc cl, 230/460 Volts (5 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 3 HP 0/1575 RPM Dynamatic, AS-140,90 vdc clutch, 230/460 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 3 HP 0/1675 RPM Eaton, ACM-904,110VDC, 208-220/440 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 3 HP 0/1715 RPM Eaton, M1-100068-9033,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 3 HP 0/3350 RPM Dynamatic, ACM9032,45VDC cl, br, 230/460 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 3 HP 50/1680 RPM Dynamatic, AC-184,45 & 90VDC cl, 230/460 Volts (8 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 3 HP 50/1685 RPM Eaton, OAT180030-4041,45VDC, 208-230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 3 HP 88.8/288 RPM U.S. Motors, Frame 15-182T-22, AC motor, new, 230/460V.Willier Electric Motor Repair | Gibbsboro, NJ 856-62... (Show) 856-627-3535 Category: Variable Speed Motors (Adjustable Spee...Seller: Willier Electric Motor RepairLocation: Gibbsboro, NJ Mfr: U.S. Motors 3 HP 100/1670 RPM Dynamatic, ACM-903/4,110vdc cl, 220/440 Volts (5 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 3 HP 100/1675 RPM Louis Allis, ACM-904,110VDC, 208-220/440 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Louis Allis 3 HP 100/1710 RPM Dynamatic, ACM-9033,45 & 90vdc cl, 230/460 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 5 HP 0/1670 RPM Louis Allis, AS-180604-01,90VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Louis Allis 5 HP 0/2860 RPM Louis Allis, ACM-9033,90VDC, 480 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Louis Allis 5 HP 5/25 RPM Louis Allis, varidrive, TEFCBB, 230/460 Volts (2 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Louis Allis 5 HP 13.4/134 RPM Reeves #B332, Variable Speed Motordrive Reducer, 31.4:1 RatioPower Zone Equipment | Center, CO 719-75... (Show) 719-752-2159 Category: Variable Speed Motors (Adjustable Spee...Seller: Power Zone EquipmentLocation: Center, CO Mfr: ReevesBrand/Model: Reeves B332 : Vari-speed motordrive reducerDims 34"Lx21"Wx31"H HP: 5 RPM: 134/13.4 Ratio: 31.4000. 5 HP 50/1680 RPM Eaton, AC-186,45 & 90vdc cl/br, 230/460 Volts (10 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Eaton 5 HP 50/1685 RPM Dynamatic, Frame 180/4,45vdc cl, br, 230/460 Volts (6 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 5 HP 100/1675 RPM Louis Allis, ACM-210-904,110 vdc cl/br, 220/440 Volts (5 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Louis Allis 5 HP 100/1680 RPM Dynamatic, Frame 9033, 45VDC, br, 230/460 Volts (4 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 7.5 HP 0/1140 RPM Dynamatic, AS-25, 90VDC cl, 230/460 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 7.5 HP 0/1675 RPM Eaton, OAS-210754-001,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 7.5 HP 0/1685 RPM Dynamatic, AS-21,45 vdc cl, 230/460 Volts (3 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 7.5 HP 0/1700 RPM Eaton, Frame 9043,45 & 110 vdc cl/br, 230/460 Volts (2 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Eaton 7.5 HP 0/1710 RPM Eaton #A1-100214-00015,45V.cl, Drip-Proof Ball Bearing, 460 VoltsRow Electrical Equipment | Toledo, OH 800-24... (Show) 800-248-4479 Category: Variable Speed Motors (Adjustable Spee...Seller: Row Electrical EquipmentLocation: Toledo, OH Mfr: Eaton 7.5 HP 18/56 RPM Louis Allis, varidrive, TEFCBB, 230/460 Volts (2 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Louis Allis 7.5 HP 50/1670 RPM Dynamatic, Frame ACM-906,90vdc cl, 230/460 Volts (3 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 7 100/1675 Louis Allis, ACM-904, 45 & 110vdc, cl/br, 220/440 V.(4 available)Doug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Louis Allis 7.5 HP 100/1695 RPM Eaton, ACM-264-905,100VDC, 208/220/440 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 7.5 HP 100/1800 RPM Eaton, M-100001-0906,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 7.5 HP RPM Square D, ATV66D16N4, Adjustable Speed Drive, 33 A 440/460 Volts, 400Hz, 3 PhaseOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Variable Speed Motors (Adjustable Spee...Seller: OK Sales IncLocation: Burlington, NC Mfr: Square D 7.5 HP RPM Square D, ATV66D16N4, Adjustable Speed Drive, 33 A 440/460 Volts, 400Hz, 3 PhaseOK Sales Inc | Burlington, NC 336-39... (Show) 336-396-6816 Category: Variable Speed Motors (Adjustable Spee...Seller: OK Sales IncLocation: Burlington, NC Mfr: Square D 7.5 HP RPM U.S. Motors Varidrive, Varispeed Drive, Bridge MountedPerry Videx LLC | Hainesport, NJ 609-26... (Show) 609-267-1600 Category: Variable Speed Motors (Adjustable Spee...Seller: Perry Videx LLCLocation: Hainesport, NJ Mfr: U.S. MotorsUsed U.S. Varispeed 7.5 HP drive, bridge mounted., US VARIDRIVE 7.5 HP. 10 HP 50/1630 RPM Eaton, AT-210100-4041,45VDC, 230/460 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 10 HP 100/1675 RPM Eaton, ACM-905,45 & 110vdc cl/br, 220/440 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Eaton 10 HP 100/1675 RPM Louis Allis, ACM-906,110VDC, 208-220/440 VoltsTraver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Louis Allis 10 HP 100/1675 RPM Louis Allis, Frame 256UD, #ACM906,110 VDC, 550 VoltsJet Electric Motor Co | Pawtucket, RI 401-72... (Show) 401-725-9050 Category: Variable Speed Motors (Adjustable Spee...Seller: Jet Electric Motor CoLocation: Pawtucket, RI Mfr: Louis Allis 10 HP 100/1800 RPM Eaton, M-100001-0906,45VDC, 220/440 Volts (2 available)Traver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 10 HP 150/1630 RPM Eaton, AT-210100-4041,45VDC, 230/460 Volts (3 available)Traver IDC | Waterbury, CT 203-75... (Show) 203-753-5103 Category: Variable Speed Motors (Adjustable Spee...Seller: Traver IDCLocation: Waterbury, CT Mfr: Eaton 10 HP 175/1660 RPM Dynamatic, Frame AS-21, Drip-Proof Ball Bearing, 45 VDC, 230/460 VoltsDoug Beat Co | Toledo, OH 419-86... (Show) 419-865-4001 Category: Variable Speed Motors (Adjustable Spee...Seller: Doug Beat CoLocation: Toledo, OH Mfr: Dynamatic 10 HP 1745/1445/1736 RPM A.O. Smith,, 208-200/400-230/460 Volts, Adjustable Speed, RefurbSurplus Asset Holdings Inc | Galion, OH 419-61... (Show) 419-612-5665 Category: Variable Speed Motors (Adjustable Spee...Seller: Surplus Asset Holdings IncLocation: Galion, OH Mfr: A.o. Smith Listings Per Page 50 Listings Per Page100 Listings Per Page Have One to Sell? 1 2 3 4 Next 50 Listings View All ListingsPopular Manufacturers in Variable Speed Motors (Adjustable Speed)Dynamatic (29)Eaton (20)Louis Allis (16)Siemens (10)Reliance (9)Baldor (9)General Electric (7)Abb (7)U.S. Motors (5)View More