Leeson Motors

Leeson Motors

Leeson Motors CT Grove Gear Motor Products

Leeson AC and DC Motors, gearmotors, gear reducers

AC & DC Motors of all types

The LEESON motor lineup includes AC & DC designs in sub-fractional through hundreds of horsepower sizes for general purpose use and specific-duty applications. All popular enclosures and configurations are available, along with some not-so-easy-to-find items. To download a brochure click here.

Click here to contact HESCO to discuss your motor needs and any questions you may have.

LEESON’s Inverter Rated Insulation System (IRIS(TM)) comes standard – at no extra cost on all NEMA three-phase motors (1HP and larger) for  protection from inverter-induced voltage spikes.

AC Motors

Single-Phase General Purpose Motors  1/12–10 HP
1-Phase General Purpose Motors
• Totally enclosed and drip-proof
•  Rigid base, C-face, Rigid C-face
and Resilient base
• Overload protection available
  • Pumps
  • Machine Tools
  • Fans and Blowers
  • Material Handling
  • Compressors
  • Conveyor
   leeson phase 1 ac motor


Agricultural Motors

High Torque Rugged Industrial Designs
• 48–286T Frame
• Designed especially for the ag customer or the OEM
• Extra-high starting torque designs
• Manual and auto reset overload thermal protection
• Fully gasketed design for additional protection
• Sealed Bearing
  • Poultry Feeders
  • Silo Uploaders
  • Crop Drying
  • Compressors
  • Conveyors
  • Pumps
  • Barn Cleaners
  • Grain Stirrers
   leeson agricultural motors


Washdown Motorsbutton-read-more

Broadest Industry Solutions for maximum service
in Harsh Environments
• USDA-approved white epoxy paint
• Cast conduit box with stainless steel cover
• Internal corrosion resistant coatings on frame, base, end shields, rotor & stator
• Single-phase motors have electronic encapsulated starting switch
• 100% stainless steel three-phase designs
• 1/2–10 HP
  • Dairies
  • Beverage Plants
  • Food Processing
  • Slaughter Houses
  • Bakeries
  • Pharmaceutical
  • Plants
  • Car Washes
   leeson washdown motors
Fan & Blower Motors
Industrial and Commercial Fan Motors
  •  General Purpose 1/4–3 HP
  •  PSC Type: 1/4–1 HP
  •  Two-speed: 1/4–1 HP
  •  TEAO: 3/4–3 HP
  •  HVAC Blower: 1/3–5 HP
  •  Condenser Fan: 1–1.5 HP
  •  Commercial Duty: 1/4–1/2 HP
  •  Furnace & Air Conditioner: 1/4–3/4 HP
  •  Fan & Heat Pump: 1/6–3/4 HP
  •  Outdoor Condenser Fan: 1/6–3/4 HP
  • Direct and Belt-drive Air Handlers
  • Exhaust Fans
  • Pedestal Fans
  • Industrial Fans
  • Commercial Fans
  • Two-speed Fans
Leeson Fan Motors


Pump Motors

Commercial, Washdown and Explosion Proof Ratings Available

  • JM/JP close coupled
  • UL listed fire pump—Lincoln
  • Drip-proof, totally enclosed, washdown duty
  • EPACT efficient designs
  • Jet Pump in single- and three-phase from 1/2–3 HP
  • Stainless steel washdown
  • Carbonator pump designs
Centrifugal Pumps
Hydraulic Pumps
Water System Pumps
Fire Pumps
Turbine Pumps
Vertical end
Propeller Pumps
Leeson Pump Motors


Explosion Proof Motors

Industrial & Commercial Application Designs
•    56–449T Frame
•    Single-phase fractional to severe duty 449T frame
•    Class I Group D or Class I Groups C & D or Class II Groups F & G
•    1.15 service factor
•    UL listed for use with inverters
•    Available in EPAct & NEMA Premium™ efficiency
•    Severe duty features
•    Rigid and C-face mounts available

  • Pumps
  • Compressors
  • Gear Reducers
  • Machine Tools
  • Conveyors
  • PWM Drives
  • Petroleum and Gasoline
  • Grain Elevators
  • Paint Booths
Leeson Explosion Proof Motors


Brake Motors

 Dependable Stopping and Holding Brakemotors
•    1-Phase: 1/3–2 HP
•    3-Phase: 1/3–10 HP
•    Totally enclosed and drip-proof designs
•    Rigid base, Rigid C-Face and C-Face mounts available
•    Washguard and stainless
•    Brake kits and coupler brakes

  • Conveyors
  • Machine Tools
  • Door Openers
  • Elevators
  • Hoists
  • Baggage Handling
  • Packaging Equipment
 Leeson Brake Motors


Special Duty Motors

 High Quality, Short Run Specials—Application Specific Solutions
•    Boat Hoist Duty: 1/2–2 HP
•    Instant Reversing: 1/3–1 HP
•    Woodworking: 3/4–4 HP
•    Two-speed: 1/.25–10/2.5 HP
•    Compressor Duty: 1–20 HP
•    Severe Duty IEEE-841: 1–100 HP
•    50 HZ Motors: 1-Phase, 1/3–5 HP, 3-Phase, 1/4–5 HP
•    200–400 Volt : 1–10 HP
•    575 Volt: 1/3–450 HP
•    Medium Voltage: 150–700 HP
•    Elevator Duty: 15–100 HP
•    Automotive Duty: 3/4–100 HP

  • Boat Hoist
  • Woodworking Equipment
  • Compressors
  • Fans and Blowers
  • Parking Gates
  • Foundries
  • Elevators/Escalators
 Leeson Special Duty Motors


Vector Duty Motors

Constant Torque 2000:1 Speed Control
•    1–350 HP
•    Class F thermostat protection
•    Precision balanced
•    TENV and TEBC designs
•    3-year warranty
•    Encoder provisions
•    2000:1 constant torque

  • Material Handling
  • Extruders
  • Conveyors
  • Machine Tools
  • Transportation
 Leeson Vector Duty Motors


3-Phase General Purpose Motors

NEMA Premium—Meets IE3 Specifications—Inverter Duty
•    1/4–700 HP
•    143–449T frame offers high efficiency levels that meet NEMA Premium™•    Built for high cycle or long run-time applications
•    Drip-proof, totally enclosed, washdown and explosion-proof enclosures
•    IRIS™ insulation system—WATTSAVERe
•    Premium efficient motors with 3-year warranty
•    Inverter duty

  • Pumps
  • Gear Reducers
  • Conveyors
  • Compressors
  • HVAC
 Leeson 3-Phase General Purpose Motor


DC  Motors

Industrial & Commercial Design DC motors for Low & High Voltage Applications•    1/20–3 HP
•    Permanent magnet designs
•    Removable bolt-on base
•    NEMA C-face designs
•    12, 24, 36, 48, 90 and 180 Volt designs
•    PWM or SCR type controller rated
•    High starting torque
•    Permanently lubricated sealed bearings
•    Washdown, explosion proof and IEC models

  • Conveyors
  • Turntables
  • Textile Machinery
  • Reeling Equipment
  • Medical Equipment
  • Treadmills
  • Solar Panels
 Leeson DC motor


AC &DC Gearmotors

Little Motors, Big Solutions with Industry Interchange Designs
•    AC: 115/230V single-phase and 230/460V three-phase designs
•    DC: 90, 180 and low voltage designs
•    Right-angle and parallel shaft designs
•    Most common F.L. torque and RPM designs
•    AC and DC washdown designs
•    Bison, Bodine and Dayton Direct Interchange

  • Pumps
  • Conveyors
  • Turntables
  • Packaging Equipment
  • Augers
  • Food Processing Equipment
 Leeson AC DC Gear Motors



Grove Gear Motors

Recognized throughout the world as a leader in industrial-duty gear reducers, GEAR+MOTOR™ and integral gearmotors, Grove Gear offers a range of
products, from single reduction worm gear reducers to quintuple reduction helical-bevel reducers.  When there is a motor in use there is almost always a gear box connected and HESCO carries Grove Gear products to meet your needs whether you are designing a new system or replacing an existing setup.

For an overview of the Grove Gear solution available click here to download the Grove Gear brochure or contact HESCO sales to assist in choosing the correct hardware for your application.

 Worm Gear Reducers                                                       High Efficiency Gear Reducers                                   Ratio Multipliers


 Grove Worm Gear reducers  Grove High Efficiency Gear reducers Grove Ratio Multipliers

 For some interesting facts on electric motor efficiency click read more.                      button-read-more

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