Marathon Motors

Marathon Motors

Marathon Motors

Since 1913, Marathon® Motors have developed conservative motor designs with your facility in mind. The brand was founded on a single washing machine motor with a simple brand promise: “produce the most efficient and long-lasting motors.” Today, the Marathon motor line provides high quality, ultra-efficient solutions for 100s of industries, delivering efficient mechanical power solutions using AC electric motors up to 1250 HP.

Let IBT Industrial Solutions be your #1 source for Marathon AC Motors, Marathon DC Motors—and any other quality engineered, Marathon Electrical Products your business requires.

The Marathon brand encompasses 1000s of products and solutions: Single and three phase AC motors, NEMA and IEC motors, low and medium voltage motors, PMDC motors, radial and axial flux motors. Select from top-selling motor lines, such as:

48-445T FRAME


  • Built for the OEM and the replacement market
  • Many designed in features for easy installation
  • Patented VoltageChange-Device (VCD) for easy voltage selection
  • Dripproof and totally enclosed constructions
  • Many shaft lengths and diameters available with combination key/flat
  • VFD suitable products in three phase platforms
  • Robust performance and construction for reliable operation

48-56 FRAME


  • Totally enclosed, Drip proof & Explosion Proof enclosures
  • Rigid base, C-Face with rigid base and C-Face mountings available
  • Stocked in both single and three phase
  • Designs starting at 1/12 HP up to 3 HP
  • Reduce inventory costs with innovative products like the Four-In-One, featuring a bolt-on removable rigid base, 1/4 through 10 HP

48-256T FRAME


  • Designed especially for the farmer or the OEM
  • Extra-high starting torque designs: Chore Motor®, Crop Dryer, Auger Drive, Farm Duty, Centrifugal Fan and more
  • Patented centrifugal Power Switch for extra starting power
  • Manual reset overload thermal protection
  • Fully gasketed design for additional protection

56-215T FRAME


  •  USDA-approved white epoxy paint
  • Cast conduit box with stainless steel cover
  • Internal corrosion resistant coatings on frame, base, endshields, rotor & stator
  • Max Guard® insulation system
  • Single phase motors have electronic encapsulated starting switch
  • 100% stainless steel three phase designs available,
  • 1/2 through 10 HP

56-508 FRAME


  • JM/JP close coupled pump, vertical & horizontal mounts
  • Vertical solid shaft P-Base
  • UL Listed Fire Pump
  • Dripproof, Totally Enclosed, Severe Duty, IEEE-841, & Explosion Proof enclosures
  • EPAct & NEMA Premium™ Efficiency designs available
  • Jet Pump in single and three phase

56-449T FRAME


  • Broadest range of XP motors in the industry
  • Single phase fractional to Severe Duty 449T frame
  • Class I Group D or Class I Groups C & D, Class II Groups F & G
  • 1.15 service factor
  • UL Listed for use with
  • ANY PWM DRIVE on the market
  • Available in EPAct & NEMA Premium™ Efficiency
  • Severe Duty Features



  •  ODP and TEFC up to 200HP
  • 10:1 VT and 2:1 CT on ODP
  • 10:1 VT and 10:1CT on TEFC
  • Class F Insulation
  • F1 assembly, reversible to F2
  • UL Recog

143-449T FRAME


  • Premium efficient XRI® design
  • 100% cast iron construction
  • Internal and external epoxy coatings
  • Brass drain and breather • MAX GUARD® insulation system surpasses NEMA MG1, Part 31
  • Meets IEEE45 USCG Marine Duty
  • CSA Certified for Division 2 hazardous locations
  • IEEE-841 meets IP56 & features special foot flatness, Inpro-Seal® bearing isolators and five year warranty

NEMA 449 – IEC560


  • 100 through 2500 HP
  • Blue Chip XRI® Severe Duty features
  • 100% Cast iron construction for reduced vibration
  • Form-wound stator coils with Vacuum Pressure Impregnation (VPI) system
  • Rotating shaft seals
  • NEMA Design B torques
  • 5000 Frame comes with multiple foothole drillings for easy retrofit

63-225M FRAME


  • Meets IEC 34 electrical standards and IEC 72 dimensions and tolerances
  • Designed for 50/60 Hz operation
  • IP55 Weatherproof enclosures • Wye Start-Delta Run on 7.5 KW & higher
  • Meets EPAct and NRCan efficiencies
  • Design N with NEMA Design B torques
  • Meets IEEE45 and IEC 60092 requirements for use in onshore & offshore



  • Ultra Efficient™ (IE4 or higher)
  • 100% cast iron frame construction
  • Constant Torque over variable speed
  • IP45 – IP56 rated enclosures
  • Class H Max Guard Insulation System
  • Three-year warranty

56-449T FRAME


  • microMAX™ is a direct replacement for PMDC motors & delivers up to 1000:1 constant torque
  • Black MAX® Plus provides 1000:1 constant torque, maximum performance & cost-effective construction
  • Blue MAX® 2000 provides 2000:1 constant torque and cast iron construction
  • MAX GUARD® insulation system exceeds NEMA
  • MG 1-31 requirements & eliminates cable length restrictions

Marathon has been dedicated to providing customers with quality products for targeted applications. Located in Wausau, Wisconsin, the company is composed of two strategic product lines: motors and generators. Visit their website:

IBT currently has a Marathon Farm / Ag Duty Motors Program. 

Click HERE to learn more! 

Get in touch for help and information

Our head office address:

9400 W 55th St, Merriam, KS 66203

Call for help:

(913) 428-2858