Powered by Marathon’s century-long heritage of American engineering excellence, the Marathon GT3136A Close Coupled Pump Motors is built to deliver robust performance, high efficiency, and consistent torque across demanding industrial and commercial applications. With key specifications including 50 HP, 230/460 V, 3600 RPM, a durable 326JM frame, and 113.0/56.5 Amps, this motor provides reliable, stable operation from the moment it is installed.
Constructed using premium materials and Class F insulation, the GT3136A features a rugged TEFC enclosure designed to withstand harsh environments, including high-moisture, dusty, and heavy-load conditions. Engineered for continuous Continuous duty, it delivers reduced thermal stress, lower vibration, and long-lasting durability, even in severe-duty or inverter-driven applications.
Designed for versatility, the Marathon GT3136A Close Coupled Pump Motors performs exceptionally well in pumps, compressors, HVAC systems, conveyors, material-handling equipment, agricultural machinery, and OEM industrial systems. Its Rigid Base configuration and broad NEMA/IEC compatibility make integration simple for both new installations and direct replacement scenarios.
Backed by Marathon’s reputation for durability, energy efficiency, and industry-proven reliability, this motor offers an excellent balance of performance and long service life. Electracore is your trusted Canadian supplier of genuine Marathon motors, providing expert technical guidance and fast nationwide delivery.
| Total Sales | 0 |
|---|---|
| Brand | Marathon |
| General Category | Pump > Close-Coupled Pump Motors |
| Product Category | Pump Motors |
| Sub Category | Close-Coupled Pump Motors |
| Horsepower | 50 |
| Voltage | 230/460 |
| RPM | 3600 |
| Amps | 113.0/56.5 |
| Frequency | 60 |
| Frame | 326JM |
| Enclosure | TEFC |
| Rotation | Reversible |
| Mounting | Rigid Base |
| Hazardous Location | DIVISION 2 T2B |
| Max Ambient | 40°C |
| Phases | 3 |
| Assemblybox Mounting | F1/F2 CAPABLE |
| Motor Orientation | Horizontal |
| Motor Type | Squirrel Cage Inverter Rated |
| Number Of Poles | 2 |
| CSA Certified | Yes |
| CE Certified | Yes |
| Duty Cycle | Continuous |
| Efficiency | 94.1 |
| Insulation Class | F |
| IP Rating | 55 |
| KVA Code | G |
| NEMA Design | B |
| Starting Type | Part Wdg Start Low Volt Only & Wye Start Delta Run Or Inverter |
| Overload Protector | No Protection |
| Power Rating In Kw | 37.0 |
| Speeds | 1 |
| Power Factor | 89 |
| Service Factor | 1.15 |
| Resistance Main | .128 |
| Speed2 | 3568 |
| De Bearing Size | 6312 |
| De Bearing Type | Ball |
| Ode Bearing Size | 6212 |
| Ode Bearing Type | Ball |
| Dim Unit | IN |
| Length | 31.77 |
| Width | 28.03 |
| Height | 28.14 |
| Shaft Diameter | 1.296 |
| Shaft Extension | 8.1 |
| Shaft Type | JM |
| C Dim | 34.04 |
| Frame Length | 11.56 |
| Frame Material | Cast Iron |
| Weight Unit | LB |
| Weight | 595.35 |
| Url-datapack | https://cdnmedia.regalbeloit.com/images/d120001/medias/docus/2076/Article_326TTFCD6007_DataPack_9.pdf |
| Connection Drawing No | EE7308AA |
| Outline Drawing No | SS620799-200 |
| Ul | Listed |
| Manufacturer | Regal Beloit |
| Part ID | 326TTFCD6007 |
| UPC | 722856063274 |
| Cross Reference | 199985.00 |
| Supersedes | N/A |
| Features | Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B IP55 enclosure on cast iron frames Inverter Duty 20:1 Variable Torque and 2:1 Constant Torque Class F Insulation Standard F1, reversible to F2 assembly. Dual frame mounting holes. |
Enter your email and we’ll confirm availability for this item before you place your order.

Marathon Motors provides durable, energy-efficient electric motors designed for industrial and commercial applications, including pumps, HVAC systems, compressors, conveyors, and material-handling equipment. Built for long service life and dependable performance, Marathon’s NEMA and IEC motors are trusted worldwide. Electracore is your reliable Canadian supplier of authentic Marathon products with fast delivery and technical guidance.
Matched products based on similar HP, RPM, Frame, Voltage, and Enclosure type.
HP: 50, RPM: 3600, Frame: 326JM, Voltage: 230, 460, Enclosure: TEFC
| HP | 50 |
| RPM | 3600 |
| VOLTAGE | 230, 460 |
| FRAME | 326JM |
| PHASE | 3 |
| ENCLOSURE | TEFC |

| HP | 50 |
| RPM | 3600 |
| VOLTAGE | 230, 460 |
| FRAME | 326JM |
| PHASE | 3 |
| ENCLOSURE | TEFC |

| HP | 50 |
| RPM | 3600 |
| VOLTAGE | 230, 460 |
| FRAME | 326JM |
| PHASE | 3 |
| ENCLOSURE | TEFC |