Marathon
Marathon GT1836 - 50 HP, TEFC, Frame 326TS
Model: GT1836

Marathon GT1836 motor — 50 HP, 3-phase, 200 V, 3600 RPM, 326TS frame, TEFC, 94.1% efficiency, 1.15 SF, Globetrotter General Purpose Totally Enclosed line.
Technical Specifications
| Horsepower (HP) | 50 |
| Frame Size | 326TS |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 3600 |
| Voltage | 200 |
| Phase | 3 |
| Electrical Type | AC Induction |
| Efficiency (%) | 94.1 |
| Service Factor | 1.15 |
| Weight (lbs) | 634 |
| Duty Type | General Purpose |
| Shaft Diameter | 2.125 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Catalog Line | Globetrotter General Purpose Totally Enclosed |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.41 |
| IP Rating | IP55 |
| Ip Rating Source | Marathon 2026 Catalog p.41 |
Manufacturer

Marathon
A Regal Rexnord brand manufacturing industrial-grade electric motors. Known for Blue Chip XRI, Black Max, and severe duty product lines.
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