Marathon
Marathon W660A-P - 400 HP, TEFC, Frame 449T
Model: W660A-P
Marathon W660A-P motor — 400 HP, 3-phase, 460 V, 1800 RPM, 449T frame, TEFC, 96.2% efficiency.
Technical Specifications
| Horsepower (HP) | 400 |
| Frame Size | 449T |
| Enclosure | TEFC |
| Full Load Speed (RPM) | 1800 |
| Voltage | 460 |
| Phase | 3 |
| Full Load Amps (A) | 442 |
| Weight (lbs) | 3199 |
| Category | Severe Duty |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 96.2 |
| Shaft Diameter | 3.375 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Foot Mounted |
| Mounting Type Source | Marathon 2026 Catalog p.59 |
| Duty Type | General Purpose |
Manufacturer
Marathon
A Regal Rexnord brand manufacturing industrial-grade electric motors. Known for Blue Chip XRI, Black Max, and severe duty product lines.
Visit WebsiteAPI Access
Access this product data programmatically
GET /api/v1/products/xl-motor-w660apView API Docs →