Marathon
Marathon Z434 - 7 1/2 HP, Dripproof, Frame 213JM
Model: Z434

Marathon Z434 motor — 7 1/2 HP, 3-phase, 230 V, 3600 RPM, 213JM frame, ODP, 81.5% efficiency.
Technical Specifications
| Horsepower (HP) | 7 1/2 |
| Frame Size | 213JM |
| Enclosure | ODP |
| Full Load Speed (RPM) | 3600 |
| Voltage | 230 |
| Phase | 3 |
| Full Load Amps (A) | 32.0 |
| Weight (lbs) | 90 |
| Category | Pump Motors |
| Electrical Type | AC Induction |
| Rotation | CW/CCW |
| Frequency | 60 |
| Efficiency (%) | 81.5 |
| Shaft Diameter | 1.375 |
| Shaft Diameter Source | NEMA MG-1 frame table |
| Mounting Type | Close-Coupled Pump |
| Mounting Type Source | Marathon 2026 Catalog p.108 |
| Service Factor | 1.15 |
| Service Factor Source | Marathon 2026 Catalog p.108 |
| Duty Type | Pump |
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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