D390 Marathon 1/3 hp 3600 RPM 3-Phase 56C Frame TENV (base) 208-230/460V Marathon Motor
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number D390 from Marathon, listed in General Purpose AC Motors. Specifications on file: Phase 3; Power 1/3 HP; Speed 3600 RPM; Voltage rating 460 V. KKM Solutions quotes this part with pricing and availability confirmed per order.
D390 Marathon 1/3 hp 3600 RPM 3-Phase 56C Frame TENV (base) 208-230/460V Marathon Motor
The D390 Marathon motor is a general-purpose 1/3 horsepower, 3-phase electric motor designed for various industrial applications. It features a NEMA 56C frame with a C-face mount, suitable for replacing or upgrading motors requiring a keyed shaft and removable base.
Key Specifications
Horsepower: 1/3 hp
RPM: 3600
Voltage: 208-230/460 V
Amperage: 1.6-1.8/0.9 A
Enclosure: Totally Enclosed Non-Ventilated (TENV)
Frame / Diameter: NEMA 56C frame
Shaft Dimensions: 5/8" Diameter x 1 7/8" Length, keyed shaft
Bearings: Ball Bearings
Product Features & Fitment
This motor includes a removable base and is reversible for flexible installation. The shaft has a keyway and the motor face features four threaded bolt holes spaced 5 7/8" on center across the shaft, allowing easy mounting of pumps or gear heads. Wiring diagrams are provided on the motor nameplate for straightforward electrical connections.
Specifications
| Phase | 3 |
|---|---|
| Power | 1/3 HP |
| Speed | 3600 RPM |
| Voltage rating | 460 V |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | D390 |
| Product category | General Purpose AC Motors |
| Published specifications | 4 attributes listed |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does D390 cost?
D390 is listed at CA$392.22 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part, stock, and final price, and we email you first if anything has moved. Larger quantities or custom terms — email orderdesk@kkmsolutions.com for a volume quote.
Who manufactures the D390?
D390 is made by Marathon and is listed in our General Purpose AC Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number D390, and the quote confirms condition and lead time before you order.
Is the D390 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the D390, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of D390?
No published lifecycle status is on file for D390. Marathon lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of D390?
Key specifications include Phase: 3; Power: 1/3 HP; Speed: 3600 RPM; Voltage rating: 460 V. The full specification table on this page lists every published attribute for this part.
How quickly can D390 ship?
Lead time for D390 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
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