W657 Marathon Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number W657 from Marathon, listed in Electric Motors. Specifications on file: Catalog Number W657; Duty Continuous; Enclosure Type TEFC; Frame 449T. KKM Solutions quotes this part with pricing and availability confirmed per order.
Marathon W657 — Electric Motors. Specs: Model: 449THFCD9078BA · Catalog Number: W657 · Weight: 3200 lb. Quoted per order by KKM Solutions. Severe Duty Motor, 300 HP, 3 Ph, 60 Hz, 460 V, 1200 & 1200 RPM, 449T Frame, TEFC - Marathon catalog number W657 (ordering code 449THFCD9078). Marathon specifications: Phase: 3; Output HP: 300 Hp; Output KW: 224 kW; Voltage: 460 V; Speed: 1189 rpm; Service Factor: 1.15; Frame: 449T; Thermal Protection: No Protection; Efficiency: 95.8 %; Ambient Temperature: 40 °C; Frequency: 60 Hz; Current: 342 A; Power Factor: 86; Duty: Continuous; Insulation Class: H; Design Code: B; KVA Code: G; Drive End Bearing Size: 6319; Opp Drive End Bearing Size: 6317; Enclosure: Totally Enclosed Fan Cooled; UL: Listed; CSA: Y.
Specifications
| Catalog Number | W657 |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 449T |
| Frame Material | Cast Iron |
| Frequency | 60 Hz |
| Full Load Amps | 342 A |
| Horsepower | 300 HP |
| Model | 449THFCD9078BA |
| Mounting | Rigid |
| Phase | 3 |
| Speed | 1189 RPM |
| Voltage | 460V |
| Weight | 3200 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | W657 |
| Product category | Electric Motors |
| Published specifications | 14 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 W657 cost?
W657 is listed at CA$53,030.66 (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 W657?
W657 is made by Marathon and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number W657, and the quote confirms condition and lead time before you order.
Is the W657 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 W657, 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 W657?
No published lifecycle status is on file for W657. 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 W657?
Key specifications include Catalog Number: W657; Duty: Continuous; Enclosure Type: TEFC; Frame: 449T. The full specification table on this page lists every published attribute for this part.
What voltage does W657 use?
Per the published specification for W657: Voltage: 460V. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What is the power rating of W657?
Per the published specification for W657: Horsepower: 300 HP. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How much does W657 weigh?
Per the published specification for W657: Weight: 3200 lb. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can W657 ship?
Lead time for W657 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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