This is the WEG 56C 1 HP TEFC motor supplied by Grundfos as the replacement motor for CR and CM pumps, ordered under Grundfos product number 99883239. Specifications below are taken directly from official Grundfos product data.
| Motor | WEG 56C 3x230/460 2P 1HP W6 TEFC |
| Grundfos product number | 99883239 |
| Manufacturer | WEG |
| Rated power | 1 HP |
| Phase | 3 |
| Voltage | 230/460 V |
| NEMA frame | 56C |
| Poles | 2 (approx. 3,600 rpm at 60 Hz) |
| Enclosure | TEFC |
| EAN | 5713835680891 |
| Motor weight | 23.6 lb |
| Shipping weight (est.) | 30.7 lb |
| Motor envelope (L x W x H) | 11.1 x 5.52 x 6.47 in |
| Efficiency class | IE3 / NEMA Premium |
| EAN | 5713835680891 |
Motor weight is Grundfos’ published figure for this part number. Shipping weight is estimated at motor weight × 1.30 to allow for packaging — Grundfos does not publish a separate packed weight for motors.
Grundfos lists this motor as the replacement for 15 pumps in our catalogue:
CR 1 · CR 1-8 · CR 1-9 · CR 3-6 · CR 5-3 · CRI 1 · CRI 1-8 · CRI 1-9 · CRI 3-6 · CRI 5-3 · CRN 1 · CRN 1-8 · CRN 1-9 · CRN 3-6 · CRN 5-3
Send us your pump nameplate and we will confirm the correct motor for your exact build before you order.
Overview
Genuine WEG 56C 1 HP 2-pole TEFC electric motor, supplied as the Grundfos replacement motor P/N 99883239 for CR-series vertical multistage pumps. Rated 3x230/460 V / 60 Hz, NEMA frame 56C, foot mounted.
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | WEG (supplied as a Grundfos replacement motor) |
| Grundfos product no. | 99883239 |
| NEMA frame | 56C |
| Rated power | 1 HP |
| Poles / speed | 2-pole (nominal 3600 RPM at 60 Hz) |
| Voltage | 3x230/460 V, 60 Hz |
| Enclosure | TEFC (totally enclosed, fan cooled) |
| Motor series | WEG W6 |
| Mounting | Foot mounted (rigid base) |
Weights & Shipping
| Attribute | Value |
|---|---|
| Shipping weight | 30.7 lb |
| Shipping box (L x W x H) | 6 x 11 x 6 in |
| Availability | In stock - verified with the manufacturer |
CAD Drawings (2D / 3D)
Browse the WEG NEMA CAD drawing library
WEG publishes dimensioned drawings in DXF, IGES, STEP, SAT (ACIS) and Parasolid formats (LEFT / RIGHT / TOP views, standard and C-face flange variants) for mounting and layout work.
Frequently Asked Questions
Motor data per the Grundfos/WEG product designation; CAD drawings published by WEG.
