JET J-4421-2 20" Disc Grinder, 3 HP, 230V 3Ph
Ships with the full manufacturer warranty
JET J-4421-2 20" Disc Grinder, 3 HP, 230V 3Ph is backordered and will ship as soon as it is back in stock.
Free Freight Delivery
Free freight to your business or home in the lower 48, curbside by LTL truck. Need a liftgate? +$75, chosen at checkout.
Pay by card — protected checkout
Card and Shop Pay orders are covered by your card’s fraud protection.
SSL secured checkout — your payment details are encrypted and are never stored on our servers.
Ships in 1–3 business days
Free freight — 452 lbs, ships LTL
Free curbside freight delivery to your business or home in the lower 48 states. Need a liftgate to lower it to the ground? It’s $75, chosen at checkout. See our freight & delivery guide.
We’re Here When You Need Us
JET J-4421-2 20" Disc Grinder, 3 HP, 230V 3Ph
The JET J-4421-2 is a disc grinder with a 3 HP motor rated 220/440 V 3 Ph, shipped wired for 220 V. Key numbers: disc table size l x w 27-1/2 x 10-1/2 in.; disc speed 1725 RPM.
Key features
- 20 in. disc, TEFC motor at 1725 RPM
- 3 HP, three-phase, wired for 220V
Disc Grinder specifications
| Specification | Details |
|---|---|
| Model / Stock Number | J-4421-2 / JT9-577010 |
| Abrasive Type | Disc |
| Assembled Dimensions | 30 x 27-1/2 x 53 in. |
| Disc Diameter | 20 in. |
| Disc Speed | 1725 RPM |
| Disc Table Size L X W | 27-1/2 x 10-1/2 in. |
| Disc Table T-slot Width | 3/8 x 3/4 in. |
| Disc Table Tilt | 45 Deg. down, 15 Deg. up |
| Dust Port Outside Diameter | 3 in. |
| Horse Power | 3 HP |
| Input Power | 220/440 V 3 Ph |
| Motor Phase | Three |
| Motor Voltage | 220/440 V (shipped wired for 220 V) |
| Spindle Speed | 1725 RPM |
| Net Weight | 397 lbs |
Specifications checked against the JET owner's manual.
Documents
JET J-4421-2 questions
What power does it need?
220 V 3 Ph as shipped. The motor is rated 220/440 V; changing voltage means rewiring the motor and changing the switch coil.
Is the owner's manual available?
Yes. The JET manual is linked above as a PDF.
Warranty
Technical question? Email info@fullforceequipment.com.
Why buy from us
Six reasons buyers order from an authorized dealer instead of a marketplace.
-
Free shipping on most ordersStandard shipping is built into the price on most items. Larger machines ship by LTL freight, and we book the carrier for you.See how freight delivery works ›
-
No sales tax outside NYYou pay no sales tax unless your order ships to New York.
-
Price matchFind it lower from an authorized dealer and we'll do everything we can to beat it.
-
Real people, real expertiseTalk to an equipment specialist, not a call center. Call or text (888) 990-8016, use the live chat, or email info@fullforceequipment.com.
-
Your details stay protectedEncrypted checkout. Pay by Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Shop Pay or PayPal, or take 2.5% off by wire.See payment options ›
-
30-day returnsNot right for the job? Unused items in original packaging can come back within 30 days of delivery. Contact us first for a return authorization.See the return policy ›
Volume order or commercial build? Request a quote. Every message is answered within 24 hours.
Shipping and returns
-
ShippingFree shipping on most orders. Orders are typically processed within 1–3 business days after payment is verified, and most arrive within 5–15 business days after that. Larger machines ship by LTL freight with curbside delivery. If freight shows as quoted on this item, we confirm the exact freight cost with you in writing before anything is charged. Tracking is emailed once your order ships.
-
Returns30 days from delivery on unused items in original packaging. Contact us first for a return authorization. Original shipping isn't refundable unless the return is our error or a defect, and return shipping is paid by the customer. Some items can't be returned because of manufacturer restrictions or special-order status.
-
Damaged in transitContact us within 48 hours of delivery. We may ask for photos of the product and packaging to help with the claim.
-
CancellationsOrders can be cancelled before they are processed or shipped. Once an order is in fulfillment, cancelling may not be possible.
