4 X 90 Inch Industrial Grinder, Request a Quote, 4 x 90 Inch Industrial Production Grinder - KS490, production, welding shop, fabrication work, metal fabrication companies, robotic automation,

KS490 Industrial Production Grinder

Looking for a tough belt grinder that can keep up with your production demands? The KS490 4″ x 90″ industrial abrasive belt grinder is built for manufacturing floors, busy welding shop environments, and nonstop fabrication work. Its heavy-duty design helps metal fabrication companies grind, deburr, and finish parts faster with consistent results shift after shift. The wide belt and powerful performance make it a great fit for manual grinding stations or as part of robotic automation cells where reliability matters most. If you want to improve efficiency and keep parts moving without downtime, the KS490 is ready to work—visit the product page today or contact Kalamazoo Industries to request a quote and put this grinder to work in your shop.

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Made in the USA

The KS490 4″ x 90″ Industrial Abrasive Belt Grinder is built to handle tough, everyday grinding in busy manufacturing and fabrication environments. Designed for steady production, this grinder helps shops move metal faster, improve part quality, and keep work flowing without downtime. It’s a strong fit for a welding shop or high-volume fabrication work, giving operators the power and control they need to stay efficient.

Key Benefits for Manufacturing & Fabrication Shops:

  • Supports high-output production with a powerful motor and fast belt speed

  • Handles heavy fabrication work like deburring, weld cleanup, and surface finishing

  • Durable construction built for daily use in demanding metal fabrication companies

  • Long platen and wide belt provide better control and consistent results

  • Reliable performance that fits well alongside robotic automation and manual processes

  • Simple operation makes it easy to train operators and keep work moving

If your shop needs a dependable grinder that keeps up with real-world demands, the KS490 is ready to deliver.

Motor Options

  • 2 HP Single-Phase (1PH) 230V

    • Amps: 230V at 11.5 amps

  • 3 HP Three-Phase (3PH)

    • 230V or 460V (specify at time of order)

    • Amps: 230V at 7.2 amps, 460V at 3.6 amps

Platen

  • 24-1/2″ long steel platen

  • Reversible and replaceable

Drive

  • Direct drive system

Contact Wheel

  • Replaceable contact wheel

  • Specs: 8″ OD × 4″ W, serrated, 70 duro, sealed ball bearings

Belt Specifications

  • Belt size: 4″ × 90″

  • Compatible with all belt types

  • Belt speed: 6900 SFPM

Belt Tension & Tracking

  • Spring belt tension

  • Quick-release belt tension lever

  • Easy belt tracking

Work Surface & Adjustability

  • Adjustable steel work table

  • Adjustable belt grinder head

  • Material stop

  • Removable steel platen guard

  • Hinged door on grinder head for quick belt change

  • Multi-position operation: horizontal through vertical

Base & Build

  • Sturdy steel base

  • On/Off switch

Dimensions & Weight

  • Shipping dimensions: L 48″ × W 59″ × H 56″

  • Shipping weight: 350 lbs.

  • Shipping dimensions and weight subject to change

Country of Origin

  • USA

The KS490 4″ x 90″ Industrial Abrasive Belt Grinder is built to handle demanding shop tasks where speed, consistency, and durability matter. It fits easily into daily operations at manufacturing plants and fabrication facilities, helping teams move material faster and keep parts production-ready with less downtime.

Common KS490 Applications Include:

  • Grinding, deburring, and finishing parts during high-volume production runs
  • Cleaning welds, smoothing edges, and prepping joints in a welding shop
  • Shaping flat stock, plate, and structural steel for everyday fabrication work
  • Supporting heavy, repeatable grinding needs at metal fabrication companies
  • Preparing parts for assembly, coating, or integration into robotic automation cells

Designed for industrial use, the KS490 helps shops improve workflow, reduce rework, and keep quality consistent from part to part. Learn more or request a quote today to see how the KS490 can support your operation.

Accessories

  • Variable frequency drive

  • KB44950 – 4″ × 49″, 50 grit belt (packs of 10)

  • KB44980 – 4″ × 49″, 80 grit belt (packs of 10)

  • KB449100 – 4″ × 49″, 100 grit belt (packs of 10)

4 X 90 Inch Industrial Grinder, Request a Quote, 4 x 90 Inch Industrial Production Grinder - KS490, production, welding shop, fabrication work, metal fabrication companies, robotic automation,

Additional Equipment Images and Accessories

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KB490100 4 X 90 INCH ALUMINUM OXIDE SANDING BELTS

The KS490 is built for metal fabrication companies, manufacturing plants, and high-volume shops that need reliable grinding for daily production work.

It is ideal for fabrication work like deburring, surface finishing, edge prep, and weld cleanup on steel, aluminum, and other metals.

Yes. The KS490 is a strong choice for any welding shop that needs fast, consistent grinding after welding to keep jobs moving.

Its industrial build and large 4″ x 90″ belt help remove material quickly, reduce rework, and keep production running smoothly shift after shift.

Absolutely. The KS490 is designed for demanding production environments where the machine is used all day, every day.

Yes. The KS490 can be integrated into robotic automation or used alongside automated systems to support consistent grinding results.

It works well on mild steel, stainless steel, aluminum, and other common metals used in fabrication work and welding operations.

Unlike light shop grinders, the KS490 is made for real production, helping metal fabrication companies reduce downtime and increase throughput.

The KS490 is American-built with heavy-duty components, making it reliable for tough shop conditions in metal fabrication companies.

Power Up Your Shop with the KS490 Belt Grinder

Move more metal, cover more surface, and hit production-level accuracy on every grind.

Call (269) 382-2050 or Request a Quote today.

Made in the USA | Built for Fabrication | Proven in Metalworking Shops