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Specification

as recorded from the nameplate

Condition
Rebuilt What our grades mean
Manufacturer
Black Clawson / Kadant
Model
No. 4
Specifications
Rotation CWRatio: 4.83:1Job #: 42703-BRequest additional information
Included
As shown in photos
Listed

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Tell us the quantity and when you need it. You get a written quote with price, availability and freight to your dock, ready for your PO, within 24–48 hours.

A phone photo of the nameplate answers most questions. Email it to sales@dwpindustrial.io with your quote ID, or text it to (612) 449-0646.

Prefer to talk? Call (612) 449-0646

Details

Product Description

The Black Clawson Kadant Hydrapulper Drive Gearbox No. 4 with a 4.83:1 ratio is a heavy-duty industrial gearbox designed for use in demanding pulp and paper processing applications. Built for durability, reliability, and efficiency, this gearbox is engineered to meet the rigorous requirements of hydrapulper systems, where consistent torque and smooth operation are critical to production performance.

Key Features and Benefits

  • Precision-engineered 4.83:1 gear ratio for reliable torque transmission

  • Robust construction designed to withstand high loads in industrial environments

  • Compatible with Kadant and Black Clawson No. 4 hydrapulper systems

  • Easy to maintain, with accessible service points for reduced downtime

  • Proven reliability in pulp & paper and other process industries

Applications

The Black Clawson Kadant No. 4 Hydrapulper Gearbox is widely used in:

  • Pulp & Paper mills – hydrapulper drives, fiber recycling, stock preparation

  • Recycling plants – processing and repulping waste paper

  • Industrial processing – heavy-duty torque applications requiring consistent performance

Specifications

  • Model: No. 4 Hydrapulper Drive Gearbox

  • Ratio: 4.83:1

  • Type: Heavy-duty industrial gear reducer

  • Application: Hydrapulper and process machinery

Condition & Availability

This gearbox is offered as a Rebuilt surplus unit, Ready for service. Expect standard cosmetic wear from warehousing. The unit is sold as shown in photos.

Documentation & Resources

For reference, please visit Kadant’s official product information:

Condition and guarantee

We are not an authorized distributor, so the manufacturer's warranty does not apply to this unit. We inspect it, check the nameplate against the listing and photograph the actual unit. If it does not match the description, send it back within 30 days for a full refund. Not sure it fits? Ask us and we will confirm before you order.