Yardbeast  |  Barcode: 7431030000136

Yardbeast 4521 4.5-Inch Commercial Gas Wood Chipper

$9,399.99 $10,399.99

Unleash relentless power with the Yardbeast 4521 Commercial Wood Chipper. Powered by a rugged 20.5HP Kohler engine, it effortlessly devours branches up to 4.5 inches—making tough jobs feel easy.

In Stock

Hassle-free returns

Shop with confidence! We offer a hassle-free 30-day return window from the date of delivery.

Easy and Fast Delivery

Enjoy free shipping across the USA! Orders are processed and delivered within 6-10 business days.

Product Overview

The Yardbeast 4521 Commercial Wood Chipper is designed for tree-care professionals, landscapers, and property owners who demand serious performance without compromise. Whether you're clearing brush, maintaining a sprawling landscape, or running a busy tree service, the 4521 is engineered to save you time, effort, and money—turning tough branches up to 4.5 inches thick into mulch effortlessly.

Built around a robust 20.5HP Kohler Command Pro engine, this chipper delivers exceptional power combined with unmatched reliability. Its gravity-fed, dual-blade rotor ensures rapid self-feeding, eliminating the struggle of manual loading and significantly speeding up your workflow. Plus, the unique split-frame design allows easy access for maintenance, meaning less downtime and more productivity.

Mobility is another strong point. Featuring highway-towable suspension, durable off-road tires, and DOT-approved towing capabilities, the Yardbeast 4521 moves seamlessly from job to job—whether on city streets or rugged terrain. Durable, powerful, and incredibly user-friendly, this chipper helps you work smarter, not harder.

Features

Powerful 20.5HP Kohler Engine

Tackle tough jobs with confidence—the rugged Kohler Command Pro engine delivers reliable, efficient power for effortless chipping of branches up to 4.5 inches thick.

Dual-Blade, Self-Feeding Rotor

Spend less time and energy feeding branches. The reversible dual-blade design actively pulls in debris, speeding up your work dramatically.

Easy-Access Split Frame

Simplify maintenance and clear jams quickly with an innovative split-frame design—meaning less downtime and more productivity on every job.

Commercial-Grade Centrifugal Clutch

Enjoy smoother startups and enhanced durability, as the heavy-duty clutch efficiently transfers power, protects the engine, and ensures long-term reliability.

Heavy-Duty Steel Construction

Built to withstand daily commercial use, the durable, powder-coated steel frame and oversized bearings ensure your chipper lasts for years.

Highway and Off-Road Mobility

Easily tow your chipper from site to site with DOT-approved suspension and rugged tires, designed to handle highways as effortlessly as rough terrain.

EPA & CARB Certified Fuel System

Operate safely and sustainably with a high-capacity, certified fuel tank that meets strict environmental standards, reducing refueling interruptions.

Integrated Oil Cooler & Air Filtration

Maximize engine lifespan with advanced cooling and filtration systems, reducing maintenance intervals and keeping your equipment running at peak performance.

Specifications

Chipping Capacity 4.5" (Gravity Self-Feeding)
Rotor RPM ~2,400
Rotor Weight 85 lbs
Blade Dimensions Dual A8 Tool Steel, 7" x 3" x 3/8"
Rotor Construction 3/4" thick steel with 3/8" rotor vanes
Feed Hopper 30" x 20"
Frame Construction 3/16" thick steel, weld seams all around
Bearing Units Premium SKF® roller-sealed bearing units
Discharge Height 72"
Chipper Weight 860 lbs
Engine Kohler Command Pro CH640 20.5HP
Engine RPM 3,600
Torque 35.7 ft-lbs @ Peak Torque
Displacement 674cc
Oil Capacity 2 quarts (1.9 liters)
Fuel Tank Capacity 5.0 Gal w/ Carbon Vapor Canister (CARB Approved)
Transmission Drive NORAM® Heavy Duty centrifugal clutch
Belts 2 - Gates® Hi-Power-II Belts
Towing Hitch 2" Ball Hitch Coupler with chain hooks
Trailer DOT Compliant with lightning kit

Warranty

The Yardbeast 4521 Commercial Wood Chipper comes with a comprehensive warranty to ensure your investment is protected and provides peace of mind:

Warranty Duration

  • 2-Year Limited Warranty for residential use
  • 1-Year Limited Warranty for commercial use.

Covered:

  • Manufacturing defects in materials and workmanship.
  • Repair or replacement of defective parts.
  • Engine warranty coverage provided separately by Kohler under their standard warranty policy

Not Covered:

  • Routine maintenance items (e.g., blades, belts, bearings).
  • Damage resulting from misuse, abuse, neglect, or improper maintenance.
  • Normal wear and tear due to regular use.
  • Damage due to unauthorized modifications or repairs.

For warranty claims or further details, please contact our customer support directly.

Shipping Information

Free Shipping Included! Enjoy complimentary residential delivery and convenient liftgate service at no extra charge, making it easy to unload your Yardbeast 4521 Commercial Wood Chipper directly at your location.

  • Shipping Method: Less-than-Truckload (LTL) Freight
  • Shipping Weight: Approximately 1,050 lbs (including crate)
  • Delivery Service: Carrier will contact you to schedule a convenient delivery appointment.

Crate Dimensions:

  • Main Chipper Crate: 74" (L) x 50" (W) x 45" (H)
  • Accessories Crate: 34" (L) x 32" (W) x 37" (H)

Please Note: Free shipping applies to the contiguous 48 United States only. For shipping quotes to Alaska, Hawaii, or Puerto Rico, please contact us directly.

If you have questions or special delivery requests, our friendly customer support team is always here to assist you!

Additional Info