{"id":80824,"date":"2026-03-06T04:28:31","date_gmt":"2026-03-06T04:28:31","guid":{"rendered":"https:\/\/atoorco.com\/atoorco\/?post_type=product&#038;p=80824"},"modified":"2026-05-08T13:27:52","modified_gmt":"2026-05-08T13:27:52","slug":"yardbeast-4-5-commercial-grade-chipper-yb4521","status":"publish","type":"product","link":"https:\/\/atoorco.com\/atoorco\/product\/yardbeast-4-5-commercial-grade-chipper-yb4521\/","title":{"rendered":"YARDBEAST 4.5\u201d Commercial-Grade Chipper \u2013 YB4521"},"content":{"rendered":"<p>The Yardbeast 4521 Commercial Grade Wood Chipper is\u00a0the ultimate solution for tree care companies and property owners with medium-sized parcels. It is designed to effortlessly handle branches and debris up to 4.5 inches in diameter and is powered by a robust Kohler CH640 Command Pro 20.5HP engine, ensuring top-notch long-term performance.<\/p>\n<p>The rotor is constructed from 3\/4\u201d thick steel with two angled blade cradles and 3\/8\u201d thick steel vanes. It is dynamically balanced for optimal performance and the heavy-duty construction ensures durability and reliability, even under the most demanding conditions.\u00a0You can trust the chipper to handle tough jobs without frequent maintenance or breakdowns, saving time and reducing downtime.<\/p>\n<p>The gooseneck discharge chute can be rotated to direct the flow of chips into just about any location, such as the woods, chipper trucks, or pickups. This\u00a0makes it easy to manage chipped material efficiently and simplifies clean-up.<\/p>\n<p>The YB4521\u2019s commercial-grade clutch is directly coupled to the engine shaft, powering the rotor through a twin belt system providing a smooth and reliable power transfer, while also protecting the engine and drivetrain from sudden shocks. All of this enhances the longevity of the chipper and ensures consistent, powerful performance during heavy-duty use.<\/p>\n<p>The chipper features a mono-chassis trailer with a torsion stub axle, high-speed wide tires, and DOT-approved lighting for highway travel. The trailer also includes a straight tongue coupler with locking chains, a 1,000-lb trailer jack, and a 1-7\/8\u2033 ball hitch. Super easy to transport on public roads, ensuring you can take the chipper wherever it\u2019s needed, and increases mobility and convenience, allowing you to provide services over a wider area with ease.<\/p>\n<p>Your investment in the Yardbeast 4521 Commercial Grade Wood Chipper with enhance your productivity and efficiency. Whether you\u2019re managing a tree care business or maintaining a large property, this chipper is engineered to help you work smarter, not harder. Don\u2019t let tough branches and debris slow you down\u2014upgrade to the Yardbeast 4521 and elevate your tree care operations to the next level.<\/p>\n<h3>Full Specifications<\/h3>\n<ul>\n<li>Chipping capacity: 4.5\u2033<\/li>\n<li>Blade Speed: 3046 RPM<\/li>\n<li>Massive 85 lbs rotor<\/li>\n<li>Blade Dimensions: Dual A8 Tool Steel, 7\u2033 x 3\u2033 x 3\/8\u2033<\/li>\n<li>Rotor Construction: 1\u2033 thick steel with 3\/8\u2033 rotor vanes<\/li>\n<li>Flywheel: 21.25\u2033<\/li>\n<li>Feed hopper: 30\u2033 x 20\u2033<\/li>\n<li>Discharge at ground floor<\/li>\n<li>Frame: 3\/16\u2033 thick steel with welded seams<\/li>\n<li>SKF\u00ae roller sealed bearings with custom steel housing<\/li>\n<li>Discharge height: 72\u2033<\/li>\n<li>Kohler CH640 Command Pro 20.5 HP, 429cc engine operates with 3600 RPM &#038; 35.7ft-lbs at peak torque<\/li>\n<li>Displacement: 674cc<\/li>\n<li>2-quart oil capacity<\/li>\n<li>Fuel tank capacity: 6 gallons<\/li>\n<li>CARB Tier III certified emissions<\/li>\n<li>NORAM\u00ae Heavy Duty centrifugal clutch<\/li>\n<li>2- Gates\u00ae Hi-Power II B63 Belts<\/li>\n<li>Cast Iron 2-groove rotor pulley with 1 3\/8\u2033 taper hub<\/li>\n<li>2 \u2013 20.5\u2033 high-speed wheel, 4 spoke<\/li>\n<li>Trailer construction: 1\/8\u2033 thick steel, mono-chassis, 68\u201d wide<\/li>\n<li>Suspension: Torsion-stub axle<\/li>\n<li>Rear Axle: Fixed, 1\/8\u2033 steel, 21-1\/4\u2033 wide<\/li>\n<li>Hitch: 1-7\/8\u2033 ball hitch coupler with chain hooks<\/li>\n<li>Trailer: DOT compliant with lighting kit<\/li>\n<li>Crated Dimensions:\u00a074\u2033 x 50\u2033 x 45\u2033<\/li>\n<li>Shipped Weight: **<\/li>\n<li>Weight: 1050 lbs<\/li>\n<li>Warranty:\u00a01-year\u00a0warranty on the chassis on manufacturer defects, 3 years on Kohler Engine, engine by the manufacturer<\/li>\n<li>SKU: YB4521<\/li>\n<li>YARDBEAST<\/li>\n<\/ul>\n<h4><a title=\"YB4521 Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1677\/7893\/files\/User-Manual-YB4521-EN-v1-0.pdf?v=1719956873\">Owners Manual<\/a><\/h4>\n<h3><span style=\"color: #ff0000\">Scroll Back to the Top and Buy Today!<\/span><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>The Yardbeast 4521 Commercial Grade Wood Chipper is\u00a0the ultimate solution for tree care companies and property owners with medium-sized parcels. It is designed to effortlessly handle branches and debris up to 4.5 inches in diameter and is powered by a robust Kohler CH640 Command Pro 20.5HP engine, ensuring top-notch long-term performance. The rotor is constructed [&#8230;]\n","protected":false},"featured_media":80825,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[1011,1020],"product_tag":[],"class_list":["post-80824","product","type-product","status-publish","has-post-thumbnail","product_cat-hot-selling","product_cat-shop","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/product\/80824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/comments?post=80824"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/media\/80825"}],"wp:attachment":[{"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/media?parent=80824"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/product_brand?post=80824"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/product_cat?post=80824"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/atoorco.com\/atoorco\/wp-json\/wp\/v2\/product_tag?post=80824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}