YardBeast 4521 4.5 In. Self-Feeding Woodchipper
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Want a Chipper That Won’t Quit on You? Meet the YardBeast 4521.
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Raw Power at Your Fingertips: The 20.5HP Kohler Command Pro engine is a true workhorse, tackling thick, wet, and knotty branches without hesitation. No more stalling or slowdowns — this machine doesn’t quit until the job’s done.
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Chop Through Up to 4.5” Branches Like a Pro: Whether it’s storm debris, yard cleanup, or heavy brush, this chipper handles it all with ease. Spend less time wrestling wood and more time finishing the job.
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Self-Feeding for Less Sweat: Hydraulic feed takes the strain off your back and arms. Load it, let it pull in, and watch it shred — saving energy for the work that matters.
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Built Tough, Built to Last: Commercial-grade steel frame, oversized bearings, and a durable powder-coated finish mean this chipper survives real-world abuse. It’s designed to take a beating and keep going.
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Reversible Hardened Steel Blades: Sharp, durable, and easy to flip — no more fighting dull edges or wasting time swapping parts mid-job.
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Ready to Roll Anywhere: Highway-towable with 2” ball receiver, torsion axle suspension, and big rugged tires — get to the worksite without worrying about rough terrain or bumpy roads.
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Commercial-Grade Clutch & Smooth Operation: Easy starts, reliable power transfer, and engine protection make sure the Yardbeast 4521 keeps splitting and chipping with zero headaches.
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Free Shipping, Liftgate Included: Heavy-duty doesn’t mean heavy hassle. It arrives at your door with liftgate service so you can get straight to work.
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Made for the Serious Operator: Designed for tree care pros, landscapers, and property owners who demand performance, reliability, and durability in every branch they chip.
Ready to Cut Your Workload in Half? Grab the YardBeast 4.5 in. Self-feeding Wood Chipper.
Tackle your toughest yard and tree work without breaking a sweat — the Yardbeast 4521 Commercial Wood Chipper is built for people who don’t mess around. Powered by a rugged 20.5HP Kohler Command Pro engine, this chipper chews through branches up to 4.5 inches like they’re twigs, saving you hours of backbreaking work. Its self-feeding system pulls in material smoothly, so you can keep your focus on getting the job done — no more wrestling stubborn branches or dull blades. Built tough with a commercial-grade steel frame, oversized bearings, and reversible hardened steel blades, the 4521 is ready to survive the grind of daily use, storm cleanup, or property maintenance. Highway-towable, rugged, and reliable, this chipper delivers the performance, durability, and efficiency serious operators demand. Stop wasting time and energy — let the Yardbeast 4521 Woodchipper do the heavy lifting for you.
Key Features — YardBeast 4521 Woodchipper
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20.5 HP Kohler Command Pro CH640 V-Twin engine (674 cc) for dependable power
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Chips branches up to 4.5 inches in diameter
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Self-feeding / gravity-feed design reduces manual effort
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Heavy-duty, all-steel frame for long-lasting commercial use
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Dual-blade rotor with A8 tool-steel reversible blades for strong, long-lasting cutting performance
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Commercial-grade centrifugal clutch and twin-belt drive system for smooth power transfer and engine protection
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Towable trailer chassis with torsion axle suspension and DOT-approved wheels/lighting for easy transport
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360° rotating discharge chute allows precise chip placement
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Fuel system compliant with EPA/CARB standards in most units
| Specification | Details |
|---|---|
| Engine | Kohler Command Pro CH640 V‑Twin, 20.5HP (680 cc) |
| Maximum Chipping Capacity | Up to 4.5 inches in diameter (branches/limbs) |
| Feed System | Gravity‑feed self‑feeding rotor for efficient throughput |
| Rotor / Blade Details | Balanced rotor with dual A8 tool‑steel blades (commercial grade) |
| Clutch / Transmission | Heavy‑duty commercial dual‑belt centrifugal clutch |
| Frame / Construction | All‑steel thick‑gauge construction with split‑frame access |
| Fuel System | 5.0 gallon EPA & CARB certified HDPE fuel tank |
| Towing / Mobility | Towable chassis with 2″ ball receiver, torsion axle suspension, and trailer assist jack |
| Use Case | Excellent for commercial landscaping, tree service, and large residential properties |
| Warranty | 2‑year limited warranty on chipper; engine covered separately under Kohler engine warranty |