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The Maxx Attachments 16″ Timberwolf Forestry Tree Shear is built for demanding land-clearing and forestry operations. Designed to cut trees up to 16 inches in diameter, this heavy-duty skid steer attachment combines powerful hydraulic shearing with a dual-arm grapple that secures trees during cutting. Its high-strength A572 steel construction and replaceable 3/4″ AR400 milled knife edges are designed to withstand repeated use in challenging environments.
For operators clearing multiple trees, the Timberwolf is also available with an optional accumulator arm, sometimes called a bunching arm. This configuration allows the operator to hold a previously cut tree while positioning the shear to cut another, reducing handling time during larger clearing projects. With protected hydraulic lines, an improved shear cylinder, and a 15–30 GPM operating range, the Timberwolf is suited to professional forestry, agricultural land management, and commercial vegetation removal.
Model: 7021D4
Maximum Cutting Capacity: 16″
Weight: 2,450 lbs.
Minimum Machine Operating Capacity: 3,400 lbs.
Hydraulic Flow: 15–30 GPM
Maximum Hydraulic Pressure: 3,000 PSI
Height: 60″
Width: 66″
Overall Depth: 48″
Shear Blade: 3/4″ AR400 milled knife edges
Shear Arm Construction: A572 fabricated steel
Grapple: Dual grapple arms
Hydraulic Connections: Hoses and flat-face quick-disconnect couplers included
The accumulator arm, also called the bunching arm by Maxx, allows the Timberwolf to hold a previously cut tree while the operator cuts another. It’s designed for higher-production clearing where gathering multiple trees before unloading can reduce machine movement and handling time.
Model: 7224D2 / 7378D1
Weight with Accumulator: 2,550 lbs.
Added Weight: 100 lbs.
Cutting Capacity: 16″
Machine Requirements: Same 3,400-lb. minimum operating capacity and 15–30 GPM hydraulic range
What is the difference between the standard grapple and accumulator arm configurations?
Both configurations include grapple arms that secure trees during cutting. The accumulator arm adds the ability to hold a previously cut tree while cutting another, helping operators gather multiple stems before moving them.
What size trees can the 16″ Timberwolf cut?
The Timberwolf is designed to cut trees up to 16 inches in diameter. Actual cutting performance depends on tree species, wood density, and operating conditions.
Does the Timberwolf require high-flow hydraulics?
Not necessarily. The Timberwolf operates within a hydraulic flow range of 15–30 GPM, allowing it to work with appropriately equipped standard-flow machines.
What size skid steer is required?
Maxx specifies a minimum machine operating capacity of 3,400 lbs. for the 16″ Timberwolf. The machine must also meet the attachment’s hydraulic requirements and safely handle its weight.
Does the Timberwolf include a grapple?
Yes. The 16″ Timberwolf grapple configuration includes dual grapple arms. The accumulator arm is an optional upgrade.
Can the accumulator arm be added later?
The accumulator arm is available as part of the Timberwolf’s bunching configuration. Contact Echo Eqpt to confirm retrofit availability for an existing grapple model.
Are the cutting blades replaceable?
Yes. The Timberwolf uses replaceable 3/4″ AR400 milled knife edges. Its blade adjustment system is designed to simplify maintenance and replacement.
Does the attachment come with hydraulic hoses and couplers?
Yes. Hydraulic hoses and flat-face quick-disconnect couplers are included.
Is a chemical sprayer available?
A chemical sprayer is shown among the available accessory materials. Contact Echo Eqpt to confirm the appropriate sprayer configuration and availability for the 16″ Timberwolf.
Note: The Maxx 16″ Timberwolf Tree Shear requires 15–30 GPM of auxiliary hydraulic flow, a maximum operating pressure of 3,000 PSI, and a minimum machine operating capacity of 3,400 lbs. Verify hydraulic pressure, rated operating capacity, attachment mounting, and hydraulic connections before ordering. Some machines may require hydraulic pressure regulation or other configuration adjustments.
Bobcat: S86, S86-2, S850, T86, T86-2, T870
Caterpillar: 275, 275 XE, 285, 285 XE, 299D3, 299D3 XE
CASE: SV340B, TV450B, TV620B
John Deere: 332G, 333G, 334 P-Tier, 335 P-Tier
Kubota: SVL95-2s, SVL97-2, SVL97-3
New Holland: C345, C362
Takeuchi: TL12R2, TL12V2
ASV: RT-135
Maxx Attachments provides a manufacturer’s warranty covering defects in materials and workmanship under normal use. For standard products, including tree shears, coverage includes:
Warranty coverage is subject to the manufacturer’s terms, exclusions, and claim requirements. Echo Eqpt can help connect customers with Maxx Attachments for warranty assistance.
At ECHO Eqpt, we actually use and support the equipment we sell. You’re not getting generic answers, you are talking to people who understand how this equipment works in the field. That means faster answers, better recommendations, and no wasted time trying to figure things out on your own.
We’re easy to work with. If something breaks, tell us what actually happened and be honest with us (a good sense of humor doesn’t hurt either). We’re often known to help out even outside of standard warranty terms. And if it’s on us, we’ll own it and make it right. No excuses, no finger pointing - just real support when it matters.
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