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Description
🏭USA
🔥High flow
📘 Overview
The Top Dog skid steer tree cutter, sold as the 78" Extreme Duty Tree Cutter, is a direct-drive open-front brush cutter on a universal quick attach mount, rated to cut material up to 6" in diameter and built for high-flow machines running 26–45 GPM. Four chrome-moly blades, hardened and certified, run on a blade carrier made from two bolted 5/8" T-1 plates — the carrier and blades together weigh roughly 1000 lbs, and that rotating mass is what carries the cutter through standing timber instead of stalling in it. Total weight is 2075 lbs and the deck is 1/4" thick with 1/2" Grade 50 wear bars and push bar welded on.
This is a high flow brush cutter, and that distinction decides whether it will work on your machine at all. As an open front brush cutter the deck is unshrouded at the leading edge, so material feeds straight into the blade path — the reason this tree cutter attachment handles standing stems that would jam a closed-deck skid steer brush cutter. For machines below 26 GPM, Top Dog builds standard-flow open front and closed front mowers instead; this land clearing attachment is not a substitute for those.
⚙ Key Features of the Top Dog Attachments 78" Extreme Duty Tree Cutter
- Cuts up to 6" diameter material — takes standing saplings and small trees in a single pass rather than requiring repeated nibbling.
- Four chrome-moly blades, hardened and certified — 5/8" x 6" x 17" blades — certification matters on a tool that throws energy at this level.
- Twin 5/8" T-1 bolted blade carrier — roughly 1000 lbs of rotating assembly with blades; the flywheel effect is what maintains blade tip speed through a cut.
- Direct drive, 11.9 cu. in. motor — no gearbox in the power path — fewer failure points and no gear lash under shock loading.
- Blade tip speed 9,311–16,114 FPM — from 9,311 FPM at 26 GPM to 16,114 FPM at 45 GPM — tip speed, not horsepower, is what makes a clean cut.
- 1/2" Grade 50 wear bars and push bar — welded on, so you can push standing material into the cut without deforming the deck.
- Open front design — material feeds directly into the blade path rather than being trapped by a closed deck skirt.
- 4,000 PSI rated with 4000/1200 relief valve — built for the pressure high-flow machines actually deliver.
🔑 Why Choose the 78" Extreme Duty Tree Cutter?
- Clears standing timber, not just brush — the 6" cutting capacity and 2075 lb mass put this in a different class from a standard rotary brush mower that tops out on saplings.
- Sustains cut speed under load — the ~1000 lb blade carrier assembly stores rotational energy, so blade tip speed holds through the cut instead of bogging.
- Blades are replaceable wear items — four bolted chrome-moly blades can be replaced individually rather than scrapping the carrier.
- Push bar lets you fell before you cut — 1/2" Grade 50 push bar means you can lay material down with the machine and cut it on the ground.
📊 Top Dog Attachments 78" Extreme Duty Tree Cutter Specifications
| Specification | Value |
|---|---|
| Part Number | 9033263 |
| Overall Width | 75.5" |
| Overall Length | 81" |
| Overall Height | 26" |
| Cutting Capacity | Up to 6" |
| Blades | 4 blades, 5/8" x 6" x 17", chrome moly hardened & certified |
| Blade Carrier | (2) 5/8" T-1 plates, bolted together |
| Blade Holder | 5/8" T-1 welded & bolted plates (1000 lbs with blades) |
| Blade Rotation | Counter clockwise |
| Drive | Direct |
| Motor | 11.9 cu. in. |
| Flow | 26–45 GPM |
| Blade Tip Speed | Min @ 26 GPM 9,311 FPM / Max @ 45 GPM 16,114 FPM |
| PSI Min/Max | 4,000 PSI / relief valve 4000/1200 |
| Hydraulic Hoses | 1" sleeved hose, 5000 PSI rated |
| Deck Thickness | 1/4" |
| Wear Bars & Push Bar | 1/2" thick, Grade 50, welded on |
| Weight | 2,075 lbs |
| Country of Origin | Made in USA |
🔗 What Is a Skid Steer Tree Cutter Used For?
- Clearing standing saplings and small trees up to 6"
- Trail and right-of-way cutting
- Construction site clearing
- Overgrown pasture and field reclamation
- Cutting heavy brush beyond the range of a standard rotary mower
Buyers comparing skid steer tree shears against a rotary cutter should note the difference in method: shears cut one stem at a time cleanly, while this cutter mows continuously through mixed material.
🚜 Which Machines Fit the 78" Extreme Duty Tree Cutter?
Compatible with skid steer loaders and compact track loaders equipped with a Universal Quick Attach (SSQA) system and a high-flow hydraulic circuit, including:
BobcatCaterpillarJohn DeereCaseNew HollandTakeuchiKubotaGehl
This is a high-flow attachment. The 78" Extreme Duty Tree Cutter requires 26–45 GPM at 4,000 PSI and will not perform on a standard-flow machine (typically 17–24 GPM). Compatibility is determined by mount type and available hydraulic flow, not by brand — confirm both your quick attach configuration and your machine’s flow rating before ordering.
❓ 78" Extreme Duty Tree Cutter Questions, Answered
What hydraulic flow does the 78" Extreme Duty Tree Cutter need?
The Top Dog Extreme Duty Tree Cutter requires 26–45 GPM — this is a high-flow attachment and will not perform on a standard-flow machine. Blade tip speed runs 9,311 FPM at 26 GPM and 16,114 FPM at 45 GPM, so cutting performance improves markedly at the top of the flow range.
What size material can the Extreme Duty Tree Cutter handle?
The Top Dog Extreme Duty Tree Cutter is rated to cut material up to 6" in diameter.
Can I run this tree cutter on a standard-flow skid steer?
No. The Top Dog Extreme Duty Tree Cutter requires 26–45 GPM and 4,000 PSI. A standard-flow skid steer typically delivers 17–24 GPM, which is below the minimum. Top Dog offers standard-flow open front and closed front mowers for machines in that range.
What are the blades made from?
The Extreme Duty Tree Cutter uses four chrome-moly blades measuring 5/8" x 6" x 17", hardened and certified, mounted on a carrier built from two bolted 5/8" T-1 plates.
How much does the 78" Extreme Duty Tree Cutter weigh?
The Top Dog Extreme Duty Tree Cutter weighs 2,075 lbs. The blade holder assembly alone accounts for roughly 1,000 lbs of that with blades fitted, so the host machine needs substantial rated operating capacity.
Does the tree cutter have a push bar?
Yes. The Top Dog Extreme Duty Tree Cutter has 1/2" thick Grade 50 wear bars and a push bar welded on, allowing standing material to be pushed over and cut on the ground.
What size hydraulic hoses does it use?
The Extreme Duty Tree Cutter uses 1" sleeved hose rated to 5,000 PSI, with a relief valve set at 4000/1200.
Is the deck thick enough for rocky ground?
The Top Dog Extreme Duty Tree Cutter uses a 1/4" deck with 1/2" Grade 50 wear bars welded on. The wear bars are the sacrificial contact surface and take ground strike rather than the deck itself.
How is the Extreme Duty Tree Cutter shipped?
Shipping is calculated at checkout — add the item to your cart, enter your delivery address, and the shipping charge is displayed before you complete your order. At 2,075 lbs this ships LTL freight; lift gate service is available for residential deliveries and can be selected at checkout.
How do I order the Extreme Duty Tree Cutter?
Add the item to your cart directly on eskidsteer.com and complete checkout online. Have your machine make, model, serial number and hydraulic flow rating ready to confirm fitment before ordering. If you have a fitment question before purchasing, call us at (866) 757-8337.
Shipping
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Phone: +1 8667578337
Email: support@eSkidsteer.com
Address: 30 North Gould St Suite R, Sheridan, WY 82801, USA
Returns
Returns
We offer returns and exchanges in limited circumstances as follows:
- In order to submit a return, you must contact us by email at support@eSkidsteer.com for us to confirm the items ordered are eligible for return or exchange;
- To be eligible for a return, you must commence the return process within 30 days of your item being delivered to you and:
- it must be unused, for example, once an item is hooked up to an attachment plate, hydraulic lines or electrical connection, it will not be eligible for return. Likewise, if your item shows any sign of use, which we may determine in our sole and absolute discretion, we will not accept the return;
- it must be in the same condition you received it in. You will be required to send us timestamped photos of the condition of your items as a condition to determine your eligibility for the return or exchange; and
- it must be returned in the same packaging or containers as it was received in.
We do not accept returns for products that were listed as final sale items at the time of purchase.
You agree to pay a 25% restocking fee on all returns, which we will deduct from any refund owing to you.
After the above referenced 30-day period, unfortunately we cannot offer you a refund or exchange, under any circumstances.
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