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WoodMaxx SG-2100
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Gas Engine Powered Stump Grinder
13.5hp Briggs & Stratton XR2100 Engine


Product Code: SG-2100


Engine Starter*:
Electric Start [Add $150.00]
Pull Start (Standard)

Description Warranty Information



- 13.5hp Briggs & Stratton 420CC OHV XR2100 Professional series engine (Pull Start or Electric Start)
- 9 replaceable tungsten cutting blades on a 12" diameter cutting wheel
- Cutting width 2-3/4"

- Cutting depth 1 in. deep
- Pneumatic tires 145/70-6, measuring 14" diameter x 5" wide
- Adjustable operating controls
- 2 heavy duty EPDM cogged drive belts
- Automatic Belt Tensioner
- Safety Stop Bar
- Rust resistant Powder Coat Finish

- Digital Hour Meter
- Rubber debris shield
- Heavy duty pillow block bearings
- Assembled Dims: (LxWxH= 50"x29"x40")
- Weight: Pull Start (298lbs.) 12 V. electric start- 310lbs.

WoodMaxx SG-2100 Stump Grinder

The WoodMaxx SG-2100 (pull start) and SG-2100e (optional electric start) are extremely productive tools for stump removal, grinding stump into chips. Stump Grinding is an easy and preferred option when pulling the stump is not practical, also much less destructive to the surrounding area. With the ability to grind any size stump, the WoodMaxx SG-2100 is a "must have" for Property owners that have wooded lots. Check out these features:

Briggs & Stratton 420CC OHV XR2100 Professional Series Engine

The WoodMaxx SG-2100 is equipped with the high performing and durable, Briggs and Stratton 420CC OHV XR2100 Professional Series engine. This engine features a lo-tone muffler, OHV technology, dual ball bearings, and more. We offer an optional electric start ($150.00) which includes a 12V battery. The magnetron electronic ignition system ensures maintenance-free easy starting and the higher torque provides more power resulting in improved stump grinder productivity. This engine has 13.5hp and 211.00/ft/lbs. of torque (engine meets U.S. EPA and California EXH/EVP SORE regulations). Please click here to learn more.

9 Replaceable Tungsten Cutting Teeth
The SG-2100 is equipped with these 9 equally offset teeth (3 center, 3 right, 3 left). These blades spin at 2500rpm with over 350 strikes ("bites")/second. These teeth provide a 2-3/4 cut.

Cutting Depth
The SG-2100 can take up to a 1" deep cut on each pass. It cuts up to 14" above and 11" below grade.

12" Diameter Cutting Wheel
The large 12" diameter, laminated cutting blade secures the 9 tungsten teeth, providing superior strength to the cutting head to take on even the toughest of stumps.

Pneumatic Tires 145/70-6, measuring 14" diameter x 5" wide
This stump grinder comes standard with 6" steel rim- 14.5" diameter tubeless 4-Ply tire with an aggressive all terrain tread pattern for maximum grip.

Adjustable operating controls
The SG-2100 adjustable handle allows the operator to adjust the handle angle to his/her level. It also folds forward for space-saving storage. It has ergonomic and oversize controls for easy use while wearing gloves.

2 Heavy-duty drive belts
The SG-2100 is equipped with 2 heavy-duty 5/8" wide drive belts. Not all v-belts are equal. These EDPM rubber compound high-temp rated belts have superior combination of flex and load carrying capacity; SAE standard size BZ5.

Automatic Belt Tensioner
The automatic belt tensioner maintains tension on the belts during operation as belts stretch resulting in less maintenance. No other stump grinder on the market has this option.

Safety Stop Bar
Safety is paramount on WoodMaxx machines. Located on the main handle, the SG-2100 utilizes an electrical safety switch to shut the engine down. Simply squeeze the "engine stop switch" and pull start.

Rust Resistant Powder Coat Finish
This is high impact, UV stable, fade-resistant polyester powder coating that is baked on at 450 degrees. Powder coating finish is thicker and more durable than ordinary paint.

Digital Hour Meter
The WoodMaxx SG-2100 digital hour meter ensures proper maintenance intervals.

Transportation and Simplicity
The SG-2100 is perfectly balanced to easily transport the machine from stump to stump effortlessly. This prevents user fatigue, allowing you to prolong your work day. This machine comes standard with easy-lift handles. allowing two people to lift the unit onto the trailer or the back of a pick up truck with ease.

Rubber Debris Shield
The SG-2100 features a rubber debris shield underneath the base to prevent chips from blowing back.

Heavy-duty bearing
The SG-2100 is equipped with a pair of greaseable pillow-block bearings which support the cutting wheel, providing unparalleled axial strength.

Machine 90% Assembled Upon Delivery
The WoodMaxx SG-2100 comes shipped to you in a wooden container and is completely assembled. Simply unfold the handle bars and tighten into user-selectable position. All WoodMaxx machines are given a comprehensive 22 point inspection and are serviced prior to leaving the warehouse. The drive belts have been aligned and tightened, blades have been installed, and bearings have been greased. These and other steps performed here greatly reduce assembly time on your end. Just follow the illustrated, user-friendly assembly manual (and watch the video), and you will be up and running in about two hours.

2 Year Warranty
This robust stump grinder comes with an equally robust 2 year warranty. Our service department also stock a full line of replacement parts.

California Residents See Prop 65 WARNINGS

at 855-966-3629

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 1 Write a review.

  0 of 0 people found the following review helpful:
5 of 5 Woodmaxx hits another home run March 24, 2021
Reviewer: Steve L from Chesterfield, NH United States  
I researched stump grinders extensively, both new and used.  This is my third piece of Woodmaxx power equipment and it won't be my last.  This unit is heavier than the competitors I researched and the 12" cutting wheel works fast with minimal vibration.  Shipping was quick as usual and assembly was easy.  The unit arrived well crated and in perfect condition.  Even though it is shown briefly in the assembly instructions the rubber handle isolating pad is not in the written step-by-step instructions.  I found it much easier to install the rubber shielding before the wheels - they get in the way and putting the unit on higher blocks solves the height issue.   I chose electric start and it is very helpful because the unit grinds so quickly that I found myself stopping often to clear debris from under the machine.  The electric start is worth the few bucks extra.  All things considered this unit is a great value that will pay for itself quickly.

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