New | SG18B Stump Grinder

Cat® Stump Grinders are designed to economically remove stumps in residential, commercial and agricultural settings. They offer increased production over tow-behind grinders in situations where multiple stump removal is required. The right balance of cutting wheel speed and torque makes quick work of most tree varieties.

Overall Width46 in
Overall Length69 in
Overall Height32 in
Weight840 lb
Required HydraulicsHigh Flow XPS
Required Hydraulic Flow95-125 L/min (25-33 gpm)
Optimal Hydraulic Pressure207-310 bar (3000-4500 psi)
Motor Displacement6.2 in3
Drive Shaft Torque @ Max Pressure346 lb·ft
Cutting Head Speed @ Max Flow1230 rpm
Cutting Wheel Width (w/teeth)3.3 in
Cutting Wheel Diameter (w/teeth)21.5 in
Cutting Width (full swing range)60 in
Cutting Head Swing Range70 degrees
Cutting Height (above ground)18.5 in
Cutting Depth (below ground)20.5 in
Cutting Head Extension11 in
Number of Carbide Teeth per Cutting Wheel32
Drive MethodGerotor Motor- Direct

Designed To Economically Remove Stumps In Residential, Commercial And Agricultural Settings. Offers Increased Production Over Tow-behind Grinders In Situations Where Multiple Stump Removal Is Required.

Direct Drive System Features A Variable Speed, Unidirectional, Gerotor Style Motor For Optimal Cutting Wheel Speed And High Torque For Efficient Grinding Performance.

Heavy-duty Cutting Wheel And Carbide Teeth Provide Maximum Durability And Cutting Efficiency.

Adjustable Cutting Wheel Swing, Extension And Depth For Superior Operator Control.

Swing And Extension Are Controlled Hydraulically From The Operator's Compartment Using An Electro-hydraulic Valve For Greater Productivity And Swing Cycle Time Efficiency.


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Why Cat is Better. Machine Comparison

Our Hawthorne Sales Representative, Matt Higgins, knows what our needs are. We view him as an extension of our equipment business.
Mark Girard
Habitat Restoration Sciences

San Diego
Ross Farmer
Sales Manager
858.674.7048 office
760.815.4094 mobile

Bobby Whitworth
General Manager
808.676.0353 office
808.864.5147 mobile