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Caterpillar

SG16 Stump Grinder

Designed to remove stumps in residential, commercial and agricultural settings.

Photos

  • Studio Shot
    Studio Shot
  • Front View
    Front View
  • Top View
    Top View
  • Left View
    Left View
  • Rear View
    Rear View
  • Bottom View
    Bottom View
  • Right View
    Right View
  • Cat® 297D2 and SG18B Stump Grinder at Work
    Cat® 297D2 and SG18B Stump Grinder at Work
  • Cat® SG18B Stump Grinder at Work
    Cat® SG18B Stump Grinder at Work

Videos

  • Cat® Stump Grinder Attachment at Work
  • Cat® Stump Grinder Operating Tips
  • Cat® Stump Grinder Overview
  • An Attachment for Every Job - Cat® Work Tool Attachments

360° View

Exterior

Model shown represents features on all Cat® Stump Grinders except where indicated.

Documents

Features

Application

Application

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.

Application

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.
Drive System

Drive System

Direct drive system features a variable speed, unidirectional, gerotor style motor for optimal cutting wheel speed and high torque for efficient grinding performance.

Drive System

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

Heavy Duty Cutting Wheel

Heavy-duty cutting wheel and 32 bolt-on and replaceable carbide teeth provide maximum durability and cutting efficiency.

Heavy Duty Cutting Wheel

Heavy-duty cutting wheel and 32 bolt-on and replaceable carbide teeth provide maximum durability and cutting efficiency.
Adjustability

Adjustability

Adjustable cutting wheel swing, extension and depth for superior operator control.

Adjustability

Adjustable cutting wheel swing, extension and depth for superior operator control.
Hydraulic Controls

Hydraulic Controls

Swing and extension are controlled hydraulically from the operator's compartment using an electro-hydraulic valve for greater productivity and swing cycle time efficiency.

Hydraulic Controls

Swing and extension are controlled hydraulically from the operator's compartment using an electro-hydraulic valve for greater productivity and swing cycle time efficiency.
Dual Height Pivoting Stand Feet

Dual Height Pivoting Stand Feet

Heavy-duty, dual height, pivoting stand feet provide a stable platform when grinding. Feet are adjustable to compensate for specific machine coupler-to-ground height and tire diameters.

Dual Height Pivoting Stand Feet

Heavy-duty, dual height, pivoting stand feet provide a stable platform when grinding. Feet are adjustable to compensate for specific machine coupler-to-ground height and tire diameters.

Specifications

  • General
    Spec Value
    Required Hydraulics Standard Flow
    Cutting Wheel Diameter - With Teeth 21.5 in
    Cutting Depth - Below Ground 20.5 in
    Cutting Head Extension 11 in
    Cutting Head Speed at Maximum Flow 993 rpm
    Cutting Head Swing Range 70 degrees
    Cutting Height - Above Ground 18.5 in
    Cutting Wheel Width - With Teeth 3.3 in
    Cutting Width - Full Swing Range 60 in
    Drive Method Gerotor Motor- Direct
    Drive Shaft Torque at Maximum Pressure 217.6 lb/ft
    Motor Displacement 4.9 in³
    Optimal Hydraulic Pressure 145-235 bar (2100-3400 psi)
    Overall Height 28.7 in
    Overall Length 68.4 in
    Overall Width 46.3 in
    Optimal Hydraulic Flow 42-86 L/min (11-23 gpm)
    Weight 835.6 lb
    Number of Carbide Teeth per Cutting Wheel 32