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SG16 Stump Grinder

Required Hydraulics
Standard Flow
Cutting Wheel Diameter - With Teeth
21.5 in
Cutting Depth - Below Ground
20.5 in

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.

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

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.

  • 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.

  • 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.

  • Adjustability

    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.

  • 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.

Specifications

Units for specifications

General

Required Hydraulics Standard Flow
Cutting Wheel Diameter - With Teeth 21.5 in 547 mm
Cutting Depth - Below Ground 20.5 in 521 mm
Cutting Head Extension 11 in 280 mm
Cutting Head Speed at Maximum Flow 993 rpm
Cutting Head Swing Range 70 degrees
Cutting Height - Above Ground 18.5 in 470 mm
Cutting Wheel Width - With Teeth 3.3 in 83 mm
Cutting Width - Full Swing Range 60 in 1524 mm
Drive Method Gerotor Motor- Direct
Drive Shaft Torque at Maximum Pressure 217.6 lb/ft 295 N·m
Motor Displacement 4.9 in³ 80 cm³
Optimal Hydraulic Pressure 145-235 bar (2100-3400 psi)
Overall Height 28.7 in 730 mm
Overall Length 68.4 in 1737 mm
Overall Width 46.3 in 1175 mm
Optimal Hydraulic Flow 42-86 L/min (11-23 gpm)
Weight 835.6 lb 379 kg
Number of Carbide Teeth per Cutting Wheel 32

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
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