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SG16

SG16

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.

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Specifications
  • Required Hydraulics
    Standard Flow
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  • Cutting Wheel Diameter - With Teeth
    21.5 in 547 mm
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  • Cutting Depth - Below Ground
    20.5 in 521 mm
    {"Name":"Cutting Depth - Below Ground","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"20.5","MetricUnit":"mm","MetricValue":"521","Type":"measurement","SpecificationGroup":null,"SortOrder":"3"}
  • Cutting Head Extension
    11 in 280 mm
    {"Name":"Cutting Head Extension","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"11","MetricUnit":"mm","MetricValue":"280","Type":"measurement","SpecificationGroup":null,"SortOrder":"4"}
  • Cutting Head Speed at Maximum Flow
    993 rpm
    {"Name":"Cutting Head Speed at Maximum Flow","SpecificationId":null,"TextValue":"993 rpm","EnglishUnit":null,"EnglishValue":null,"MetricUnit":null,"MetricValue":null,"Type":"text","SpecificationGroup":null,"SortOrder":"5"}
  • Cutting Head Swing Range
    70 degrees
    {"Name":"Cutting Head Swing Range","SpecificationId":null,"TextValue":"70 degrees","EnglishUnit":null,"EnglishValue":null,"MetricUnit":null,"MetricValue":null,"Type":"text","SpecificationGroup":null,"SortOrder":"6"}
  • Cutting Height - Above Ground
    18.5 in 470 mm
    {"Name":"Cutting Height - Above Ground","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"18.5","MetricUnit":"mm","MetricValue":"470","Type":"measurement","SpecificationGroup":null,"SortOrder":"7"}
  • Cutting Wheel Width - With Teeth
    3.3 in 83 mm
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  • Cutting Width - Full Swing Range
    60 in 1524 mm
    {"Name":"Cutting Width - Full Swing Range","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"60","MetricUnit":"mm","MetricValue":"1524","Type":"measurement","SpecificationGroup":null,"SortOrder":"9"}
  • Drive Method
    Gerotor Motor- Direct
    {"Name":"Drive Method","SpecificationId":null,"TextValue":"Gerotor Motor- Direct","EnglishUnit":null,"EnglishValue":null,"MetricUnit":null,"MetricValue":null,"Type":"text","SpecificationGroup":null,"SortOrder":"10"}
  • Drive Shaft Torque at Maximum Pressure
    217.6 lb/ft 295 N·m
    {"Name":"Drive Shaft Torque at Maximum Pressure","SpecificationId":null,"TextValue":null,"EnglishUnit":"lb/ft","EnglishValue":"217.6","MetricUnit":"N·m","MetricValue":"295","Type":"measurement","SpecificationGroup":null,"SortOrder":"11"}
  • Motor Displacement
    4.9 in³ 80 cm³
    {"Name":"Motor Displacement","SpecificationId":null,"TextValue":null,"EnglishUnit":"in³","EnglishValue":"4.9","MetricUnit":"cm³","MetricValue":"80","Type":"measurement","SpecificationGroup":null,"SortOrder":"12"}
  • Optimal Hydraulic Pressure
    145-235 bar (2100-3400 psi)
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  • Overall Height
    28.7 in 730 mm
    {"Name":"Overall Height","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"28.7","MetricUnit":"mm","MetricValue":"730","Type":"measurement","SpecificationGroup":null,"SortOrder":"14"}
  • Overall Length
    68.4 in 1737 mm
    {"Name":"Overall Length","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"68.4","MetricUnit":"mm","MetricValue":"1737","Type":"measurement","SpecificationGroup":null,"SortOrder":"15"}
  • Overall Width
    46.3 in 1175 mm
    {"Name":"Overall Width","SpecificationId":null,"TextValue":null,"EnglishUnit":"in","EnglishValue":"46.3","MetricUnit":"mm","MetricValue":"1175","Type":"measurement","SpecificationGroup":null,"SortOrder":"16"}
  • Optimal Hydraulic Flow
    42-86 L/min (11-23 gpm)
    {"Name":"Optimal Hydraulic Flow","SpecificationId":null,"TextValue":"42-86 L/min (11-23 gpm)","EnglishUnit":null,"EnglishValue":null,"MetricUnit":null,"MetricValue":null,"Type":"text","SpecificationGroup":null,"SortOrder":"17"}
  • Weight
    835.6 lb 379 kg
    {"Name":"Weight","SpecificationId":null,"TextValue":"32","EnglishUnit":"lb","EnglishValue":"835.6","MetricUnit":"kg","MetricValue":"379","Type":"measurement","SpecificationGroup":null,"SortOrder":"18"}
  • Number of Carbide Teeth per Cutting Wheel
    32
    {"Name":"Number of Carbide Teeth per Cutting Wheel","SpecificationId":null,"TextValue":"32","EnglishUnit":null,"EnglishValue":null,"MetricUnit":null,"MetricValue":null,"Type":"text","SpecificationGroup":null,"SortOrder":"19"}
Benefits

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

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

Adjustability

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

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

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.
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