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Caterpillar

SG16 Stump Grinder

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

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Exterior

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

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Specifications

Spec Value
Required Hydraulics Standard Flow 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 993 rpm
Cutting Head Swing Range 70 degrees 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 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) 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
Required Hydraulic Flow 42-86 L/min (11-23 gpm) 42-86 L/min (11-23 gpm)
Weight 835.6 lb 379 kg
Number of Carbide Teeth per Cutting Wheel 32 32

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