SPECIFICATIONS:
Engine:
Briggs & Stratton Vanguard V-Twin 31hp
Details:
Height: 49.5″
Length (head to side): 79″
Length (head straight): 98″
Width: 35.5″
Weight: 1,700 lb.
Hydraulic Reservoir: 14 gallons
Hydraulic Flow to Head: 13.3gpm
Track Width: 7.1″
Total Ground Contact: 470 sq. in.
Ground Drive Forward: 290 ft/min
Ground Drive Reverse: 180 ft/min
Wheel Specifications
Cutting Wheel: 19.2″ diameter to tooth
Cutting Teeth: 0.750 thick, 16 green teeth
Cutting Depth: 12″
Cutting Height: 32″
Head Swing: 134˚, 99.7″ arc
WHY BARRETO?
Design
The 30SG stump grinder features a variant of the same time-tested track drive platform used by the RTK trencher series. The 30SG has a hydraulically-driven cutter wheel that is raised and lowered into the stump and then moved from side to side to cut down. The 30SG is powered by a 31hp Briggs & Stratton Vanguard V-Twin engine. The engine is coupled to two gear pumps: the larger gear pump drives the cutter wheel and the smaller pump works the tilt and swing cylinders. The tracks are driven by independent hydrostatic pumps mounted on the rear of the engine for easy access and simple linkage control. Counterbalance valves on each track drive prevent the track motors from slipping while the cutter wheel is engaged in the cutting process, even while operating on a slope.
Controls
The cutter wheel operation and articulating arm are operated by controls mounted on the console. The cutter wheel is activated by a switch on the control stick and has a secondary safety switch to prevent accidental engagement. Back and forth movement across the stump, as well as depth of cut, are easily controlled by handles on the console, allowing for carefully controlled movement of the cutter wheel as it reduces the stump to chips.
ROI
All hydraulic drive to the cutter wheel eliminates costly belts. It also increases customer satisfaction by ensuring there is no loss of power because of a damaged belt or mechanical component. The track drive increases maneuverability around the job site, creating customer satisfaction by allowing them to get the job done with increased efficiency.
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