Pontoon
Construction
High-Strength, Low Alloy, Weathering Cor-Ten plate steel is
used in the fabrication of the Wilco pontoons. Cor-Ten steel
has 5 10 8 times the atmospheric corrosion resistance and 20%
more tensile strength than similar size A36 structural plate
steel. Each pontoon has 5 bulkheads, providing 6 independent
watertight compartments. The bottoms of the pontoons are reinforced
for rough terrain operations.
Track
Shoes
Specially designed marine grade, extruded 6061-T6 aluminum
alloy cleats with 2 HDMP wear pads are capable of supporting
the pontoon and its payload.
Track
Chains
Three strands of specially designed, heavy-duty, 4 inch pitch
marsh buggie track chain on each pontoon. The hardened track
chain rollers run in pontoon channels lined with an abrasive
resistant wear bar. Drive and idler shaft sprockets are flame
hardened to match the hardness of the track chain rollers.
Drive
Chains
Engineering class US3011, 3.067 inch pitch, heavy-duty offset
side bar drive chain is used to transfer power from the two
stage planetary final drive gear boxes to the drive shaft
sprocket on each track.
Hydrostatic
Drive
Power for the pontoon tracks is provided by the 325 excavator’s
diesel engine and main hydraulic pumps through a 325 hydraulic
swivel. Cat® 325 travel motors and brakes are mated to
the sealed planetary final drives to provide independent
power to each pontoon track. Standard excavator travel controls
are used.
Maximum
Drawbar Pull:
16,783 kg (37,000 lb)
Maximum Travel Speed:
2.9 kph (1.8 mph) |
