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Marsh Buggys with Excavators

 

 

3240D HD Amphibious Hydraulic Excavator Specifications

Amphibious Hydraulic Undercarriage 320D Excavator Upper

Machine Transport Weight: 35,374 kg (70,000 lb) C7 ACERT 140 kW (188 hp) @1800 RPM

Ground Pressure: 0.012 kg/sq cm (1.75 psi) Reach boom: 35 feet

Gradeability: 60% 72 wide (2.25cy) GP Bucket

Travel Speed 3.0 kph (1.7 mph) 1041 L (300 gallon) auxiliary fuel tank

Cat Power Train Components Cat Dealer Parts and Service

PONTOON DIMENSIONS

5 feet high x 6 feet wide x 32 feet long assembled width (18 feet)

PONTOON CONSTRUCTION

High-strength, Low Alloy, Weathering steel plate is used in the fabrication of the pontoons. This steel had 5-8 times the atmospheric corrosion resistance and 30% 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.

CARBODY

C.C.R. Manufacturing custom designed flanged center carbody makes assembly and disassembly faster and easier.

TRACK CLEATS

Specially designed marine grade 76 mm (3 inch) wide extruded 6061-TC aluminum alloy cleats with 2 HDMP wear pads are capable of supporting the pontoons and excavator upper.

TRACK CHAINS

Three strands of specially designed, heavy duty, 127 mm (5 inch) pitch marsh buggy track chains are installed on each pontoon. The hardened track chain rollers run in pontoon channels lined with an abrasive resistant wear bar. The drive and idler sprockets are flame hardened to match the hardness of the track chain rollers.

DRIVE CHAINS

Engineering Class 78 mm (3.067 inch) pitch, high strength, heavy-duty, offset side bar drive is used to transfer power from the sealed, two stage planetary final drive gear boxes to the driven sprockets on the track chain drive sprockets.

HYDROSTATIC DRIVE

Power for the pontoon tracks is provided by the Cat 324D excavator upper's diesel engine and main hydraulic pumps through a Cat hydraulic swivel. Cat travel motor/brake combinations are mated to the sealed planetary final drives to provide independent power to each pontoon track. Standard excavator travel controls are used.

 

 

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