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Equipment at Martha Mine: FACT FILE
Machine: Dump Truck
Model: Caterpillar 777C
Capacity: 85 - 100 tonnes
Overall weight: 150 tonnes gross
Horsepower: 900
Diesel Consumption: 90 litres per hour
Transmission: automatic 7 speed split shift
Cost :$1,390,000
Tyres: $11,200 each, 6 on each truck
Each truck takes about 15 minutes to complete a round trip from the bottom of the mine to the crusher and return.

Machine: Dump Truck
Model: KOMATSU 1200
Capacity: 140 tonnes
Overall weight: 240 tonnes gross
Diesel Consumption: 120 litres per hour
Horsepower: 1200
Transmission: automatic 7 speed
Cost: $2,000,000
Tyres: $16,000 each

Machine: Bulldozer
Model: Caterpillar D11
Capacity of blade: 35.5 cubic metres
Weight: 102.5 tonnes
Horsepower: 850
Cost: $1,900,000
Diesel Consumption: 100 litres per hour
The D11 must be completely overhauled every 14,000 hours of work at a cost of $520,000.

Machine: Bulldozer
Model: Caterpillar D10
Capacity of blade: 24 cubic metres
Weight: 66 tonnes
Horsepower: 570
Cost: $1,000,000
Diesel Consumption: 75 litres per hour

Machine: Excavator
Model: Hitachi EX 1100
Capacity of bucket: 6.5 cubic metres
Weight: 110 tonnes
Horsepower: 600
Cost: $1,800,000
Bucket loads per truck: 7 - 9
Diesel Consumption: 100 litres per hour

Machine: Excavator
Model: Hitachi 1800
Capacity of bucket: 12 cubic metres
Weight: 180 tonnes
Horsepower: 2 x 600 HP engines
Cost: $2,500,000
Bucket loads per truck: 4

Machine: Loader
Model: Caterpillar 992C
Capacity of bucket: 11.2 cubic metres
Weight: 85 tonnes
Horsepower: 700
Cost: $2,000,000
Diesel Consumption: 105 litres per hour

Machine: Drill Rig
Model: Gardner Denver 3500/400
Drill bit size: 76mm - 100mm
Depth: 2.3m - 5.2m
Weight: 15 tonnes
Probe drill: up to 9m
Cost: $500,000
A carousel puts rods down the drillhole, which means only one person is needed to operate this machine.

Machine: Drill Rig
Model: Montabert
Weight: 33 tonne
Probe drill: up to 9m
Cost: $720,000
This rig is mounted on Caterpillar excavator

Machine: Grader
Model: Caterpillar 14G
Weight: 18.5 tonnes
Cost: $550,000
Capacity of blade: 2.5 cubic metres


Caterpillar 777C Dump Truck


Caterpillar D11 Bulldozer


Hitachi EX 1100 Excavator


Hitachi EX 1800 Excavator


Caterpillar 992C Loader


Gardner/Denver Drill Rig


Montabert Drill Rig


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