Group: Caterpillar
Catalog excerpts
Hole diameter Depth single pass (16 m config) 16.46 m (54 ft) Depth single pass (13 m config) 13.4 m (44 ft) Operating Temperature Min. ambient rating (standard) -28°C (-20°F) Cold weather option -40°C (-40°F) Max. ambient rating (standard) 52°C (125°F) Pull-down/Hoisting Capacity Pull-down capacity Hoist capacity Drilling feed rate Retract rate Pull-down cylinder stroke Head travel (16 m config) Pull-down cylinder stroke Head travel (13 m config) Open-loop hydraulic (stationary barrel, moving rod) Cylinder bore Pull-down/Hoisting Capacity (continued) Cable type Cable sheaves (cylinder) Cable sheaves (top and bottom) 457 mm OD (18 in) Sheave pins with roller bearing 70 mm (2.75 in) diameter Sheave guards Standard at bottom plate Adjustable head guide shoes Rotary Drive System Rotation speed Horsepower capacity Main thrust bearing Drive motor Steel with replaceable Casting design Taper roller Straight spur
Open the catalog to page 1Rotary Blasth Cooler Assembly Radiator-CAC-Oil Cooler Assembly Cat® C27 (Non-cert, Tierll) Single, front-end mounted Cooler width Cooler height Engine radiator Sealed deaeriation tank, pressure cap, overflow tube & sight glass Standard ambient rating Radiator-Oil Cooler Assembly Single, front-end mounted Cooler width Cooler height Engine radiator Sealed deaeriation tank, pressure cap, overflow tube & sight glass Standard ambient rating Radiator-CAC-Oil Cooler Assembly Cummins QST-30 Split-mounted on opposite sides of the deck Cooler width Cooler height Engine radiator Standard ambient...
Open the catalog to page 2Rotary Blasthole Drill (13 or 16 m Mast)—MD6420 Compressor (Standard) single-stage screw Discharge air flow (sea level) Dry-type with safety Air-to-oil cooler, thermostatically controlled Vertical barrier element, (44 gal) sump, vertical tank Direct coupled to engine Automatic with safety Compressor (Optional) Hydraulic cylinder-operated from operator's seat single-stage screw Discharge air flow (sea level) Dry-type with safety Air-to-oil cooler, thermostatically controlled Vertical barrier element, (44 gal) sump, vertical tank Direct coupled to engine Automatic with safety Compressor...
Open the catalog to page 3Rotary Blasthole Drill (13 or 16 m Mast)—MD6420 Engine (continued) Engine (Optional) Rated horsepower Full load Starting system Safety shut-down system Dry-type with safety element Jacket water cooling and/or CAC Fuel tank Turbo and manifold covers Blankets and/or exhaust wrap rectangular tubing, welded Main chord size Pivot and raising area Rectangular tubing A frame, reinforced in high-stress areas Hydraulic lines Pressure-rated steel hydraulic Hose rack Mast-Elevating Cylinders Sheet steel trough for moving hoses Cylinder bore Cylinder stroke Lift capacity each cylinder 960 kN (215,875...
Open the catalog to page 4Rotary Blasthole Drill (13 or 16 m Mast)—MD6420 Operator's Controls (continued) Standard Drilling Controls Leveling jacks controls (hydraulic) HOBO/Break-out wrench control (electric) Mast elevation control (hydraulic) Pull-down control (electric over hydraulic) Pull-down pressure control (pilot hydraulic) Rotation control (electric over hydraulic) Propel controls (electric over hydraulic) Carousel in/out control (electric) Carousel indexing (electric) Mast lock (electric) Dust/water injection (electric) Dust curtain (electric) Deck wrench control (electric) Level indicator (electric)...
Open the catalog to page 5Rotary Blasthole Drill (13 or 16 m Mast)—MD6420 Hydraulic System Left Track/Rotation Pump (Closed-Loop) Axial piston, variable Right Track Pump (Closed-Loop) Axial piston, variable Accessory Circuit/Feed Pump (Open-Loop) Axial piston, variable Pressure Rating Fan Circuit Pump (Open-Loop) Pressure Rating Track Drive Motors (2) Axial piston Pressure Rating Rotation Drive Motors (2) Axial piston fixed Pressure Rating Pressure Rating Pump Drive Gearbox Rubber coupler/drive shaft Filtration (All Alters have indicators and bypass) Main return Case return Hydraulic System (continued) Oil Cooling...
Open the catalog to page 6Rotary Blasthole Drill (13 or 16 m Mast) Accessories, Tools & Handling Equipment Deck Wrench Drill deck Wrench plate Wrench positioning Hydraulic cylinder Impact means HOBO Break-Out Wrench Lower left, outside mast Wrench type Patented HOBO (Hydraulic Pipe Rack (Inside the Mast) Carousel with stationary pods and breaker plates Pipe rack swing Pipe rack index Hydraulic cylinder with Cable size Safety hook Swivel-type positive lock
Open the catalog to page 7Rotary Blasthole Drill (13 or 16 m Mast)—MD6420 Basic Shipping Weights and Dimensions Quantity Description of Goods Approximate Dimensions Model MD6420 (13 or 16 m mast) Rotary Blasthole Drill to include toolbox (stowed inside: bit basket, horseshoe bushing, lifting bk sub on deck; Operator's manual and blow-down hose in cab Model MD6420 (13 or 16 m mast) Mast assembly to include dust hood, large shock sub with adapter and safety sling stowed within Deck piece for MD6420 (13 or 16 m mast) Additional mast rests for MD6420 (13 or 16 m mast) (mounted off Note: Final dimensions, GVW and...
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