Caterpillar MD6290 Rotary

Specifications of Caterpillar MD6290 Rotary

Specifications

• Bit Load up to 29 000 kg (up to 63,934 lb)
• Engine C15 (Tier 3) – 403 kW (540 hp) at 2,100 rpm
• Hole Diameter 152 – 270 mm (6.0 – 10.6 in)
• Multi-Pass Hole Depth (10 m Mast) Up to 52.7 m (173 ft)
• Multi-Pass Hole Depth (11 m Mast) Up to 32.3 m (106 ft)
• Multi-Pass Hole Depth (8 m Mast) Up to 45.1 m (148 ft)
• Single-Pass Hole Depth (10 m Mast) Up to 10.1 m (33 ft 2 in)
• Single-Pass Hole Depth (11 m Mast) Up to 11.0 m (36 ft)
• Single-Pass Hole Depth (8 m Mast) Up to 8.6 m (28 ft 2 in)
• Working Weight (Approximate) 54500.0 kg

Hydraulic System

• Accessory Circuit/Feed Pump (Open-loop) – Maximum flow 283.0 L/min
• Accessory Circuit/Feed Pump (Open-loop) – Pressure rating 230.0 bar
• Accessory Circuit/Feed Pump (Open-loop) – Type Axial piston, variable volume
• Fan Circuit Pump – Maximum flow (dual fan) 246.0 L/min
• Fan Circuit Pump – Maximum flow (single fan) 216.0 L/min
• Fan Circuit Pump – Pressure rating 207.0 bar
• Fan Circuit Pump – Type Gear
• Fan Drive Motor(s) – Dual fan 2
• Fan Drive Motor(s) – Pressure rating (continuous) 414.0 bar
• Fan Drive Motor(s) – Single fan 1
• Fan Drive Motor(s) – Type Piston
• Filtration (all filters have indicators and bypass) – Case return 12 micron absolute
• Filtration (all filters have indicators and bypass) – Charge 3 micron, 1 per loop
• Filtration (all filters have indicators and bypass) – Loop 12 micron, 2 per loop (optional)
• Filtration (all filters have indicators and bypass) – Main return 12 micron absolute
• Left Track/Rotation Pump (Closed-loop) – Maximum flow 262.0 L/min
• Left Track/Rotation Pump (Closed-loop) – Pressure rating 380.0 bar
• Left Track/Rotation Pump (Closed-loop) – Type Axial piston, variable volume
• Pump Drive Gearbox – Drive Rubber coupler/drive shaft to front of engine
• Pump Drive Gearbox – Type 3 pad
• Right Track Pump (Closed-loop) – Maximum flow 262.0 L/min
• Right Track Pump (Closed-loop) – Pressure rating 380.0 bar
• Right Track Pump (Closed-loop) – Type Axial piston, variable volume
• Rotation Drive Motor – Pressure rating 345.0 bar
• Rotation Drive Motor – Type Axial piston variable volume
• Track Drive Motors (2) – Pressure rating 414.0 bar
• Track Drive Motors (2) – Two-speed 107/125 cc
• Track Drive Motors (2) – Type Bent axis fixed volume

Undercarriage

• Brake release Automatic
• Brakes Spring set, hydraulic release
• Final drive Independent hydrostatic, 2-speed motors
• Front Three-point oscillating type
• Gradeability mast down 32%
• Maximum drive horsepower per track 152.0 kW
• Number of rollers on each side 10
• Overall length (variable with adjustment) 5080.0 mm
• Pad type Triple grouser
• Pad width 750.0 mm
• Rear axle (solid) 203.0 mm
• Rock guards/chain guides Standard full-length guards
• Rollers Sealed, oil-flooded
• Track adjustment means Hydraulic with grease gun
• Track drive disconnect Standard (manual)
• Tram speed maximum 3.14 km/h
• Type Excavator type
• Upper track chain support Two (2) carrier rollers
• Width over tracks 3912.0 mm

RATED CAPACITY

• Bit/hole diameter 152-270 mm (6-10.625 in)
• Depth multi-pass (10 m/32 ft 9¾ in mast) Up to 52.7 m (Up to 173 ft 0 in)
• Depth multi-pass (11 m/36 ft 0 in mast) Up to 32.3 m (Up to 106 ft 0 in)
• Depth multi-pass (8 m/26 ft 3 in mast) Up to 45.1 m (Up to 148 ft 0 in)
• Depth single-pass (10 m/32 ft 9¾ in mast) Up to 10.1 m (Up to 33 ft 2 in)
• Depth single-pass (11 m/36 ft 0 in mast) Up to 11.0 m (Up to 36 ft 0 in)
• Depth single-pass (8 m/26 ft 3 in mast) Up to 8.6 m (Up to 28 ft 2 in)

OPERATING TEMPERATURE

• Altitude Up to 4572 m (Up to 15,000 ft)
• Cold weather option -40.0 ° C
• Maximum ambient rating (standard) 52.0 ° C
• Minimum ambient rating (standard) -28.0 ° C

PULL-DOWN/HOISTING CAPACITY

• Adjustable head guide shoes Steel with replaceable Nylatron™
• Cable sheaves (cylinder) – outside diameter 406.0 mm
• Cable sheaves (top and bottom) – outside diameter 559.0 mm
• Cable type – 25 mm (1 in) DYFORM 8
• Cylinder bore – diameter 178.0 mm
• Cylinder rod – diameter 127.0 mm
• Feed rate 0-42.9 m/min (0-141 ft/min)
• Head travel (10 m/32 ft 9¾ in mast) 11.79 m
• Head travel (11 m/36 ft 0 in mast) 12.5 m
• Head travel (8 m/26 ft 3 in mast) 10.26 m
• Number of cylinders 1
• Pull-down cylinder stroke (10 m/32 ft 9¾ in mast) 5.89 m
• Pull-down cylinder stroke (11 m/36 ft 0 in mast) 6.25 m
• Pull-down cylinder stroke (8 m/26 ft 3 in mast) 5.1 m
• Rated hoist capacity Up to 210 kN (Up to 47,100 lbf)
• Rated pull-down capacity Up to 267 kN (Up to 60,000 lbf)
• Retract rate 0-44.8 m/min (0-147 ft/min)
• Sheave guards Standard at bottom plate
• Type Open-loop, hydraulic (stationary barrel, moving rod)

ROTARY DRIVE SYSTEM

• Drive motor See Hydraulic System
• Gearbox Casting design
• Gearing Straight spur
• Horsepower capacity 139.0 kW
• Lubrication Oil flooded
• Main thrust bearing Taper roller
• Ratio 16:1
• Rotation speed 0-220 rpm
• Torque 0-12 880 N·m (0-9,500 lbf-ft)

MAST

• Construction ASTM 500 grade B rectangular tubing, welded
• Hose rack Sheet steel trough for moving hoses
• Hydraulic lines Pressure-rated steel hydraulic tubing
• Main chord size – Front 203 mm × 102 mm × 6 mm (8 in × 4 in × 0.25 in)
• Main chord size – Rear 102 mm × 102 mm × 13 mm (4 in × 4 in × 0.5 in)
• Pivot and raising area Rectangular tubing A frame; reinforced in high-stress areas
• Table hole diameter (diameter deck hole for guide bushing) 279.0 mm

MAST - ELEVATING CYLINDERS

• Cylinder bore diameter 178.0 mm
• Cylinder connection pins diameter 45.0 mm
• Cylinder rod diameter 89.0 mm
• Cylinder stroke 965.0 mm
• Lift capacity each cylinder 471.0 kN
• Number of cylinders 2

OPERATOR’S CAB

• Climate Control Wall mounted, AC/heating/pressurizing unit
• Construction 12 gauge steel welded to formed 12 gauge channel and angle supports
• Door latches Heavy-duty latches with lockable handles
• Floor area 3.0 m2
• Height inside 1943.0 mm
• Helper’s seat Fixed folding jump seat
• Insulation, floor [closed-cell foam with 3 mm (0.125 in) pyramid vinyl surface] 10.0 mm
• Insulation, wall and ceiling (thermal) 25.0 mm
• Left door to work deck Swing-type, HD hinge
• Length at floor 1981.0 mm
• Location To the right from the mast if facing rear deck from the rear end
• Number of doors 2 with windows (included in above)
• Number of windows 10
• Operator’s seat One swivel-type with armrests, headrest and retractable seatbelt
• Other Window wipers and washers
• Right door Swing-type, HD hinge
• Sound levels 80 dB(A) or less
• Type Shock-mounted; two-man, integrated FOPS certified
• Width at floor 1518.0 mm
• Windows (tinted safety glass in rubber mounting) 6.0 mm

MAINFRAME

• Construction Electric welded
• Handrails - Diameter 48.0 mm
• Handrails - Height 1219.0 mm
• Jacks, mast pivot and deck Welded integrally to mainframe
• Machine deck Access both sides
• Main rails (ASTM 500 Grade B rectangular tubing heavily cross-braced and reinforced at high-stress areas) 203 mm × 406 mm × 13 mm (8 in × 16 in × 0.5 in)
• Toolbox Lockable door, below cab side walkway
• Tow hooks Welded, two (2) front

DRILL TABLE AND WORK DECK

• Deck floor material Non-skid sheet metal
• Drill deck area 6.86 m2
• Drill deck length 2661.0 mm
• Drill deck width 2578.0 mm
• Hand rails – Diameter 48.0 mm
• Hand rails – Height 1219.0 m
• Table height off ground 1321.0 mm

DUST CURTAIN (OPTIONAL HYDRAULIC LIFTERS, FRONT AND REAR)

• Dust deflector Natural rubber seal
• Dust deflector – Diameter 356.0 mm
• Dust deflector – Thickness 13.0 mm
• Enclosed area 4.2 m2
• Location Directly below table bushing
• Material (rubber nylon reinforced) 6.0 mm
• Split for excess Front and rear with 305 mm (12 in) overlap

OIL COOLING SYSTEM (HYDRAULIC TANK)

• Reservoir pressure Atmospheric, filtered breather
• Reservoir with sight and temperature gauge 644.0 L

LUBRICATION

• Type Centralized manual (optional auto-lubrication)