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Cat® Rotary drills MD6750
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Catalog excerpts

Cat® Rotary drills MD6750 - 1

Mainframe Components Automatic Leveling System Standard Machine Lift - Rear 1 143 mm (45 in) Machine Lift - Front 1016 mm (40 in) Operating Leveling Grade to 19% Automatic Single Line Rotary Blasthole Drill Lower Works Crawler Mounting_ Dual Axles Fixed Rear & Pivotable Front Overall Tread Width - Standard 6.68 m (21 ft 11 in) Tread Widths - Standard 914 mm (36 in) Tread Widths - Optional Wide Links 1 067 mm (42 in) Chainless Hydraulic Drive, Standard Counter-rotating Tracks, Crawler-mounted Disc Brakes Operating Propel Guide 325% Hole Depth - Single Pass Std 18.29 m (60 ft)

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Cat® Rotary drills MD6750 - 2

Rotary Blasthole Drill—MD6750 A U B E K C H H1 G1 G D M F2 F1 R F Optimal Working Ranges A Overall height w/mast for 60’ single pass 32.36 m (106 ft 2 in) B Height to top of handrails on operator cab 5.92 m (19 ft 5 in) C Groundline to top of deck 2.18 m (7 ft 2 in) D Groundline to bottom of rear jack pads 0.53 m (1 ft 9 in) E Groundline to top of machinery house roof 4.77 m (15 ft 8 in) F Overall width of machine 7.65 m (25 ft 1 in) F1 Centerline of machine to LH side 3.91 m (12 ft 10 in) F2 Centerline of machine to RH side 3.73 m (12 ft 3 in) G Centerline of machine to LH outside edge of...

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Cat® Rotary drills MD6750 - 3

Rotary Blasthole Drill—MD6750 Mast Components Electrical Mast Standard mast for drill pipe & one pipe rack 18.29 m (60 ft) Computer analyzed, HD tubular lattice construction with back braces Raising and Lowering (2) 220 mm (9 in) diameter hydraulic cylinders 1 Angle Hole Drilling 25˚ off vertical in 5˚ increments Equipment Static DC Variable Output Hoist/Pulldown Chainless rack-and-pinion system driven by head-mounted excavator grade DC motor Bit Loading 74 800 kg (165,000 lbs) Feed Rate 7.62 m/min (to 25 fpm) Hoist Rate 30.48 m/min (to 100 fpm) Lowering Rate 30.48 m/min (to 100 fpm)...

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Cat® Rotary drills MD6750 - 4

Rotary Blasthole Drill—MD6750 4 5 6 7 8 9 10 3 3 2 11 1 19 17 20 22 21 23 24 25 26 18 3 0 1' 2' 3' 4' 5' 16 3 SCALE 15 14 12 13 Components 1. Bit Viewing Hatch 9. Hydraulic Oil Cooler & Guard 18. Hydraulic Oil Reservoir 2. Tool Wrench 10. Cold Weather Damper (optional) 19. Hydraulic Valves 3. Leveling Jack (4) 11. Cable Reel (optional) 20. Air Compressor Motor Control Center (MCC) 4. Water Injection Dust Control 3,785 L (1,000 gal) 12. Boarding Stairs 21. Low Voltage Motor Control Center (MCC) 13. Main Air Compressor Package 22. Programmable Controller (PLC) 5. Hydraulic Oil Cooler 14. Main...

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