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Our rotary drills are available in six models, with a maximum bit load range of up to 75 000 kg (165,347 lb), to suit a wide variety of applications. They're proven to deliver efficiency, high productivity and low cost, as well as provide a comfortable environment for the operator.

  
  
ModelBit LoadHole DiameterEngine
»  MD6240
24 000 kg (52,911 lb)
24 000 kg (52,911 lb)

152-270 mm (6-10.625 in)
152-270 mm (6-10.625 in)

C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm
C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm

»  MD6290
up to 29 000 kg (up to 63,934 lb)
up to 29 000 kg (up to 63,934 lb)

152 – 270 mm (6.0 – 10.6 in)
152 – 270 mm (6.0 – 10.6 in)

C15 (Tier 3) – 403 kW (540 hp) at 2,100 rpm
C15 (Tier 3) – 403 kW (540 hp) at 2,100 rpm

»  MD6420
up to 42 000 kg (up to 92,594 lb)
up to 42 000 kg (up to 92,594 lb)

229 – 311 mm (9.0 – 12.3 in)
229 – 311 mm (9.0 – 12.3 in)

C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm
C27 (Tier 2) – 597 kW (800 hp) at 2,100 rpm

»  MD6540 Diesel
up to 54 000 kg (up to 119,050 lb)
up to 54 000 kg (up to 119,050 lb)

229 – 381 mm (9.0 – 15 in)
229 – 381 mm (9.0 – 15 in)

Series 2000 16V – 899 kW (1,205 hp) at 1,800 rpm
Series 2000 16V – 899 kW (1,205 hp) at 1,800 rpm

»  MD6540 Electric
up to 54 000 kg (up to 119,050 lb)
up to 54 000 kg (up to 119,050 lb)

229 – 381 mm (9.0 – 15 in)
229 – 381 mm (9.0 – 15 in)


»  MD6640
up to 64 000 kg (up to 141,096 lb)
up to 64 000 kg (up to 141,096 lb)

244 – 406 mm (9.6 – 16 in)
244 – 406 mm (9.6 – 16 in)

AC Induction Motor – Dual Shaft 522-746 kW (600 hp)
AC Induction Motor – Dual Shaft 522-746 kW (600 hp)

»  MD6750
up to 75 000 kg (up to 165,347 lb)
up to 75 000 kg (up to 165,347 lb)

273 – 445 mm (10.8 – 17.5 in)
273 – 445 mm (10.8 – 17.5 in)

AC Induction Motor – Dual Shaft 522-746 kW (800 hp)
AC Induction Motor – Dual Shaft 522-746 kW (800 hp)

 

Cat Products & Services

The Cat equipment product line, consists of more than 300 products for the construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and has a wide offering of related services.

About Caterpillar Inc.

Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.

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