It only makes sense that the company that invented SR (short rear swing) excavators would stay ahead of the competition. The exclusive iNDr Cooling System reduces dust while delivering ultra-quiet operation, and multiple mode settings allow you to dial in the perfect balance of performance and fuel economy.

SK140SRLC-7 Offset Boom

  • Engine Power - 105.4 hp (78.6 kW)
  • Operating Weight - 33,700 lbs (15,300 kg)

The KOBELCO SK140SRLC-7 Offset Boom is packed with impressive power for a mid-sized machine. Its compact design, short rear swing agility and long digging reach capabilities provide a broad working range and easy maneuverability.

KOBELCO's exclusive iNDr noise reduction system allows the SK140SRLC-7 Offset Boom to minimize dust and suppress noise. This machine supplies the perfect balance of fuel economy and jobsite productivity with a variety of operating modes. Plus, premier operator comforts mean it's easier to stay focused on the task at hand.

This KOBELCO machine is a winner of the 2021 EquipmentWatch Lowest Cost of Ownership Award.

Image of EquipmentWatch Lowest Cost of Ownership Award

Watch the Video:

SK140SRLC-7 Offset Boom Showcase Video

Overall Height (to top of boom)9' 5" (2,860 mm)
Overall Width8' 6" (2,590 mm)
Ground Clearance of Rear End2' 10" (870 mm)
Ground Clearance16.3" (415 mm)
Tail Swing Radius4' 11" (1,490 mm)
Distance From Center of Swing To Rear End4' 11" (1,490 mm)
Tumbler Distance10' (3,040 mm)
Track Gauge6' 6" (1,990 mm)
Shoe Width23.6 (600 mm)
Overall Width of Upperstructure8' 2" (2,480 mm)


Travel Speed3.5 mph (5.6 kph) / 2.1 mph (3.4 kph)
Drawbar Pulling Force31,700 lbf (141 kN)


Operating Weight33,700 lbs (15,300 kg)


ModelIsuzu 4JJ1XDRAC-01
Power Output 115 hp (86 kW)
105 hp (78.6 kW)
Max. Torque277 lbf (357 Nm)
Displacement183 in³ (2.999 ltr)
Fuel Tank49.1 gallons (US) (186 ltr)


Pump 2 Piston
Dozer Blade Blade Height: 20" (515 mm)
Blade Width: 8' 6" (2,590 mm)
Max. Raise Height: 23" (575 mm)
Dig Depth: 23" (575 mm)
Max. Digging Reach25' 9" (7,860 mm)
Max. Digging Reach At Ground Level25' 3" (7,690 mm)
Max. Digging Depth17' 2" (5,220 mm)
Max. Digging Height27' 1" (8,250 mm)
Max. Dumping Clearance19' 6" (5,930 mm)
Max. Vertical Wall Digging Depth10' 7" (3,230 mm)
Min. Swing Radius6' 2" (1,870 mm)
Digging Depth For 8 Feet Flat Bottom16' (4,870 mm)
Bucket Digging Force20,900 lbf (92.9 kN)
Arm Crowding Force12,900 lbf (57.3 kN)