KOBELCO minis prove that great things can come in small packages. These machines pack full-size performance into a highly portable frame. A minimal rear swing radius with zero tail overhang allows for excellent handling in confined spaces while a simple design makes routine maintenance easy.


  • Engine Power - 29.6 kW (39.6 hp)
  • Operating Weight - 5,020 kg (11,067 lbs)

Now KOBELCO has taken the next evolutionary step by packaging even more digging power and practical performance features into the SK55SRX-6 while maintaining a short tail swing.

The Energy Conservation Mode saves even more fuel, and KOBELCO's proprietary iNDr Cooling System ensures quiet operation, protection from dust, and easy maintenance.

For greater operator comfort and safety, the spacious cab design offers plenty of room and an unobstructed view. It all adds up to enhanced full-size performance, short-radius agility and a low-noise environment, with exceptional performance features and a full range of value-added functions.

Overall Length18' (5,500 mm)
Overall Height (to top of boom)8' 3" (2,530 mm)
Overall Width6' 5" (1,960 mm)
Ground Clearance of Rear End1' 11" (605 mm)
Tail Swing Radius3' 10" (1,170 mm)
Distance From Center of Swing To Rear End3' 10" (1,170 mm)
Tumbler Distance6' 6" (2,000 mm)
Track Gauge5' 1" (1,560 mm)
Shoe Width1' 3" (400 mm)
Overall Width of Upperstructure6' 4" (1,940 mm)


Travel Speed2.4 mph (4 kph) / 1.4 mph (2.3 kph)
Drawbar Pulling Force12,342 lbf (54.9 kN)


Operating Weight11,067.1 lbs (5,020 kg)


ModelYanmar 4 TNV 88
Power Output 39.6 hp (29.6 kW)
37.9 hp (28.3 kW)
Max. Torque96.6 lbf (131.1 Nm)
Displacement133.5 in³ (2.189 ltr)
Fuel Tank19.8 gallons (US) (75 ltr)


Pump 2 Variable axial piston
Dozer Blade Blade Height: 13.58" (345 mm)
Blade Width: 6' 5" (1,960 mm)
Max. Raise Height: 14.76" (375 mm)
Dig Depth: 15.15" (385 mm)
Max. Digging Reach20' 5" (6,240 mm)
Max. Digging Reach At Ground Level20' (6,100 mm)
Max. Digging Depth12' 9" (3,900 mm)
Max. Digging Height19' 5" (5,930 mm)
Max. Dumping Clearance14' 3" (4,350 mm)
Max. Vertical Wall Digging Depth10' 3" (3,140 mm)
Min. Swing Radius7' 4" (2,250 mm)
Bucket Digging Force7,913.2 lbf (35.2 kN)
Arm Crowding Force5,530.2 lbf (24.6 kN)