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.

SK45SRX-7 Cab

  • Engine Power - 37.0 hp (27.7 kW)
  • Operating Weight - 10,648 lbs (4,830 kg)

The next generation SK45SRX-7 offers the agility of a mini, but with 37 hp and plenty of torque to get you through even the toughest jobs. It's equipped with our exclusive iNDr Cooling System to keep it running quietly and efficiently with even better operator control and comfort. The new hydraulic system shortens the digging cycle time and travel speed is faster. The control center features ergonomic lever angles with wrist rests and a new best-in-class suspension seat. See the brochure for all of the features.

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SK45SRX-7 and SK55SRX-7 Product Video

Overall Height (to top of boom)8' 4" (2,560 mm)
Overall Width6' 5" (1,960 mm)
Ground Clearance12.6" (320 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 Width15 (400 mm)
Overall Width of Upperstructure6' 4" (1,940 mm)


Travel Speed2.6 mph (4.2 kph) / 1.4 mph (2.2 kph)
Drawbar Pulling Force12,300 lbf (54.8 kN)


Operating Weight10,648 lbs (4,830 kg)


ModelYanmar 4TNV88C-PYBD
Power Output 37 hp (27.7 kW)
Max. Torque101 lbf (136.8 Nm)
Displacement133.6 in³ (2.189 ltr)
Fuel Tank19.8 gallons (US) (75 ltr)


Number of Main Pumps 2
Dozer Blade Blade Height: 13.5" (345 mm)
Blade Width: 6' 5" (1,960 mm)
Max. Raise Height: 18.9" (480 mm)
Dig Depth: 15.3" (390 mm)
Max. Digging Reach19' 2" (5,850 mm)
Max. Digging Reach At Ground Level18' 8" (5,700 mm)
Max. Digging Depth11' 3" (3,440 mm)
Max. Digging Height18' 6" (5,660 mm)
Max. Dumping Clearance13' 4" (4,080 mm)
Max. Vertical Wall Digging Depth9' 3" (2,820 mm)
Min. Swing Radius7' 4" (2,250 mm)
Digging Depth For 8 Feet Flat Bottom9' 10" (3,020 mm)
Bucket Digging Force6,991 lbf (31.1 kN)
Arm Crowding Force4,473 lbf (19.9 kN)