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SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7
SK39SR-7

SK39SR-7

Mini Excavators

The KOBELCO SK39SR-7 Mini Excavator delivers big performance in a compact size. Built for power, precision, and comfort, it’s designed to handle tough jobs in tight spaces. With advanced hydraulics, excellent stability, and operator-friendly features, the SK39SR-7 is the perfect balance of productivity and efficiency on any worksite.

Industry Construction Landscaping
Operating weight 0 - 6 t
Power 18.9 kW / 2,400 min-1
SPECIFICATIONS

Key specifications for SK39SR-7

Description
Number Of Boom Options 1
Number Of Mono Booms 1
Boom Size 2.47 m
Number Of Dipper Options 2
Min Dipper Length 1370 mm
Max Dipper Length 1670 mm
Dipper Length 1370 mm
Operating Weight 3780 - 3940 kg
Telematics
Available Yes
Driveline
Manufacturer Yanmar
Model 3TNV88
Cooling Water
Cylinders 3
Displacement 1.642 L
Rated Speed 2400 rpm
Net Rating Standard ISO 9249
Net Output 17.9 kW
Gross Rating Standard ISO 14396
Gross Output 18.9 kW
Torque 88 Nm
Torque Rated Speed 1440 rpm
Carrier Rollers Per Side 1
Track Rollers Per Side 4
Shoe Width 300 mm
Shoe Type Rubber
Dimensions
Mono Boom 4820 mm
Without Boom 2510 - 2550 mm
Max Height 2510 - 2550 mm
Superstructure 1530 mm
Undercarriage 1700 mm
Overall Width 1700 mm
Track Length On Ground 1700 mm
Undercarriage Length 2160 mm
Tailswing Radius 850 mm
Tail Length 850 mm
Zero Tailswing Yes
Cab 2550 mm
Canopy 2510 mm
Counterweight Clearance 570 mm
Capacity Rating Standard ISO 7451
Reference Capacity 0.09
Reference Weight 80 kg
Available Yes
Type Straight
Height 345 mm
Width 1700 mm
Raised Height 470 mm
Dig Depth 390 mm
Width Over Tracks 1700 mm
Track Gauge 1400 mm
Variable Undercarriage Available No
Digging Reach 5350 mm
Ground Level Reach 5200 mm
Dig Height 4870 - 5040 mm
Dump Height 3490 - 3650 mm
Vertical Wall 2470 mm
Dig Depth - 2.44m (8ft) Flat Bottom 2510 - 2580 mm
Dig Depth 2970 - 3050 mm
Front Slew Radius 2180 - 2320 mm
Front Slew Radius - Swing Boom 1810 - 1930 mm
Boom Swing - Left 70 °
Boom Swing - Right 60 °
Left Digging Offset 720 mm
Right Digging Offset 725 mm
Rating Standard ISO 10567
Reach At Ground Level 4.46 m
Capacities
Fuel Tank 42 L
Engine Oil 6.7 L
Cooling System 3.8 L
Hydraulic Tank 20.4 L
Hydraulic System 44.8 L
Performance
Ground Bearing Pressure 33.2 - 34.6 kPa
Slew Speed 8.2 rpm
Slew Torque 7 kNm
Travel Speed - Low 2.5 kph
Travel Speed - High 4.4 kph
Tractive Force 38 - 38.1 kN
Boost Pressure Used For Breakout Unlisted
Dipper Tearout 22.4 kN
Bucket Breakout 32.2 kN
Gradeability 30 °
Gradeability 58 %
Internal Noise - LpA 81 dB(A)
External Noise - LwA 93 dB(A)
Lift Quoted With Bucket No
Lift Quoted With Dozer-Up/Down Up
End Lift - 2.0m 1520 - 1600 kg
Side Lift - 2.0m 1360 - 1430 kg
End Lift - 3.0m 790 - 830 kg
Side Lift - 3.0m 730 - 770 kg
End Lift - 4.0m 520 - 550 kg
Side Lift - 4.0m 490 - 510 kg
End Lift - Max 450 - 480 kg
Side Lift - Max 420 - 450 kg
Main Pumps 2
Main Pump - Total 76.8 L/min
Boom 230 bar
Dipper 230 bar
Attachment 230 bar
Weights
Mono Boom 3780 - 3940 kg
For more detailed specifications and lifting capacities, please download the brochure
Download brochure
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