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SK45SRX-6

SK45SRX-6

Mini Excavators

The KOBELCO SK45SRX 6 is a compact mini excavator built for powerful performance in tight spaces. Featuring a short radius design, smooth hydraulics and excellent stability, it offers precise control and high efficiency—making it ideal for utilities, landscaping and small construction projects.

Industry Construction Landscaping
Operating weight 0 - 6 t
Power 29.1 kW / 2,400 min-1
SPECIFICATIONS

Key specifications for SK45SRX-6

Description
Number Of Boom Options 1
Air Conditioning Optional
Number Of Mono Booms 1
Number Of Dipper Options 2
Min Dipper Length 1550 mm
Max Dipper Length 1690 mm
Dipper Length 1550 mm
Operating Weight 4540 kg
Driveline
Emission Rating Interim Tier 4
Manufacturer Yanmar
Model 4 TNV 88
Aspiration Naturally Aspirated
Cooling Water
Cylinders 4
Cylinder Arrangement 4 Inline
Displacement 2.189 L
Rated Speed 2400 rpm
Net Rating Standard ISO 9249
Net Output 28.3 kW
Gross Rating Standard ISO 14396
Gross Output 29.5 kW
Torque 131.1 Nm
Torque Rated Speed 1440 rpm
Number Of Engines 1
Track Drive Type 2 Speed Hydrostatic
Final Drive Planetary reduction
Track Tensioning Grease
Carrier Rollers Per Side 1
Track Rollers Per Side 5
Shoe Width 400 mm
Shoe Type Rubber
Optional Shoe Width - 1 400 mm
Optional Shoe Type - 1 Triple grouser
Dynamic Slew Brake Yes
Slew Brake Type Wet multi disc
Slew Brake Actuation Spring applied hydraulic release
Parking Brake Type Wet multi disc
Parking Brake Actuation Spring apply hydraulic release
Dimensions
Mono Boom 5280 mm
Max Length 5280 mm
Without Boom 2530 mm
Max Height 2530 mm
Superstructure 1940 mm
Undercarriage 1960 mm
Overall Width 1960 mm
Track Length On Ground 2000 mm
Undercarriage Length 2500 mm
Tailswing Radius 1170 mm
Tail Length 1170 mm
Tail Swing Overhang (Rear) 80 mm
Zero Tailswing No
Cab 2530 mm
Counterweight Clearance 605 mm
Reference Capacity 0.14
Standard Width 600 mm
Available Standard
Type Straight
Height 345 mm
Width 1960 mm
Raised Height 375 mm
Dig Depth 385 mm
Width Over Tracks 1960 mm
Track Gauge 1560 mm
Track Gauge - Standard 1560 mm
Variable Undercarriage Available No
Tailswing Within Track Width Short
Tail Swing Overhang (Side) 190 mm
Digging Reach 5850 mm
Ground Level Reach 5700 mm
Dig Height 5660 mm
Dump Height 4080 mm
Vertical Wall 2820 mm
Dig Depth - 2.44m (8ft) Flat Bottom 3020 mm
Dig Depth 3440 mm
Front Slew Radius 2250 mm
Boom Swing - Left 59 °
Boom Swing - Right 70 °
Left Digging Offset 745 mm
Right Digging Offset 735 mm
Rating Standard ISO 10567
Standard Dipper 1550 mm
Longest Dipper 1690 mm
Track Shoe Width 400 mm
Reach At Ground Level 4.86 m
Reach At Ground Level - Longest Dipper 4.99 m
Capacities
Fuel Tank 75 L
Hydraulic Tank 27.9 L
Hydraulic System 57.7 L
Number Of Batteries 1
Voltage 12 V
Performance
Ground Bearing Pressure 26.1 kPa
Standard Shoe Width 400 mm
Ground Bearing Pressure - With Cab 26.1 kPa
Ground Bearing Pressure - No Cab 25.4 kPa
Slew Speed 8.8 rpm
Travel Alarm Optional
Travel Speed - Low 2.3 kph
Travel Speed - High 4 kph
Tractive Force 55.2 kN
Dipper Tearout 20.9 kN
Bucket Breakout 35.2 kN
Gradeability 30 °
Gradeability 58 %
External Noise - LwA 93 dB(A)
Lift Quoted With Bucket No
Lift Quoted With Dozer-Up/Down Up
End Lift - 2.0m 1390 kg
Side Lift - 2.0m 1390 kg
End Lift - 3.0m 1380 kg
Side Lift - 3.0m 1110 kg
End Lift - 4.0m 900 kg
Side Lift - 4.0m 740 kg
End Lift - Max 680 kg
Side Lift - Max 570 kg
End Lift - Longest Dipper Max 650 kg
Side Lift - Longest Dipper Max 540 kg
Type Variable axial piston
Main Pumps 2
Auxiliary Pump Gear
Per Pump 49.9 L/min
Main Pump - Total 99.8 L/min
Auxiliary 33.8 L/min
Boom 230 bar
Dipper 230 bar
Attachment 230 bar
Travel 230 bar
Auxiliary 230 bar
Track 2 Speed Axial Piston Auto Shift
Per Side 1
Slew Fixed axial piston
Slew Motors 1
Weights
Max Weight 4680 kg
Mono Boom 4540 kg
Canopy 4430 kg
For more detailed specifications and lifting capacities, please download the brochure
Download brochure
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