Used KOBELCO SK55 Excavator 5.5ton for sale Superior Hydraulic Handling

1. Core Power & Powertrain (Engine)

The SK55 is equipped with a high-torque, industrial-grade diesel engine designed for fuel efficiency and sustained power in compact footprints.

Parameter	Metric System	Imperial System	Technical Remarks
Engine Model	Yanmar 4TNV88	Yanmar 4TNV88	4-cylinder, Liquid-cooled
Net Flywheel Power	28.3 kW	38.0 hp	Rated @ 2,400 rpm
Displacement	2.19 L	134 cu in	Optimized for mid-size torque
Emissions Level	Tier 4 Final/Stage V	Tier 4 Final/Stage V	Compliant with global export regs

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2. Weight, Capacities & Logistics Dimensions

These metrics are essential for logistics and site mobilization. The SK55’s compact size allows it to be transported on standard light-duty flatbed trailers without special permits.

Parameter	Metric System	Imperial System	Shipping & Logistics Relevance
Operating Weight	5,320 kg	11,730 lbs	Standard configuration with canopy/cab
Transport Length	5,340 mm	17.52 ft	Compact for tight transport footprints
Transport Width	1,960 mm	6.43 ft	Standard road transport compliant
Transport Height	2,550 mm	8.37 ft	Optimized for standard trailer clearance
Fuel Tank Capacity	75 L	19.8 gal	Extended run-time for small-site work

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3. Hydraulic & Digging Performance

Featuring Kobelco’s advanced hydraulic system, the SK55 delivers rapid cycle times and precise control, allowing for delicate finish grading alongside heavy-duty trenching.

Parameter	Metric System	Imperial System	Field Performance Indicator
Max System Flow	129 L/min	34.1 gal/min	Dual variable displacement pumps
Operating Pressure	23,000 kPa	3,336 psi	High relief for responsive digging
Swing Speed	9.0 rpm	9.0 rpm	Fast cycle times for loading trucks
Bucket Breakout Force	35.2 kN	7,910 lbf	Powerful for 5-ton class digging
Stick Digging Force	24.3 kN	5,460 lbf	High force for deep trenching

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4. Undercarriage & Mobility

The reinforced undercarriage ensures the machine remains stable on uneven ground. Its high traction force allows for effective maneuverability in mud, gravel, and incline conditions.

Parameter	Metric System	Imperial System	Underfoot Mobility
Standard Shoe Width	400 mm	16 in	Triple grouser rubber/steel options
Max Travel Speed	4.6 km/h	2.9 mph	Dual-speed auto-shift capability
Max Traction Force	65.0 kN	14,610 lbf	Excellent grade-climbing capacity
Ground Pressure	33.0 kPa	4.79 psi	Stable footing in soft terrain

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5. Working Ranges

Defining the essential operational envelope for foundation work, utility installation, and landscape architecture.

Parameter	Metric System	Imperial System
Max Digging Depth	3,900 mm	12.80 ft
Max Reach (Ground)	6,100 mm	20.01 ft
Max Cutting Height	5,900 mm	19.36 ft
Max Loading Height	4,200 mm	13.78 ft