Used Kobelco SK75Excavator

Reading: 16

📌 1. GENERAL OVERVIEW

Item	Details
Manufacturer	Kobelco Construction Machinery Co., Ltd. (Subsidiary of Kobe Steel, Japan)
Model	SK75SR / SK75SR-2 / SK75SR-3 (varies by market/year)
Class	Mini / Compact Excavator (7–8 ton class)
Origin	Japan
Primary Use	Urban construction, landscaping, utility work, pipeline, renovation, agriculture

The Kobelco SK75 is one of the most popular compact excavators in the 7.5-tonne class, known for its reliability, fuel efficiency, compact size, and excellent build quality — hallmarks of Japanese engineering.

📌 2. ENGINE SPECIFICATIONS

Parameter	Details
Engine Model	Yanmar 4TNV98-ZPLYS (or Isuzu in some markets)
Type	4-cylinder, turbocharged, intercooled diesel
Displacement	3.059 L
Rated Power	52–55 HP (38–40 kW) @ 2,200 rpm
Emissions Standard	Stage V / Tier 4 Final (EU & US compliant)
Fuel Tank Capacity	~130 liters
Fuel Consumption	~8–12 L/hr (varies by workload)

✅ The Yanmar engine is renowned for durability, low noise, and fuel efficiency — a key reason Kobelco pairs it with the SK75.

📌 3. HYDRAULIC SYSTEM

Parameter	Details
Pump Type	Variable displacement axial piston pump (×2)
Main Pump Flow	~2 × 80–100 L/min
System Pressure	~34.3–35 MPa (350 bar)
Swing Motor	Axial piston type
Travel Motors	Axial piston type
Auxiliary Hydraulic Lines	✅ Available (for hammers, augers, grapples)
Quick Coupler Ready	✅ Optional

📌 4. DIMENSIONS & WEIGHT

Parameter	Specification
Operating Weight	~7,350 – 7,500 kg
Overall Length (w/ blade)	~6,250 mm
Overall Width	~2,380 mm (with rubber tracks)
Overall Height (to cab top)	~2,620 mm
Track Width	~1,800 mm (adjustable: 1,300–1,800 mm)
Ground Clearance	~390 mm
Tail Swing Radius	~980 mm (Zero Tail Swing on ZTS models)
Dozer Blade	✅ Standard (width: ~2,380 mm)

🔑 Zero Tail Swing (ZTS) variant available — the upper structure does NOT swing beyond the track width, making it ideal for tight urban spaces near walls, fences, and buildings.

📌 5. DIGGING PERFORMANCE 🕳️

Parameter	Specification
Max Digging Depth	~4,100 – 4,200 mm
Max Digging Reach	~6,800 – 7,000 mm
Max Digging Height	~6,700 – 6,900 mm
Max Dumping Height	~4,800 mm
Max Vertical Wall Digging	~3,400 mm
Bucket Capacity (Standard)	0.16 – 0.28 m³ (varies by bucket)
Breakout Force (Bucket)	~38–42 kN
Breakout Force (Arm)	~28–32 kN

📌 6. TRAVEL & SWING

Parameter	Specification
Max Travel Speed	~4.8 km/h
Gradeability	~70% (35°)
Swing Speed	~9 rpm
Swing Angle	360° continuous rotation
Undercarriage Options	Steel tracks (standard) / Rubber tracks (optional)

📌 7. CAB & OPERATOR COMFORT 💺

Feature	Status
Enclosed Cab	✅ Full ROPS/FOPS certified
Air Conditioning	✅ Standard
Heater	✅ Standard
Seat	✅ Suspension seat with armrest
Joystick Controls	✅ Ergonomic lever-type
LCD Monitor	✅ Multi-function display (engine info, diagnostics, camera)
Rearview Camera	✅ Standard
LED Work Lights	✅ Front & rear
Sound Level (inside cab)	~70 dB(A) — very quiet for its class
USB Charging Port	✅ Available

📌 8. KEY FEATURES & ADVANTAGES ⭐

Advantage	Description
🏙️ Compact Size	Fits through standard gates, narrow alleys, and indoor spaces
🔄 Zero Tail Swing (ZTS)	Works flush against walls — no overhang
🛢️ Fuel Efficient	Yanmar engine + load-sensing hydraulics = low fuel burn
🔧 Low Maintenance	Easy access to filters, grease points; long service intervals
🏗️ Versatile	Quick coupler + aux lines = hammer, auger, grapple, thumb ready
🛡️ Reliable	Kobelco's legendary Japanese build quality; high resale value
🌱 Eco-Friendly	Stage V / Tier 4 Final emissions compliant
💰 Strong Resale Value	Kobelco machines hold value better than most competitors

📌 9. COMMON ATTACHMENTS 🔩

Attachment	Use Case
Standard Bucket	General digging
Narrow Bucket (300–600mm)	Trench work, utility
Grading Bucket	Leveling, grading
Thumb	Grab & carry (logs, pipes, debris)
Hydraulic Breaker (Hammer)	Concrete, rock breaking
Auger	Post holes, piling
Hydraulic Grapple	Demolition, sorting, scrap
Ripper	Hard ground breaking
Pallet Forks	Material handling

📌 10. COMPETITORS 🆚

Competitor	Model	Weight Class
CAT	307.5 / 308	7.5–8 ton
Komatsu	PC78US-11	7.8 ton
Hitachi	ZX75US-6	7.5 ton
Doosan (Daewoo)	DX75R-5	7.5 ton
Volvo	ECR75	7.5 ton
JCB	8065	6.5 ton
Kubota	KX080-4	8 ton

🏆 The SK75 is often considered one of the top 3 choices in this class, competing closely with the Komatsu PC78US and Doosan DX75R.

📌 11. PRICING (Approximate — varies by region)

Region	Estimated Price (New)
🇺🇸 USA	$65,000 – $85,000 USD
🇪🇺 Europe	€60,000 – €80,000 EUR
🇦🇺 Australia	AUD $110,000 – $130,000
🇯🇵 Japan	¥8,000,000 – ¥10,000,000 JPY
🇨🇳 China	¥450,000 – ¥550,000 RMB
🌐 Used (5–8 yrs)	$35,000 – $55,000 USD

📌 12. SUMMARY

Category	Rating
🔧 Build Quality	⭐⭐⭐⭐⭐
🛢️ Fuel Efficiency	⭐⭐⭐⭐⭐
🏙️ Maneuverability	⭐⭐⭐⭐⭐
💪 Digging Power	⭐⭐⭐⭐
💺 Operator Comfort	⭐⭐⭐⭐⭐
💰 Value for Money	⭐⭐⭐⭐
🔄 Resale Value	⭐⭐⭐⭐⭐

🎯 FINAL VERDICT

The Kobelco SK75 is a workhorse mini excavator that excels in urban construction, landscaping, utility work, and rental fleets. With its Yanmar engine, compact footprint, zero tail swing option, and Japanese reliability, it's one of the smartest investments in the 7–8 ton class. If you need a machine that's fuel-efficient, reliable, easy to maintain, and holds its value — the SK75 is an excellent choice. ✅

Would you like me to compare it with a specific competitor, or go deeper into any specific aspect (e.g., maintenance schedule, common problems, rental rates)? 🚜