Used Komatsu 55Excavator

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📋 OVERVIEW

Item	Details
Manufacturer	Komatsu Ltd. (Japan) 🇯🇵
Model Series	PC55MR / PC55UU / PC55MR-2 / PC55MR-3
Class	Mini / Compact Excavator (~5 ton class)
Production Era	1990s – Present (current gen: MR-3 / UU-3)
Primary Use	Urban construction, landscaping, utility work, pipeline, indoor demolition

The PC55 is one of Komatsu's most popular mini excavators, known for reliability, fuel efficiency, and versatility in tight workspaces.

🔧 ENGINE SPECIFICATIONS

Parameter	Specification
Engine Model	Komatsu SAA4D95LE-5
Type	4-cylinder, turbocharged, intercooled diesel
Displacement	2.494 Liters
Rated Power	34.6 kW (46.4 HP) @ 2,200 rpm
Emission Standard	Tier 4 Final / Stage V (varies by region)
Fuel Tank Capacity	~80 Liters (21.1 gal)
Cooling System	Water-cooled with radiator

✅ Excellent fuel efficiency — approx. 4–6 L/hour depending on workload.

& HYDRAULIC SYSTEM

Parameter	Specification
Pump Type	Variable displacement axial piston pump (2 pumps)
Total Flow	~2 × 48.4 L/min (102.8 L/min total)
Max System Pressure	32.3 MPa (4,685 psi)
Control Type	Pilot-operated joystick (smooth & precise)
Auxiliary Flow	Available (for attachments like hammers, augers)

📐 DIMENSIONS & WEIGHT

Parameter	Measurement
Operating Weight	5,300 – 5,550 kg (11,684 – 12,235 lbs)
Length (with bucket)	~5,710 mm (224.8 in)
Width (with blade)	~1,710 mm (67.3 in)
Width (without blade)	~1,430 mm (56.3 in)
Height (to cab top)	~2,560 mm (100.8 in)
Ground Clearance	~310 mm (12.2 in)
Track Width	200 – 300 mm (rubber) / 180 mm (steel)

🪣 DIGGING PERFORMANCE

Performance	Value
Max Digging Depth	3,640 mm (143.3 in)
Max Reach (Ground Level)	5,680 mm (223.6 in)
Max Dumping Height	4,030 mm (158.7 in)
Max Digging Radius	~5,600 mm
Dozer Blade Capacity	Push: ~3,000 kg / Pull: ~2,000 kg
Bucket Capacity	0.10 – 0.20 m³ (standard)
Bucket Digging Force	~29.4 kN (6,610 lbf)
Arm Digging Force	~22.6 kN (5,080 lbf)

🔄 KEY FEATURES

Feature	Description
⭐ Zero Tail Swing (ZTS)	The upper structure does NOT swing beyond the track width — ideal for tight spaces & near walls
🛞 Rubber Track Option (MR)	Reduces ground damage, road-friendly, no track marks
🔩 Steel Track Option (UU)	Better for rocky/rough terrain
🪚 Dozer Blade	Optional — grading & leveling capability
🏗️ Boom Swing Offset	Left-side offset boom for digging next to walls/obstacles
💺 Comfortable Cab	Air-conditioned, heated seat, ROPS/FOPS certified, low noise (~70 dB)
🔌 Quick Coupler Ready	Easy attachment change (hydraulic breaker, auger, grapple, etc.)
📡 Optional GPS/MC Ready	Machine control system compatible

🔁 MODEL VARIATIONS

Model	Tracks	Tail Swing	Notes
PC55MR-2 / MR-3	✅ Rubber	✅ Zero Tail Swing	Most popular — urban work
PC55UU-2 / UU-3	✅ Steel	✅ Zero Tail Swing	Rough terrain
PC55MR-2E0 / MR-3E0	✅ Rubber	✅ Zero Tail Swing	Emission Stage V (Europe)
PC55MRX-3	✅ Rubber	❌ Conventional Swing	Narrower, extra compact

🏆 COMPARISON WITH COMPETITORS

Feature	Komatsu PC55	Cat 305.5 E2	Kubota KX057-4
Power	46.4 HP	49.5 HP	40.4 HP
Weight	~5,400 kg	~5,300 kg	~5,200 kg
Tail Swing	✅ Zero	✅ Zero	✅ Zero
Fuel Efficiency	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐⭐
Durability	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Resale Value	⭐⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐

✅ ADVANTAGES (Why Choose PC55?)

✔️ Advantage	Details
🏆 Legendary Reliability	Komatsu engines run 10,000+ hours with proper maintenance
💰 Low Operating Cost	Best-in-class fuel efficiency
🏙️ Perfect for Urban Work	Zero tail swing + rubber tracks = no damage, fits in alleys
🔧 Easy Maintenance	Ground-level service points, wide-open engine hood
📈 High Resale Value	Komatsu holds value better than most brands
🔌 Versatile Attachments	Hammer, auger, grapple, ripper, bucket — all compatible

⚠️ LIMITATIONS

❌ Limitation	Details
Not for heavy earthmoving	5-ton class — limited bucket size
Rubber tracks wear faster	On abrasive/rocky surfaces vs. steel
Higher purchase price	Compared to Chinese brands (but better long-term value)

💵 APPROXIMATE PRICING (2024)

Region	New Price (USD)	Used Price (USD)
🇺🇸 USA	$55,000 – $75,000	$25,000 – $45,000
🇪🇺 Europe	€50,000 – €70,000	€22,000 – €40,000
🇦🇺 Australia	AUD $80,000 – $110,000	AUD $40,000 – $70,000
🌏 Southeast Asia	$40,000 – $60,000	$18,000 – $35,000

🎯 TYPICAL APPLICATIONS

Application	Suitability
🏗️ Residential excavation	⭐⭐⭐⭐⭐
🌳 Landscaping & gardening	⭐⭐⭐⭐⭐
🔌 Utility / pipeline work	⭐⭐⭐⭐⭐
🏢 Indoor demolition	⭐⭐⭐⭐⭐
🛣️ Road repair (small)	⭐⭐⭐⭐
🪨 Quarry / heavy mining	⭐⭐ (too small)

📌 SUMMARY

The Komatsu PC55 is arguably the best 5-ton mini excavator on the market — combining Japanese engineering reliability, fuel efficiency, zero tail swing versatility, and excellent resale value. It's the go-to machine for contractors working in urban, residential, and utility environments where space is tight and precision matters.

Would you like me to go deeper into any specific aspect — like maintenance schedule, attachment options, or PC55 vs competitor comparison? 🔧