Used Sany 155Excavator

Reading: 22

📋 1. GENERAL OVERVIEW

Item	Details
Manufacturer	SANY Group (Sany Heavy Industry Co., Ltd.)
Model	SY155C / SY155H
Class	Medium Hydraulic Excavator (15-ton class)
Origin	China (Global sales)
Production	Changsha, Hunan, China
Application	Excavation, loading, demolition, landscaping, mining

The SANY SY155 is one of SANY's most popular mid-size excavators, designed for versatile performance in construction, municipal works, and general earthmoving. It competes with machines like the CAT 315, Komatsu PC150, and Doosan DX150.

& 2. ENGINE SPECIFICATIONS

Parameter	Specification
Engine Model	Isuzu AJ-4HK1X (or Cummins B3.9 in some markets)
Type	4-cylinder, turbocharged, intercooled diesel
Displacement	5.193 L
Rated Power	~100–110 HP (74–82 kW) @ 2,000 rpm
Max Torque	~400 N·m @ 1,400 rpm
Emission Standard	China III / Tier 4 Final (selective catalytic reduction - SCR)
Fuel Tank Capacity	~300 L
Cooling System	Water-cooled with radiator + fan

✅ The engine is known for fuel efficiency, reliability, and low maintenance cost.

📐 3. DIMENSIONS & WEIGHT

Parameter	Value
Operating Weight	15,200 – 15,500 kg
Transport Weight	~14,800 kg
Overall Length (w/o bucket)	~7,880 mm
Overall Width	~2,550 mm
Overall Height (to top of cab)	~2,950 mm
Ground Clearance	~430 mm
Track Width	500 mm (triple-grouser shoes)
Track Length on Ground	~3,200 mm

🪣 4. WORKING PERFORMANCE

Parameter	Value
Bucket Capacity (Standard)	0.5 – 0.7 m³
Max Digging Depth	~6,000 – 6,500 mm
Max Digging Reach	~8,500 – 9,000 mm
Max Dumping Height	~6,500 – 7,000 mm
Max Vertical Wall Digging	~4,300 mm
Max Lifting Capacity	~8,000 kg (at 2.5m radius)
Swing Speed	~10 rpm
Travel Speed	~5.5 km/h (high) / ~3.5 km/h (low)
Gradeability	70% (35°)
Climbing Ability	~0.7 m
Ground Pressure	~45 kPa

🔧 5. HYDRAULIC SYSTEM

Parameter	Specification
Main Pump Type	Variable displacement axial piston pump (×2)
System Pressure	~34.3 MPa (350 bar)
Flow Rate	2 × 190 L/min (total ~380 L/min)
Swing Motor	Axial piston motor with brake
Travel Motor	Axial piston motor (×2)
Control System	Electro-hydraulic proportional control

✅ The load-sensing hydraulic system automatically adjusts flow and pressure, improving fuel efficiency by 10–15% compared to conventional systems.

🖥️ 6. CAB & OPERATOR COMFORT

Feature	Details
Cab Type	ROPS/FOPS certified, spacious
Seat	Air-suspension seat with armrests
Air Conditioning	✅ Full AC with heating
Display	7-inch LCD color monitor (engine info, camera, diagnostics)
Camera	Rear-view + side-view cameras (optional)
Noise Level	≤ 72 dB(A) (very quiet for its class)
Controls	Multi-function joystick with pilot control
Work Modes	P (Power) / E (Economic) / B (Breakout) — selectable via switch
Auto Idle	✅ Engine auto-idle when not operating for preset time (saves fuel)
USB/Charging	✅ Available

🛡️ 7. SAFETY & SMART FEATURES

Feature	Description
Anti-Theft System	Engine immobilizer + GPS tracking (optional)
Overload Protection	Automatic system pressure relief
Emergency Stop	Easy-access emergency stop button
Auto-Lubrication	Centralized auto-greasing system
SANY Smart System (optional)	IoT-connected — remote monitoring, fleet management, maintenance alerts via SANY Cloud
Work Light	LED work lights (front + rear)

🔄 8. ATTACHMENT OPTIONS

The SY155 is compatible with a wide range of attachments:

Attachment	Use Case
🪣 Standard Bucket	General excavation
🔨 Hydraulic Breaker (Hammer)	Rock breaking, demolition
' Hydraulic Shear	Metal cutting, demolition
🪵 Grapple	Log handling, waste management
🔄 Thumb	Pipe, log, material handling
🏗️ Quick Coupler	Fast attachment change
🪤 Compactor Plate	Soil compaction
🕳️ Auger Drill	Foundation piling

📊 9. COMPARISON WITH COMPETITORS

Spec	SANY SY155	CAT 315	Komatsu PC150	Doosan DX150
Power	100–110 HP	112 HP	106 HP	110 HP
Weight	15.5T	15.2T	15.0T	14.9T
Bucket	0.5–0.7 m³	0.5–0.8 m³	0.5–0.6 m³	0.5–0.6 m³
Price	💰💰 (Most competitive)	💰💰💰	💰💰💰	💰💰💰
Warranty	2 years / 2,000 hrs	2 years / 2,000 hrs	2 years / 2,000 hrs	2 years / 2,000 hrs

🏆 SANY SY155 is known for offering the BEST price-to-performance ratio in its class.

💰 10. APPROXIMATE PRICING (2024)

Market	Price Range (USD)
China	$55,000 – $70,000
Southeast Asia	$65,000 – $80,000
Middle East / Africa	$70,000 – $85,000
South America	$75,000 – $90,000

(Prices vary by configuration, attachments, and dealer)

✅ 11. KEY ADVANTAGES

✅ Advantage	Details
💰 Affordable	15–25% cheaper than Japanese/European brands
🔧 Easy Maintenance	Wide parts availability, simple design
⛽ Fuel Efficient	Load-sensing hydraulics + auto-idle
🛋️ Comfortable Cab	One of the best in its class
📱 Smart Connected	IoT fleet management available
🔄 Versatile	Works with almost any attachment
🏭 Strong After-Sales	SANY has 200+ service centers globally

⚠️ 12. POTENTIAL CONCERNS

Concern	Explanation
🔋 Resale Value	Lower than CAT/Komatsu in some markets
🏗️ Perception	Some markets still prefer Japanese brands
🔧 Parts Quality	Generally good, but OEM parts can be pricier locally

🎯 13. WHO SHOULD BUY THE SANY SY155?

✅ Ideal For	❌ Not Ideal For
Contractors on a budget	Premium/luxury market buyers
Rental companies (great ROI)	Ultra-heavy mining (need 20T+)
General construction firms	Markets requiring Tier 4 Final (some regions)
Developing countries (Africa, SE Asia, S. America)

📌 SUMMARY

The SANY SY155 is a well-rounded, cost-effective, and technologically advanced 15-ton excavator. It delivers near-Japanese quality at Chinese pricing, making it one of the best value-for-money machines in the global mid-size excavator market. With SANY's rapidly growing global service network and smart technology integration, it's an excellent choice for contractors worldwide. 🏆

Would you like more details on any specific aspect — like maintenance schedule, fuel consumption, or attachment recommendations? 🚜