Used Hyundai 305-9 Excavator

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📌 Overview

The Hyundai R305-9 (also marketed as HW305) is a 30-ton class wheel excavator belonging to Hyundai's 9-Series (Gen-9) lineup. It is designed for high-speed mobility, fuel efficiency, and versatility in urban construction, road work, utility projects, and material handling. Being a wheel-type excavator, it offers road-legal travel speeds (up to ~35 km/h) without needing a trailer — a major advantage over crawler excavators.

🔧 Engine Specifications

Parameter	Details
Engine Model	Doosan DV11TI (Turbo Intercooled)
Type	6-cylinder, inline, diesel
Displacement	11.152 L
Rated Power	260 HP (194 kW) @ 1,900 rpm
Max Torque	~1,050 Nm @ 1,200 rpm
Emission Standard	Stage V / Tier 4 Final (with DPF + SCR)
Fuel Tank Capacity	~400 L

The DV11TI is a proven, reliable engine known for its high torque at low RPM, ideal for heavy digging operations.

& Hydraulic System

Parameter	Details
Main Pump Type	Variable displacement axial piston pump
Total Flow Rate	~2 × 250 L/min (500 L/min total)
System Pressure	350 bar (5,076 psi)
Auxiliary Flow	Available for attachments (hammers, grapples, etc.)

The load-sensing hydraulic system automatically adjusts flow and pressure to match the workload, improving fuel efficiency by up to 10–15% compared to older models.

📐 Dimensions & Weights

Parameter	Specification
Operating Weight	~30,500 kg (30.5 tons)
Overall Length	~9,830 mm
Overall Width	~2,990 mm
Overall Height	~3,360 mm
Wheelbase	~4,200 mm
Ground Clearance	~450 mm
Tire Size	12.00R24 (radial)

💪 Performance (Digging & Reach)

Parameter	Specification
Max Digging Depth	~6,730 mm (6.7 m)
Max Reach (Ground Level)	~9,650 mm (9.65 m)
Max Dumping Height	~7,250 mm
Max Digging Radius	~10,280 mm
Max Vertical Wall Digging	~6,130 mm
Bucket Capacity (Standard)	0.45 – 1.4 m³ (0.6 – 1.8 yd³)
Arm Force	~160 kN
Bucket Breakout Force	~110 kN

🚀 Travel & Mobility

Parameter	Specification
Max Travel Speed	~35 km/h (22 mph)
Gradeability	~60% (31°)
Turning Radius (Outside)	~7,500 mm
Mobility Advantage	No trailer needed; road-legal; fast repositioning between job sites

This is one of the biggest selling points — the R305-9 can drive itself to the next jobsite, saving time and transport costs.

🖥️ Cab & Operator Comfort

Feature	Details
Cab Type	Spacious, ROPS/FOPS certified
Seat	Air-suspension seat with heating & ventilation
Climate Control	Full automatic A/C + heating
Display	7-inch (or 8-inch) LCD touchscreen monitor
Controls	Joystick + pedal with ECO mode toggle
Visibility	Large glass area, rear-view camera, work lights (LED)
Noise Level	~72 dB(A) — relatively quiet for its class
Safety	Seatbelt, backup alarm, auto-idle shutdown

🧠 Smart Technology & Features

Technology	Description
ECO Mode	Reduces engine RPM & pump flow during light work — saves 10–15% fuel
Hyundai Smart Care	Remote monitoring system via telematics (real-time location, machine health, fuel usage)
Auto Idle Stop	Engine automatically shuts off after 5 min of inactivity
Weight Management System	Monitors bucket load to prevent overloading
Attachment Auto-Recognition	Automatically adjusts hydraulic settings when switching attachments
Bluetooth / USB	Connectivity for operators

🔧 Attachment Versatility

The R305-9 is highly versatile and can be equipped with:

Attachment	Application
🪣 Standard Bucket	General excavation
🔨 Hydraulic Breaker (Hammer)	Rock breaking, demolition
🪓 Hydraulic Grapple	Material handling, sorting
🔧 Thumb	Pipe handling, precise gripping
🔄 Quick Coupler	Fast attachment switching
🧹 Sweeper	Road cleaning
🔩 Auger / Drill	Foundation work

📊 Comparison with Competitors

Feature	Hyundai R305-9	Volvo EW300E	Doosan DX300W	CAT M315
Power	260 HP	236 HP	258 HP	234 HP
Weight	30.5 t	30.1 t	30.3 t	30.6 t
Max Dig Depth	6.73 m	6.5 m	6.6 m	6.4 m
Travel Speed	35 km/h	30 km/h	35 km/h	30 km/h
Fuel Efficiency	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Smart Tech	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐

✅ Key Advantages

✅ Advantage	Explanation
🏆 Fuel Efficiency	ECO mode + load-sensing hydraulics = lower operating cost
🚗 Road-Legal Mobility	Up to 35 km/h — no lowboy trailer needed
🧠 Smart Technology	Telematics, auto-idle, weight management
💺 Operator Comfort	Best-in-class cab with air seat & climate control
🔧 Versatility	Quick coupler + wide attachment range
💰 Low Maintenance	Long service intervals, easy access to service points
🛡️ Reliability	Doosan DV11TI engine — proven in millions of hours

📋 Summary

Category	Rating
Power	⭐⭐⭐⭐⭐
Mobility	⭐⭐⭐⭐⭐
Fuel Efficiency	⭐⭐⭐⭐⭐
Comfort	⭐⭐⭐⭐⭐
Technology	⭐⭐⭐⭐⭐
Value for Money	⭐⭐⭐⭐⭐

🎯 Bottom Line:
The Hyundai R305-9 is one of the best 30-ton wheel excavators on the market, combining high power, excellent fuel economy, smart technology, and unmatched road mobility. It's ideal for contractors who need to move frequently between job sites while maintaining high productivity and low operating costs.

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