Used Hyundai 550VS Excavator

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Detailed Introduction to HYUNDAI 550VS Crawler Excavator

The Hyundai 550VS is a 55-ton class heavy-duty crawler excavator developed and produced by Hyundai Construction Equipment (HCE), a core subsidiary of Hyundai Motor Group. As a flagship model in Hyundai’s VS series of construction machinery, it is tailored for continuous high-load operation scenarios, balancing high operation efficiency, extreme durability, fuel economy and operation comfort, and is widely recognized in mining, large-scale infrastructure and heavy earthmoving fields.

1. Core Power System

The 550VS is equipped with a Cummins QSM11-C electronically controlled high-torque diesel engine, which meets EU Stage V / U.S. Tier 4 Final / China National IV emission standards:

Rated power: 263 kW (353 hp) @ 1900 rpm, maximum torque up to 1695 N·m @ 1400 rpm, with strong low-speed torque output to adapt to heavy load operations such as rock excavation and heavy lifting.
Equipped with optimized common rail fuel injection system and modular aftertreatment device, no frequent active regeneration is required, and the fuel consumption is 8~10% lower than the previous generation of 50-ton class excavators under the same working conditions.
Four optional operation modes: Power (P) mode for extreme heavy load, Standard (S) mode for daily operation, Economy (E) mode for light load to reduce fuel consumption, and Lifting (L) mode for heavy hoisting operations.

2. Advanced Hydraulic System

The model adopts Hyundai’s self-developed Advanced Hydraulic Control System (AHCS) to achieve precise and smooth compound action control:

Dual main pump configuration with total flow of 2×360 L/min, rated hydraulic pressure of 34.3 MPa, sufficient power reserve for heavy load operations.
Electro-hydraulic proportional control technology eliminates operation lag when boom, arm, swing and travel actions are carried out at the same time, and the operation accuracy is improved by 15% compared with traditional hydraulic systems.
Standard with boom floating function, fine swing control and overload protection system, which can effectively reduce hydraulic loss and extend component life when leveling ground, handling fragile materials and hoisting heavy objects.

3. Structural Durability

Designed for harsh working conditions such as mines and quarries, all key structural parts have passed 10,000 hours of extreme working condition fatigue tests:

Lower frame: X-type integrated welded frame made of high-tensile steel, equipped with heavy-duty sealed track chain, optional rock-type track shoes, reinforced carrier rollers and idlers, which can adapt to rugged rocky roads and reduce wear.
Working device: Boom and arm are made of 80mm thick high-strength wear-resistant steel plate, all welded parts are inspected by ultrasonic flaw detection; standard bucket capacity ranges from 2.8 m³ to 3.5 m³, optional reinforced rock bucket, quick coupler and breaker pipeline.
Upper body: Standard ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certified cab, which can resist the impact of falling gravel and rollover accidents to the greatest extent.

4. Operator Comfort & Safety

The sealed and pressurized cab has a built-in sound insulation layer, and the internal operating noise is only 72 dBA, which is far lower than the industry average for heavy excavators.
Equipped with 8-way adjustable air suspension heated seat, automatic constant temperature air conditioning, multi-function storage space and 24V USB charging interface to meet the needs of long-term operation.
8-inch high-definition touch control display, which can display all operating parameters, fault codes and maintenance reminders in real time; standard rear-view camera, optional 360° panoramic imaging system and blind spot warning function.
The ergonomic electro-hydraulic control joystick has low operating force, and is equipped with a hydraulic safety lock to avoid misoperation.

5. Maintenance & Operating Cost Optimization

All daily maintenance points (oil drain port, filter element replacement port, air filter compartment) are designed to be accessible from the ground, no need to climb to the top of the upper car for operation, which reduces maintenance time by 30%.
Extended maintenance cycle: engine oil replacement cycle is 1000 hours, hydraulic oil replacement cycle is 5000 hours, and air filter replacement cycle is 2000 hours under dusty working conditions, which effectively reduces downtime.
Standard with Hyundai’s exclusive Hi-MATE remote management system, which supports real-time monitoring of equipment location, operating hours, fuel consumption and fault codes, and provides early warning of scheduled maintenance, which is convenient for fleet management.
Warranty policy: 1 year/2000 hours for the whole machine, 3 years/5000 hours for core structural parts (boom, arm, lower frame).

6. Key Specifications

Parameter	Index
Operating weight	53800 ~ 55200 kg
Bucket capacity	2.8 ~ 3.5 m³
Maximum digging depth	7820 mm
Maximum digging reach	11840 mm
Maximum dumping height	7340 mm
Swing speed	9.2 rpm
Travel speed	3.0 / 4.8 km/h
Maximum drawbar pull	392 kN

7. Typical Application Scenarios

Open-pit mining, quarry rock excavation and loading
Large-scale infrastructure construction (high-speed railway, highway, water conservancy hub)
Heavy earthmoving and site leveling of large industrial parks
Port bulk cargo handling and heavy material transfer

Non flooded

No accident

Original product

Used Hyundai 550VS Excavator

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