The Hyundai R215 SMART X Plus hydraulic excavator is built for contractors who demand higher productivity, durability, and flexibility in the 20–22 ton class. With a powerful 140 HP Cummins engine, enhanced electro-hydraulic controls, and a wide bucket range, the R215 SMART X Plus is designed to handle quarrying, mining support, infrastructure, and heavy earthmoving with confidence.
If you are searching for a reliable 21-ton excavator with strong digging force, fuel efficiency, and low operating cost, the R215 SMART X Plus stands out as a practical and future-ready investment.
Why the Hyundai R215 SMART X Plus Is a Preferred 21-Ton Excavator
When job sites demand longer working hours and faster cycle times, the R215 SMART X Plus excavator delivers consistent performance. Hyundai has strengthened critical structural components while retaining the proven 140 HP powertrain, ensuring higher uptime and predictable ownership costs.
Key Advantages of R215 SMART X Plus
High operating weight for better stability
Wide GP, HD, and coal bucket compatibility
Advanced electro-hydraulic flow control
Strong boom, arm, and undercarriage design
Optimized fuel efficiency with auto-idle features
This makes the R215 SMART X Plus suitable for contractors upgrading from standard 20-ton excavators and for organizations that require higher output per hour.
Hyundai R215 SMART X Plus Specifications (Detailed Overview)
Engine & Powertrain
The excavator is powered by the Cummins 6BT5.9C diesel engine, known for reliability and torque delivery.
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Gross Power: 140 HP @ 2000 rpm
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Engine Model: Cummins 6BT5.9C
This engine provides strong torque for demanding applications such as stone handling, overburden removal, and quarry operations.
Operating Weight & Stability
Operating Weight: 21,700 kg
The higher operating weight improves machine balance, lifting confidence, and digging stability, especially when working with heavier buckets or attachments.
Bucket Capacity & Attachment Flexibility
One of the strongest advantages of the R215 SMART X Plus is its wide bucket range, allowing operators to tune the machine based on material type.
Bucket Options:
1.0 m³ GP
1.05 m³ GP
0.92 m³ HD
0.95 m³ HD
1.5 m³ Coal
This flexibility makes the excavator ideal for soil excavation, quarry material handling, coal yards, and infrastructure projects.
Hydraulic & Performance Parameters
Swing Speed: 11 rpm
Travel Speed (High / Low): 5.3 / 3.4 km/hr
Max Digging Reach (Ground): 9,311 mm
Max Digging Depth: 6,236 mm
Bucket Digging Force: 16,000 kgf
Arm Crowd Force: 12,600 kgf
These figures translate to faster cycle times, deeper reach, and higher breakout force, which directly improve job site productivity.
Electro-Hydraulic Flow Control – Smoother, Faster, More Precise
The electro-hydraulic flow control system in the R215 SMART X Plus ensures precise oil flow matching the workload.
How It Improves Productivity
Variable displacement axial piston pump adjusts flow as per demand
Open-center main control valve improves joystick response
Smooth synchronization between boom, arm, and bucket movements
This results in faster operations, reduced operator fatigue, and better fuel efficiency, especially during repetitive digging cycles.
Fuel Efficiency Features That Reduce Operating Cost
One-Touch Deceleration & Auto-Idle
Fuel efficiency is critical in long working shifts. Hyundai has integrated intelligent features to reduce unnecessary fuel burn.
One-Touch Deceleration: Lowers engine RPM instantly when selected
Auto Idle: Automatically reduces RPM after 4 seconds of inactivity
These features help lower diesel consumption and overall cost per hour, making the R215 SMART X Plus a cost-effective excavator over its lifecycle.
Heavy-Duty Boom, Arm & Undercarriage – Built for Long Life
Structural Strength Highlights
High tensile strength steel construction
Reinforced boom and arm with internal baffle plates
Steel dimple bushes for improved grease retention
Polymer shims to resist wear and corrosion
The heavy-duty undercarriage and reinforced bucket linkage ensure durability in harsh conditions like quarries, rocky terrain, and continuous heavy digging.
Safety & Machine Protection Features
Automatic Engine Overheat Prevention
The excavator continuously monitors coolant temperature and automatically reduces engine speed if overheating is detected, preventing engine damage and downtime.
Optional Safety Features Include:
Emergency shutdown switch
Swing lock
Added tank cowl for protection
These features make the R215 SMART X Plus suitable for high-risk and high-load applications.
Applications of Hyundai R215 SMART X Plus Excavator
The R215 SMART X Plus is commonly used in:
Quarry operations
Stone and aggregate handling
Coal yards
Infrastructure and road construction
Municipal projects
Earthmoving and bulk excavation
Its balance of power, stability, and attachment flexibility makes it versatile across multiple industries.
FAQs – Hyundai R215 SMART X Plus Excavator
What is the operating weight of Hyundai R215 SMART X Plus?
The operating weight of the R215 SMART X Plus is 21,700 kg, providing excellent stability and lifting confidence.
Which engine is used in R215 SMART X Plus?
It is powered by a Cummins 6BT5.9C diesel engine delivering 140 HP @ 2000 rpm.
What bucket sizes are available for R215 SMART X Plus?
The excavator supports GP, HD, and coal buckets ranging from 0.92 m³ to 1.5 m³, depending on application.
Is R215 SMART X Plus suitable for quarry work?
Yes. With high digging force, reinforced structure, and HD bucket options, it is well-suited for quarry and stone handling operations.
How fuel efficient is the Hyundai R215 SMART X Plus?
The machine features auto-idle and one-touch deceleration, which significantly reduce fuel consumption during idle and light-load conditions.
Final Verdict – Is Hyundai R215 SMART X Plus Worth Buying?
If you are looking for a powerful, durable, and versatile 21-ton excavator, the Hyundai R215 SMART X Plus offers an excellent balance of performance, fuel efficiency, and long-term reliability. Its advanced hydraulics, strong structure, and flexible bucket range make it a smart choice for contractors focused on productivity and profitability.