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Hyundai R55-9A Compact Excavator

Hyundai R55-9A Compact Excavator

Operating a 9A series is unique to every operator. Operators can fully customize their work environment and operating preferences to fit their individual needs. 9A series is designed for maximum performance to keep the operator working productively.

Net Power:65.1 hp
Operating Weight:12,570 lbs.
Max Digging Depth:12' 6"
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Yanmar TIER 4 Final Engine
R55-9A fetures a tier 4 final Yanmar 4TNV98C Water-cooled, 4-cycle, 4 cylinders in line, direct injection, low emission diesel engine with 65.1 HP (48.5 kW) at 2,400 rpm
Boom Swing
The R55-9A's boom swing function is designed for efficient work in congested residential and urban areas. The boom can be offset left or right within an operating range. Plus, increased swing torque provides enhanced operating capability on the slope.
Dozer Blade
All 9A series excavators feature as standard equipment a large dozer blade that provides added versatility, efficiency and stability.
Standard Tail Swing
The R55-9A is equipped with a standard tail swing which provides greater stability and lifting capacity than a traditional zero tail swing excavator. This provides additional versatility on the jobsite, especially when using auxiliary attachments.


The advanced new LCD cluster allows the operator to select his personal machine preferences. Button selections are provided for auto idle mode, max power mode, and travel speed. A security feature is also provided to prevent the machine from starting without a proper password.
Suspension Seat
The R55-9A operator's cab is designed for a comfortable operating experience. An ergonomically designed suspension seat, adjustable arm rests and a spacious environment helps to minimize operator fatigue.
Ergonomic Controls & Switches
The left and right control levers are ergonomically located for convenient access. Pilot operated hand levers are easily accessible for controlling the dozer blade and track extension. Easy-to-access control switches on the left side console improve operating comfort and productivity.
Cab Entry
A tiltable left-side console allows the operator easier access to the cab. A safety lock system is designed to prevent exiting the cab while hydraulic controls are live. When the safety lever and left side console are positioned upright, hydraulic functions are disengaged.


Centralized Lubrication
A centralized lubrication bank is available for faster, easier service and maintenance.
Long-Life Components
9A series excavators were designed with bushings designed for extended lube intervals (250 hrs) & polymer shims (wear resistant, noise reducing), extended-life hydraulic filters (1,000hrs), long-life hydraulic oil (5,000hrs), more efficient cooling systems and integrated preheating systems which extend service intervals, minimize operating costs and reduce machine down time.
Easy Access
The R55-9A was built with accessibility in mind. All covers and hoods were built for complete open access. Regular service and maintenance is easy and convenient with the R55-9A.
Durable Cooler
Radiator and oil cooler with square wave and corrugated wave fin design reduce clogging and improved clean out and durability.


Dual-Lock Coupler
The R55-9A comes equipped with dual locking quick coupler that complies with the latest safety standards and improves the safety when using a coupler with various attachments.
Rearview Camera
Hyundai's R55-9A is standard equipped with a full color, integrated rearview camera, viewable through the monitor. This feature keeps the operator aware of objects and personnel behind the machine and significantly reduces the opportunity for accidents.
Reinforced Operator's Cab
Hyundai's R55-9A is tested in accordance with stringent ISO standards. The cab features a reinforced steel pillar design that complies with TOPS (turn over protection system) and FOG (falling object guard) level 1 ISO standards.
Excellent Visibility
Hyundai engineers updated the cab designs to provide more space, a wider field of vision and more operator comfort.

Engine ModelYanmar 4TNV98C
Net Power65.1 hp at 2,400 rpm
Operating Weight12,570 lbs
Swing Speed9.1 rpm
Travel Speed2.6 mph
Overall Cab Height8' 4"
Overall Width6' 7"
Overall Length18' 4"
Tail Swing Radius5' 5"
Tumbler Distance6' 6"
Track Gauge5' 3"
Track Shoe Width - Steel1' 3"
Track Shoe Width - Rubber1' 4"
Ground Clearance1' 3"
Bucket Breakout Force8,490 lbf
Arm Crowd Force6,390 lbf
Working Range
Boom Length9' 10"
Arm Length5' 3"6' 3"
Max. Digging Reach20' 2"20' 1"
Max. Digging Reach on Ground19' 9"20' 7"
Max. Digging Depth12' 6"13' 4"
Max. Digging Depth @ 8'11' 3"12' 2"
Max. Vertical Wall Digging Depth10' 6"11' 4"
Max. Digging Height18' 1"19' 5"
Max. Dumping Height13' 3"13' 9"
Min. Swing Radius7' 9"7' 9"
Tail Swing Radius5' 5"5' 5"