Detailed instructions for use are in the User's Guide.
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MINI WHEELED EXCAVATOR Applied Tier 3 Engine
55W-7A
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Robex 55W-7A
Hyundai Robex 55W-7A
Maximum Workability Comfortable Operating Environment Advanced Hydraulic System Enhanced Durability & Reliability Improved Fuel Efficiency
Highest Engine Power in its Class
YANMAR 4TNV98-EPHYB
42. 5 kW (57 HP) / 2, 400 rpm
With a rated power of 57 HP at 2, 400rpm the Yanmar 4TNV98-EPHYB engine provides 205 Nm (148 lbf. ft) of maximum torque. The R55W-7A, with the highest power in its class, gives you more power to get the job done.
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HYUNDAI CONSTRUCTION EQUIPMENT 02 /
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Robex 55W-7A
Technology in Cab Design
Wide Comfortable Operating Space
All the controls are designed and positioned according to the latest ergonomic research. [. . . ] The bucket is reinforced with thicker steel and additional lateral plate.
Reinforced Arm
To protect the arm from impacts and wear, reinforcements are welded at the inner side of the arm.
Grade-ability
Grade-ability of 35 degrees (70%) and long tumbler distance make it easier to work on a slope.
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Powerful and Dynamic
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Anti-Restart System
During operation the anti-restart system prevents activation of the starter.
Easy-to-Reach Control Levers
Switches and other controls are located near the operator. This reduces operator movements and enhances control with less operator fatigue.
Installation for Breaker Operation
Overload relief value and pipes are installed standard for customer's convenience.
Offset Boom Swing
The R55W-7A is designed for efficient work in congested residential and urban areas. The boom can be offset within a range of 130 degrees.
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Robex 55W-7A
Performance and Durability
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Assembly of Bucket and Dozer Blade Powerful Dozer Blade
Boom-arm-bucket kinematics is designed to minimize dead space between bucket and blade during efficient grading work. Large size dozer blade improves work efficiency, equipment durability and stability.
FEM (Finite Element Method)
Durability of structure is proven through FEM (Finite Element Method) analysis and long term durability test.
Better Ground Clearance
Better ground clearance increases safety on rough ground.
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Rectangular Tube Cabin
Certified cabin for ROPS, FOPS and TOPS increases safety of operator in case external force is exerted on cabin.
Boom Cylinder Cover
Boom cylinder cover is installed standard to prevent cylinder damage.
Applied Side Protector
In case of close turning, the side protector prevents any damage to engine hood.
Large Capacity Radiator
To improve performances for a heavy duty job, a large capacity radiator is installed.
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Robex 55W-7A
Easy Change of Air Cleaner
Fuel Filler Pump (Option)
The R55W-7A is fitted with durable plastic Electric fuel filler pump to facilitate fuel filling of the machine. air cleaner for easy maintenance and quick service.
High Capacity Water Separator & Fuel Filter
To protect the injection system and minimize the risk of fuel breakdown, high capacity fuel filter and transparent water separator are applied for durability.
Centralized Grease Fittings
Grease fittings are centralized for easy access during service checks, saving time and money.
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Reliability and Serviceability
Full open doors and master key system give easy access for maintenance.
Easy to Maintain Engine Components
The R55W-7A is designed with accessibility in mind. You'll find that the R55W-7A offers plenty of space to complete your regular maintenance and service hassle-free.
Long Life Hydraulic Filter
High-performance filtering materials are applied for longer filter replacement intervals.
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Centralized Fuse Box
Fuse box is arranged on the rear of seat for easy service.
Large Capacity Fuel Tank
The large capacity fuel tank provides longer working time.
Battery Master Switch
The battery master switch enables checking and maintaining the battery while minimizing the discharge of battery.
Smooth and precise swing control
Shock absorbing design is improved to stop and start swing precisely and smoothly.
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Specifications
Engine
Model Type Rated flywheel horse power SAE DIN Max. torque Bore x stroke Displacement Battery Starter motor Alternator J1995 (gross) J1349 (net) 6271/1 (gross) 6271/1 (net) 42. 5 kW (57 HP) at 2, 400 rpm 41. 2 kW (55. 2 HP) at 2, 400 rpm 42. 5 kW (57. 8 PS) at 2, 400 rpm 41. 2 kW (56 PS) at 2, 400 rpm 205 Nm (148 lbf. ft) at 1, 550 rpm 98 mm (3. 86") x 110 mm (4. 33") 3, 319 cc (203 cu in) 1 x 12 V x 100 AH 12 V - 3. 0 kW 12 V - 80 Amp (Refilling) Fuel tank Engine coolant Engine oil Swing device-gear oil liter 120. 0 10. 0 11. 6 1. 5 70. 0 5. 3 / 5. 3 US gal 31. 7 2. 6 3. 1 0. 4 18. 5 1. 4 / 1. 4 UK gal 26. 4 2. 2 2. 6 0. 3 15. 4 1. 2 / 1. 2 Traveling and steering Engine throttle External Lights YANMAR 4TNV98-EPHYB Water cooled, 4 cycle diesel 4 cylinders in line, direct injection, low emission Pilot control
Controls
Pilot pressure-operated joysticks and pedals provide almost effortless operation.
Two joysticks with one safety lever (LH): Boom Swing and arm, (RH): Boom and bucket (ISO) Pedal and steering wheelbucket (ISO) Mechanical, cable type Two lights mounted on the boom, one below the cab
Coolant & Lubricant Capacity
Hydraulic System
Main pump Type Rated flow Sub-pump for pilot circuit Hydraulic motors Travel Swing Relief valve setting Implement circuits Travel circuit Swing circuit Pilot circuit Service valve Hydraulic cylinders Boom : Arm : No. of cylinder-bore x rod x stroke Bucket : Boom swing : Dozer blade : 1 - 110 x 65 x 715 mm (4. 3" x 2. 6" x 28. 1") 1 - 90 x 55 x 850 mm (3. 5" x 2. 2" x 33. 5") 1 - 80 x 50 x 660 mm (3. 1" x 2. 0" x 26. 0") 1 - 95 x 50 x 527 mm (3. 7" x 2. 0" x 20. 7") 1 - 100 x 50 x 159 mm (4. 3" x 2. 0" x 7. 5") 21. 58 MPa (3, 130 psi) 21. 58 MPa (3, 130 psi) 19. 58 MPa (2, 840 psi) 2. 96 MPa (430 psi) Installed Two speed axial piston motor with counter balance valve and parking brake Axial piston motor with automatic brake Two variable displacement piston pumps 2 x 55 /min (12. 1 gpm) pumps Gear pump
Hydraulic tank Axle (Front / Rear)
Axles & Wheels
Full floating front axle is supported by center pin for oscillation. Tires 12. 0 x 16. 5-12PR, single
Dozer Blade
Pin-on type dozer blade is standard. Dozer blade is a very useful addition for leveling, back filling or clean-up work. [. . . ] Tail swing radius
3, 000 mm (9' 10") 1, 600 mm (5' 3") 1, 900 mm (6' 3") 6, 150 mm (20' 2") 6, 430 mm (21' 1") 3, 500 mm (11' 6") 3, 800 mm (12' 6") 6, 070 mm (19' 11") 6, 260 mm (20' 6") 4, 340 mm (14' 3") 4, 530 mm (14'10") 2, 350 mm ( 7' 9") 2, 350 mm ( 7' 9") 1, 650 mm ( 5' 5") 1, 650 mm ( 5' 5")
Optional Equipment
Fuel filler pump (35 /min, 7. 7 gpm) Beacon lamp Single acting piping kit (breaker, etc) Double acting piping kit (clamshell, etc) Accumulator, work equipment lowering 12volt power supply (DC-DC converter) Quick coupler Long arm (1. 9 m, 6' 3") Narrow bucket (0. 07 m3, 0. 09 yd3) Mechanical suspension with heater
Standard and optional equipment may vary. Materials and specifications are subject to change without notice.
PLEASE CONTACT
www. hyundai. eu
EN - 2008. [. . . ]