R 55 W 7 A Hyundai excavator specs & dimensions (2008 - 2010)

Hyundai R 55 W 7 A is a mini excavator manufactured from 2008 to 2010, with a weight of 5.5 tons. It features a track width of 400…

Hyundai R 55 W 7 A is a mini excavator manufactured from 2008 to 2010, with a weight of 5.5 tons. It features a track width of 400 mm, a transport length of 6.1 meters, a transport width of 1.92 meters, and a transport height of 2.55 meters. The bucket width is 0.705 meters, with a bucket capacity ranging from 0.07 m³ to 0.18 m³. This model is equipped with a blade.

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R 55 W 7 A

Years of manufacture: 2008—2010

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Technical specs - R 55 W 7 A Hyundai

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight: 5.5 t

Transport length: 6.1 m

Transport width: 1.92 m

Transport height: 2.55 m

Bucket capacity min.: 0.07 m³

Bucket capacity max.: 0.18 m³

Bucket width: 0.705 m

Track width: 400 mm

Driver protection: KbR

Max. Reach horizontal: 6.43 m

Dredging depth: 3.5 m

Tear-out force: 28.4 kN

Model series: 7A

Engine manuf.: Yanmar

Engine type: 4TNV98

Engine power: 43 kW

Displacement: 3.3 l

Revolutions at max torque: 2100 rpm

More technical details, like: bucket capacity, standard tyres, dimension lxwxh, max. torque, no. of cylinders, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with standard bucket

Special equipment

Track adjustment: No
Rubber track: No
Blade: Yes
Aircondition: No
Quick hitch hydr.: No
Quick hitch mech.: No

Download datasheets (PDF)

R 55 W 7 A Hyundai Specification for North America (EN)

Hyundai R 55 W 7 A FAQ

When was the Hyundai R 55 W 7 A manufactured?

The Hyundai R 55 W 7 A was manufactured from 2008 to 2010.

How much does the Hyundai R 55 W 7 A weigh?

The Hyundai R 55 W 7 A weighs 5.5 tons.

What are the transport dimensions of the Hyundai R 55 W 7 A mini excavator?

The Hyundai R 55 W 7 A has a transport length of 6.1 meters, a transport width of 1.92 meters, and a transport height of 2.55 meters.

What is the track width of the Hyundai R 55 W 7 A mini excavator?

The Hyundai R 55 W 7 A mini excavator has a track width of 400 mm.

What are the excavation performance specifications of the Hyundai R 55 W 7 A mini excavator?

The Hyundai R 55 W 7 A mini excavator has a dredging depth of 3.5 meters and a maximum horizontal reach of 6.43 meters.

What is the tear-out force specification of the Hyundai R 55 W 7 A mini excavator?

The Hyundai R 55 W 7 A mini excavator has a tear-out force of 28.4 kN.

What are the specifications of the bucket on the Hyundai R 55 W 7 A mini excavator?

The Hyundai R 55 W 7 A mini excavator has a bucket with a maximum capacity of 0.18 cubic meters, a minimum capacity of 0.07 cubic meters, and a width of 0.705 meters.

What operator safety and support features does the Hyundai R 55 W 7 A have?

The Hyundai R 55 W 7 A is equipped with a cabin that includes ROPS (Roll-Over Protective Structure) for driver protection.

How much is a Hyundai R 55 W 7 A Mini excavator (2008u20132010) worth?

The residual value of the Hyundai R 55 W 7 A depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Hyundai R 55 W 7 A overview

Hyundai R 55 W 7 A features overview

Exceptional Traction &Lifting Capacity
The considerable traction and lifting force enables all jobs to be completed quickly.
Large Capacity Radiator
To improve performance at Oveload or continuous work, a large-capacity radiator has been installed.

Engine / Driveline and transmission

The Highest Engine Power in its Class YANMAR 4TNV98-EPHYB 57 HP / 2,400 rpm
Yanmar 4TNV98-EPHYB engine offers 20,5 kgf.m (148 lbf.ft) maximum torque with 57 hp at 2,400rpm rated output. This means the R55W-7A runs with the greatest power in its class and gives you more strength to get the job done.
Reliable Instrument Panel
All information from equipment such as engine rpm, engine water temperature, fuel status and the condition of all types of electrical switches supply the operator with an exact state of machine. These features greatly facilitate troubleshooting. M MODE : High power
Long Life Hydraulic Filter
High performance filter materials are used to extend the filter change interval. Some of the photos may include optional equipment.
Easy to Fill up with Fuel (Option)
The fuel filler pump provides easy filling of the fuel tank from other tanks by electric implement.
High Capacity Prefilter & Fuel Filter
High performance fuel filters and pre-filters are applied for durability to protect the injection system and minimise the risk of a fuel breakout.

Environment

Hyundai Robex 55W-7A Hyundai Robex 55W-7A
Maximized Workability Comfortable Operating Environment Extended Hydraulic System Improved Durability & Reliability

Tyres / Tracks

Big Sized Sun Visor & Top Glass
The large sun visor and upper glass are installed on top of the front window to block direct sunlight and increase operator visibility.

Dimensions and weight

Dozer blade	Width x Height 1	925 x 354mm(6’ 4” x 14” )"
Max. lifting above ground level	400mm(15.7”)
Max. depth below ground level	90mm(3.5”)

Load point height m(ft)

Load radius

At max. reach

2.0m(5ft)

3.0m(10ft)

4.0m(13.12ft)

5.0m(16.40ft)

Capacity

Reach

m (ft)

5.0m

*960

4.46

(16.40ft)

*2120

(14.6)

4.0m

*1020

*990

720

5.26

(13.12ft)

*2250

*2180

1590

(17.3)

3.0m

*1150

1110

*1030

610

5.69

(10ft)

*2540

2450

*2270

1340

(18.7)

2.0m

*1910

1670

*1410

1060

*1210

740

*1070

570

5.86

(5ft)

*4210

3680

*3110

2340

*2670

1630

*2360

1260

(19.2)

1.0m

*2510

1570

*1670

1010

*1320

720

*1120

570

5.80

(5ft)

*5530

3460

*3680

2230

*2910

1590

*2470

1260

(19.0)

Ground

*2680

*2730

1510

*1820

980

*1160

610

5.51

Line

*5910

*6020

3330

*4010

2160

*2560

1340

(18.1)

-1.0m

*4040

3020

*2620

1510

*1770

970

*1190

740

4.91

(-5ft)

*8910

6660

*5780

3330

*3900

2140

*2620

1630

(16.1)

-2.0m

*3410

3080

*2100

1540

(-5ft)

*7520

6790

*4630

3400

Load point height m(ft)

Load radius

At max. reach

2.0m(5ft)

3.0m(10ft)

4.0m(13.12ft)

5.0m(16.40ft)

Capacity

Reach

m (ft)

5.0m

*940

*880

840

4.86

(16.40ft)

*2070

*1940

1850

(15.9)

4.0m

*910

650

5.58

(13.12ft)

*2010

1430

(18.3)

3.0m

*1010

760

*950

560

5.98

(10ft)

*2230

1680

*2090

1230

(19.6)

2.0m

*3010

*1660

*1290

1070

*1130

740

*990

520

6.14

(5ft)

*6640

*3660

*2840

2360

*2490

1630

*2180

1150

(20.1)

1.0m

*1980

*2340

1580

*1580

1020

*1260

710

*1040

520

6.09

(5ft)

*4370

*5160

3480

*3480

2250

*2780

1570

*2290

1150

(20.0)

Ground

*2560

*2680

1510

*1780

980

*1340

690

*1080

560

5.81

Line

*5640

*5910

3330

*3920

2160

*2950

1520

*2380

1230

(19.1)

-1.0m

*3610

2980

*2670

1490

*1800

960

*1120

650

5.27

(-5ft)

*7960

6570

*5890

3280

*3970

2120

*2470

1430

(17.3)

-2.0m

*3850

3030

*2300

1510

*1500

970

*1100

910

4.31

(-5ft)

*8490

6680

*5070

3330

*3310

2140

*2430

2010

(14.1)

-3.0m

*2080

(-10ft)

*4590

Major component weight
Upper structure	2	650 kg ( 5	840 lb)"
Counterweight	200 kg ( 440 lb)
Mono boom(with arm cylinder)	310 kg ( 680 lb)

Operating Weight
Operating weight kg(lb)	5	450 (12	020)"

Other features

Wide Comfortable Operating Space
All controls are designed and positioned according to the latest ergonomic research. Reinforced pillars have also been added for greater cab rigidity.
Wide Cab with Excellent Visibility
The cab is spacious and ergonomically designed with low noise levels and good visibility. A full-view front window as well as large rear and side windows provide excellent visibility in all directions.
High-output Air Conditioner & Heater
A large capacity air conditioning system is installed for operator comfort in any climate. To provide more convenience, the cabin is equipped with defrosters for cold seasons.
Sliding Side Window
The sliding side window provides greater comfort for the operator without having to open the door.
Easy to Open Front Window
The front sliding folding window is opened easily and maintained safely in an open position to improve working condition.

Robex 55W-7A Unparallelled Technology of R55W-7A. Unparallelled Technology of R55W-7A. It fills your dreams you fulfill your dreams
Arrangement Between Bucket and
Attachment is designed to minimise dead space between bucket and blade for efficient grading work.
Easy to Maintain Engine Components
The R55W-7A is designed with accessibility. All doors, covers and hoods are built for full open access. You will find out that the R55W-7A offers plenty of room to easily complete your regular maintenance and service effort.
Easy Change of Air Cleaner
The R55W-7A is equipped with durable plastic air cleaner for easy maintenance and fast service.
Centralized Grease Fittings
Grease fittings are highlighted and centralized for quick access when performing your service checks. Save time and money on routine maintenance.
Centralized Fuse Box
The fuse box is arranged on the back of the seat for easy service.

Safety

Steel Tube Frame Cabin
Strong cab structure protects the operator from falling objects, improves operator safety with seat belt in case of roll over. (ROPS, FOPS, TOPS STD.)

Tables

Boom length	3	000 mm(9' 10"")"
Arm length,"※1,600 mm(5' 3"")	1,900 mm(6' 3"")"
A. Max. digging reach,"6,150 mm(20' 2"")	6,430 mm(21' 1"")"
B. Max. digging depth,"3,500 mm(11' 6"")	3,800 mm(12' 6"")"
C. Max. digging height,"6,070 mm(19' 11"")	6,260 mm(20' 6"")"
D. Max. dumping height,"4,340 mm(14' 3"")	4,530 mm(14'10"")"
E. Min. swing radius,"2,350 mm( 7' 9"")	2,350 mm( 7' 9"")"
F. Tail swing radius,"1,650 mm( 5' 5"")	1,650 mm( 5' 5"")"

(Refilling)	liter	US gal	UK gal
Fuel tank	120.0	31.7	26.4
Engine coolant	10.0	2.6	2.2
Engine oil	11.6	3.1	2.6
Swing device-gear oil	1.5	0.4	0.3
Hydraulic tank	70.0	18.5	15.4
Axle(Front/Rear)	5.3/5.3	1.4/1.4	1.2/1.2

Swing motor	Axial piston motor
Swing reduction	Planetary gear reduction
Swing circuit lubrication	Grease
Swing brake	Multi wet disc
Swing speed	9.3 rpm

Arm,Length,"* 1,600 mm (5' 3"")	1,900 mm (6' 3"")"
Weight	195 kg (430 lb)	210 kg (460 lb)
Bucket digging force		37.7 kN	37.7 kN
SAE,"3,850 kgf	3,850 kgf"
8,490 lbf	8,490 lbf"
	42.4 kN	42.4 kN
ISO,"4,330 kgf	4,330 kgf"
,"9,550 lbf	9,550 lbf"
Arm crowd force	SAE	28.4 kN	25.5 kN
2,900 kgf	2,600 kgf"
6,390 lbf	5,730 lbf"
	31.9 kN	28.7 kN
ISO,"3,260 kgf	2,930 kgf"
7,190 lbf	6,460 lbf"

Max. travel speed	27 km/h
Gradeability	35° (70%)

Capacity	Width	Weight	3.0m (9' 10"") Boom"
SAE heaped,CECE heaped,Without side cutters,With side cutters,"1.6m (5'3"") arm	1.9m (6'3"") arm"
0.07 m3 (0.09 yd3 ),0.06 m3 (0.08 yd3 ),"315 mm(12.4"")	360 mm(14.2"")",84 kg(185 lb),,
* 0.18 m3 (0.24 yd3 ),0.15 m3 (0.20 yd3 ),"705 mm(27.8"")	770 mm(30.3"")",137 kg(300 lb),,

Model	YANMAR 4TNV98-EPHYB
Type		Water cooled	4 cycle diesel 4 cylinders in line	direct injection	low emission"
Rated flywheel horse power
SAE	J1995 (gross)	57 HP (42.5 kW) at 2	400 rpm"
J1349 (net)	55.2 HP (41.2 kW) at 2	400 rpm"
DIN	6271/1 (gross)	57.8 PS (42.5 kW) at 2	400 rpm"
6271/1 (net)	56 PS (41.2 kW) at 2	400 rpm"
Max. torque		20.5 kgf.m (148 lbf.ft) at 1	550 rpm"
Bore x stroke		98 mm (3.86"") x 110 mm (4.33"")"
Displacement		3	319 cc (203 cu in)"
Battery		1 x 12 V x 100 AH
Starter motor		12V-3.0 kW
Alternator		12V-80 Amp

Main pump
Type	Two variable displacement piston pumps
Rated flow	2 x 55ℓ/min(15.9 US gpm/13.2 UK gpm)pumps
Sub-pump for pilot circuit	Gear pump
Hydraulic motors
Travel	Two speed axial piston motor with counter balance valve and parking brake
Swing	Axial piston motor with automatic brake
Relief valve setting
Implement circuits	220 kgf/cm2 (3	130 psi)"
Travel circuit	220 kgf/cm2 (3	130 psi)"
Swing circuit	220 kgf/cm2 (2	840 psi)"
Pilot circuit	30 kgf/cm2 ( 430 psi)
Service valve	Installed
Hydraulic cylinders
Boom	:	1 - 110 x 65 x 715 mm (4.3"" x 2.6"" x 28.1"")"
Arm	:	1 - 90 x 55 x 850 mm (3.5"" x 2.2"" x 33.5"")"
No. of cylinder- bore rod stroke Bucket :	1 - 80 x 50 x 660 mm (3.1"" x 2.0"" x 26.0"")"
x x Boom swing :	1 - 95 x 50 x 527 mm (3.7"" x 2.0"" x 20.7"")"
Dozer blade :	1 - 100 x 50 x 159 mm (4.3"" x 2.0"" x 7.5"")"

Events

Visit Hyundai live at

SteinExpo 2026

Homberg/Nieder-Ofleiden, Germany

September 2 — 5

NordBau 2026

Holstenhallen Neumünster, Germany

September 9 — 13

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Transport length:: 6.1 m

Transport width:: 1.92 m

Transport height:: 2.55 m

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News

Construction News by LECTURA 19.06.2026

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