Hyundai · Mobile Excavator

Hyundai R55W-7 Specs

/5 · ratings Be the first to rate ✓ Thanks!

Hyundai

Overview

The Hyundai R55W-7 is a mobile excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 55 hp, operating weight of 12,015 lb, working depth of 11.49 ft, reach of 20.18 ft, capacity of 0.3 yd³ and travel speed of 16.8 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Hyundai R55W-7 against similar mobile excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
12,015.20
lb

Net Power
55
hp

Gross Power
57
hp

Max Digging Depth
11.49
ft

Full Specifications

36 specs

Dimensions

Ground Clearance 0.96 ft / 0.29 m

Height to Top of Cab 9.36 ft / 2.85 m

Max Cutting Height 19.92 ft / 6.07 m

Max Digging Depth 11.49 ft / 3.50 m

Max Loading Height 14.24 ft / 4.34 m

Max Reach Along Ground 20.18 ft / 6.15 m

Overall Width 6.32 ft / 1.93 m

Tail Swing Radius 5.42 ft / 1.65 m

Upper Structure Clearance 3.24 ft / 0.99 m

Wheelbase 6.89 ft / 2.10 m

Engine

Alternator Supplied Amperage 55 A

Cooling System Fluid Capacity 2.70 gal / 10.2 L

Displacement 186 cu in / 3.0 L

Engine Make 2348

Engine Model 4TNV94L

Engine Oil Capacity 2.50 gal / 9.5 L

Front Diff Fluid Capacity 1.60 gal / 6.1 L

Fuel Capacity 31.80 gal / 120.4 L

Gross Power 57 hp / 42.5 kW

Hydraulic Pump Flow Capacity 31.80 gal/min / 120.4 L/min

Hydraulic System Fluid Capacity 18.50 gal / 70.0 L

Hydraulic System Relief Valve Pressure 3,130 psi / 215.8 bar

Net Power 55 hp / 41.0 kW

Net Torque 149 lb-ft / 202 Nm

Number of Cylinders 4

Number of Forward Gears 2

Number of Reverse Gears 2

Operating Weight 12,015 lb / 5,450 kg

Operational Voltage 12 V

Power Measured @ 2,400 rpm

Rear Diff Fluid Capacity 1.30 gal / 4.9 L

Reference Bucket Capacity 0.30 yd³ / 0.23 m³

Swing Speed 9.90 deg

Torque Measured @ 1,440 rpm

Transmission Type 4-wheel hydrastatic drive, mesh, helical gear transmission

Undercarriage

Max Travel Speed 16.80 mph / 27.0 km/h

Related Machines

Caterpillar

M315D Mobile Excavator

Caterpillar

M313D Mobile Excavator

Caterpillar

M316D Mobile Excavator

Caterpillar

M318D Mobile Excavator

Caterpillar

M322C Mobile Excavator

Caterpillar

M322D Mobile Excavator

Frequently Asked Questions

What is the operating weight of the Hyundai R55W-7? +

The Hyundai R55W-7 has an operating weight of 12,015 lb (5,450 kg). This places it in a class suited for mobile excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Hyundai R55W-7 engine? +

The Hyundai R55W-7 produces 57 hp (42.5 kW) of engine power. This output is typical for its weight class and designed to handle demanding Mobile Excavator work cycles efficiently.

What is the maximum digging depth of the Hyundai R55W-7? +

The Hyundai R55W-7 has a maximum digging depth of 11.49 ft (3.50 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Hyundai R55W-7? +

The Hyundai R55W-7 has a maximum reach along the ground of 20.18 ft (6.15 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Hyundai R55W-7? +

The Hyundai R55W-7 has a maximum travel speed of 16.8 mph (27.0 km/h), enabling efficient movement between work areas on the job site.

How does the Hyundai R55W-7 compare to similar Mobile Excavator models? +

You can compare the Hyundai R55W-7 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.