Mini Spider Cranes

UNIC URW-546 – Mini Spider Crane

The URW-546 offers an optimal combination of working flexibility and heavy lifting power.

Capacity 4.0t x 2.5m
Total width 1.4m
Max working radius 15.52m
Max lifting height 16m (17.79m with fly jib, 18.46m with searcher hook)
Max boom length 15.71m
Tier 4 diesel-powered and optional mains electric
Zero-length increase with the electric option
Operator control of outrigger extension
Radio remote control as standard
Working area limitation
Slew limitation (optional)
Intelligent throttle activation for economy and ecology
Optional low marking tracks
Optional radio remote control with feedback display
Maximum wind speed for safe use is 36km/h, 22mph or 10m/s

Ref: MCU546

Capacity: 4.0t x 2.5m
Max Lifting Height: 16m
Total Width: 1.4m
Weight: 4940-5090kg

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Features

Technical Table

Dimensions

Rated Loads

Boom Stages

Fall Stages

Outrigger Specs

Searcher Hook

Searcher Hook & Fly Jib Max Load

Specification

This crane is capable of lifting 4 tonnes at 2.5m and features a maximum lifting height of 16m. The UNIC URW-546 sees the addition of a new clean emissions, tier 4 diesel engine, making it fully compliant with the latest emissions regulations. The URW-546 mini crane can be controlled from the driver’s seat or via a radio remote control for precise lifting and placement of loads. At just 1.4m wide, the UNIC URW-546 is ideal for passing through internal doorways and working in confined areas where working space may be limited.

If you are looking to hire or purchase a UNIC URW-546, or require any further information, contact GGR Group today.

Dimensions

Capacity:

4.0t x 2.5m

Maximum Working Radius:

15.52m

Maximum Lifting Height:

16m (17.79m with fly jib, 18.46m with fixed hook)

Rope Length:

20.52m (4 fall), 42.54m (2 fall), 86.57m (1 fall)

Length (Folded):

4870mm

Width (Folded):

1400mm

Height (Folded):

2035mm

Weight (Unladen):

4940kg (5090kg with electric option)

Traction System

Drive:

hydrostatic 2-speed, stepless forward and reverse

Travel Speed:

0 - 3km/h

Gradeability:

± 20° (vertical), 20° (traverse)

Track Ground Length:

1750mm

Track Ground Pressure:

46.1 kPa (0.47kg/cm²)

Track Width:

300mm

Steering Angle:

Min Turning Radius:

Front Tyre Size:

Rear Tyre Size:

Power Plant

Fuel:

diesel

Manufacturer:

/Manufacturers/Yanmar

Maximum Output:

17.8kW (23.9PS) / 3000min rpm

Starting Method:

electric

Tank Capacity:

40 litres

Electric Motor Power:

7.5kW

Electric Motor Voltage:

400v AC 50/60Hz

Battery Charger:

Telescopic System

Hook Speed:

11m/min (with 4 layers and 4 falls)

Boom Length:

3.93 - 15.71m

Telescoping Speed:

11.78m / 35 seconds

Boom Type:

6 section hydraulically telescoping boom, hexagonal box construction

Derricking Angle/Speed:

0 - 80˚/18.0 seconds

Slewing Angle/Speed:

360˚ (continuous) 2.5min rpm

Equipment

Standard Equipment:

computer controlled moment limiter (safe load indicator), radio remote control, overwinding alarm, computer controlled intelligent voice warning system, multi-function operation by radio remote control, intelligent throttle activation, automatic hook stow, overload warning alarms, overload warning lamps, working area limitation

Optional Equipment:

1 fall hook block, 2 fall hook block, mains electric dual power (400v), low marking tracks, slew limitation, searcher hook small 500kg, searcher hook 700kg, fly jib 700kg with single part line, radio remote control with feedback display, data logging, forward facing camera