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WJD-1.5 Electric Underground LHD Loader

The DALI WJD-1.5 is a 3-ton electric underground LHD for narrow-vein loading and short underground transfer cycles. It combines a 1.5 m3 bucket, 1.60 m machine width and 55 kW motor, providing a capacity step above smaller electric loaders while remaining compact for restricted mine roadways.

Selection Item

Published Value

Rated payload

3,000 kg

Standard bucket

1.5 m3

Overall dimensions

6,850 x 1,600 x 2,080 mm

Breakout / traction

86 / 104 kN

Electric motor

Y250M-4, 55 kW at 1,480 rpm

Maximum speed

10 km/h

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Product Overview

WJD-1.5 is positioned for mines that have outgrown a 2-ton electric LHD but still need a narrow machine envelope. It loads fragmented ore or waste at a heading or drawpoint and transfers it to a small truck, ore pass or stockpile.

The current page identifies electric motor drive but does not define the connection and cable-handling arrangement. These project-specific details must be confirmed before selection. Do not market the machine as battery electric.

Best-Fit Duties

  • Narrow-vein production where a 3-ton payload improves tonnes per cycle
  • Development loading and cleanup in roadways that accept a 1.60 m-wide machine
  • Short transfer routes between headings, ore passes and small trucks
  • Mines with a suitable fixed electrical supply and managed connection route
  • Sites evaluating optional remote control for approved mucking procedures

A Practical Step Between Access and Output

3-Ton Payload in a 1.60 m Body

The 3,000 kg payload and 1.5 m3 bucket offer more carried mass than WJD-1, while overall width increases to 1,600 mm. Check the complete articulated envelope, not only the straight body width.

Loading Force for Fragmented Rock

Published breakout force is 86 kN and maximum traction is 104 kN. Actual bucket penetration and ramp performance depend on fragmentation, floor condition, gradient and tire traction.

55 kW Electric Drive

The page lists a Y250M-4 motor with IP44 protection and voltage choices of 220, 380 or 440 V. Confirm frequency, voltage drop, connection standard, cable reach, earthing and protective switchgear.

DANA Powershift Drivetrain

Published components include a DANA C270 torque converter, RT20000 gearbox and CMG CY-F/R rigid planetary axles. Confirm the exact active configuration in the signed offer.

Maneuverability and Operator Position

The center-articulated frame has a published 35-degree steering angle and +/-8-degree axle oscillation. A rear-frame, side-seated operator position is intended to support visibility in both travel directions.

Braking and Monitoring

The page lists four-wheel drive and braking, SAHR braking, front NO-SPIN and rear anti-slip differentials, hydraulic joystick control and alarms for oil temperature, pressure and electrical conditions.

Access and Electrical Checklist

  • Measure route width, height, corner sweep and dumping clearance.
  • Match bucket load to density, fragmentation and fill factor.
  • Confirm voltage, frequency, available power and connection location.
  • Define cable handling, usable reach and separation from traffic and water.
  • Verify earthing, leakage, overload, short-circuit and isolation protection.
  • Check gradient length, road surface, drainage and emergency recovery.
  • Specify remote control, fire protection and operator protection at enquiry stage.

Technical Specifications

Dimensions and Capacity

Parameter

Published Value

Overall dimensions

6,850 x 1,600 x 2,080 mm

Ground clearance

220 mm

Maximum lift / unloading height

3,530 / 1,300 mm

Bucket / payload

1.5 m3 / 3,000 kg

Operating / laden weight

10,600 / 13,600 kg

Axle oscillation

+/-8 degrees

 

Performance and Powertrain

Parameter

Published Value

Breakout / traction

86 / 104 kN

Laden gradeability

20 degrees

Maximum speed

10 km/h

Raise / lower / dump time

<=6.0 / <=2.4 / <=4.0 s

Motor

Y250M-4, IP44, 55 kW at 1,480 rpm

Voltage

220 / 380 / 440 V

Converter / gearbox

DANA C270 / RT20000

Axles

CMG CY-F/R rigid planetary

 

Frequently Asked Questions

How does WJD-1.5 differ from WJD-1?

The published payload rises from 2,000 to 3,000 kg and bucket volume from 1 to 1.5 m3; width increases from 1,300 to 1,600 mm. Choose according to the tightest route and required tonnes per cycle.

Is it battery electric?

The page specifies an electric motor but no battery system. Use electric LHD terminology and confirm the actual power-connection arrangement.

Is remote control available?

The page states remote control is available. Confirm range, functions, emergency stops, fail-safe behavior and standard-versus-option status.

What data is required for a quotation?

Send roadway drawings, gradient, haul distance, material density, target output, mine voltage/frequency, connection point, cable route and safety requirements.

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