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Maeda LC785M-8B Crawler Crane

The new Maeda LC785-8B crawler crane has many improved features, such as a new engine, a new wider cab and an improved moment limiter.

The updated model has a faster winch, is even more comfortable and boasts many improved safety features. This popular model, with a minimal tail swing, is a class leader in safety on site.

 

Features at a glance...

• 4.9 Ton Max capacity • 2000kg Pick & Carry Duty
• Blade • Minimal Tail Swing
• New, Wider Air Conditioned Cab • Variable (Hi/Lo) Travel Speeds
• Tilt Alarm • Roof Window Wiper
• New Improved Moment Limiter • Hydrostatic Transmission
• 4 Fall / 2 Fall Hook Block • 7 inch TFT Multi Monitor
• Powerful Two Speed Winch with Hydraulic Disc Brake • Data Logger
• 16.35m Max Working Height 20.3m With Optional Fly Jib  

Specifications

Specifications

Capacity Maximum 4.9t x 2.1m
Working Radius Maximum 14.52m x 200kg
Lifting Height Maximum 16.35m x 1400kg (20.3m x 430kg with Fly-Jib)
Dimensions LC785B 5020mm x 2360mm x 2795mm
Weight LC785B
Hook Block Weight
10250kg (10420kg with Fly-Jib)
90kg
Hook Speed Two Speed 29/43m / min (4 falls, 4th layer)
Single Line Speed Two Speed 116/172m / min (4th layer)
Hoist Rope Type IWRC 6 x Fi (29) Ø 10mm x 115m
Telescopic System

Boom length
Telescoping speed
Boom type

4.63m - 15.63m
11m / 25 sec.
Fully automatic 5 section pentagonal telescopic boom
Boom Hoist System Hoist angle / speed -2º to 80º / 13.5 sec.
Slew System Slew angle / speed 360º continuous / 2.2 rpm
Drive

Type

Independent steering controls, hydraulic piston motor with built-in automatic brake, planet reduction gears, sprocket and crawler.

Traction Speed

Low
High
Gradability
Ground length x width
Ground pressure

0 - 2.5km/h
0 - 4.5km/h
20º
2235mm x 450mm (Track dimensions)
0.51 kgf / cm² (0.52 kgf / cm² with Fly-Jib)

Engine Model
Type

Rated output

Starting method
Fuel tank capacity

Komatsu SAA4D95LE-5
4 cylinder diesel, water cooled, direct injection
42.8 kW / 1950 rpm
Electric
Diesel / 140L

Standard Equiptment Moment limiter, steel tracks, overwind protection, hydraulic safety valves, level, EMO switch, LED working status lamp, air conditioning, 4-fall / 2-fall hook block, working light, hour-meter, tilt alarm, data logger, blade with interlock system.

 

Outrigger Positions

Total rated load

4.63m boom 7.38m boom 10.13m boom 12.88m boom 15.63m boom
Work Radius (m)  Total rated load (kg)  Work Radius (m) Total rated load (kg)   Work Radius (m) Total rated load (kg)   Work Radius (m) Total rated load (kg)  Working Radius (m)  Total rated load (kg)
 2 4900  2 4900 2 2600 2 2000 2 1400
2.5 3800 2.5 3760 2.5 2600 2.5 2000 2.5 1400
3 2900  3 2980  3 2310 3 2000 3 1400
3.5 2290  3.5 2420 3.5 2010 3.5 1890 3.5 1400
    4 2000 4 1750 4 1650 4 1400
    4.5 1670 4.5 1530 4.5 1450 4.5 1320
    5 1400 5 1340 5 1280 5 1200
    6 1000  1030 6 1010 6 990
        7 780 7 800 7 820
        8 580 8 630 8 680
        9 410  9 500 9 560
            10 390 10 450
            11 300  11 360
                12 280
                13 210
                14 200
                14.52 200

 

Pick & Carry Duties

Pick & Carry duties are available at boom lengths up to 10.13 metres. The Total Rated Load Charts are based on the actual working radius including boom deflection. The weight of the hook (standard 4 fall - 90kg) must be included as part of the load shown in the Total Rated Load Charts.

When using two fall or single fall hooks, use the appropriate four fall Total Rated Load Chart above but with a maximum load of: Two Fall - 2450kg, Single Fall - 1220kg.
4.63m boom 7.38m boom 10.13m boom
Work Radius (m) Total rated load (kg) Work Radius (m) Total rated load (kg) Work Radius (m) Total rated load (kg)
2 2000 2 2000 2 1400
2.5 2000 2.5 2000 2.5 1400
3 1670 3 1700 3 1360
3.5 1330  3.5 1380 3.5 1170
    4 1140 4 1020
    4.5 960 4.5 890
    5 810 5 770
    5.5 690 5.5 680
    6 590 6 590
    6.27 540 6.27 550
        6.5 510
        7 440
        7.5 380
        8 320
        8.5 270
        9 230
        9.02 230

Maximum Reach Below Ground Level

Four Fall Two Fall Single Fall
25.6m 52.0m 104.0m

Dimensions

Diagrams

dimensions1

dimensions2

Working Range Diagram

Working Range Diagram

Fly Jib

Boom Angle (deg) Jib LengthSingle Fall
3.0m 4.7m
80 430 430
70 430 430
65 330 330
60 230 230
55 130 130
workingrange