 |
4.51-m boom | 7.27-m boom | 10.03-m boom | 12.79-m boom | 15.55-m boom | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rated lifting load in stopped state | Rated lifting load in running state | Rated lifting load in stopped state | Rated lifting load in running state | Rated lifting load in stopped state | Rated lifting load in running state | Rated lifting load in stopped state | Rated lifting load in running state | Rated lifting load in stopped state | Rated lifting load in running state | |
| 1.00 | 4,900 | 2,000 | 4,900 | 2,000 | Not allowed |
Not allowed |
||||
| 1.50 | 4,900 | 2,000 | 4,900 | 2,000 | 2,600 | 1,400 | ||||
| 2.00 | 4,900 | 2,000 | 4,900 | 2,000 | 2,600 | 1,400 | 2,000 | |||
| 2.50 | 4,900 | 2,000 | 4,900 | 2,000 | 2,600 | 1,400 | 2,000 | 1,400 | ||
| 3.00 | 4,300 | 2,000 | 4,300 | 2,000 | 2,600 | 1,300 | 2,000 | 1,400 | ||
| 3.50 | 3,600/3.45m | 1,800/3.45m | 3,550 | 1,775 | 2,600 | 1,300 | 2,000 | 1,400 | ||
| 4.00 | - | - | 3,050 | 1,525 | 2,600 | 1,300 | 2,000 | 1,400 | ||
| 4.50 | - | - | 2,650 | 1,325 | 2,400 | 1,200 | 2,000 | 1,400 | ||
| 5.00 | - | - | 2,250 | 1,125 | 2,200 | 1,100 | 1,800 | 1,400 | ||
| 6.00 | - | - | 1,650 | 825 | 1,800 | 900 | 1,500 | 1,160 | ||
| 7.00 | - | - | 1,550/6.22m | 775/6.22m | 1,400 | 700 | 1,280 | 1,000 | ||
| 8.00 | - | - | - | - | 1,100 | 550 | 1,100 | 870 | ||
| 9.00 | - | - | - | - | 950/8.98m | 475/8.98m | 950 | 770 | ||
| 10.00 | - | - | - | - | - | - | 800 | 700 | ||
| 12.00 | - | - | - | - | - | - | 600/11.74m | 570 | ||
| 14.00 | - | - | - | - | - | - | - | 350 | ||
| 14.50 | - | - | - | - | - | - | - | 320 | ||
• A load is hung with four wires in all cases.
• The load which can be actually lifted is the difference obtained by subtracting the weight of the hook and hanging tools, such as slinging wire ropes (hook weight: 80 kg), from the rated total load.
| Item | MWR120UR | MWR120UR (gondola type) |
|---|---|---|
| Specifications | ||
| Base vehicle | Kobelco MWR120UR | |
| Total working weight (kg) | 16,700 | |
| Type of track roller | Rubber integral insulated shoe | |
| Fuel tank (L) | 100 | |
| Dimensions | ||
| Overall length (during transportation) (mm) | 5,721 | 8,996 |
| Overall width (mm) | 2,700 | |
| Overall height (on track) (mm) | 2,928 | |
| Swing radius (mm) | 1,480 | |
| Overall length of crawler (mm) | 3,670 | |
| Performance | ||
| Boom length (m) | 4.51~15.55 | |
| Max. lifting load × working radius (t×mm) | 4.9×2,500 | |
| Max. working radius (mm) | 14,500 | 10,000 |
| Max. lift above ground level (mm) | 16,500 | 10,000 |
| Max. lift below ground level (mm) | 26,300 | - |
| Swing range (degrees) | 360 | |
| Swing speed (rpm) | 2.2 |
|
| Max. speed of crawler (km/h) | Low speed: 1.9 High speed: 3.3 | |
| Gradability (degrees) | 35 | |
| Ground contact pressure (kgf/cm2) | 0.58 | |
| Track running performance | ||
| Max. speed (km/h) | 16 | |
| Max. gradient at which vehicle can start | 30/1,000 | |
| Counterbalance braking distance (m) | In fine weather: 18 m In wet weather: 25 m | |
| Braking distance (m) | In fine weather: 10 m In wet weather: 14 m | |
| Item | MWR120UR |
|---|---|
| Engine | |
| Model | Isuzu A-4JB1 |
| Type | 4-cycle water-cooled inline direct injection type with turbo |
| Total displacement (cc) | 2,771 |
| Rated output (PS/rpm) | 41.9/2,200 |
| Hydraulic unit | |
| Type and quantity of hydraulic pumps | Variable piston type, 2 pcs. + gear type, 2 pcs. |
| Hydraulic pump discharge (L/min) | 66×2+12.1+19.6 |
| Max. set pressure (kgf/cm2) | 320 |
| Type and quantity of control valves | 6+1+1-spool valve |
| Operation method | Hydraulic assist |
| Crawler running motor | Variable piston type, 2 pcs. |
| Crane unit | |
| Boom | 5 stages/4.9 t |
| Rated lifting load (t) | 4.9 |
| Crane safety devices | Overload prevention device, over-winding prevention device, load indicator, Height upper limit setting device, level board, inclination warning device |
| Gondola safety devices | Gondola balancing device, gondola emergency stop device and column to prevent getting caught in gondola |
| Track running equipment | |
| Wheel | Diameter: 460mmWidth: 125mm, wheel back to back gauge: 990mm (narrow gauge), 1,360mm (standard gauge), 4 insulated wheels |
| Axle | 2 axles (diameter 100 mm), 1 axle drive Distance between axles: 3,860mm |
| Motive power source | Hydraulic motor with counterbalance valve (output 96 kW, torque 1,530 N.m), 2 units |
| Drive | Chain driving system for each axle |
| Brake | Hydraulic disc brake for each axle (braking torque: 0.5 t.m) + counterbalance valve for each axle, with parking braking system escape lash prevention device |
| Safety devices in track | |
| Emergency engine | Air-cooled 4-cycle single cylinder diesel engine (406 cc, 10 ps) |
| Boom height limits | automatic stop of boom |
| Boom insulation | High voltage plastic sheet for electrical use (withstand voltage: 7000 V) |
| Other safety devices | Hydraulic motor release clutch, hydraulic motor free valve, front and rear lamps, flasher, fence for crew, connecting hole and coupling rod |
Rotary cutter (grass cutter/tree trimmer)
