| Item | MPS78UU-10 |
|---|---|
| Specifications | |
| Base vehicle | Komatsu PC78UU-10 |
| Total working weight（kg) | 11500 |
| Type of track roller | Rubber integral insulated shoe |
| Fuel tank（L） | 125 |
| Dimensions | |
| Overall length (during transportation) (mm) | 6040 |
| Overall width（mm） | 2330 |
| Overall height (on track) (mm) | 2730 |
| Swing radius (mm) | 1390 |
| Overall length of crawler (mm) | 2840 |
| 性能 | |
| Bucket capacity rang（m3） | 0.09～0.3 |
| Bucket offset（mm） | Left 1050 Right 1050 |
| Max. digging depth（mm） | 4230 |
| Max. digging radius (mm) | 6400 |
| Max. digging height (mm) | 7330 |
| Max. dumping height (mm) | 5260 |
| Min. swing radius (mm) | 1200 |
| Max. digging power (kN) | 61.3 |
| Max. speed of crawler (km/h) | 低速2.8 高速5.0 |
| Gradability (degrees) | 35 |
| Ground contact pressure (kgf/cm2) | 0.36 |
| Track running performance | |
| Max. speed (km/h) | 30 |
| Track running performance | 35/1,000 |
| Counterbalance braking distance (m) | In fine weather: 18m In wet weather: 25m |
| Braking distance（m） | In fine weather: 10m In wet weather: 14m |
| Working radius (m) | Rated load (t) |
|---|---|
| 1.8〜3.3 | 1.70 |
| 3.5 | 1.6 |
| 4.0 | 1.3 |
| 4.5 | 1.1 |
| 5.0 | 0.9 |
| 5.44 | 0.8 |
| Item | MPS78UU-10 |
|---|---|
| Engine | |
| Model | Komatsu SAAD4D95LE-6 |
| Type | Air-cooled direct injection turbo |
| Total displacement (cc) | 3260 |
| Rated output (PS/rpm) | 68.9/1950 |
| Hydraulic unit | |
| Type and quantity of hydraulic pumps | Variable capacity piston type, 1 pc. + gear type, 2 pcs. |
| Hydraulic pump discharge (L/min) | 80×2+60+12.7 |
| Max. set pressure (kgf/cm2) | 270 |
| Type and quantity of control valves | 10-spool valve: 1 pc. |
| Operation method | Hydraulic assist |
| Crawler running motor | Variable capacity piston type |
| Crane unit | |
| Type | Articulated jib mobile crane with hydraulic shovel |
| Rated lifting load (t) | 1.7 |
| Crane safety devices | Overload prevention device, pressure rise prevention valve, sudden drop prevention valve, overload alarm, outer locking hook, level board and external signal lamp |
| Track running equipment | |
| Wheel | Diameter: 460 mm Width: 125 mm. wheel back to back gauge: 990 mm (narrow gauge), 1360 mm (standard gauge) 4 insulated wheels |
| Axle | 2 axles (diameter 100 mm), 1 axle drive Distance between axles: 2620 mm |
| Motive power source | Hydraulic motor with counterbalance valve (output 48 kW, torque 765 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 and escape lash prevention device |
| Rail clamp | 4 pairs at front and rear for keeping body during working, hydraulically actuated Each clamp provided with insulating material Clamping force: 2.3 t |
| Safety devices in track | |
| Emergency engine | Air-cooled 4-cycle single cylinder diesel engine (406 cc, 10 ps) |
| Boom height limits | 3.8 m: Yellow lamp ON 4.2 m: Red lamp ON + automatic stop of boom |
| Boom insulation | High voltage plastic sheet for electrical use (withstand voltage: 7000 V) |
| Device for preventing interference with adjacent lines | Key switch type. In setting: Red lamp ON + warning sound + automatic stop of swing |
| Other safety devices | Hydraulic motor release clutch, hydraulic motor free valve, train proximity alert system, front and rear lamps, flasher, fence for crew, connecting hole, coupling rod and back monitor |
Rotary cutter (grass cutter/tree trimmer)
