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10

Specifications

SERVICE CAPACITIES

ELECTRIC SYSTEM

UNDERCARRIAGE

BLADE

SWING SYSTEM

TRANSMISSION

ENGINE

The new generation engine has been developed to comply with the strictest emission controls.

Model ................................................................... Komatsu 4D88E-6 Type ............................................ emissionised 4-cycle diesel engine Displacement......................................................................2.189 cm³ Bore × stroke...................................................................88 × 90 mm No. of cylinders ................................................................................4 Engine power

at rated engine speed.................................................... 2.400 rpm ISO 14396 ..........................................................29,5 kW / 39,6 HP ISO 9249 (net engine power) .............................28,5 kW / 38,2 HP Max. torque/engine speed ...................................137 Nm/1.440 rpm Cooling system..........................................................................water Air filter type ..................................................................................dry Starter motor .....................................electric motor with pre-heating

air system for cold climate

OPERATING WEIGHT

Operating weight with standard bucket, fully serviced, +75 kg operator (ISO 6016).

Operating weight with cab and rubber shoes ...................... 5.280 kg Operating weight with cab and steel shoes ......................... 5.350 kg

HYDRAULIC SYSTEM

Type ........................................................................... Komatsu CLSS Main pump ..................................... 2 × variable displacement pump Max. pump flow.............................................. 53,5 × 2 + 33,8 ltr/min Max. operating pressure ..................................... 26,5 MPa (265 bar) Hydraulic motors:

Travel......................................................2 × variable displacement Swing ......................................................... 1 × fixed displacement Hydraulic cylinders (bore × stroke):

Boom .........................................................................90 × 696 mm Arm ............................................................................85 × 733 mm Bucket........................................................................75 × 580 mm Boom swing...............................................................95 × 630 mm Blade........................................................................110 × 140 mm Bucket digging force (ISO 6015) ...................... 3.900 daN (3.980 kg) Arm crowd force (ISO 6015):

1.640 mm arm............................................... 2.392 daN (2.440 kg) 2.000 mm arm............................................... 2.226 daN (2.270 kg) The digging equipment is fully controlled by PPC servo-controls. All movements are stopped by lifting the safety levers on the tilting case.

Type ......................2 speed hydrostatic transmission, controlled and

steered by means of two levers and two pedals Hydraulic motors ......................................................2 × axial pistons Reduction system........................................................planetary gear Max. drawbar pull............................................ 4.200 daN (4.280 kgf) Travel speed ................................................................ 2,8 - 4,6 km/h

The rotation is operated by means of an orbital hydraulic motor. Single ball-bearing ring with internal, induction hardened toothring. Centralised lubrication of the unit.

Swing speed.......................................................................... 9,0 rpm

Type .......................................... electro-welded, single unit structure Width × height ..........................................................1.960 × 355 mm Max. lifting above ground level .............................................430 mm Max. depth below ground level .............................................330 mm

Central lower X-frame and carriage frame with boxed section. Track rollers (each side) ....................................................................4 Shoe width ............................................................................400 mm Ground pressure (standard).............................................0,25 kg/cm²

Voltage.........................................................................................12 V Battery .......................................................................................72 Ah Alternator.....................................................................................40 A Starter motor ...........................................................................2,3 kW

Fuel tank.....................................................................................65 ltr Radiator and system .................................................................8,5 ltr Engine oil (refill) .........................................................................7,5 ltr Hydraulic system........................................................................55 ltr

BUCKET RANGE

Width mm

Capacity m³ (ISO 7451)

Weight kg

No. of teeth

300 0,07 75 2 400 0,1 90 3 500 0,125 100 4 600 0,15 115 5 700 0,175 125 5

ENVIRONMENT

Vibration levels (EN 12096:1997)*

Hand/arm.............................. ≤ 2,5 m/s² (uncertainty K = 1,2 m/s²) Body ..................................... ≤ 0,5 m/s² (uncertainty K = 0,2 m/s²) * for the purpose of risk assessment under directive 2002/44/EC, please refer to ISO/TR 25398:2006.

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