Spesifikasi Structure Komponen Pada Motor Grader Komatsu
SPESIFIKASI GRADER 825A-2 KOMATSU
🔰Overall weight Kg : 29.680
🔰Load on front wheel kN (kg) : 78.9 (8.040)
🔰Load on rear wheel kN (kg) : 212.2 (21.640)
🔰Overall lenght mm : 11.470
🔰Overall width mm : 3.310
🔰Overall height (to top of cabin) mm : 3.550
🔰Overall hight (to tip of muffler) mm : 2.605
🔰Wheelbase mm : 7.100
🔰Distance between centers of tandem wheels. mm : 1.840
🔰Tread (front) mm : 2.620
(rear) mm : 2,620
🔰Ground clearance mm : 440
ENGINE
🔰Model : Komatsu ( S6D140E-2 )
🔰Type : 4 - Cycle, Water cooled, In - line, Vertical, Direct injection type, with Turbocharger.
🔰No. of cylinder - Bore x stroke : 6 - 140 x 165
🔰Piston displacement l (cc) : 15.24 (15,240)
PERFORMACE
🔰Flywheel horsepower kW/rpm : 209/2,100
Hp/rpm : 280/2,100
🔰Max. torque Nm/rpm : 1,255/1,400
Kgm/rpm : 128/1,400
🔰Low idling rpm : 650
🔰Max idling rpm : 2,350
🔰Min. fuel consumption ratio. g/kWh : 208
g/HPh : 155
🔰Starting Motor : 24 V, 11 kW
🔰Alternator : 24 v, 50 A
🔰Batteray : 12 V, 160 Ah x 2
POWER TRAIN
🔰Transmision : Planetary gear type, Power shift type, Multiple disc cliucth, Hydroulically actuated, Lubrication gear pump force feed, Forward 8 speed, Reverse 8 speed.
🔰Reduction gear : Spiral bevel gear and planetary gear 2 - stage reduction.
🔰Rear axle : Fully floating, Tandem type.
🔰Tandem type : Chain transmision type.
STEERING OPERATING SYSTEM
🔰Front axle
- Type : Reverse elliott type
- Leaning : Hydraulic type
- Max. leaning angle : 14.5
- Type : Fully hydraulic type ( orbit - roll )
- Steering angle : 50
- Max. articulating angle : 25
- Dimension (length x height) mm : 4.877 x 860
- Dimension of cutting edge mm : 2.438 x 254 x 25 ( 2 pieces)
- Max. lifting height (from ground) mm : 450
- Max. lowering depth (from ground) mm : 950
- Max. side shift distance (left) mm : 1.920
- Max. side shift distance (right) mm : 2.070
- Turning angle (max.) deg : 115
- Digging angle (min.) deg ; 63
- Type : Parallelogram type
- Shank Standard : 3 ( possible to install 7 )
- Weight of ripper kN (kg) : 149 (15.200)
- Ripping width mm : 2.978
- Max. lifting height ( from ground) mm : 615
- Max. lowering depth (from ground) mm : 480
- Ripping angle deg : 52




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