HD785-8
رقم القطعة: KOMATSU-HD785-8
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الوصف
HD785-8
المواصفات
| Maximum torque (ft-lbs) | 3,739 @ 1,350 rpm |
|---|---|
| Operating weight (kg) | 166 080 |
| Operating weight (lbs) | 365,967 |
| Engine model | Komatsu SAA12V140E-7 (EPA Tier 4 Final emissions certified) |
| Aspiration | Turbo-charged, after-cooled, cooled EGR |
| Number of cylinders | 12 |
| Piston displacement (L) | 30.48 |
| Piston displacement (in^3) | 1860 |
| Governor | Electronically controlled |
| SAEJ1995 - Gross (kW) | 895 @ 1,900 rpm |
| SAEJ1995 - Gross (HP) | 1200 @ 1,900 rpm |
| ISO 9249 / SAE J1349 - Net (HP) | 1140 @ 1 900 rpm (879 kW @ 1900 rpm) |
| Fan drive type | Mechanical |
| Filter | Full-flow type |
| Method | Gear pump, force-lubrication |
| Fuel tank (US gal) | 349.2 |
| Fuel tank (L) | 1 322 |
| Engine oil (L) | 138 |
| Engine oil (US gal) | 36.5 |
| Final drive (US gal) | 30.6 |
| Final drive (L) | 116 |
| Bore (mm) | 140 |
| Bore (in) | 5.51 |
| Stroke (in) | 6.5 |
| Stroke (mm) | 165 |
| Hydraulic system (US gal) | 101.7 |
| Hydraulic system (L) | 385 |
| Air cleaner | Dry type with double elements, precleaner and evacuator valve |
| Maximum travel speed (kph) | 65 |
| Maximum travel speed (mph) | 40.4 |
| Engine type | Water-cooled, 4-cycle |
| Parking brake type | Spring applied, multiple-disc type |
| Transmission | Full-automatic, planetary type |
| Gross vehicle weight (kg) | 166 080 |
| Gross vehicle weight (lbs) | 365,967 |
| Gross horsepower (HP) | 1,200 @ 1,900 rpm |
| Gross horsepower (kW) | 895 kW @ 1 900 rpm |
| Capacity (mt) | 92.2 |
| Capacity (st) | 101.6 |
| Bottom (in) | 0.75 |
| Bottom (mm) | 19 |
| Front (in) | 0.47 |
| Front (mm) | 12 |
| Sides (in) | 0.35 |
| Sides (mm) | 9 |
| Heaped 2:1 SAE Capacity (yd^3) | 78.5 |
| Heaped 2:1 SAE Capacity (m^3) | 60 |
| Maximum torque (kg-m) | 517 @ 1,350 rpm |
| Hoist cylinder type | Twin, 2-stage telescopic type |
| Fuel system | Direct injection |
| Relief pressure (kg/cm^2 / MPa) | 210 / 20.6 |
| Relief pressure (psi) | 2990 |
| Hoist time | 11.5 |
| Torque converter | 3 elements, 1 stage, 2 phase |
| Speed range | Seven speeds forward and two reverse |
| Lockup clutch | Wet, multiple-disc clutch |
| Forward | Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears |
| Shift control | Electronic shift control with automatic clutch modulation in all gears |
| Brakes standard | ISO 3450 |
| Reverse | Torque converter drive and direct (lockup) |
| Final drive type | Planetary gear |
| Differential ratio | 2.944 |
| Planetary ratio | 7.235 |
| Steering system type | Fully hydraulic power steering with two double-acting cylinder |
| Secondary steering | Automatic/Manual control |
| Minimum turning radius wall to wall (ft) | 33 ft. 2 in |
| Minimum turning radius wall to wall (m) | 10.1 |
| Empty weight (lbs) | 162,701 (including 176 lbs operator) |
| Empty weight (kg) | 73 880 (including 80 kg operator) |
| Front axle - loaded (%) | 33.2 |
| Rear axles - loaded (%) | 66.8 |
| Front axle - empty (%) | 51.5 |
| Rear axles - empty (%) | 48.5 |
| Torque converter transmission retarder (L) | 530 |
| Torque converter transmission retarder (US gal) | 140 |
| Differentials (L) | 203 |
| Differentials (US gal) | 59.6 |
| Suspension (US gal) | 24.5 |
| Suspension (L) | 92.6 |
| Articulated type | Box-sectioned structure |
| Standard tire | 27.00 R49 |
| Struck capacity (2 : 1) unlined (standard) (m^3) | 40 |
| Struck capacity (2 : 1) unlined (standard) (yd^3) | 52.3 |
| Rear axle oscillation oil stopper (degree) | 5.3 |
| Rear axle oscillation mechanical stopper (degree) | 6 |
| Nominal payload (metric tons) | 92.2 (standard unlined body) |
| Nominal payload (short tons) | 101.6 (standard unlined body) |
| Front brake surface (in^2) | 6075 |
| Front brake surface (cm^2) | 39 195 |
| Rear brake surface (in^2) | 11138 |
| Rear brake surface (cm^2) | 71 858 |
| Retarder | Oil-cooled, multiple-disc front and rear brakes act as retarder |
| Rear service brakes | Fully hydraulic control, oil-cooled multiple-disc type |
| Service parking brakes | Spring applied, multiple-disc type |
| Service retarder brakes | Oil-cooled, multiple-disc front and rear brakes act as retarder |
| Secondary service brakes | Manual pedal operation when hydraulic pressure drops below the rated level, parking brake is automatically actuated |
| Maximum steering angle (degrees) | 41 |
| Rear axle | Full-floating |
| Front suspension (mm) | 320 |
| Front suspension (ft X in) | 1 ft. 0.6 in |
| Rear suspension (mm) | 127 |
| Rear suspension (in) | 5 |
| McPherson strut type | Front suspension and four-link type rear axle suspension with independent, hydropneumatic cylinders. |
| Front brake type | Fully hydraulic control, oil-cooled multiple-disc type |
| Front (in^2) | 6075 |
| Front (cm^2) | 39 195 |
| FOPS and ROPS standard | FOPS (ISO 3449 level II), ROPS (ISO 3471) |
