D155AX-8
رقم القطعة: KOMATSU-D155AX-8
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الوصف
D155AX-8
المواصفات
| Horsepower (HP) | 354 HP @ 1,900 rpm |
|---|---|
| Horsepower (kW) | 264 kW @ 1 900 rpm |
| Control valve | Spool control valve for SIGMADOZER and Semi-U tilt dozer. |
| Operating weight (kg) | 40 506 |
| Operating weight (lbs) | 89,300 |
| Blade capacity (m^3) | 9.4 - 11.9 |
| Blade capacity (yd^3) | 12.3 - 15.6 |
| Suspension | Oscillation-type with equalizer bar and forward mounted pivot shafts |
| Track roller frame | Monocoque, high-tensile strength steel construction |
| Rollers and idlers | Lubricated track rollers are resiliently mounted the track frame with a bogie suspension system whose oscillating motion is cushioned by rubber pads. |
| Number of track rollers (each side) | 7 |
| Number of shoes (each side) | 42 |
| Number of carrier rollers (each side) | 2 |
| Grouser height (mm) | 80 |
| Grouser height (in) | 3.1 |
| Shoe width (standard)(in) | 24 - 28 |
| Shoe width (standard)(mm) | 610 - 710 |
| Ground contact area (ft2) | 43 |
| Ground contact area (cm^2) | 39 955 |
| Ground pressure (with standard shoe)(ISO 16754)(psi) | 11.6 |
| Ground pressure (with standard shoe)(ISO 16754)(kg/cm^2) | 0.82 |
| Ground pressure (with standard shoe)(ISO 16754)(kpa) | 80.3 |
| Engine model | Komatsu SAA6D140E-7** |
| Dozers type | 4-cycle, water-cooled, direct injection |
| Aspiration | Komatsu Variable Geometry Turbocharged, air-to-air aftercooled, cooled EGR |
| Number of cylinders | 6 |
| Bore x stroke (in) | 5.51 x 6.50 |
| Bore x stroke (mm) | 140 x 165 |
| Piston displacement (L) | 15.24 |
| Piston displacement (in^3) | 930 |
| Governor | Mid-range, electronic |
| Footnote | *EPA Tier 4 Final emissions certified |
| SAEJ1995 - Gross (kW) | 268 |
| SAEJ1995 - Gross (HP) | 360 |
| ISO 9249 / SAE J1349 - Net (HP) | 354 |
| ISO 9249 / SAE J1349 - Gross (kW) | 264 |
| Rated rpm | 1900 |
| Fan drive type | Hydraulic |
| Filter | Full-flow |
| Method | Gear pump, force lubrication |
| Operator weight (approximate) | Including strengthened SIGMADOZER, giant ripper, ROPS cab, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. |
| Tractor weight (kg) | 32 700 |
| Tractor weight (lbs) | 72,100 |
| Tractor weight inclusions | Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment (including ROPS cab). |
| Final drive features | Double-reduction, spur and planetary final drives increase tractive effort. Segmented sprockets are bolt-on for easy in-the-field replacement. |
| Fuel tank (US gal) | 165 |
| Fuel tank (L) | 625 |
| Diesel Exhaust Fluid (DEF) tank (L) | 39 |
| Diesel Exhaust Fluid (DEF) tank (US gal) | 10.3 |
| Coolant (US gal) | 27.5 |
| Coolant (L) | 104 |
| Engine oil (L) | 37 |
| Engine oil (US gal) | 9.8 |
| Final drive (US gal) | 8.2 |
| Final drive (L) | 31 |
| Hydraulic tank (L) | 95 |
| Hydraulic tank (US gal) | 25.1 |
| Steering system features | PCCS lever controls for all directional movements. Pushing the PCCS lever forward results in forward machine travel, while pulling it rearward reverses the machine. Simply tilt the PCCS lever to the left to make a left turn. Tilt it to the right for a right turn. Hydrostatic steering system (HSS) is powered by steering planetary units and an independent hydraulic pump and motor. Counter-rotation turns are also available. Wet, multiple-disc, pedal-controlled service brakes are spring-actuated and hydraulically released. Gearshift lock lever also applies parking brakes. |
| Minimum turning radius (in) | 84 |
| Minimum turning radius (m) | 2.14 |
| Hydraulic system features | Closed-Center Load Sensing System (CLSS) designed for precise and responsive control, and for efficient simultaneous operation. |
| Hydraulic control unit (U.S. gal/min) | All spool control valves externally mounted beside the hydraulic tank. Variable piston pump with capacity (discharge flow) of 85.9 US gal for steering and 47.6 US gal for implement at rated engine rpm. |
| Hydraulic control unit (ltr/min) | All spool control valves externally mounted beside the hydraulic tank. Variable piston pump with capacity (discharge flow) of 325 L/min for steering and 180 L/min for implement at rated engine rpm. |
| Relief valve setting (kg/cm^2) | 280 - 390 |
| Relief valve setting (psi) | 3,980 - 5,550 |
| Relief valve setting (MPa) | 27.5 - 38.2 |
| Blade lift | Raise, hold, lower, and float |
| Blade tilt | Right, hold, and left |
| Ripper lift | Raise, hold, and lower |
| Blade tilt /1 (in) | 6.3 |
| Blade tilt /1 (mm) | 160 |
| Blade lift / 2 (mm) | 110 |
| Blade lift / 2 (in) | 4.33 |
| Lubricated tracks | Lubricated tracks. Unique dust seals for preventing entry of foreign abrasives into pin-to-bushing clearance for extended service. Track tension easily adjusted with grease gun. |
| Torque converter, transmission, bevel gear, and steering system (US gal) | 23.8 |
| Torque converter, transmission, bevel gear, and steering system (L) | 90 |
| Transmission features | Komatsu's automatic TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase, torque converter with lockup clutch, and a planetary gear, multipledisc clutch transmission which is hydraulically actuated and force-lubricated for optimum heat dissipation. Equipped with gearshift lock lever and neutral safety switch. |
| 1st torqflow forward (kph) | 3.8 |
| 1st torqflow forward (mph) | 2.4 |
| 2nd torqflow forward (kph) | 5.6 |
| 2nd torqflow forward (mph) | 3.5 |
| 3rd torqflow forward (kph) | 11.6 |
| 3rd torqflow forward (mph) | 7.2 |
| 3rdL torqflow forward (kph) | 7.5 |
| 3rdL torqflow forward (mph) | 4.7 |
| 1st torqflow reverse (kph) | 4.6 |
| 1st torqflow reverse (mph) | 2.9 |
| 2nd torqflow reverse (kph) | 6.8 |
| 2nd torqflow reverse (mph) | 4.2 |
| 3rd torqflow reverse (kph) | 14 |
| 3rd torqflow reverse (mph) | 8.7 |
| 3rdL torqflow reverse (kph) | 9.2 |
| 3rdL torqflow reverse (mph) | 5.7 |
| Damper case (L) | 1.5 |
| Damper case (US gal) | 0.4 |
| Multi-shank ripper (L) | 37 |
| Multi-shank ripper (US gal) | 9.8 |
| Ripper tilt | Increase, hold and decrease |
| Ripper lift (in) | 7.09 |
| Hydraulic oil tank (US gal) | 25.1 |
| Ripper lift (mm) | 180 |
| Ripper tilt (in) | 7.87 |
| Hydraulic oil tank (L) | 95 |
| Ripper tilt (mm) | 200 |
| Grant ripper (US gal) | 9.8 |
| Grant ripper (L) | 37 |
| Ground pressure (kPa) | 99.5 |
| Ground pressure (kg/cm^2) | 1.01 |
| Ground pressure (psi) | 14.4 |
