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Model    Komatsu SAA6D125E-5 
Type    Water-cooled, 4-cycle 
Aspiration    Turbo-charged, after-cooled, cooled EGR 
Number of cylinders   
Bore  4.92"  125 mm 
Stroke  5.91"  150 mm 
Piston displacement  674 in  11.04 ltr 
Horsepower :     
SAE J1995  340 HP  254 kW 
ISO 9249 / SAE J1349  329 HP  246 kW 
Rated rpm    2000 rpm 
Fan drive type    Mechanical 
Maximum torque  1,259 lb. ft  174 kgm 
Fuel system    Direct injection 
Governor    Electronically controlled 
Lubrication system:     
Method    Gear pump, force-lubrication 
Filter    Full-flow type 
Air cleaner    Dry type with double elements and precleaner (cyclopack type), plus dust indicator 
EPA Tier 3 certified     
Torque converter    3-elements, 1-stage, 2-phase 
Transmission    Full-automatic, counter-shaft type 
Speed range    6 speeds forward and 2 reverse 
Lockup clutch    Wet, single-disc clutch 
Forward    Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears 
Reverse    Torque converter drive and direct drive in all gear 
Shift control    Electronic shift control with automatic clutch modulation in all gear 
Maximum travel speed  36.4 mph  58.6 km/h 
Full time all wheel drive with limited slip differential in all axles.     
Final drive type    Planetary gear 
Differential    3.154 
Planetary    4.667 
Suspension System   
Front    Hydro-pneumatic suspension 
Rear    Combined hydro-pneumatic and rubber suspension system 
Steering System   
Type    Articulated type, fully hydraulic power steering with two double-acting cylinders 
Supplementary steering    Automatically actuated, electrically powered 
Minimum turning radius, wall to wall  26'1"  7.96 m 
Articulation angle    45 each direction 
Service brakes    Full-hydraulic control, oil-cooled multiple-disc type 
Parking brake    Spring applied, caliper disc type 
Retarder    Front and center axle brakes act as retarder 
Main Frame   
Type    Articulated type, box-sectioned construction on front and rear 
    Connected by strong torque tubes. 
Struck  16.9 yd³  12.9 m³ 
Heaped (2:1, SAE)  21.7 yd³  16.6 m³ 
Payload  30.1 U.S. tons  27.3 metric tons 
Material - High tensile strength steel  184,925 psi  130 kg/mm² 
Material thickness:     
Bottom  0.55"  14 mm 
Front  0.31"  8 mm 
Sides  0.47"  12 mm 
Target area - (inside length x width)  17'2" x 8'10"  5240 mm x 2685 mm 
Heating    Exhaust heating (optional) 
Hydraulic System   
Hoist cylinder    Twin, 2-stage telescopic type 
Relief pressure  2,990 psi  210 kg/cm² / 20.6 Mpa 
Hoist time    12 sec 
Dimensions comply with ISO 3471 and SAE J1040-1988c ROPS (Roll-Over Protective Structure) standards. 
Weight (approximate)   
Empty weight  53,000 lb  24,040 kg 
Gross vehicle weight  113,360 lb  51,420 kg 
Weight distribution:     
Front axle    55.8% 
Center axle    23.6% 
Rear axles    20.6% 
Front axle    30.3% 
Center axle    35.5% 
Rear axles    34.2% 
Standard tire    23.5 R25 
Service Refill Capacities   
Fuel tank  101.5 U.S. Gal  384 ltr. 
Engine oil  9.8 U.S. Gal  37 ltr. 
Torque converter, transmission and retarder cooling  20.5 U.S. Gal  77.5 ltr. 
Differentials (total)  16.8 U.S. Gal  63.5 ltr. 
Final drives (total)  6.3 U.S. Gal  24 ltr. 
Hydraulic system  31.7 U.S. Gal  120 ltr. 
Suspension (total)  2.7 U.S. Gal  10.4 ltr. 

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