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Model    Komatsu SAA6D170E-5 
Type    Water-cooled, 4-cycle 
Aspiration    Turbo-charged, air-to-air after-cooled, cooled EGR 
Number of cylinders   
Bore x stroke  6.69" x 6.69"  170 mm x 170 mm 
Piston displacement  1,413 in  23.15 ltr 
SAE J1995  739 HP  551 kW 
ISO9249/SAE J1349  715 HP  533 kW 
Rated rpm.    2000 rpm 
Fan drive type    Mechanical 
Maximum torque  2,452 lb. ft  339 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 (cyclonpack type), plus dust indicator 
EPA Tier 3 and EU Stage 3A emission certified.     
Torque converter    3-elements, 1-stage, 2-phase 
Transmission    Full-automatic, planetary type 
Speed range    7 speeds forward and 1 reverse 
Lockup clutch    Wet, multiple-disc clutch 
Forward    Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears 
Reverse    Torque converter drive 
Shift control    Electronic shift control with automatic clutch modulation in all gears 
Maximum travel speed  43.5 mph  70.0 km/h 
Rear Axle    Full-floating 
Final drive type    Planetary gear 
Differential    3.538 
Planetary    4.737 
Suspension System   
Independent, hydropneumatic suspension cylinder with fixed throttle to dampen vibration. 
Effective cylinder stroke (front suspension)  11.9"  303 mm 
Rear axle oscillation:     
Oil stopper    6.8 
Mechanical stopper    7.7 
Steering System   
Type    Fully hydraulic power steering with two double-acting cylinders 
Supplementary steering    Manually controlled (meets ISO 5010, SAE J1511 and SAE J53) 
Minimum turning radius  27'11"  8.5 m 
Maximum steering angle (outside tire)    39 
Dimensions comply with ISO 3471 and SAE J1040-1988c ROPS (Roll-Over Protective Structure) standards. 
Main Frame   
Type    Box-sectioned structure 
Brakes meet ISO J3450 and SAE J1473 standards. 
Service brakes:     
Front    Full-hydraulic control, caliper disc type 
Rear    Full-hydraulic control, oil-cooled multiple-disc type 
Parking brake    Spring applied, multiple-disc type 
Retarder    Oil-cooled, multiple-disc rear brakes act as retarder. 
Secondary brake    Manual pedal operation. When hydraulic pressure drops below the rated level, parking b rake is automatically actuated. 
Brake surface:     
Front  300 in  1936 cm 
Rear  9,956 in  64230 cm 
Struck  32.7 yd³  25.0 m³ 
Heaped (2:1, SAE)  44.7 yd³  34.2 m³ 
Payload  61 U.S. tons  55 metric tons 
Material (high tensile strength steel)  184,900 psi  130 kg/mm² 
Structure    V-shape body with V-bottom 
Material thickness:     
Bottom  0.75"  19 mm 
Front  0.47"  12 mm 
Sides  0.35"  9 mm 
Target area: (inside length x width)  21'2" x 12'8"  6450 mm x 3870 mm 
Dumping angle    48 
Height at full dump  28'10"  8800 mm 
Heating    Exhaust heating 
Hydraulic System   
Hoist cylinder    Twin, 2-stage telescopic type 
Relief pressure  2,990 psi  210 kg/cm²
20.6 MPa 
Hoist time    11.5 sec 
Weight (approximate)   
Empty weight  95,020 lb  43100 kg 
Max. gross vehicle weight:     
Standard tire (Not to exceed max. gross vehicle weight, including options, fuel and payload)  219,760 lb  99680 kg 
Weight distribution:     
Front axle    47% 
Rear axles    53% 
Front axle    32% 
Rear axles    68% 
Standard tire    24.00-35-36PR 
Service Refill Capacities   
Fuel tank  206.1 U.S. Gal  780 ltr. 
Engine oil  21.1 U.S. Gal  80 ltr. 
Torque converter, transmission and retarder cooling  56.8 U.S. Gal  215 ltr. 
Differential  25.1 U.S. Gal  95 ltr. 
Final drives (total)  11.1 U.S. Gal  42 ltr. 
Hydraulic system  32.2 U.S. Gal  122 ltr. 
Suspension (total)  14.7 U.S. Gal  55.6 ltr. 

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