Komatsu HD1500-7

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Features

The HD1500 has a capacity of 159 tons or 102 yd3. The fully automatic seven speed transmission with lock-up and skip-shift give the operator the speed and response he needs to meet production demands. On down hills, the operator has oil cooled multi-disc retarder and brakes to control his fully loaded truck. A tight turning radius and hydropneumatic suspension make the HD1500-7 very maneuverable in tight quarters and provide a cushioned ride for better load retention and more comfortable ride.

Specifications

Engine    
     
Model   Komatsu SDA12V160
Type   Water-cooled, 4-cycle
Aspiration   Turbo-charged, after-cooled
Number of cylinders   12
Bore x Stroke 6.26" x 7.48" 159 mm x 190 mm
Piston displacement 2,746 in³ 45 ltr
Horsepower:    
SAE J1995 / Gross 1,487 HP 1109 kW
ISO 9249 / SAE J1349 / Net 1,406 HP 1048 kW
Rated rpm   1,900 rpm
Fan drive type   Mechanical
Maximum torque 5,041 lb ft 697 kg•m
Fuel system   Direct injection
Governor   Electronic control
Lubrication system:    
Method   Gear pump, force-lubrication
Filter   Full-flow type
Air cleaner   Dry type with double elements and pre-cleaned, with dust indicator
Transmission    
     
Torque converter   3-elements, 1-stage, 2-phase
Transmission   Full-automatic, planetary-shaft type
Speed range   7 speeds forward and 1 reverse
Lockup clutch   Wet, multiple-disc clutch
Forward   Torque converter drive 1st and 2nd gear with direct drive lock-up in 1st through 7th
Reverse   Torque converter drive
Shift control   Electronic shift control with automatic clutch modulation in all gears
Maximum travel speed 36 mph 58 km/h
Axles    
     
Rear axles Full-floating  
Final drive type Planetary gear  
Ratios:    
Differential 2.647  
Planetary 7.235  
Suspension System    
     
Variable rate, hydropneumatic with integral rebound control.    
Maximum front stroke 14.76'' 375 mm
Maximum rear stroke 4.17" 106 mm
Rear axle oscillation   +/-9.2°
     
Steering System    
     
Type   Fully hydraulic power steering with two double-acting cylinders
Supplementary steering   Accumulator assist
Minimum turning radius 40' 12.2 m
Steering angle (left or right)   41°
Brakes    
     
Brakes meet ISO 3450 standard.    
Service brakes:    
Front   Fully hydraulic control, oil-cooled multiple-disc type
Rear   Fully hydraulic control, oil-cooled multiple-disc type
Parking brake   Spring applied, oil-released, 3 caliper dry disc mounted on input yoke to differential
Retarder   Oil-cooled, multiple-disc front and rear brakes act as retarder
Secondary brake   Manual - push button operated.
Automatically applied prior to hydraulic system pressure dropping below established level.    
Braking surface 24,668 in² 159148 cm³
Body    
     
Capacity:    
Struck 71 yd³ 54 m³
Heaped (2:1, SAE) 102 yd³ 78 m³
Nominal payload 158.9 U.S. tons 144.1 metric tons
Material   400 Brinell hardness high tensile strength steel (front, sides, and bottom)
Structure   Flat floor configuration
Material thickness:    
Bottom 0.75" 19 mm
Front 0.47" 12 mm
Sides 0.35" 9 mm
Target area (inside length x width) 25'2"x 18'9" 7670 mm x 5705 mm
Dumping angle   45°
Height at full dump 37'6" 11440 mm
Heating   Exhaust heating
Hydraulic System    
     
Hoist cylinder   Two, 3-stage telescopic type
Relief pressure 2,750 psi 19.0 MPa 193.4 kg/cm²
Hoist time:    
Raise   15 sec
Lower   15 sec
Weight (approximate)    
     
Empty weight 232,144 lb 105300 kg
Max. gross vehicle weight 550,000 lb 249478 kg
Not to exceed max. gross vehicle weight, including options, fuel and payload.    
Empty weight is with 100% fuel and operator.    
Weight distribution:    
Empty:    
Front axle   48.60%
Rear axle   51.40%
Loaded:    
Front axle   32.80%
Rear axle   67.20%
Tires    
     
Standard tire - 33.00 R51    
     
Service Refill Capacities    
     
Fuel tank 560 U.S. gal 2120 ltr
Engine oil 51 U.S. Gal 193 ltr
Hydraulic system 238 U.S. gal 900 ltr
Differential 78 U.S. gal 297 ltr
Final drives (total) 63.5 U.S. gal 240 ltr
Transmission 40.5 U.S. gal 153 ltr

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