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Komatsu Trucks HM300-5

Komatsu Trucks HM300-5
HM300-5 Articulated Truck

The 30.9 ton capacity HM300-5 is powered by a Tier 4 final Komatsu engine. A Komatsu Traction Control System along with two working modes and a standard payload meter (PLM) provide the operator with the tools needed to complete the job efficiently and profitably even in the most severe underfoot conditions. A heated, center located air suspension operator seat, a forward facing training seat, separate rear view monitor, and large LED multi-language monitor ensure the operator is working productively in comfort throughout a full shift.

Engine
Model Komatsu SAA6D125E-6*
Type Water-cooled, 4-cycle
Aspiration Turbo-charged, after-cooled, cooled EGR
Number of cylinders 6
Bore 125 mm 4.92"
Stroke 150 mm 5.91"
Piston displacement 11.0 ltr 671 in3
Horsepower :
SAE J1995 248 kW 332 HP
ISO 9249 / SAE J1349 242 kW 324 HP
Rated rpm 2000 rpm
Fan drive type Hydraulic driven
Maximum torque 171 kg-m 1,237 ft lbs
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, plus dust indicator
*EPA Tier 4 Final emissions certified
Transmissions
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 58.6 km/h 36.4 mph
Axles
Full time all wheel drive with Komatsu Traction Control System (K-TCS)
Final drive type Planetary gear
Ratios:
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
Standard ISO5010, SAE J1511
Minimum turning radius, wall to wall 8.10 m 26'7"
Articulation angle 45° each direction
Cab
Standard ISO3449 (FOPS)
ISO3471 (ROPS)
Brakes
Service brakes Full-hydraulic control, oil-cooled multiple-disc type on front and center axles
Standard ISO3450
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.
Body
Capacity:
Struck16.9 13.4 m3 17.5 yd3
Heaped (2:1, SAE) 17.1 m3 22.4 yd3
Payload 28.0 metric tons 30.9 U.S. tons
Material - high tensile strength steel 130 kg/mm2 184,925 psi
Material thickness:
Bottom 14 mm 0.55"
Front 8 mm 0.31"
Sides 12 mm 0.47"
Target area - (inside length x width) 5250 mm x 2685 mm 17'3" x 8'10"
Heating Exhaust heating (optional)
Hydraulic System
Hoist cylinder Twin, telescopic type
Relief pressure 300 kg/cm2 / 29.4 Mpa 4264 psi
Hoist time 10.5 sec
Weight (approximate)
Empty weight 25,395 kg 55,986 lbs
Gross vehicle weight 53,475 kg 117,892 lbs
Weight distribution:
Empty:
Front axle 58.9%
Center axle 22.5%
Rear axles 18.6%
Loaded:
Front axle 30.8%
Center axle 36.0%
Rear axles 33.2%
Tires
Standard tire 23.5 R25
Service Refill Capacities
Fuel tank 388 ltr 102.5 U.S. gal
DEF tank 32.8 ltr 8.7 U.S. gal
Engine oil 35 ltr 9.2 U.S. gal
Torque converter, transmission and retarder cooling 80 ltr 21.1 U.S. gal
Differentials (total) 71.5 ltr 18.9 U.S. gal
Final drives (total) 23 ltr 6.1 U.S. gal
Hydraulic system 103 ltr 27.2 U.S. gal
Suspension (total) 10.4 ltr 2.7 U.S. gal

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