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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
