Komatsu-Haulpak 830E
DC
Dump Truck 830E adalah salah satu Ultra class
dump truck yang di design untuk digunakan
pada open pit mining. Pada awalnya dump truck
ini built in Peoria, Illinois oleh Komatsu
America Corp, yang mempunyai induk
perusahaan di Jepang yaitu Komatsu Ltd.
Spesifikasi:
ENGINE
Make and model . . . . . . . . . . . . . . . . . . . . . . Komatsu SDA16V160
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diesel
Number of cylinders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Operating cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 cycle
**Rated brake power . . . . . . . . . . . 1865 kW 2,500 HP @ 1900 rpm
***Flywheel power . . . . . . . . . . . . . 1761 kW 2,360 HP @ 1900 rpm
Weight (wet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9608 kg 21,182 lb
AC/DC CURRENT
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G.E. GTA-26
Dual impeller in-line blower . . . . . . . . . . . . 255 m3/min 9,000 cfm
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Statex III Fuelsaver
*Motorized wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G.E. 787
*Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.875:1
Speed (maximum). . . . . . . . . . . . . . . . . . . . . . 48.8 kph 30.3 mph
TIRES AND RIMS
Rock service, tubeless, tires (bias ply or radial)
*Standard tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40.00 R57
Standard five (5) piece rim
737 mm x 1488 mm x 152 mm 29” x 57” x 6” patented Phase II
New Generation rim assembly with patented 152 mm 6” double
forged flanges. Not interchangeable with other manufacturers’ rims
due to improved design for greater load support and longer fatigue
life. Rated at 827 kPa 120 psi cold inflation pressure.
Typical tire weight . . . . . . . . . . . . . . . . . . . . . . . . .21081 kg 46,476 lb
SUSPENSION
HYDRAIR® II
Variable rate hydro-pneumatic with integral rebound control.
Max. front stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 mm 13.2”
Max. rear stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 279 mm 11.0”
Max. rear axle oscillation . . . . . . . . . . . . . . . . . . . . . . . . . . . ±10.3º
BRAKING SYSTEM
Service brakes: all-hydraulic actuated
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wheel speed disc.
Three calipers on a 1213 mm 47.75″ O.D. disc.
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dual disc armature speed.
Two 635 mm 25″ O.D. discs per side.
One caliper per disc.
Emergency brakes . . . . . . . . . . . . . . . . . . .Automatically applied prior
to hydraulic system pressure dropping below level
required to meet secondary stopping requirements.
Wheel brake locks . . . . . . . . . . . . . . . . . . . . . . . . . . . .Switch-activated
Parking brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spring-applied,
hydraulically released, with speed application protection.
Electric dynamic retarder (max.) . . . . . . . . . . . . . . .2983 kW 4000 hp
Continuously rated blown grids. Two-speed overspeed retarding.
Extended range retarding. Reverse retarding.
COOLING SYSTEM
L&M radiator assembly with sight gauge. Deaeration-type
top tank. Dual pass cooling.
Radiator frontal area. . . . . . . . . . . . . . . . . . . . . . . . 6.24 m2 67.2 ft2
SERVICE CAPACITIES
Cooling system . . . . . . . . . . . . . . . . . . . . . . . .568 L 150 U.S. gal
*Crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . .280 L 74 U.S. gal
Hydraulic system . . . . . . . . . . . . . . . . . . . . . . .946 L 250 U.S. gal
Motor gear box . . . . . . . . . . . . . . . . . . . . . . . . .40 L 10.5 U.S. gal
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4542 L 1200 U.S. gal
BODY
All-welded steel flat floor body with horizontal bolsters and full canopy.
Rear wheel rock ejectors, body up cable, and rubber mounts on frame
are standard. Pivot exhaust heating optional.
Floor sheet . . . . . . . . . . . . . . 19 mm 0.75” 1379 mPa 200,000 psi
tensile strength steel (two-piece)
Front sheet . . . . . . . . . . . . . . 12 mm 0.47” 1379 mPa 200,000 psi
tensile strength steel
Side sheet . . . . . . . . . . . . . . . 8 mm 0.31” 1379 mPa 200,000 psi
tensile strength steel
Canopy sheet . . . . . . . . . . . . . . 5 mm 0.19” 690 mPa 100,000 psi
Struck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 m3 153 yd3
Standard SAE heaped 2:1 . . . . . . . . . . . . . . . . . . . 147 m3 193 yd3
Standard Komatsu body weight . . . . . . . . . . . .27669 kg 61,000 lb
FRAME
Advanced technology, full butt-welded box-sectional
ladder-type frame with integral ROPS supports, integral
front bumper, rear tubular cross members, steel castings
at all critical stress transition zones, rugged continuous
horsecollar.
Plate material . . . . . . . . . . . . . . . . . . . . . . . . 482.6 mPa 70,000 psi
tensile strength steel
Casting material . . . . . . . . . . . . . . . . . . . . . . 620.5 mPa 90,000 psi
tensile strength steel
Rail width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305 mm 12”
Rail depth (minimum). . . . . . . . . . . . . . . . . . . . . . . . . . 864 mm 34”
Top and bottom plate thickness . . . . . . . . . . . . . . . . . 32 mm 1.25”
Side plate thickness . . . . . . . . . . . . . . . . . . . . . . . . . . 16 mm 0.62”
Drive axle mounting . . . . . . . . . . . . . . . . Pin and spherical bushing
Drive axle alignment . . . . . . . . . . . Swing link between frame and axle
HYDRAULIC SYSTEM
Steering . . . . . . . . . . . . Accumulator-assisted twin cylinders provide
constant rate steering. Emergency steering
automatically supplied by accumulator.
Turning circle diameter (SAE). . . . . . . . . . . . . . . . . . . . . 28.4 m 93 ft
Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 901 L 238 U.S. gal
Filtration. . . . . . . . . . . . . . . . . . . . . . . . . In-line replaceable elements
Suction . . . . . . . . . . . . . . . . . . . . . . . . . Single, full-flow, 100 mesh
Hoist and steering . . . . . . . . . . . . . . . Dual, in-line, high-pressure.
Brake component cabinet. . . . . . . . . . Above-deck, easily accessible
with diagnostic test connections.
Hoist . . . . . . . . . . . . . . . Two 3-stage dual-acting outboard cylinders,
internal cushion valve, over-center damping.
Hoist times
Power-up loaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 sec
Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 sec
Float-down empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 sec
Pumps
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tandem gear-type pump
with output of 851 lpm 225 gpm@1900 rpm
and 17240 kPa 2,500 psi
Steering and brake . . . . . . . Pressure compensating piston pump
with output of 246 lpm 65 gpm
@ 1900 rpm and 18961 kPa 2,750 psi
System relief pressures
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17240 kPa 2,500 psi
Steering and Brake . . . . . . . . . . . . . . . . . . . . 27580 kPa 4,000 psi
Quick disconnects standard for powering disabled truck
and for system diagnostics.
ELECTRICAL SYSTEM
4 x 8D 1450 CCA, 12 volt batteries, in series/parallel,deck-mounted
with disconnect switch.
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 volt, 260 amp
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 volt
Cranking motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . two/24 volt
WEIGHT DISTRIBUTION
Empty vehicle weight (wet, 100% fuel, no options, std Komatsu body, std tires)
Front axle . . . . . . . . . . . . . . . 81823 kg . . . . 180,387 lb 50%
Rear axle . . . . . . . . . . . . . . . 80682 kg . . . . 177,872 lb 50%
Total EVW . . . . . . . . . . . . . 162505 kg . . . . 358,259 lb
Gross vehicle weight (Nominal)
Front axle . . . . . . . . . . . . . . 127330 kg . . . . 280,715 lb 33%
Rear axle . . . . . . . . . . . . . . 258521 kg . . . . 569,936 lb 67%
Total . . . . . . . . . . . . . . . . . . 385852 kg . . . . 850,650 lb
Nominal payload* . . . . . . . . 223347 kg . . . . 492,391 lb
Penggerak Mula Komatsu-Haulpak 830E DC
1. Alternator
2. Hydraulic system
3. Motor gear box