Komatsu WA1200-3, Брошюра

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Static tipping load and operating weight shown include lubricants, coolant, full fuel tank, ROPS cab, front and rear fenders, and operator. Machine stability and
operating weight are affected by counterweight, tire size, and other attachments. All dimensions, weights, and performance values based on SAE J732c and
J742b standards.
* Turning radius measured with bucket at carry position, outside corner of bucket.
DIMENSIONS
Standard Boom, 20.0 m 3 26.2 yd 3 High Lift Boom, 18.0 m 3 23.5 yd 3
Bucket Spade Nose Rock With Teeth Spade Nose Rock With Teeth
Bucket capacity SAE rated 20.0 m 3 26.2 yd 3 18.0 m 3 23.5 yd 3
Struck 17.2 m 3 22.5 yd 3 15.0 m 3 19.6 yd 3
Bucket width 6400 mm 21'0" 6400 mm 21'0"
Bucket width with tire protector 6550 mm 21'6" 6550 mm 21'6"
Bucket weight 23840 kg 52,560 lb 23170 kg 51,080 lb
Static tipping loads Straight 55.5/80-57 tire 119800 kg 264,100 lb 106800 kg 235,454 lb
65/65-57 tire 123800 kg 272,900 lb 110300 kg 243,200 lb
Full turn (40°) 55.5/80-57 tire 104800 kg 231,000 lb 93500 kg 206,100 lb
65/65-57 tire 107700 kg 237,400 lb 96000 kg 211,600 lb
Dump clearance, maximum
height and 45° dump angle
55.5/80-57 tire 6285 mm 20'7" 7005 mm 23'0"
(tooth end measure)
65/65-57 tire 6350 mm 20'10" 7070 mm 23'2"
Reach at maximum height
and 45° dump angle
55.5/80-57 tire 2970 mm 9'9" 3045 mm 10'0"
(tooth end measure)
65/65-57 tire 2905 mm 9'6" 2980 mm 9'9"
Height to hinge pin Fully raised 55.5/80-57 tire 8830 mm 29'0" 9480 mm 31'1"
65/65-57 tire 8895 mm 29'2" 9545 mm 31'4"
Operating height Fully raised 55.5/80-57 tire 11865 mm 38'11" 12410 mm 40'9"
65/65-57 tire 11930 mm 39'2" 12475 mm 40'11"
Overall length Bucket ground 18200 mm 59'9" 18840 mm 61'10"
Turning radius* 14330 mm 47'0" 14700 mm 48'3"
Digging depth 0° 55.5/80-57 tire 290 mm 11.4" 260 mm 10.2"
65/65-57 tire 175 mm 6.9" 195 mm 7.7"
10° 55.5/80-57 tire 785 mm 30.9" 780 mm 30.7"
65/65-57 tire 720 mm 28.3" 715 mm 28.1"
Breakout force 1274 kN 1236 kN
(bucket cylinder) 130000 kg 286,600 lb 126000 kg 277,782 lb
Operating weight 55.5/80-57 tire 205200 kg 452,390 lb 208300 kg 459,200 lb
65/65-57 tire 210200 kg 463,400 lb 213300 kg 470,200 lb
14330 mm
47'0" [
14700 mm
48'3"]
4585 mm 15'1"
50˚
7100 mm 23'4"
18200 mm 59'9" [ 18840 mm 61'10"]
[ ] High Lift Boom
650 mm
785 mm
30.9"
6285 mm
20'7" [
7005 mm
23'0"]
8830 mm
29'0" [
9480 mm
31'1"]
4300 mm
14'1"
11865 mm
38'11" [
12410 mm
40'9"]
10˚
6865 mm
22'6"
2970 mm 9'9"
45˚
64˚
5710 mm
18'9"
6550 mm
21'6"
6400 mm
21'0"
40˚
40˚
12015 mm
39'5"
5
5
.5
/8 0-57-6
8
P
R
5
5
.5
/8 0-57-6
8
P
R
2'2"
[ 3045 mm 10'0"]
[
780 mm
30.7"]
WA1200-3
WHEEL LOADER
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cummins QSK60
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle
Aspiration . . . . . . . . . . . . . . . . . . . . . . Turbocharged and aftercooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bore x stroke . . . . . . . . . . . . . . . . .
159 mm x 190 mm 6.26" x 7.48"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . 60.2 ltr 3,674 in 3
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic fuel control
Horsepower rating @ 1900 rpm
Gross power. . . . . . . . . . . . . . . . . . . . . . . . . . . 1280 kW 1715 HP
Flywheel/net power . . . . . . . . . . . . . . . . . . . . . 1165 kW 1560 HP
Meets 2000 EPA emissions regulations.
Fuel system . . . . . . . . . . . . . . . . . . . . . High pressure direct injection
Lubrication system
Method . . . . . . . . . . . . . . . . . . . . . Screw pump, forced lubrication
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flow
Air cleaner . . . . . . . . . Dry-type with double elements and automatic
dust evacuation with dust indicator on monitor
TRANSMISSION
Torque converter . . . . . . . . . . . 3-element, single-stage, single-phase
Transmission . . . . . . . . . . . . . . . . . . . Full power shift, planetary gear
with modulated clutch
*Measured with 55.5/80-57 68PR (L5) tires
AXLES AND FINAL DRIVES
Drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Four-wheel drive
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fixed, full floating
Rear . . . . . . . . . . . . . . . . . . . . . . . Center pin support, full floating
20° total oscillation
Reduction gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spiral bevel gear
Differential gear . . . . . . . . . . . . . . . . . . . . . . . . . . Straight bevel gear
Final reduction gear. . . . . . Planetary gear, double reduction, oil bath
BRAKES
Service brakes: Hydraulically-actuated, wet, multi-disc brakes
actuated on four wheels.
Parking brake: Wet, multi-disc, hydraulically-released, spring
applied in the transmission.
STEERING SYSTEM
Type . . . . . . . . . . . . . . . . . Articulated, fully-hydraulic power steering
Articulation angle . . . . . . . . . . . . . . . . . . . . . . . . . 40° each direction
Turning radius outside corner of bucket and teeth . . .
14330 mm 47'0"
BUCKET CONTROLS
Control positions
Boom . . . . . . . . . . . . . . . . . . . . . . . . . Raise, hold, lower, and float
Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . Tilt-back, hold, and dump
HYDRAULIC SYSTEM
Rated capacity (discharge flow) @1900 engine rpm
Loader pump . . . . . . . . . . . . . . . . . . . . . .
1045 ltr/min 276 gal/min
Steering pump . . . . . . . . . . . . . . . . . . . . . . 650 ltr/min 172 gal/min
Switch pump . . . . . . . . . . . . . . . . . . . . . . . 650 ltr/min 172 gal/min
Relief valve setting . . . . . . . . . . . . . . 31.4MPa 320 kg/cm 2 4,550 psi
Control valves . . . . . . . . . . . . A double spool closed-center hydraulic
valve and a steering valve combined with
a demand valve to provide optimum flow.
S
PECIFICATIONS
S
PECIFICATIONS
Hydraulic cycle time (rated load in bucket): Total 21.5 sec
Raise… 13.5 sec /Dump… 3.0 sec /Lower (empty)… 5.0 sec
SERVICE REFILL CAPACITIES
Cooling system . . . . . . . . . . . . . . . . . . . . . . . 500 ltr 132 U.S. gal
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . 5100 ltr 1,347 U.S. gal
Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 ltr 69 U.S. gal
Hydraulic system . . . . . . . . . . . . . . . . . . . . . 1200 ltr 317 U.S. gal
Differential, final drive (each axle). . . . . . . . . . 670 ltr 177 U.S. gal
Torque converter and transmission . . . . . . . . 350 ltr 92 U.S. gal
Brake oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ltr 12 U.S. gal
Brake cooling. . . . . . . . . . . . . . . . . . . . . . . . . 270 ltr 71 U.S. gal
TIRES
Select proper tires based on job requirements.
Standard rim size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.00-57
Standard tire size . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5/80-57 68PR
Travel Speed* Forward Reverse
1st 6.3 km/h 3.9 mph 7.4 km/h 4.6 mph
2nd 11.5 km/h 7.1 mph 13.4 km/h 8.3 mph
3rd 19.8 km/h 12.3 mph 22.6 km/h 14.0 mph
Hydraulic Number of
Cylinders Cylinders Bore Stroke
Boom 2 360 mm 14.2" 1835 mm 72.2"
Bucket 2 300 mm 11.8" 1025 mm 40.4"
Steering 2 225 mm 8.9" 660 mm 26.0"
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