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CATERPILLAR - WHEEL LOADERS



CATERPILLAR 994K




TECHNICAL DATA AND PHOTOS



Model: 994K
Manufacturer: CATERPILLAR
Type: large wheel loader



OPERATING SPECIFICATION

Operating weight (with 58/85-57 tires):

Standard lift: 238 466 kg (525,727 lb) - 240 554 kg (530,329 lb)

High lift: 239 693 kg (528,432 lb) - 241 781 kg (533,034 lb)

Rated payload standard: 40.8 tonnes (45 tons)
Rated payload high lift: 38.1 tonnes (42 tons)

Bucket capacity range: 19.1-24.5 m3 (25-32 yd3)
Iron ore: 17.2 m3 (22.3 yd3)
Rock: 19.1-24.5 m3 (25-32 yd3)
Coal: 32.1-39.7 m3 (42-52 yd3)


ENGINE

Model: Cat 3516E
Type: V 16, 4-stroke diesel engine.
Rated speed: 1,600 rpm
Gross power - ISO 14396: 1377 kW (1,847 hp)
Gross power - SAE J1995: 1394 kW (1,870 hp)
Net power SAE J1349:
Standard ambient: 1297 kW (1,739 hp)
High ambient: 1265 kW (1,696 hp)
Displacement: 78.1 L (4,766 in3) Bore: 170 mm (6.69 in)
Stroke: 215 mm (8.47 in)
Number of cylinders: 16
Peak torque at 1,200 rpm SAE J1995: 11 591 Nm (8,549 lbf-ft)
Torque rise: 39%
Emissions: Tier 1/Stage I equivalent


HYDRAULIC SYSTEM Lift/Tilt

Lift/tilt system: Circuit - positive flow control
Lift/tilt system: Pump - variable displacement piston
Maximum flow at 1,700 rpm engine speed: 2047 ltr/min (541 gal/min)
Relief valve setting Lift/Tilt: 32 500 kPa (4,587 psi)
Cylinders, double acting:
Lift cylinder bore: 370 mm (14.6 in)
Lift cylinder stroke: 1713 mm (67.4 in)
Tilt cylinder bore: 310 mm (12.2 in)
Tilt cylinder stroke: 1086 mm (42.8 in)


HYDRAULIC CYCLE TIME
(empty bucket)

Rack back: 4.9 seconds
Raise: 12.6 seconds
Dump: 3.1 seconds
Lower float down: 4.2 seconds
Total hydraulic cycle time: 23.5 seconds


SERVICE REFILL CAPACITIES

Cooling system: 520 L (137.5 gal)
Engine crankcase: 288 L (76 gal)
Transmission: 416 L (110 gal)
Differentials and final drives front: 833 L (220 gal)
Differentials and final drives rear: 757 L (200 gal)
Hydraulic tank (implement and hydraulic fan): 1022 L (270 gal)
Hydraulic tank (steering and braking): 379 L (100 gal)
Oil renewal system (ORS): 75.7 L (20 gal)
Fuel tank (standard): 3445 L (910 gal)
Fuel tank (with 24 hr attachment): 5678 L (1500 gal)


SOUND PERFORMANCE

Operator sound level (ISO 6396)
Standard: 72 dB(A)
Suppression: 71 dB(A)

Machine sound level (ISO 6396)
Standard: 119 dB(A)
Suppression: 117 dB(A)

The machine sound power level is 119 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

The machine sound power level is 117 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the sound suppressed machine configuration. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.


TRANSMISSION
Transmission type: CAT planetary power shift

Speeds:
Travel speeds based on 58/85-57 tires.

Forward 1: 7.4 km/h (4.6 mph)
Forward 2: 12.9 km/h (8.0 mph)
Forward 3: 21.9 km/h (13.6 mph)

Reverse 1: 8.1 km/h (5.0 mph)
Reverse 2: 14.1 km/h (8.8 mph)
Reverse 3: 24.0 km/h (14.9 mph)

Direct Drive:

Forward 1: lock-up disables
Forward 2: 14.0 km/h (8.7 mph)
Forward 3: 24.5 km/h (15.2 mph)

Reverse 1: lock-up disables
Reverse 2: 15.5 km/h (9.6 mph)
Reverse 3: 27.0 km/h (16.8 mph)


DIMENSIONS
CAT 994K with 58/85-57 tires - Standard Lift:

Wheel base: 6800 mm (22.3 ft)
Maximum overall length: 17 860 mm (58.6 ft)
Clearance at maximum lift, dump position: 6167 mm (20.2 ft)
Bucket pin height at maximum lift: 8790 mm (28.8 ft)
Maximum overall height, bucket raised: 11 771 mm (38.6 ft)
Ground to top of exhaust stacks: 7067 mm (23.2 ft)
Ground to top of ROPS: 7118.5 mm (23.4 ft)
Ground to top of hood: 5682 mm (18.6 ft)
Ground to bumper clearance: 1355 mm (4.4 ft)
Rear axle center line to bumper: 6205 mm (20.4 ft)
Front axle center line to bucket tip: 6503 mm (21.3 ft)
Ground to lower hitch clearance: 898 mm (2.9 ft)
Ground to center of axles: 1820 mm (6.0 ft)


DIMENSIONS
CAT 994K with 58/85-57 tires - High Lift:

Wheel base: 6800 mm (22.3 ft)
Maximum overall length: 18 454 mm (60.5 ft)
Clearance at maximum lift, dump position: 7095 mm (23.3 ft)
Bucket pin height at maximum lift: 9647 mm (31.7 ft)
Maximum overall height, bucket raised: 12 545 mm (41.2 ft)
Ground to top of exhaust stacks: 7067 mm (23.2 ft)
Ground to top of ROPS: 7118.5 mm (23.4 ft)
Ground to top of hood: 5682 mm (18.6 ft)
Ground to bumper clearance: 1355 mm (4.4 ft)
Rear axle center line to bumper: 6205 mm (20.4 ft)
Front axle center line to bucket tip: 7097 mm (23.3 ft)
Ground to lower hitch clearance: 898 mm (2.9 ft)
Ground to center of axles: 1820 mm (6.0 ft)


Caterpillar 994K large wheel loader
Caterpillar 994K large wheel loader.
Size of the photo: 920 509 pixels, 151 kB
Source of the photo: John Welsh
License: (CC BY-SA 2.0)




CATERPILLAR - WHEEL LOADERS




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