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CATERPILLAR - SCRAPERS



CATERPILLAR 637K



TECHNICAL DATA AND PHOTOS




Model: CAT 637K

Manufacturer: CATERPILLAR

Type: Two-engine scraper.


ENGINE - TRACTOR:

Model: CAT C18 ACERT
Type: In-line, 4-stroke-cycle, turbocharged-aftercooled diesel engine.
Cooling: water-cooled
Flywheel power: 425 kW (570 hp)
Rated engine RPM: 1900 rpm
Number of cylinders: 6
Displacement: 18.1 L (1104.5 in3)
Bore: 145 mm (5.71 in)
Stroke: 183 mm (7.2 in)
Engine emissions: U.S. EPA Tier 2/EU Stage II
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).


ENGINE - SCRAPER:

Model: CAT C9.3 ACERT
Type: In-line, 4-stroke-cycle, turbocharged-aftercooled diesel engine.
Cooling: water-cooled
Flywheel power: 216 kW (290 hp)
Rated engine RPM: 2150 rpm
Number of cylinders: 6
Displacement: 9.3 L (567.5 in3)
Bore: 115 mm (4.53 in)
Stroke: 149 mm (5.87 in)
Engine emissions: U.S. EPA Tier 2/EU Stage II


CAB:

ROPS/FOPS meet ISO standards.


ELECTRICAL SYSTEM - TRACTOR:

Electrical system: 24V
Starting system: 24 V
Alternator: 150 A
Batteries: 4 x 12 V, 1,000 CCA, maintenance free, high output

Lighting system:
Headlights, LED.
Turn signals with hazard function.
LED floodlights.
2 x cutting edge 1 x bowl.
2 x halogen side vision.


ELECTRICAL SYSTEM - SCRAPER:

Electrical system: 24V
Starting system: 24 V
Alternator: 65 A
Batteries: 4 x 12 V, 1,000 CCA, maintenance free, high output

Lighting system:
Brake lights, LED
Turn signals with hazard function, LED


FLUID CAPACITIES:

Crankcase - tractor: 52 L (13.7 US gal)
Crankcase - scraper: 24.5 L (6.5 US gal)
Cooling system - tractor: 75 L (19.8 US gal)
Cooling system - scraper: 61 L (16.1 US gal)
Transmission - tractor: 110 L (29 US gal)
Transmission - scraper: 49 L (12.9 US gal)
Hydraulic system: 142 L (37.5 US gal)
Fuel tank: 1400 L (370 US gal)


TRAVEL SPEEDS:

Transmission gears:
First: 5.5 km/h (3.4 mph)
Second: 10.0 km/h (6.2 mph)
Third: 12.4 km/h (7.7 mph)
Fourth: 16.9 km/h (10.5 mph)
Fifth: 22.7 km/h (14.1 mph)
Sixth: 30.6 km/h (19.0 mph)
Seventh: 41.4 km/h (25.7 mph)
Eighth: 55.8 km/h (34.7 mph)
Reverse: 9.9 km/h (6.2 mph)
Maximum speed (loaded): 55.8 km/h (34.7 mph)


DIMENSIONS:

Wheelbase: 8 808 mm (346.8 in)
Length overall machine (standard, non Push-Pull): 15 164 mm (597 in)
Length maximum (Push-Pull): 16 640 mm (655.1 in)
Height top of cab: 3 733 mm (147 in)
Height overall shipping: 4 145 mm (163.2 in)
Width overall machine: 3 937 mm (155 in)
Width tractor: 3 499 mm (137.8 in)
Width rear tire centers: 2 462 mm (96.9 in)
Width inside of bowl: 3 404 mm (134 in)
Width outside rear tires: 3 636 mm (143.2 in)
Front of tractor to front axle: 3 612 mm (142.2 in)
Rear axle to rear of machine: 2292 mm (90.2 in)
Ground clearance tractor 664 mm (26.1 in)
Axle to vertical hitch pin: 509 mm (20 in)
Height scraper blade maximum: 510 mm (20 in)


SCRAPER:

Scraper capacity - struck: 18.3 m3 (24 yd3)
Scraper capacity - heaped: 26 m3 (34 yd3)
Rated load: 37 200 kg (82,200 lb)
Width of cut: 3 510 mm (11'6")
Maximum depth of cut: 450 mm (17.7")
Maximum depth of spread: 535 mm (21.1")
180 curb-to-curb turning width: 12.23 m (40'2")


IMPLEMENT CYCLE TIMES:

Bowl raise: 3.5 seconds
Bowl lower: 3.5 seconds
Apron raise: 4.0 seconds
Apron lower: 3.8 seconds
Ejector extend: 8.5 seconds
Ejector retract: 8.5 seconds
Bail raise: 1.5 seconds
Bail lower: 2.1 seconds


OPERATNG WEIGHT (EMPTY):

Standard - non Push-Pull: 52 140 kg (114,950 lb)

Push-Pull: 54 005 kg (119,060 lb)


CATERPILLAR 637K Push-Pull two-engine scraper
CATERPILLAR 637K Push-Pull two-engine scraper.
Size of the photo: 1024 722 pixels, 236 kB
Source of the photo: John Welsh
License: (CC BY-SA 2.0)





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