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CATERPILLAR - SCRAPERS



CATERPILLAR 627B



TECHNICAL DATA AND PHOTOS




Model: CAT 627B

Year of production: 1973 - 1986

Manufacturer: CATERPILLAR

Type: Two-engine scraper.


The technical data from year 1974:


TRACTOR ENGINE:

Model: CAT 3306
Type: 4-stroke cycle turbocharged diesel engine
Flywheel power: 168 kW (225 hp)
Rated engine RPM: 2100 rpm
Number of cylinders: 6
Displacement: 10.5 L (683 in3)
Bore: 121 mm (4.75 in)
Stroke: 152 mm (6 in)



SCRAPER ENGINE:

Model: CAT 3306
Type: 4-stroke cycle turbocharged diesel engine
Flywheel power: 168 kW (225 hp)
Rated engine RPM: 2100 rpm
Number of cylinders: 6
Displacement: 10.5 L (638 in3)
Bore: 121 mm (4.75 in)
Stroke: 152 mm (6 in)



FLUID CAPACITIES:

Crankcase - tractor: 27 L (7.25 US gal)
Crankcase - scraper: 27 L (7.25 US gal)
Cooling system - tractor: 61 L (16 US gal)
Cooling system - scraper: 78 L (20.5 US gal)
Transmission - tractor: 83 L (22 US gal)
Transmission - scraper: 72 L (19 US gal)
Differential - tractor: 132 L (35 US gal)
Differential - scraper: 11 L (3 US gal)
Final drive (each side) - tractor: 13 L (3.5 US gal)
Final drive (each side) - scraper: 19 L (5 US gal)
Hydraulic reservoir - tractor: 110 L (29 US gal)
Fuel tank - tractor: 511 L (135 US gal)
Fuel tank - scraper: 490 L (130 US gal)


SCRAPER:

Struck, SAE rating: 10.7 m3 (14 yd3)
Heaped, SAE rating: 15.3 m3 (20 yd3)
Rated load: 21 800 kg (48,000 lb)



WEIGHTS:

Empty: Tractor: 59%, 18 600 kg (41,100 lb)
Scraper: 41%, 13 100 kg (28,870 lb)
Total: 31 700 kg (69,970 lb)

Loaded, based on 21 800 kg (48,000 lb) rated load: Tractor: 49%, 26 200 kg (57,840 lb)
Scraper: 51%, 27 300 kg (60,130 lb)
Total: 53 500 kg (117,970 lb)


HYDRAULIC SYSTEM:

Hydraulic circuit is filtered, closed system and powered by a double vane-type pump:

Output at 1700 rpm:
Small section: 197 L/min (52 gpm)
Large section: 284 L/min (75 gpm)
Relief valve setting:
Small section: 2250 psi (155 bar)
Large section: 2000 psi (138 bar)


OPERATING DATA:

Maximum depth of cut: 340 mm (13.4)

Width of cut (outside router bits): 3000 mm (911)

Cutting edge dimensions:

Standard:
Center section: 22 x 405 x 1430 mm
Each end section: 22 x 330 x 750 mm

Optional:
Center section: 29 x 405 x 1430 mm
Each end section: 29 x 330 x 750 mm

Maximum available hydraulic penetration force at cutting edge: 51 300 kg (113,100 lb)

Maximum depth of spread: 460 mm (18)

Apron closure force with cutting edge fully raised and apron opened 300 mm (12): 10 900 kg (24,000 lb)

Apron opening - bowl 150 mm (6) off ground level: 1780 mm (510)


DIMENSIONS:

Overall length: 13 335 mm
Overall width: 3 453 mm
Overall height: 3 635 mm (1111)
Wheelbase: 7 720 mm
Track - tractor: 2210 mm (73)
Track - scraper: 2185 mm (72)


TOP SPEED:

Top speed: 54.7 km/h (34 mph)


TYRES:

Standard for tractor and scraper:
29.5-29, 28 PR (E-3)

Optional for tractor and scraper:
29.5-29, 28 PR (E-2)
29.5-29, 34 PR (E-3)
29.5-29, 34 PR (E-2)
33.25-29, 26 PR (E-3)


CATERPILLAR 627B two-engine scraper in New Zealand
CATERPILLAR 627B two-engine scraper in New Zealand.
Date of the photo: 3 December 2003
Size of the photo: 1367 909 pixels, 1.00 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CATERPILLAR 627B two-engine scraper at work
CATERPILLAR 627B two-engine scraper at work.
Date of the photo: 26 January 2013
Size of the photo: 1920 1080 pixels, 1.16 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


CATERPILLAR 627B two-engine scraper at work
CATERPILLAR 627B two-engine scraper at work.
Date of the photo: 26 January 2013
Size of the photo: 3645 2435 pixels, 4.16 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CAT 627B two-engine scraper at work
CAT 627B two-engine scraper at work.
Date of the photo: 26 January 2013
Size of the photo: 5472 3648 pixels, 3.17 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CAT 627B two-engine scraper.
CAT 627B two-engine scraper.
Date of the photo: 17 February 2013
Size of the photo: 5472 3648 pixels, 4.28 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CAT 627B two-engine scraper.
CAT 627B two-engine scraper.
Date of the photo: 17 February 2013
Size of the photo: 5472 3648 pixels, 4.50 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CATERPILLAR 627B two-engine scraper.
CATERPILLAR 627B two-engine scraper.
Date of the photo: 16 June 2014
Size of the photo: 5472 3648 pixels, 3.19 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CATERPILLAR 627B two-engine scraper.
CATERPILLAR 627B two-engine scraper.
Date of the photo: 16 June 2014
Size of the photo: 5472 3648 pixels, 2.79 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CATERPILLAR 627B two-engine scraper.
CATERPILLAR 627B two-engine scraper.
Date of the photo: 6 December 2014
Size of the photo: 1920 1080 pixels, 1.28 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


CATERPILLAR two-engine scraper.
CATERPILLAR 627B two-engine scraper.
Date of the photo: 6 December 2014
Size of the photo: 5472 3648 pixels, 3.73 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


CAT 627B two-engine scraper.
CAT 627B two-engine scraper.
Date of the photo: 2 May 2017
Size of the photo: 1600 900 pixels, 913 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


CATERPILLAR 627B two-engine scraper.
CATERPILLAR 627B two-engine scraper.
Date of the photo: 2 May 2017
Size of the photo: 2294 1290 pixels, 826 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)





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