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CATERPILLAR - SCRAPERS




CATERPILLAR 637E SERIES II



TECHNICAL DATA AND PHOTOS




Model: CAT 637E SERIES II

Year of production: 1991-2001

Manufacturer: Caterpillar Inc.

Type: Two-engine scraper.


TRACTOR ENGINE:

Model: CAT 3406B
Type: Four-stroke cycle turbocharged and aftercooled diesel engine.
Gross power:
Gears 1 - 2: 354 kW (475 HP) at 2000 rpm
Gears 3 - 8: 384 kW (515 HP) at 2000 rpm
Net power:
Gears 1 - 2: 335 kW (450 HP) at 2000 rpm
Gears 3 - 8: 365 kW (490 HP) at 2000 rpm
Net power, gears 3 - 8:
Caterpillar: 366 kW (490 HP) at 2000 rpm
ISO 9249: 366 kW (490 HP) at 2000 rpm
EEC 80/1269: 366 kW (490 HP) at 2000 rpm
SAE J1349: 362 kW (485 HP) at 2000 rpm
DIN 70020: 508 PS at 2000 rpm
Number of cylinders: 8
Displacement: 18.0 L (1099 in3)
Bore: 137 mm (5.4 in) Stroke: 152 mm (6.0 in)


SCRAPER ENGINE:

Model: CAT 3306
Type: Four-stroke cycle turbocharged and aftercooled diesel engine
Gross power: 202 kW (270 hp) at 2200 rpm
Net power: 186 kW (250 hp) at 2200 rpm
Net power:
Caterpillar: 186 kW (250 HP) at 2200 rpm
ISO 9249: 186 kW (250 HP) at 2200 rpm
EEC 80/1269: 186 kW (250 HP) at 2200 rpm
SAE J1349: 184 kW (247 HP) at 2200 rpm
DIN 70020: 259 PS at 2200 rpm
Number of cylinders: 6
Displacement: 10.5 L (638 in3)
Bore: 121 mm (4.75 in)
Stroke: 152 mm (6.0 in)



FLUID CAPACITIES:

Crankcase - tractor: 45 L (11.7 US gal)
Crankcase - scraper: 27 L (7.2 US gal)
Cooling system - tractor: 126 L (33 US gal)
Cooling system - scraper: 76 L (20 US gal)
Transmission - tractor: 127 L (33 US gal)
Transmission - scraper: 49 L (12.7 US gal)
Differential - tractor: 136 L (36 US gal)
Differential - scraper: 17 L (4.5 US gal)
Final drive (each side) - tractor: 25 L (7 US gal)
Final drive (each side) - scraper: 22 L (6.5 US gal)
Hydraulic reservoir - tractor: 190 L (50 US gal)
Hydraulic reservoir - scraper: - -
Wheel coolant (each) - tractor: 75 L (19.5 US gal)
Wheel coolant (each) - scraper: 75 L (19.5 US gal)
Fuel tank - tractor: - -
Fuel tank - scraper: 1268 L (335 US gal)


TRAVEL SPEEDS:

Travel speeds in each gear at 2100 RPM:
First: 5.5 km/h (3.4 mph)
Second: 10.0 km/h (6.2 mph)
Third: 12.2 km/h (7.6 mph)
Fourth: 16.6 km/h (10.3 mph)
Fifth: 22.2 km/h (13.8 mph)
Sixth: 30.1 km/h (18.7 mph)
Seventh: 40.6 km/h (25.2 mph)
Eighth: 54.9 km/h (34.1 mph)
Reverse: 9.9 km/h (6.2 mph)


DIMENSIONS:

Overall machine length: 14 560 mm (479)
Wheelbase: 8 769 mm (289)
Front of tractor to front axle: 3359 mm (110)
Rear axle to rear of machine: 2432 mm (80)
Overall machine width: 3938 mm (1211)
Tractor width: 3481 mm (115)
Width to center of rear tires: 2464 mm (81)
Width to inside of bowl: 3405 mm (112)
Width to outside of tires: 3636 mm (1111)
Overall shipping height: 4286 mm (141)
Height to top of cab: 3715 mm (122)
Tractor ground clearance: 665 mm (22)
Maximum scraper blade height: 545 mm (19)


WEIGHTS:

Operating weight:

With ROPS cab, full fuel tank and operator.

Empty:

Standard:

Front axle: 59 % - 30 153 kg (66,475 lb)
Rear axle: 41 % - 20 954 kg (46,195 lb)
Total: 51 107 kg (112 670 lb)

Push-Pull:

Front axle: 60 % - 31 589 kg (69,642 lb)
Rear axle: 40 % - 21 059 kg (46,428 lb)
Total: 52 648 kg (116 070 lb)


Loaded - based on 34 020 kg (75,000 lb) rared load:

Standard:

Front axle: 49 % - 41 711 kg (91,958 lb)
Rear axle: 51 % - 43 414 kg (95,712 lb)
Total: 85 125 kg (187,670 lb)

Push-Pull:

Front axle: 50 % - 43 334 kg (95,535 lb)
Rear axle: 50 % - 43 334 kg (95,535 lb)
Total: 86 668 kg (191,070 lb)


SCRAPER CAPACITY:

Struck, SAE rating: 23.7 m3 (31 yd3)
Heaped, SAE rating: 16.1 m3 (21 yd3)
Maximum rated load: 34 020 kg (75,000 lb)



SCRAPER BOWL - OPERATING DATA:

Maximum depth of cut: 437 mm (17)

Width of cut (outside router bits): 3512 mm (116)

Cutting edge dimensions:

Standard:
Center section: 35 x 406 x 1580 mm
End section: 35 x 330 x 900 mm

Maximum available hydraulic penetration force at cutting edge, empty: 360 kN (81,000 lb)

Maximum depth of spread: 480 mm (18.9)

Apron closure force with cutting edge fully raised and apron opened 300 mm (12): 170 kN (38,250 lb)

Apron opening - bowl 150 mm (6) off ground level: 2007 mm (79)


HYDRAULIC SYSTEM:

Closed, full-flow filtered hydraulic circuits powered by vane-type and piston-type pumps.

Output at 2100 rpm:
Steering circuit: 389 L/min (103 gpm)
Scraper circuit: 344 L/min (91 gpm)
Cushion hitch circuit: 34.5 L/min (9. gpm)
Optional supplemental steering circuit: 291 L/min (77 gpm)
Relief valve setting:
Steering circuit: 13 500 kPa (1960 psi)
Implement circuit: 13 790 kPa (2000 psi)


TOP SPEED:

Top speed: 54.9 km/h (34.1 mph)


TYRES:

Standard:
37.25R35, (E-3)

Optional:
37.25R35, (E-2)
37.25-35, 42PR (E-3)


Caterpillar 637E SERIES II two-engine push-pull scraper of Densem Contracting Ltd., New Zealand
Caterpillar 637E SERIES II two-engine push-pull scraper of Densem Contracting Ltd., New Zealand.
Taken on: 21 October 2012
Size of the photo: 1920 1080 pixels, 1.32 MB
Source 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 637E SERIES II two-engine push-pull scraper of Densem Contracting Ltd., New Zealand
Caterpillar 637E SERIES II two-engine push-pull scraper of Densem Contracting Ltd., New Zealand.
Taken on: 21 October 2012
Size of the photo: 2298 1532 pixels, 2.54 MB
Source of the photo: John Welsh
License: (CC BY-SA 2.0)


Caterpillar 637E SERIES II two-engine push-pull scraper of Drapers Earthmoving Ltd., Wellington, New Zealand
Caterpillar 637E SERIES II two-engine push-pull scraper of Drapers Earthmoving Ltd., Wellington, New Zealand.
Taken on: 7 February 2014
Size of the photo: 960 717 pixels, 124 kB
Source of the photo: John Welsh
License: (CC BY-SA 2.0)


Caterpillar 637E SERIES II two-engine push-pull scraper of Drapers Earthmoving Ltd., Wellington, New Zealand
Caterpillar 637E SERIES II two-engine push-pull scraper of Drapers Earthmoving Ltd., Wellington, New Zealand.
Taken on: 15 February 2014
Size of the photo: 960 720 pixels, 157 kB
Source of the photo: John Welsh
License: (CC BY-SA 2.0)





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