All Equipment Category Specs ↠ Scrapers ↠ Caterpillar 637G

Caterpillar 637G Scraper

Category: Scrapers (See all Scrapers for sale)
Manufacturer: Caterpillar (See all Caterpillar Equipment for sale)
Model: 637G (See all Caterpillar 637G for sale)

Bowl

Heaped Capacity	31 cu yd (24 cu m)
Max Depth of Cut	17 in (44 cm)
Rated Payload	75,000 lbs (34,019 kg)
Struck Capacity	21 cu yd (16 cu m)
Width of Cut	12 ft (4 m)

Dimensions

Axle to Vertical Hitch Pin	22 in (55 cm)
Bail Length - Maximum (Push-Pull)	195 in (496 cm)
Extended Push Block (Push-Pull)	108 in (274 cm)
Front of Tractor to Front Axle	135 in (344 cm)
Ground Clearance - Tractor	26 in (67 cm)
Height - Overall Shipping	169 in (429 cm)
Height - Scraper Blade Maximum	22 in (55 cm)
Height - Top of Cab	12 ft (4 m)
Length - Overall Machine	573 in (1,456 cm)
Overall Height	14 ft (4 m)
Overall Length	48 ft (15 m)
Overall Width	13 ft (4 m)
Rear Axle - Rear of Machine	96 in (243 cm)
Tractor Ground Clearance	2 ft (1 m)
Wheel Base	29 ft (9 m)
Wheelbase	29 ft (9 m)
Width - Inside of Bowl	134 in (340 cm)
Width - Outside Rear Tires	143 in (364 cm)
Width - Overall Machine	155 in (394 cm)
Width - Rear Tire Center Lines	97 in (246 cm)
Width - Tractor	137 in (348 cm)

Engine

Flywheel Power - Tractor/Scraper	373 kw (500) / 211 kW (283)
Scraper Engine	Cat C9 with ACERT Technology
Tractor Engine	Cat C18 with ACERT Technology

Hydraulic System

Apron Cylinder Bore	8 in (21 cm)
Apron Cylinder Stroke	29 in (73 cm)
Bowl Cylinder Bore	7 in (19 cm)
Bowl Cylinder Stroke	34 in (87 cm)
Compensator Settings - Cushion Hitch Circuit	2320 psi
Cushion Hitch Circuit	9 gpm (34 lpm)
Ejector Cylinder Bore	8 in (21 cm)
Ejector Cylinder Stroke	74 in (188 cm)
Relief Valve - Implement Circuit	2030 psi
Relief Valve - Steering Circuit	1987 psi
Scraper Circuit	91 gpm (344 lpm)
Secondary Steering Circuit	100 gpm (379 lpm)
Steering Circuit	100 gpm (379 lpm)

Operating Specifications

Alternator Supplied Amperage	75 amps
Cooling System Fluid Capacity	52 gal (197 l)
Differential Fluid Capacity	41 gal (153 l)
Engine Oil Fluid Capacity	19 gal (72 l)
Fuel Capacity	335 gal (1,268 l)
Hydraulic System Fluid Capacity	50 gal (189 l)
Operating Voltage	24 volts
Rated Load	76,000 lbs (34,473 kg)
Scraper Capacity - Heaped	50 cu yd (38 cu m)
Scraper Capacity - Struck	41 cu yd (31 cu m)
Tire Size	37.50-R35
Top Speed - Loaded	33 mph (53 kph)
Transmission Fluid Capacity	46 gal (173 l)
Wheel Coolant Fluid Capacity - each	39 gal (148 l)

Scraper Bowl

Apron Closure Force	38,250 lbs (17,350 kg)
Apron Opening	79 in (201 cm)
Capacity - Struck	24 cu yd (18 cu m)
Cutting Edge Thickness	1 in (3 cm)
Depth of Cut - Maximum	17 in (44 cm)
Depth of Spread - Maximum	19 in (48 cm)
Ground Clearance - Maximum	22 in (55 cm)
Hyd. Penetration Force - 621G	81,000 lbs (36,741 kg)
Rated Load	82,260 lbs (37,313 kg)
Scraper Capacity - Heaped	34 cu yd (26 cu m)
Width - Cut - To Router Bits	138 in (351 cm)

Scraper Engine

Bore	5 in (11 cm)
Displacement	538 cu in (8,816 cu cm)
Gross Power	270 hp (201 kw)
Gross Power - Gear 1	274 hp (204 kw)
Make	Caterpillar
Model	3306
Net Power - Gear 1	249 hp (186 kw)
Stroke	6 in (15 cm)

Service Refill Capacities - Scraper

Cooling System	20 gal (76 l)
Differential	3 gal (12 l)
Final Drive - Each	5 gal (19 l)
Transmission	19 gal (72 l)
Wheel Coolant - Each	20 gal (75 l)

Service Refill Capacities - Tractor

Cooling System	29 gal (110 l)
Crankcase	12 gal (45 l)
Differential	39 gal (148 l)
Final Drive - Each	6 gal (23 l)
Hydraulic Reservoir	50 gal (190 l)
Transmission	29 gal (110 l)
Wheel Coolant - Each	20 gal (75 l)
Windshield Washer	2 gal (6 l)

Standards

Brakes

Meets ISO

Steering System

Hydraulic Output	100 gpm (379 lpm)
Steering Angle - Left	85 degrees
Steering Angle - Right	90 degrees
Width - 180 degrees Turn	40 ft (12 m)

Tractor Engine

Bore	5 in (14 cm)
Displacement	1,099 cu in (18,009 cu cm)
Flywheel Power - Tractor/Scraper	336 kW (450) / 186 kW (249)
Gross Power	515 hp (384 kw)
Gross Power - Gears 3-8	519 hp (387 kw)
Make	Caterpillar
Model	3408E
Net Power - Gears 1-2	450 hp (336 kw)
Net Power - Gears 3-8	485 hp (362 kw)
Stroke	6 in (15 cm)

Transmission

1 Forward	3 mph (5 kph)
2 Forward	6 mph (10 kph)
3 Forward	8 mph (12 kph)
4 Forward	10 mph (17 kph)
5 Forward	14 mph (22 kph)
6 Forward	19 mph (30 kph)
7 Forward	25 mph (41 kph)
8 Forward	34 mph (55 kph)
Max Speed Forward	34 mph (55 kph)
Max Speed Reverse	6 mph (10 kph)
Number of Forward Gears	8
Number of Reverse Gears	1
Reverse	6 mph (10 kph)
Top Speed - Loaded	33 mph (53 kph)

Weights

Front Axel - loaded	92,975 lbs (42,173 kg)
Front Axle - empty	67,700 lbs (30,708 kg)
Operating Weight	114,744 lbs (52,047 kg)
Operating Weight - Loaded - Approximate	194,909 lbs (88,409 kg)
Rear Axle - empty	47,045 lbs (21,339 kg)
Rear Axle - loaded	96,770 lbs (43,894 kg)
Total Operating - empty	114,745 lbs (52,048 kg)
Total Operating - Loaded	189,745 lbs (86,067 kg)

Weights - Push-Pull

Front Axle	69,670 lbs (31,602 kg)
Front Axle - Loaded	98,139 lbs (44,515 kg)
Rear Axle	48,414 lbs (21,960 kg)
Rear Axle - Loaded	102,145 lbs (46,332 kg)
Scraper Shipping	47,601 lbs (21,591 kg)
Total Operating - Empty	118,084 lbs (53,562 kg)
Total Operating - Loaded	200,284 lbs (90,847 kg)
Total Shipping	116,100 lbs (52,662 kg)
Tractor Shipping	68,499 lbs (31,071 kg)

Weights - Standard, Tandem

Front Axle	67,700 lbs (30,708 kg)
Front Axle Weight - Loaded	96,503 lbs (43,773 kg)
Rear Axle	47,044 lbs (21,339 kg)
Rear Axle - Weight - Loaded	100,441 lbs (45,559 kg)
Scraper Shipping	46,231 lbs (20,970 kg)
Total Operating - Empty	114,744 lbs (52,047 kg)
Total Operating - Loaded	196,944 lbs (89,332 kg)
Total Shipping	112,760 lbs (51,147 kg)
Tractor Shipping	66,529 lbs (30,177 kg)

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