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Caterpillar

637G

Scraper

Gross Power
515.0 hp
Max Speed - Forward
34.1 mph
Max Speed - Reverse
6.2 mph
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Caterpillar 637G Scraper
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Specifications

141 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity335.0 gal
Tire Size37.50-R35
Cooling System Fluid Capacity52.0 gal
Transmission Fluid Capacity45.7 gal
Engine Oil Fluid Capacity18.9 gal
Hydraulic System Fluid Capacity50.0 gal
Operating Voltage24 V
Differential Fluid Capacity40.5 gal
Alternator Supplied Amperage75 A
Wheel Coolant Fluid Capacity - each39.0 gal
Rated Load76,000 lb
Scraper Capacity - Heaped50.00 yd³
Scraper Capacity - Struck41.00 yd³
Top Speed - Loaded33.0 mph

Engine

Engine specifications
Tractor EngineCat C18 with ACERT Technology
Flywheel Power - Tractor/Scraper373 kw (500) / 211 kW (283)
Scraper EngineCat C9 with ACERT Technology

Weights

Weights specifications
Operating Weight114,744 lb
Operating Weight - Loaded - Approximate194,909 lb
Total Operating - empty114,745 lb
Total Operating - Loaded189,745 lb
Front Axle - empty67,700 lb
Rear Axle - empty47,045 lb
Front Axel - loaded92,975 lb
Rear Axle - loaded96,770 lb

Hydraulic System

Hydraulic System specifications
Bowl Cylinder Bore7 in
Bowl Cylinder Stroke34 in
Ejector Cylinder Stroke74 in
Ejector Cylinder Bore8 in
Scraper Circuit91.0 gal/min
Steering Circuit100.0 gal/min
Relief Valve - Steering Circuit1,987 psi
Cushion Hitch Circuit9.0 gal/min
Relief Valve - Implement Circuit2,030 psi
Apron Cylinder Bore8 in
Apron Cylinder Stroke29 in
Compensator Settings - Cushion Hitch Circuit2,320 psi
Secondary Steering Circuit100.0 gal/min

Dimensions

Dimensions specifications
Height - Top of Cab146 in
Wheelbase346 in
Overall Length574 in
Overall Width156 in
Overall Height169 in
Wheel Base346 in
Tractor Ground Clearance26 in
Width - Outside Rear Tires143 in
Height - Overall Shipping169 in
Length - Overall Machine573 in
Height - Scraper Blade Maximum22 in
Front of Tractor to Front Axle135 in
Width - Rear Tire Center Lines97 in
Width - Overall Machine155 in
Width - Inside of Bowl134 in
Rear Axle - Rear of Machine96 in
Width - Tractor137 in
Axle to Vertical Hitch Pin22 in
Ground Clearance - Tractor26 in
Bail Length - Maximum (Push-Pull)195 in
Extended Push Block (Push-Pull)108 in

Transmission

Transmission specifications
Max Speed - Forward34.1 mph
Max Speed - Reverse6.2 mph
Number of Forward Gears8
Number of Reverse Gears1
1 Forward3.4 mph
2 Forward6.2 mph
3 Forward7.6 mph
4 Forward10.3 mph
5 Forward13.8 mph
6 Forward18.7 mph
Reverse6.2 mph
7 Forward25.2 mph
8 Forward34.1 mph
Top Speed - Loaded33.0 mph

Standards

Standards specifications
BrakesMeets ISO

Steering System

Steering System specifications
Steering Angle - Left85 °
Steering Angle - Right90 °
Width - 180 degrees Turn480 in
Hydraulic Output100.0 gal/min

Bowl

Bowl specifications
Heaped Capacity31.00 yd³
Width of Cut139 in
Max Depth of Cut17 in
Rated Payload75,000 lb
Struck Capacity21.01 yd³

Scraper Engine

Scraper Engine specifications
Net Power - Gear 1249.0 hp
Gross Power270.0 hp
Gross Power - Gear 1274.0 hp
Displacement538 in³
MakeCaterpillar
Bore5 in
Stroke6 in

Tractor Engine

Tractor Engine specifications
Net Power - Gears 1-2450.0 hp
Net Power - Gears 3-8485.0 hp
Gross Power515.0 hp
Gross Power - Gears 3-8519.0 hp
Displacement1,099 in³
MakeCaterpillar
Bore5 in
Stroke6 in
Flywheel Power - Tractor/Scraper336 kW (450) / 186 kW (249)

Scraper Bowl

Scraper Bowl specifications
Rated Load82,260 lb
Capacity - Struck24.00 yd³
Depth of Spread - Maximum19 in
Ground Clearance - Maximum22 in
Depth of Cut - Maximum17 in
Scraper Capacity - Heaped33.99 yd³
Width - Cut - To Router Bits138 in
Cutting Edge Thickness1 in
Apron Closure Force38,250 lb
Apron Opening79 in
Hyd. Penetration Force - 621G81,000 lb

Service Refill Capacities - Tractor

Service Refill Capacities - Tractor specifications
Cooling System29.0 gal
Differential39.0 gal
Final Drive - Each6.1 gal
Hydraulic Reservoir50.2 gal
Transmission29.0 gal
Crankcase11.9 gal
Wheel Coolant - Each19.8 gal
Windshield Washer1.5 gal

Weights - Standard, Tandem

Weights - Standard, Tandem specifications
Front Axle67,700 lb
Front Axle Weight - Loaded96,503 lb
Rear Axle47,044 lb
Rear Axle - Weight - Loaded100,441 lb
Total Operating - Empty114,744 lb
Total Operating - Loaded196,944 lb
Scraper Shipping46,231 lb
Total Shipping112,760 lb
Tractor Shipping66,529 lb

Service Refill Capacities - Scraper

Service Refill Capacities - Scraper specifications
Cooling System20.0 gal
Differential3.2 gal
Final Drive - Each5.0 gal
Transmission19.0 gal
Wheel Coolant - Each19.8 gal

Weights - Push-Pull

Weights - Push-Pull specifications
Front Axle69,670 lb
Front Axle - Loaded98,139 lb
Rear Axle48,414 lb
Rear Axle - Loaded102,145 lb
Scraper Shipping47,601 lb
Total Operating - Empty118,084 lb
Total Operating - Loaded200,284 lb
Total Shipping116,100 lb
Tractor Shipping68,499 lb

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