- Overall Length: 47.78 ft / 14565 mm
- Overall Width: 12.92 ft / 3938 mm
- Overall Height: 14.07 ft / 4286 mm
- Wheelbase: 28.77 ft / 8769 mm
Published dimensions and weight
Caterpillar 637G
The Caterpillar 637G is a motor scraper of about 52 t, powered by a 515 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight114743.9 lb52047 kg
03Selected published values171
Motor scrapers are commonly used to cut, load, haul and spread soil over medium-distance earthmoving cycles. Published rows for Caterpillar 637G include published payload of 75000 lb / 34020 kg, published body capacity of 31 yd3 / 23.7 m3, published engine power of 515 hp / 384 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (47.78 ft / 14565 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (12.92 ft / 3938 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (14.07 ft / 4286 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length47.78 ft14565 mm
Overall Width12.92 ft3938 mm
Overall Height14.07 ft4286 mm
Wheelbase28.77 ft8769 mm
Tractor Ground Clearance2.19 ft665 mm
Height To Top Of Cab12.19 ft3715 mm
Height - Scraper Blade Maximum21.5 in546.1 mm
Height - Top Of Cab12.2 in0.31 m
Height - Top Of Scraper13.71 ft4.18 m
Length - Overall50.75 ft15.47 m
Length - Overall Machine573.4 in14564.36 mm
Rear Axle - Rear Of Machine95.75 in2432.06 mm
Tread - Scraper8.07 ft2.46 m
Tread - Tractor8.07 ft2.46 m
Wheel Base28.77 ft0.74 m
Width - Inside Of Bowl134 in3403.6 mm
Width - Outside Bowl - Shipping Width154 in3911.6 mm
Width - Outside Rear Tires143.2 in3637.28 mm
Width - Overall12.93 ft3.95 m
Width - Overall Machine155 in3937 mm
Width - Rear Tire Center Lines97 in2463.81 mm
Axle To Vertical Hitch Pin21.6 in548.64 mm
Width - Tractor137 in3479.8 mm
Bail Length - Maximum (Push-Pull)195.3 in4960.62 mm
Extended Push Block (Push-Pull)108 in2743.2 mm
Front Of Tractor To Front Axle135.25 in3435.35 mm
Ground Clearance - Tractor26.2 in665.48 mm
Height - Overall Shipping168.75 in4286.25 mm
Tractor Engine
MakeCaterpillarCaterpillar
Model3408E3408E
Gross Power515 hp384 kw
Displacement1099 cu in18.1 L
Flywheel Power - Tractor/Scraper336 kW (450 hp) / 186 kW (249 hp)336 kW (450 hp) / 186 kW (249 hp)
Net Power - Gears 1-2450 hp335.6 kw
Gross Power - Gears 1-2480 hp358 kw
Bore5.4 in137.2 mm
Stroke6 in152.4 mm
Net Power - Gears 3-8485 hp361.7 kw
Gross Power - Gears 3-8519 hp387.1 kw
Engine
Tractor EngineCat C18 with ACERT TechnologyCat C18 with ACERT Technology
Flywheel Power - Tractor/Scraper373 kw (500 hp) / 211 kW (283 hp)373 kw (500 hp) / 211 kW (283 hp)
Scraper EngineCat C9 with ACERT TechnologyCat C9 with ACERT Technology
Scraper Engine
MakeCaterpillarCaterpillar
Model33063306
Gross Power270 hp201 kw
Displacement538 cu in8.9 L
Bore4.5 in112.1 mm
Stroke5.9 in149.1 mm
Net Power - Gear 1249 hp185.7 kw
Net Power - Gears 2-4274 hp204.4 kw
Gross Power - Gear 1274 hp204.4 kw
Gross Power - Gears 2-4299 hp223 kw
Operational
Fuel Capacity335 gal1268 L
Cooling System Fluid Capacity52 gal202 L
Engine Oil Fluid Capacity18.9 gal72 L
Transmission Fluid Capacity45.7 gal176 L
Differential Fluid Capacity40.5 gal153 L
Hydraulic System Fluid Capacity50 gal190 L
Wheel Coolant Fluid Capacity - Each39 gal150 L
Operating Voltage24 V24 V
Alternator Supplied Amperage75 amps75 amps
Tire Size37.50-R3537.50-R35
Transmission
Number Of Forward Gears88
Number Of Reverse Gears11
Max Speed Forward34.1 mph54.9 km/h
Max Speed Reverse6.2 mph9.9 km/h
Reverse6.2 mile/h6.2 mile/h
1 Forward3.4 mph5.5 km/h
2 Forward6.2 mph10 km/h
3 Forward7.6 mph12.3 km/h
4 Forward10.3 mph16.6 km/h
5 Forward13.8 mph22.3 km/h
6 Forward18.7 mph30.1 km/h
7 Forward25.2 mph40.6 km/h
8 Forward34.1 mph54.9 km/h
Top Speed - Loaded33 mph53.2 km/h
Steering
Width - 180 Degrees Turn40 ft12.2 m
Steering Angle - Right90 degrees90 degrees
Steering Angle - Left85 degrees85 degrees
Hydraulic Output100 gal/min100 gal/min
Width - 180 Degrees Turn - Right40.1 ft12.3 m
Weights
Total Operating - Empty114745 lb52047 kg
Operating Weight114743.9 lb52047 kg
Front Axle - Empty67700 %67700 %
Rear Axle - Empty47045 %47045 %
Total Operating - Loaded189745 lb86067 kg
Front Axel - Loaded92975 lb42173 kg
Rear Axle - Loaded96770 %96770 %
Operating Weight - Loaded - Approximate194909 lb88409.3 kg
Operating Weight - Empty - Approximate118909 lb53936.3 kg
Bowl
Rated Payload75000 lb34020 kg
Heaped Capacity31 yd323.7 m3
Struck Capacity21 yd316.1 m3
Max Depth Of Cut17.2 in437 mm
Width Of Cut11.6 ft3512 mm
Operating Specifications
Top Speed - Loaded33 mph53.2 km/h
Rated Load76000 lb34473.1 kg
Scraper Capacity - Struck41 yd331.4 m3
Scraper Capacity - Heaped50 yd338.3 m3
180 Degrees Curb-To-Curb Turning Width45 ft13.8 m
Standards
BrakesMeets ISOMeets ISO
Rops/FopsMeets SAE, ISOMeets SAE, ISO
CabMeets ANSI, SAEMeets ANSI, SAE
Hydraulics
Bowl Cylinder Bore7.3 in184.2 mm
Bowl Cylinder Stroke34.4 in873.8 mm
Steering Circuit100 gal/min100 gal/min
Scraper Circuit91 gal/min91 gal/min
Cushion Hitch Circuit9 gal/min9 gal/min
Relief Valve - Steering Circuit1987 psi1987 psi
Relief Valve - Implement Circuit2030 psi2030 psi
Compensator Settings - Cushion Hitch Circuit2320 psi2320 psi
Ejector Cylinder Bore8.3 in210.9 mm
Ejector Cylinder Stroke74 in1879.6 mm
Secondary Steering Circuit100 gal/min100 gal/min
Apron Cylinder Bore8.3 in210.9 mm
Apron Cylinder Stroke28.6 in726.5 mm
Scraper Bowl
Width - Cut - To Router Bits138.3 in3512.9 mm
Rated Load82260 lb37312.6 kg
Capacity - Struck24 yd318.4 m3
Depth Of Cut - Maximum17.2 in436.9 mm
Ground Clearance - Maximum21.5 in546.1 mm
Cutting Edge Thickness1.2 in28.5 mm
Depth Of Spread - Maximum18.9 in480.1 mm
Scraper Capacity - Heaped34 yd326 m3
Hyd. Penetration Force - 621g81000 lb36741 kg
Apron Closure Force38250 lb17350 kg
Apron Opening79 in2006.6 mm
Hyd. Penetration Force - 637g81000 lb36741 kg
Service Refill Capacities - Scraper
Transmission19 gal72 L
Differential3.2 gal12.2 L
Final Drive - Each5 gal19 L
Cooling System20 gal75.8 L
Crankcase7.9 gal30 L
Wheel Coolant - Each19.8 gal75 L
Fuel Tank - 637g335 gal1268.2 L
Service Refill Capacities - Tractor
Transmission29 gal109.8 L
Differential39 gal147.7 L
Final Drive - Each6.1 gal23.1 L
Cooling System29 gal109.8 L
Hydraulic Reservoir50.2 gal190.1 L
Crankcase11.9 gal45.1 L
Wheel Coolant - Each19.8 gal75 L
Windshield Washer1.5 gal5.7 L
Fuel Tank - 637g335 gal1268.2 L
Weights - Standard, Tandem
Total Shipping112760 lb51147.1 kg
Tractor Shipping66529 lb30177.1 kg
Scraper Shipping46231 lb20970.1 kg
Total Operating - Empty114744 lb52047.1 kg
Front Axle67700 lb30708.3 kg
Rear Axle47044 lb21338.9 kg
Total Operating - Loaded196944 lb89332.4 kg
Front Axle Weight - Loaded96503 lb43773.1 kg
Rear Axle - Weight - Loaded100441 lb45559.3 kg
Weights - Push-Pull
Total Shipping116100 lb52662.1 kg
Tractor Shipping68499 lb31070.7 kg
Scraper Shipping47601 lb21591.5 kg
Total Operating - Empty118084 lb53562.1 kg
Front Axle69670 lb31601.8 kg
Rear Axle48414 lb21960.3 kg
Total Operating - Loaded200284 lb90847.4 kg
Front Axle - Loaded98139 lb44515.2 kg
Rear Axle - Loaded102145 lb46332.2 kg
Transmission - 637g
1 Forward3.4 mph5.5 km/h
2 Forward6.2 mph10 km/h
3 Forward7.6 mph12.3 km/h
4 Forward10.3 mph16.6 km/h
5 Forward13.8 mph22.3 km/h
6 Forward18.7 mph30.1 km/h
Reverse6.2 mph10 km/h
7 Forward25.2 mph40.6 km/h
8 Forward34.1 mph54.9 km/h
Need the machine, not just the numbers?
Find one, value one, or tell the market what you need.
Manufacturer-published specifications.