- Overall Length: 47.77 ft / 14560 mm
- Overall Width: 12.93 ft / 3940 mm
- Overall Height: 14.08 ft / 4290 mm
- Wheelbase: 28.78 ft / 8770 mm
Published dimensions and weight
Caterpillar 637E Series II
Weighing roughly 51.1 t and rated at 450 hp, the Caterpillar 637E Series II is a motor scraper in its size class.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight112670 lb51106.3 kg
03Selected published values121
Motor scrapers are commonly used to cut, load, haul and spread soil over medium-distance earthmoving cycles. Published rows for Caterpillar 637E Series II include published payload of 75001.3 lb / 34020 kg, published body capacity of 31 yd3 / 23.7 m3, published engine power of 490 hp / 365.4 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (47.77 ft / 14560 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (12.93 ft / 3940 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (14.08 ft / 4290 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 Length47.77 ft14560 mm
Overall Width12.93 ft3940 mm
Overall Height14.08 ft4290 mm
Wheelbase28.78 ft8770 mm
Height - Top Of Cab12.19 in0.31 m
Length - Overall Machine573.5 in14566.9 mm
Rear Axle - Rear Of Machine95.75 in2432.06 mm
Wheel Base28.78 ft0.74 m
Width - Inside Of Bowl134 in3403.6 mm
Width - Outside Rear Tires143 in3632.2 mm
Width - Overall Machine155 in3937 mm
Width - Rear Tire Center Lines97 in2463.81 mm
Bail Length - Maximum (Push-Pull)76 in1930.4 mm
Width - Tractor137 in3479.8 mm
Front Of Tractor To Front Axle132.25 in3359.15 mm
Height - Overall Shipping168.75 in4286.25 mm
Height - Scraper Blade Maximum21.5 in546.1 mm
Fuel Tank
Fuel Tank Capacity Scraper335 gal1268.2 L
Tractor Engine
Model3408TA3408TA
Gross Power490 hp365.4 kw
Net Power450 hp335.6 kw
Displacement1099 cu in18.1 L
Net Power - Gears 1-2450 hp335.6 kw
Gross Power - Gears 1-2475 hp354.3 kw
Caterpillar Net Power490 hp365.4 kw
Iso 9249490 hp365.4 kw
Eec 80/1269490 hp365.4 kw
Sae J1349485 hp361.7 kw
Bore5.4 in137.2 mm
Stroke6 in152.4 mm
Net Power - Gears 3-8490 hp365.4 kw
Gross Power - Gears 3-8515 hp384.1 kw
Engine
Tractor EngineCat 3408ECat 3408E
Flywheel Power - Tractor/Scraper365 kW (490 hp)/186 kW (250 hp)365 kW (490 hp)/186 kW (250 hp)
Scraper Engine33063306
Gross Power Tractor Gears 1-2475 hp354.3 kw
Gross Power Tractor Gears 3-8515 hp384.1 kw
Gross Power Tractor475 hp354.3 kw
Gross Power Scraper270 hp201.4 kw
Net Power Tractor Gears 1-2450 hp335.6 kw
Net Power Tractor Gears 3-8490 hp365.4 kw
Scraper Engine
Model3306TA3306TA
Gross Power250 hp186.5 kw
Displacement638 cu in10.5 L
Bore4.8 in120.7 mm
Stroke6 in152.4 mm
Net Power - Gear 1250 hp186.5 kw
Gross Power - Gear 1270 hp201.4 kw
Iso 9249250 hp186.5 kw
Caterpillar Net Power250 hp186.5 kw
Eec 80/1269250 hp186.5 kw
Sae J1349247 hp184.2 kw
Operational
Fuel Capacity335 gal1268 L
Tire Size37.25R35 E2/E337.25R35 E2/E3
Transmission
Max Speed Forward33 mph53 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
Steering
Width - 180 Degrees Turn40.1 ft12.3 m
Steering Angle - Right90 degrees90 degrees
Steering Angle - Left85 degrees85 degrees
Hydraulic Output96.2 gal/min96.2 gal/min
Ground-Driven Secondary Steering System52 gal/min52 gal/min
Weights
Total Operating - Empty112413.8 lb50990 kg
Operating Weight112670 lb51106.3 kg
Operating Weight - Loaded - Approximate113580 lb51519.1 kg
Bowl
Rated Payload75001.3 lb34020 kg
Heaped Capacity31 yd323.7 m3
Struck Capacity21.1 yd316.1 m3
Max Depth Of Cut17.3 in437 mm
Width Of Cut11.6 ft3510 mm
Operating Specifications
Top Speed - Loaded34.1 mph54.9 km/h
Rated Load75000 lb34019.5 kg
Scraper Capacity - Struck41 yd331.4 m3
Scraper Capacity - Heaped50 yd338.3 m3
Hydraulics
Bowl Cylinder Bore7.2 in182.9 mm
Bowl Cylinder Stroke34.4 in873.8 mm
Steering Circuit103 gal/min103 gal/min
Scraper Circuit91 gal/min91 gal/min
Cushion Hitch Circuit9 gal/min9 gal/min
Relief Valve - Steering Circuit1960 psi1960 psi
Relief Valve - Implement Circuit2000 psi2000 psi
Compensator Settings - Cushion Hitch Circuit2300.01 psi2300.01 psi
Ejector Cylinder Bore8.2 in208.3 mm
Ejector Cylinder Stroke74 in1879.6 mm
Secondary Steering Circuit77 gal/min77 gal/min
Apron Cylinder Bore8.2 in208.3 mm
Apron Cylinder Stroke28.6 in726.5 mm
Scraper Bowl
Width - Cut - To Router Bits138.3 in3511.6 mm
Rated Load75000 lb34019.5 kg
Capacity - Struck21 yd316.1 m3
Depth Of Cut - Maximum17.2 in436.9 mm
Ground Clearance - Maximum21.5 in546.1 mm
Cutting Edge Thickness1.7 in42 mm
Depth Of Spread - Maximum18.9 in480.1 mm
Scraper Capacity - Heaped31 yd323.8 m3
Hyd. Penetration Force - 621g81000 lb36741 kg
Apron Closure Force38250 lb17350 kg
Apron Opening79 in2006.6 mm
Service Refill Capacities - Tractor
Transmission33 gal125 L
Differential36 gal136.3 L
Final Drive - Each7 gal26.5 L
Cooling System33 gal125 L
Hydraulic Reservoir50 gal189.3 L
Crankcase11.7 gal44.3 L
Wheel Coolant - Each19.5 gal73.9 L
Weights - Standard, Tandem
Total Shipping110686 lb50206.4 kg
Tractor Shipping44274 lb20082.4 kg
Scraper Shipping66412 lb30124 kg
Total Operating - Empty112670 lb51106.3 kg
Front Axle66475 lb30152.6 kg
Rear Axle46195 lb20953.8 kg
Total Operating - Loaded187670 lb85125.7 kg
Front Axle Weight - Loaded91958 lb41711.5 kg
Rear Axle - Weight - Loaded95712 lb43414.3 kg
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Manufacturer-published specifications.