637 Wheel Tractor-Scraper

High performance

Cat’s 637 Wheel Tractor-Scraper is engineered to conquer challenges operators face worldwide. With its strength and durability, it works in some of the most difficult conditions and materials one can find.

Cat’s 637 Wheel Tractor-Scraper is engineered to conquer challenges operators face worldwide. With its strength and durability, it works in some of the most difficult conditions and materials one can find.

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Equipment Highlights

Be More Productive
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Designed for Safety
Easy to Operate
Integrated Cat Technologies
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Features + Specs

Equipment Features
Optional Equipment
Specs
  • Exterior Sound Level: The exterior sound power level for the standard machine (ISO 6393) is 119 dB(A).
  • ROPS/FOPS: ROPS/FOPS meet “ISO Standards.”
  • Emissions: Cat® C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
  • Engine Model - Tractor: Cat® C18
  • Rated Engine RPM - Tractor: 1900 r/min
  • Flywheel Power - Tractor: 570 hp
  • Engine Model - Scraper: Cat® C9.3
  • Rated Engine RPM - Scraper: 2150 r/min
  • Flywheel Power - Scraper: 290 hp
  • Overall Width: 12.93 ft
  • Overall Shipping Height: 13.7 ft
  • Scraper Capacity - Struck: 24 yd³
  • Scraper Capacity - Heaped: 34 yd³
  • Rated Load: 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
  • Width - Cut: 11.5 ft
  • Maximum Depth of Cut: 17.7 in
  • Maximum Depth of Spread: 21.1 in
  • Top Speed - Loaded: 34.7 mile/h
  • 180° Curb-to-Curb Turning Width: 40.12 ft
  • Tires - Tractor: 37.25R35**E3
  • Tires - Scraper: 37.25R35**E3
  • Fuel Tank Refill Capacity - Scraper: 370 gal (US)
  • Operating Weight - Empty: 119060 lb
  • Overall Length - With Bail Down: 54.59 ft
  • Width - Overall Machine: 155 in
  • Width - Overall Machine - Ladder Down: 152.7 in
  • Width - Tractor: 137.8 in
  • Width - Rear Tire Centers: 96.9 in
  • Width - Inside of Bowl: 134 in
  • Width - Outside Bowl - Shipping Width: 143.1 in
  • Height - Top of Cab: 149.8 in
  • Front of Tractor to Front Axle: 142.2 in
  • Ground Clearance - Tractor: 26.1 in
  • Axle to Vertical Hitch Pin: 20 in
  • Height - Scraper Blade Maximum: 20 in
  • Wheel Base: 346.8 in
  • Length - Overall Machine - Standard: 597 in
  • Length - Maximum (Push-Pull): 655.1 in
  • Rear Axle - Rear of Machine: 90.2 in
  • Width - Outside Rear Tires: 143.2 in
  • Extended Push Block (Push-Pull): 108 in
  • Height - Overall Shipping: 163.2 in
  • Scraper Capacity - Heaped: 34 yd³
  • Top Speed - Loaded: 34.7 mile/h
  • Overall Length: 49.34 ft
  • Operating Weight - Empty: 114950 lb
  • Flywheel Power - Tractor/Scraper: 570 hp
  • Bowl Raise: 3.5 s
  • Bowl Lower: 3.5 s
  • Apron Raise: 4 s
  • Apron Lower: 3.8 s
  • Ejector Extend: 8.5 s
  • Ejector Retract: 8.5 s
  • Bail Raise: 1.5 s
  • Bail Lower: 2.1 s
  • Transmission Gear - First: 3.4 mile/h
  • Transmission Gear - Second: 6.2 mile/h
  • Transmission Gear - Third: 7.7 mile/h
  • Transmission Gear - Fourth: 10.5 mile/h
  • Transmission Gear - Fifth: 14.1 mile/h
  • Transmission Gear - Sixth: 19 mile/h
  • Transmission Gear - Seventh: 25.7 mile/h
  • Transmission Gear - Eighth: 34.7 mile/h
  • Transmission Gear - Reverse: 6.2 mile/h
  • Real Wheels (Each): 2.37 gal (US)
  • Crankcase - Tractor: 13.7 gal (US)
  • Transmission System - Tractor: 29 gal (US)
  • Cooling System - Tractor: 18.75 gal (US)
  • Cooling System - Scraper: 10.8 gal (US)
  • Fuel Tank: 370 gal (US)
  • Hydraulic System: 37.5 gal (US)
  • Crankcase - Scraper: 6.5 gal (US)
  • Diesel Exhaust Fluid (DEF)*: 8 gal (US)
  • Diesel Exhaust Fluid - Scraper: 5.8 gal (US)
  • Transmission System - Scraper: 12.9 gal (US)
  • Diesel Exhaust Fluid - Tractor: 8 gal (US)
  • Steering System: ISO 5010:2007
  • Falling Object Protective Structure (FOPS): ISO 3449:2005 Level II
  • Brakes: ISO 3450:2011
  • Rollover Protection Structure (ROPS): ISO 3471:2008 for up to 21 282 kg (46,919 lb)
  • Reverse Alarm: ISO 9533:2010
  • Seat Belt: SAE J386:FEB2006
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