637G Wheel Tractor Scraper
Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Caterpillar Wheel Tractor-Scrapers to consistently deliver high productivity at the lowest cost per ton.
- Technical Specs
- Standard Equipment
- Optional Equipment
- Tractor Engine
- Cat C18 ACERT™
- Scraper Engine
- Cat C9 ACERT™
- Flywheel Power: Tractor/Scraper
- 373 kW (500 hp) / 211 kW (283 hp)
- Net Power
- 345 kW (462 hp) / 373 kW (500 hp)
- Gross Power - Gears 1-2
- 488.0 hp
- Gross Power - Gears 3-8
- 526.0 hp
- Net Power - Gears 1-2
- 462.0 hp
- Net Power - Gears 3-8
- 500.0 hp
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1105.0 in3
- Net Power
- 198 kW (266 hp) / 211 kW (283 hp)
- Gross Power - Gear 1
- 286.0 hp
- Gross Power - Gears 2-4
- 303.0 hp
- Net Power - Gear 1
- 266.0 hp
- Net Power - Gears 2-4
- 283.0 hp
- Bore
- 4.4 in
- Stroke
- 5.9 in
- Displacement
- 538.0 in3
- Scraper Capacity: Heaped
- 34.0 yd3
- Rated Load
- 82200.0 lb
- Capacity Struck
- 24.0 yd3
- Depth of Cut - max.
- 17.2 in
- Width of Cut, to Router Bits
- 138.3 in
- Ground Clearance - max.
- 21.5 in
- Cutting Edge - thickness
- 1.12 in.
- Hyd. Penetration Force - 637G
- 81000.0 lb
- Depth of Spread - max.
- 18.9 in
- Apron Opening
- 79.0 in
- Apron Closure Force
- 38250.0 lb
- Top Speed (Loaded)
- 33.0 mph
- 1 Forward
- 3.4 mph
- 2 Forward
- 6.2 mph
- 3 Forward
- 7.6 mph
- 4 Forward
- 10.3 mph
- 5 Forward
- 13.8 mph
- 6 Forward
- 18.7 mph
- 7 Forward
- 25.2 mph
- 8 Forward
- 34.1 mph
- Reverse
- 6.2 mph
- Bowl Cylinder Bore
- 7.2 in
- Bowl Cylinder Stroke
- 34.4 in
- Apron Cylinder Bore
- 8.2 in
- Apron Cylinder Stroke
- 28.6 in
- Ejector Cylinder Bore
- 8.2 in
- Ejector Cylinder Stroke
- 74.0 in
- Steering Circuit
- 100.0 gal/min
- Scraper Circuit
- 91.0 gal/min
- Cushion Hitch Circuit
- 9.0 gal/min
- Secondary Steering Circuit
- 100.0 gal/min
- Relief Valve - Steering Circuit
- 1987.0 psi
- Relief Valve - Implement Circuit
- 2030.0 psi
- Compensator Setting - Cushion Hitch Circuit
- 2320.0 psi
- Width - 180° Turn
- 40.02 ft
- Width - 180° Turn, right
- 40.1 ft
- Steering Angle - Right
- 90°
- Steering Angle - Left
- 85°
- Hydraulic Output
- 100.0 gal/min
- Crankcase
- 11.9 gal
- Fuel Tank - 637G
- 335.0 gal
- Transmission
- 29.0 gal
- Differential
- 39.0 gal
- Final Drive (per side)
- 6.1 gal
- Cooling System
- 29.0 gal
- Hydraulic Reservoir
- 50.2 gal
- Wheel Coolant (each)
- 19.8 gal
- Windshield Washer
- 1.5 gal
- Fuel Tank - 637G
- 335.0 gal
- Crankcase
- 7.9 gal
- Transmission
- 19.0 gal
- Differential
- 3.2 gal
- Final Drive (per side)
- 5.0 gal
- Wheel Coolant (each)
- 19.8 gal
- Cooling System
- 20.0 gal
- Width - Overall Machine
- 155.0 in
- Width - Tractor
- 137.0 in
- Width - rear tire center lines
- 97.0 in
- Width - Inside of Bowl
- 134.0 in
- Width - Outside Rear Tires
- 143.2 in
- Width - outside bowl (shipping width)
- 154.0 in
- Height - Overall Shipping
- 168.8 in
- Height - Top of Cab
- 146.3 in
- Ground Clearance - Tractor
- 26.2 in
- Front of Tractor to Front Axle
- 132.2 in
- Axle to Vertical Hitch Pin
- 21.6 in
- Height - Scraper Blade Maximum
- 21.5 in
- Wheelbase
- 345.2 in
- Length - overall machine
- 573.4 in
- Rear Axle to Rear of Machine
- 95.97 in
- Bail Length - max. (push-pull)
- 195.3 in
- Extended Push Block (push-pull)
- 108.0 in
- Total Shipping
- 112760.0 lb
- Tractor Shipping
- 66529.0 lb
- Scraper Shipping
- 46231.0 lb
- Total Operating - empty
- 114744.0 lb
- Front Axle
- 67700.0 lb
- Rear Axle
- 47044.0 lb
- Total Operating - loaded
- 196944.0 lb
- Front Axle Weight - loaded
- 96503.0 lb
- Rear Axle Weight - loaded
- 100441.0 lb
- Total Shipping
- 116100.0 lb
- Tractor Shipping
- 68499.0 lb
- Scraper Shipping
- 47601.0 lb
- Total Operating - empty
- 118084.0 lb
- Front Axle
- 69670.0 lb
- Rear Axle
- 48414.0 lb
- Total Operating - loaded
- 200284.0 lb
- Front Axle - loaded
- 98139.0 lb
- Rear Axle (Loaded)
- 102145.0 lb
- 1 Forward
- 3.4 mph
- 2 Forward
- 6.2 mph
- 3 Forward
- 7.6 mph
- 4 Forward
- 10.3 mph
- 5 Forward
- 13.8 mph
- 6 Forward
- 18.7 mph
- 7 Forward
- 25.2 mph
- 8 Forward
- 34.1 mph
- Reverse
- 6.2 mph
-
ELECTRICAL
- Alarm, backup
- Alternator, 75 amp - tractor engine
- Alternator, 35 amp - scraper engine
- Batteries (4), 12V Maintenance Free, High Output
- Batteries (2), 12V Maintenance Free, High Output
- Electrical System, 24V
- Array
- Array
- Starting Receptacle - tractor and scraper engines
-
OPERATOR ENVIRONMENT
- Air Conditioner (includes heater and defroster)
- Cigarette Lighter and Ashtray
- Coat Hook
- Diagnostic Connection Port (12V)
- Dome Courtesy Light
- Array
- Horn
- Implement Control Joystick
- Rearview Mirrors
- Radio Ready (two radio openings, speakers, and 5-amp converter)
- ROPS Cab with Sound Suppression and Pressurization
- Static Seatbelt
- Scraper Engine Controls
- Seat, Air Suspension, Caterpillar Comfort, cloth
- Steering Wheel - tilt and telescoping
- Storage Compartment
- Throttle Lock
- Transmission Hold
- Windows - sliding side, swing out
- Windshield - laminated glass
- Windshield Wiper/Washer - front and rear
-
POWER TRAIN
- Array
- Array
- Array
-
OTHER STANDARD EQUIPMENT
- Extended Life Coolant, -36° C (-33° F)
- Fan hub, permanent lube
- Fast Oil Change
- Fenders
- Rims - 35 inch (2)
- Tires, 37.50-R35 radial
- Array
- Array
- Auger
- Crankcase Guard, Heavy Duty
- Extended Life Coolant, -50° C (-58° F)
- Fan, Defrost
- Heater - jacket water (all engines)
- Hydraulic Retarder
- Lights, Side Vision
- Lock, Steering
- Powertrain Guard
- Push Block - extended (scraper)
- Push-Pull Arrangement w/ Rear Radiator Guard
- Retractable seat belts
- Secondary Steering