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.
Flywheel Power - Tractor/Scraper 570 hp
Scraper Capacity - Heaped 34 yd³
Top Speed - Loaded 34.7 mile/h
Front of Tractor to Front Axle 142.2 in
Flywheel Power - Tractor/Scraper 570hp
Scraper Capacity - Heaped 34yd³
Top Speed - Loaded 34.7mile/h
Axle to Vertical Hitch Pin 20in
Extended Push Block (Push-Pull) 108in
Front of Tractor to Front Axle 142.2in
Ground Clearance - Tractor 26.1in
Height - Overall Shipping 163.2in
Height - Scraper Blade Maximum 20in
Height - Top of Cab 147in
Length - Maximum (Push-Pull) 655.1in
Length - Overall Machine - Standard 597in
Rear Axle - Rear of Machine 90.2in
Wheel Base 346.8in
Width - Inside of Bowl 134in
Width - Outside Rear Tires 143.2in
Width - Overall Machine 155in
Width - Rear Tire Centers 96.9in
Width - Tractor 137.8in
180° Curb-to-Curb Turning Width 40.12ft
Fuel Tank Refill Capacity - Scraper 370gal (US)
Maximum Depth of Cut 17.7in
Maximum Depth of Spread 21.1in
Overall Shipping Height 13.62ft
Overall Width 12.93ft
Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped 34yd³
Scraper Capacity - Struck 24yd³
Tires - Scraper 37.25R35**E3
Tires - Tractor 37.25R35**E3
Top Speed - Loaded 34.7mile/h
Width - Cut 11.5ft
Emissions Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Engine Model - Scraper Cat C9.3
Engine Model - Tractor Cat C18
Flywheel Power - Scraper 290hp
Flywheel Power - Tractor 570hp
Rated Engine RPM - Scraper 2150r/min
Rated Engine RPM - Tractor 1900r/min
Cooling System - Scraper 16.1gal (US)
Cooling System - Tractor 19.8gal (US)
Crankcase - Scraper 6.5gal (US)
Crankcase - Tractor 13.7gal (US)
Diesel Exhaust Fluid - Scraper 5.8gal (US)
Diesel Exhaust Fluid - Tractor 8gal (US)
Fuel Tank 370gal (US)
Hydraulic System 37.5gal (US)
Transmission System - Scraper 12.9gal (US)
Transmission System - Tractor 29gal (US)
Operating Weight - Empty 114950lb
Overall Length 49.34ft
Operating Weight - Empty 119060lb
Overall Length - With Bail Down 54.59ft
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
ROPS/FOPS ROPS/FOPS meet “ISO Standards.”
Brakes ISO 3450:2011
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Reverse Alarm ISO 9533:2010
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt SAE J386:FEB2006
Steering System ISO 5010:2007
Transmission Gear - Eighth 34.7mile/h
Transmission Gear - Fifth 14.1mile/h
Transmission Gear - First 3.4mile/h
Transmission Gear - Fourth 10.5mile/h
Transmission Gear - Reverse 6.2mile/h
Transmission Gear - Second 6.2mile/h
Transmission Gear - Seventh 25.7mile/h
Transmission Gear - Sixth 19mile/h
Transmission Gear - Third 7.7mile/h
Apron Lower 3.8s
Apron Raise 4s
Bail Lower 2.1s
Bail Raise 1.5s
Bowl Lower 3.5s
Bowl Raise 3.5s
Ejector Extend 8.5s
Ejector Retract 8.5s
Standard and optional equipment may vary. Consult your Cat dealer for details.
Cat C18 engine with MEUI™
Compression engine brake
Electric start, 24V
Air cleaner, dry type with precleaner
Fan, hydraulic
Ground level engine shutdown
Radiator, aluminum unit core, 9 fins per inch
Guard, crankcase
Starting aid, ether
Braking system:
Throttle lock
Transmission:
Cat C9.3 engine:
Electric start, 24V
Air cleaner, dry type with precleaner
Fan, mechanical driven
Ground level engine shutdown
Radiator, aluminum unit core, 9 fins per inch
Starting aid, either
Braking system:
Transmission:
Alternator, 150 Amp
Batteries (4), 12V, 1,000 CCA, maintenance free, high output
Electrical system, 24V
Lighting system:
Starting/charging receptacle
Alarm, backup
Batteries (4) 12V, 1,000 CCA, maintenance free, high output
Alternator, 65 Amp
Electrical system, 24V
Lighting system:
HVAC system, heat, AC, defrost
Thermostat control of HVAC system
Coat hook
Lunchbox platform with holding strap
Diagnostic connection (2)
12V power ports (2)
Differential lock (1)
Dome courtesy light
Horn, electric
T-Handle implement control
Mirror, rearview
Radio ready
ROPS/FOPS cab, pressurized
Keypad switches:
Safety tab rocker switches
Seat belt, static two-piece
Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
Steering wheel, tilt, telescoping, padded
Windows, right side emergency egress
Windows, sliding
Windows, laminated, zipped in
Windshield wipers, front and rear windows, includes washers
Door lock
Messenger Display
Gauges, warnings include:
Extended Life Coolant to –37° C (–34° F)
Advanced cushion hitch
Accumulators (cushion hitch) with Canadian Registration Number (CRN)
Fast oil change
Fenders, non-metallic
Heater, engine coolant 120V
Rims (2)
Tow hooks, front
Vandalism locks
Heater, engine coolant 120V
Steering locks
Bowl:
Vandalism locks
Scraper fenders
Overflow guard
Fast oil change
Rims (2)
Hydraulic position sensing cylinders (bowl lift and apron)
Standard and optional equipment may vary. Consult your Cat dealer for details.
Secondary Steering Arrangement
Sequence Assist Arrangement with Payload Estimator
Load Assist
Cat Grade Control with Load Assist
Advanced Tire Spin Reduction
Camera arrangement – Work Area Vision System (WAVS)
Cab beacon
Air horn
Air horn and beacon
Wiring group
Push Pull
Film arrangement – U.S. (ANSI)
Film arrangement – International (ISO)
