637K Wheel Tractor-Scraper
Cat’s 637K 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.
Tractor Engine
Flywheel Power - Tractor/Scraper
Scraper Bowl
Scraper Capacity - Heaped
Transmission
Top Speed - Loaded
Dimensions
Front of Tractor to Front Axle
Axle to Vertical Hitch Pin
Wheel Base
Rear Axle - Rear of Machine
Width - Inside of Bowl
Height - Scraper Blade Maximum
Length - Overall Machine - Standard
Height - Overall Shipping
Width - Outside Rear Tires
Length - Maximum (Push-Pull)
Extended Push Block (Push-Pull)
Width - Rear Tire Centers
Width - Overall Machine
Width - Tractor
Height - Top of Cab
Ground Clearance - Tractor
General
Rated Load
Fuel Tank Refill Capacity - Scraper
180° Curb-to-Curb Turning Width
Overall Shipping Height
Overall Width
Top Speed - Loaded
Scraper Capacity - Heaped
Width - Cut
Maximum Depth of Cut
Tires - Scraper
Maximum Depth of Spread
Scraper Capacity - Struck
Tires - Tractor
Engine
Rated Engine RPM - Tractor
Rated Engine RPM - Scraper
Flywheel Power - Scraper
Engine Model - Scraper
Emissions
Flywheel Power - Tractor
Engine Model - Tractor
Service Refill Capacities
Crankcase - Tractor
Crankcase - Scraper
Transmission System - Tractor
Hydraulic System
Diesel Exhaust Fluid - Scraper
Diesel Exhaust Fluid - Tractor
Fuel Tank
Transmission System - Scraper
Cooling System - Scraper
Cooling System - Tractor
Non Push-Pull
Overall Length
Operating Weight - Empty
Push-Pull
Overall Length - With Bail Down
Operating Weight - Empty
Cab
ROPS/FOPS
Exterior Sound Level
Safety Criteria Compliance Standards
Seat Belt
Reverse Alarm
Rollover Protection Structure (ROPS)
Brakes
Falling Object Protective Structure (FOPS)
Steering System
Travel Speeds - Runout
Transmission Gear - Third
Transmission Gear - Reverse
Transmission Gear - First
Transmission Gear - Seventh
Transmission Gear - Fifth
Transmission Gear - Eighth
Transmission Gear - Fourth
Transmission Gear - Second
Transmission Gear - Sixth
Implement Cycle Times
Bail Lower
Ejector Extend
Apron Lower
Bowl Raise
Bowl Lower
Apron Raise
Bail Raise
Ejector Retract
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Power Train – Tractor
-
- 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:
- Primary and secondary, wet disc, hydraulic actuated
- Parking, hydraulic-released, spring-applied
- Throttle lock
- Transmission:
- 8-speed planetary power shift
- ECPC control
- APECS software
- Programmable top gear selection
- Transmission hold
- Differential lock
- Guard, power train
- Standard tire spin reduction
- Ground speed control
- Machine speed limit
- Differential lock protection
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- Power Train – Scraper
-
- Cat C9.3 engine:
- High pressure common rail fuel
- Constant lift engine brake
- 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:
- Primary and secondary, dry caliper, hydraulic actuated
- Transmission:
- 4-speed (torque converter drive)
- Planetary power shift
- Cat C9.3 engine:
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- Electrical – Tractor
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- Alternator, 150 Amp
- Batteries (4), 12V, 1,000 CCA, maintenance free, high output
- Electrical system, 24V
- Lighting system:
- Headlights, LED
- Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
- Starting/charging receptacle
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- Electrical – Scraper
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- Alarm, backup
- Batteries (4) 12V, 1,000 CCA, maintenance free, high output
- Alternator, 65 Amp
- Electrical system, 24V
- Lighting system:
- Brake lights, LED
- Turn signals with hazard function, LED
-
- Operator Environment – Tractor
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- 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:
- Throttle lock
- Wipers/washers
- Hazard lights
- Retarding level select
- Work lights on, off
- Information mode on Messenger Display
- 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:
- Coolant temperature
- Engine oil temperature
- Hydraulic oil temperature
- Diesel Particulate Filter (DPF) temperature
- Fuel level
- Park brake
- Implement lockout
- Brake system
- Regeneration required
- Throttle lock
- System voltage
- Secondary steering
- Bail down
- Ejector auto
- Differential lock
- Apron float
- Transmission hold
- Cushion hitch
- High beam lights
- Action lamp
- Engine speed, rpm
- Gear selection
- DEF fill levels
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- Fluids
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- Extended Life Coolant to –37° C (–34° F)
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- Other Standard Equipment – Tractor
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- 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
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- Other Standard Equipment – Scraper
-
- Bowl:
- 18.3 m3 (24 yd3), struck
- 26 m3 (34 yd3), heaped
- Vandalism locks
- Scraper fenders
- Overflow guard
- Fast oil change
- Rims (2)
- Hydraulic position sensing cylinders (bowl lift and apron)
- Bowl:
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Steering Arrangements
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- Secondary Steering Arrangement
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- Integrated Technologies
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- Sequence Assist Arrangement with Payload Estimator
- Load Assist
- Cat Grade Control with Load Assist
- Advanced Tire Spin Reduction
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- Other Attachments
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- Camera arrangement – Work Area Vision System (WAVS)
- Cab beacon
- Air horn
- Air horn and beacon
- Wiring group
- Push Pull
-
- Service Instructions
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- Film arrangement – U.S. (ANSI)
- Film arrangement – International (ISO)
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