Cat 637 Wheel Tractor-Scraper for Sale

637 Wheel Tractor-Scraper

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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Key Specs

Flywheel Power - Tractor/Scraper 570 hp
Scraper Capacity - Heaped 34 yd³
Top Speed - Loaded 34.7 mile/h

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Benefits

Increased Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Improved Productivity

Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications

Additional Safety

New safety features help operators be more productive and work more efficiently all day long

Specifications
Benefits and Features
Standard/Optional Features

Tractor Engine

Flywheel Power - Tractor/Scraper

570hp

Scraper Bowl

Scraper Capacity - Heaped

34yd³

Transmission

Top Speed - Loaded

34.7mile/h

Engine

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	1900r/min
Flywheel Power - Tractor	570hp
Engine Model - Scraper	Cat® C9.3
Rated Engine RPM - Scraper	2150r/min
Flywheel Power - Scraper	290hp

Travel Speeds - Runout

Transmission Gear - First	3.4mile/h
Transmission Gear - Second	6.2mile/h
Transmission Gear - Third	7.7mile/h
Transmission Gear - Fourth	10.5mile/h
Transmission Gear - Fifth	14.1mile/h
Transmission Gear - Sixth	19mile/h
Transmission Gear - Seventh	25.7mile/h
Transmission Gear - Eighth	34.7mile/h
Transmission Gear - Reverse	6.2mile/h

General

Overall Width	12.93ft
Overall Shipping Height	13.7ft
Scraper Capacity - Struck	24yd³
Scraper Capacity - Heaped	34yd³
Rated Load	37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Width - Cut	11.5ft
Maximum Depth of Cut	17.7in
Maximum Depth of Spread	21.1in
Top Speed - Loaded	34.7mile/h
180° Curb-to-Curb Turning Width	40.12ft
Tires - Tractor	37.25R35**E3
Tires - Scraper	37.25R35**E3
Fuel Tank Refill Capacity - Scraper	370gal (US)

Service Refill Capacities

Real Wheels (Each)	2.37gal (US)
Crankcase - Tractor	13.7gal (US)
Transmission System - Tractor	29gal (US)
Cooling System - Tractor	18.75gal (US)
Cooling System - Scraper	10.8gal (US)
Fuel Tank	370gal (US)
Hydraulic System	37.5gal (US)
Crankcase - Scraper	6.5gal (US)
Diesel Exhaust Fluid (DEF)*	8gal (US)
Diesel Exhaust Fluid - Scraper	5.8gal (US)
Transmission System - Scraper	12.9gal (US)
Diesel Exhaust Fluid - Tractor	8gal (US)

Dimensions

Width - Overall Machine	155in
Width - Overall Machine - Ladder Down	152.7in
Width - Tractor	137.8in
Width - Rear Tire Centers	96.9in
Width - Inside of Bowl	134in
Width - Outside Bowl - Shipping Width	143.1in
Height - Top of Cab	149.8in
Front of Tractor to Front Axle	142.2in
Ground Clearance - Tractor	26.1in
Axle to Vertical Hitch Pin	20in
Height - Scraper Blade Maximum	20in
Wheel Base	346.8in
Length - Overall Machine - Standard	597in
Length - Maximum (Push-Pull)	655.1in
Rear Axle - Rear of Machine	90.2in
Width - Outside Rear Tires	143.2in
Extended Push Block (Push-Pull)	108in
Height - Overall Shipping	163.2in

Non Push-Pull

Overall Length	49.34ft
Operating Weight - Empty	114950lb

Push-Pull

Operating Weight - Empty	119060lb
Overall Length - With Bail Down	54.59ft

Cab

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.”

Safety Criteria Compliance Standards

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

Implement Cycle Times

Bowl Raise	3.5s
Bowl Lower	3.5s
Apron Raise	4s
Apron Lower	3.8s
Ejector Extend	8.5s
Ejector Retract	8.5s
Bail Raise	1.5s
Bail Lower	2.1s

Be More Productive

Advanced productivity electronic control system (APECS) allows the engine and transmission to communicate on a high level. This communication allows the machine to better utilize the power and torque the engine is producing. The net result is moving more material.
Use ground speed control to set the desired top speed and the machine will find the gear that works best for the engine and the transmission, providing a lower fuel burn.
The machine speed limit feature replaces top gear selection, allowing the machine to find the correct gear that works best for the engine and transmission. Pulling the load in the correct gear, in most cases, results in a lower engine load factor and lower fuel burn.
Auto-stall assists in quickly bringing the transmission to an operating temperature at startup when the machine is working in a cold climate region.
Cat Payload for scrapers is an earthmoving solution for optimal payload and job site efficiency. Cat Payload achieves on-the-go weighing using bowl lift cylinder pressure during the loaded haul segment. Cat Payload is optimized to be used with sequence assist, which provides increased productivity with less operator effort. Cat Payload is an automatic feature when ordered with sequence assist.

Work in Comfort

Reduce up to 14 individual operator commands per cycle with Sequence Assist.
Steer with less effort using the newly designed high-pressure steering system.Enjoy interior improvements and a more ergonomic work environment with a 21% larger cab than the G Series cab.
Intuitive, ergonomic controls keep operators focused on their work.
Maintain desired cab temperature with automatic temperature
control.

Designed for Safety

Enhance an operator’s awareness of site surroundings with the Work Area Vision System (WAVS).
Get in and out of the cab easier with the new powered access ladder system (optional attachment).
Seat belt indicator provides visual and audible alerts when the seatbelt is not in use.
The Advanced Cushion Hitch allows the cushion hitch to prevent endstroke by predicting endstroke events and managing the rate of dampening, resulting in reduced hitch maintenance and improved operator ride in rough conditions.
Easy ground-level access to fuel fill, tractor fuel filters, and tractor engine oil filter.

Easy to Operate

The spacious cab features easy, intuitive controls and excellent visibility. The cab provides a comfortable working environment for all-day operations.
Cat Advanced Ride Management (ARM) seat suspension reduces end stroke movement of the load cylinder for a smoother ride.
Engine overspeed protection will automatically engage with no operator input when the machine is in eighth gear. The machine will assist in slowing the machine’s speed by canceling the throttle command and engaging the engine compression brake.

Integrated Cat Technologies

Monitor, manage, and enhance jobsite operations.
Hit target grade faster and more accurately with Cat Grade technologies. Finish jobs in fewer passes and with fewer operator efforts, saving you time and helping to increase profit.
Product Link™ collects machine data that can be viewed online
through web and mobile applications (optional attachment).
Access information anytime, anywhere with VisionLinkTM – use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety and security on your
jobsite.
Shorten the learning curve for inexperienced operators with
Sequence Assist and Load Assist (included with Cat Grade
attachment).

Execute Efficiency

The new tractor's hydraulic on-demand fan helps assist in lower fuel
consumption.
Using draft-arm overflow guards diverts material away from the bowl, preventing material from getting caught between the draft
arms and the bowl sides.
Cat Grade (optional attachment) intelligently ensures the machine does not cut below grade in a cut area or overfill in the fill area.

Standard Equipment

Note	Standard and optional equipment may vary. Consult your Cat dealer for details.

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

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

Electrical – Tractor

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

Electrical – Scraper

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

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

Fluids

Extended Life Coolant to –37° C (–34° F)

Other Standard Equipment – Tractor

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

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)

Optional Equipment

Note	Standard and optional equipment may vary. Consult your Cat dealer for details.

Steering Arrangements

Secondary Steering Arrangement

Integrated Technologies

Sequence Assist Arrangement with Payload Estimator
Load Assist
Cat Grade Control with Load Assist
Advanced Tire Spin Reduction

Other Attachments

Camera arrangement – Work Area Vision System (WAVS)
Cab beacon
Air horn
Air horn and beacon
Wiring group
Push Pull

Service Instructions

Film arrangement – U.S. (ANSI)
Film arrangement – International (ISO)