637K Wheel Tractor – Coal Bowl Scraper

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Engine

Flywheel Power: Tractor/Scraper: 425 kW (570 hp)/216 kW (290 hp)

Operating Specifications

Scraper Capacity: Heaped: 50 yd3
Top Speed (Loaded): 34.7 mph

General Data

Fuel Tank Refill Capacity: Scraper: 370 gal
Overall Width: 12.93 ft
Overall Shipping Height: 13.62 ft
Scraper Capacity: Struck: 41 yd3
Scraper Capacity: Heaped: 50 yd3
Rated Load: 37 285 kg (82,200 lb)/37.285 tonnes (41.1 tons)
Width of Cut: 11.50 ft
Maximum Depth of Cut: 17.7 in
Maximum Depth of Spread: 21.1 in
Top Speed (Loaded): 34.7 mph
180° Curb-to-Curb Turning Width: 42.59 ft
Tires: Tractor: 37.25R35**E3
Tires: Scraper: 37.25R35**E3
Operating Weight (Empty): 117782 lb
Overall Length: 609.5 in
Engine Model: Tractor: Cat C18 ACERT™
Engine Model: Scraper: Cat C9.3 ACERT
Rated Engine RPM: Tractor: 1900 rpm
Rated Engine RPM: Scraper: 2150 rpm
Flywheel Power: Tractor: 570 hp
Flywheel Power: Scraper: 290 hp
Emissions: Cat C9.3 ACERT and Cat C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II equivalent emission standards.

Cab

ROPS/FOPS: Meet ISO standards
Exterior Sound Power Level: The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).

Safety Criteria Compliance Standards

Rollover Protection Structure (ROPS): ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Falling Object Protective Structure (FOPS): ISO 3449:2005 Level II
Brakes: ISO 3450:2011
Steering System: ISO 5010:2007
Seat Belt: SAE J386:FEB2006
Reverse Alarm: ISO 9533:2010

Travel Speeds (Runout)

Transmission Gear: First: 3.4 mph
Transmission Gear: Second: 6.2 mph
Transmission Gear: Third: 7.7 mph
Transmission Gear: Fourth: 10.5 mph
Transmission Gear: Fifth: 14.1 mph
Transmission Gear: Sixth: 19.0 mph
Transmission Gear: Seventh: 25.7 mph
Transmission Gear: Eighth: 34.7 mph
Transmission Gear: Reverse: 6.2 mph

Implement Cycle Times

Bowl Raise: 3.5 seconds
Bowl Lower: 3.5 seconds
Apron Raise: 4.0 seconds
Apron Lower: 3.8 seconds
Ejector Extend: 8.5 seconds
Ejector Retract: 8.5 seconds
Bail Raise: 1.5 seconds
Bail Lower: 2.1 seconds

Service Refill Capacities

Crankcase: Tractor: 13.7 gal
Crankcase: Scraper: 6.5 gal
Transmission System: Tractor: 29 gal
Transmission System: Scraper: 12.9 gal
Cooling System: Tractor: 19.8 gal
Cooling System: Scraper: 16.1 gal
Fuel Tank: 370 gal
Hydraulic System: 37.5 gal

Dimensions

Width – Overall Machine: 155 in
Width – Tractor: 137.8 in
Width – Rear Tire Centers: 96.9 in
Width – Inside of Bowl: 134 in
Width – Outside Rear Tires: 143.2 in
Height – Overall Shipping: 163 in
Height – Top of Cab: 147 in
Ground Clearance – Tractor: 26.1 in
Front of Tractor to Front Axle: 142.2 in
Axle to Vertical Hitch Pin: 20 in
Height –Scraper Blade Maximum: 21.2 in
Length–Overall Machine (Standard): 609.5 in
Rear Axle to Rear of Machine: 95.4 in
Wheelbase: 377 in

POWER TRAIN – TRACTOR
- Cat C18 ACERT 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 ACERT 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 CAA, 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
  - Fuel level
  - Park brake
  - Implement lockout
  - Brake system
  - 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
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
- Coal Bowl
  - 31 m3 (41 yd3), struck
  - 38 m3 (50 yd3), heaped
- Vandalism locks
- Scraper fenders
- Fast oil change
- Rims (2)
- Hydraulic position sensing cylinders (bowl lift and apron)

STEERING ARRANGEMENTS
- Secondary Steering Arrangement
INTEGRATED TECHNOLOGIES
- Sequence Assist Arrangement
- Advanced Tire Spin Reduction
OTHER ATTACHMENTS
- Camera arrangement – WAVS
- Cab beacon
- Air horn
- Air horn and beacon
- Wiring group
SERVICE INSTRUCTIONS
- Film arrangement – International (ISO)