1-888-MICH-CAT

637K Wheel Tractor – Coal Bowl Scraper

Request a Quote
Download a Product Brochure

Product Specs

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 mile/h

General

Fuel Tank Refill Capacity - Scraper
370 gal (US)
Overall Width
12.93 ft
Overall Shipping Height
13.62 ft
Scraper Capacity - Struck
41 yd³
Scraper Capacity - Heaped
50 yd³
Rated Load
34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Width - Cut
11.5 ft
Maximum Depth of Cut
17.7 in
Maximum Depth of Spread
21.1 in
Top Speed - Loaded
34.7 mile/h
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
Engine Model - Scraper
Cat C9.3
Rated Engine RPM - Tractor
1900 r/min
Rated Engine RPM - Scraper
2150 r/min
Flywheel Power - Tractor
570 hp
Flywheel Power - Scraper
290 hp
Emissions
Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.

Cab

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

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

Implement Cycle Times

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

Service Refill Capacities

Crankcase - Tractor
13.7 gal (US)
Crankcase - Scraper
6.5 gal (US)
Transmission System - Tractor
29 gal (US)
Transmission System - Scraper
12.9 gal (US)
Cooling System - Tractor
19.8 gal (US)
Cooling System - Scraper
16.1 gal (US)
Diesel Exhaust Fluid - Tractor
8 gal (US)
Diesel Exhaust Fluid - Scraper
5.8 gal (US)
Fuel Tank
370 gal (US)
Hydraulic System
37.5 gal (US)

Dimensions

Width - Overall Machine
155 in
Width - Rear Tire Centers
96.9 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 - Rear of Machine
95.4 in
Height - Overall Shipping
163 in
Height - Top of Cab
147 in
Width - Inside of Bowl
134 in
Width - Outside Rear Tires
143.2 in
Width - Tractor
137.8 in
Wheel Base
377 in

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 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)

Attachments

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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 – U.S. (ANSI)
    • Film arrangement – International (ISO)

Pin It on Pinterest

Share This