637K - 2016, Tier 2, Stage II Wheel Tractor-Scraper

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637K – 2016, Tier 2, Stage II

637K Wheel Tractor-Scraper

Are you looking to increase jobsite productivity while also saving money? If so, look no further than the 637K – 2016, Tier 2, Stage II. Everything about this wheel tractor scraper is designed for added productivity, from an improved cab that now offers more comfort and visibility to high-pressure steering, which significantly reduces steering efforts. Are you interested in learning more about the 637K – 2016, Tier 2, Stage II? If so, contact us. As your premier CAT® dealer, our experts are dedicated to helping you find the right solution for your needs.

  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • 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 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
      • 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
    • 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

  • 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
    • Year of manufacture plate
  • SERVICE INSTRUCTIONS
    • Film arrangement – International (ISO)

Specs

Overview

Long Name:
637K Wheel Tractor-Scraper
Name:
637K (Tier 2/Stage II)
Brand:
Caterpillar
Status:
Noncurrent

General

180° Curb-to-Curb Turning Width:
40.12 ft / 12.23 m
Fuel Tank Refill Capacity - Scraper:
370 gal (US) / 1400 l
Maximum Depth of Cut:
17.7 in / 450 mm
Maximum Depth of Spread:
21.1 in / 535 mm
Overall Shipping Height:
13.62 ft / 4.15 m
Overall Width:
12.93 ft / 3.94 m
Rated Load:
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped:
34 yd³ / 26 m³
Scraper Capacity - Struck:
24 yd³ / 18.3 m³
Tires - Scraper:
37.25R35**E3
Tires - Tractor:
37.25R35**E3
Top Speed - Loaded:
34.7 mile/h / 55.8 km/h
Width - Cut:
11.5 ft / 3.51 m

Engine

Emissions:
Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Scraper:
Cat C9.3 ACERT
Engine Model - Tractor:
Cat C18 ACERT™
Flywheel Power - Scraper:
290 HP / 216 kW
Flywheel Power - Tractor:
570 HP / 425 kW
Rated Engine RPM - Scraper:
2150 r/min / 2150 r/min
Rated Engine RPM - Tractor:
1900 r/min / 1900 r/min

Tractor Engine

Flywheel Power - Tractor/Scraper:
570 HP / 425 kW

Scraper Bowl

Scraper Capacity - Heaped:
34 yd³ / 26 m³

Transmission

Top Speed - Loaded:
34.7 mile/h / 55.8 km/h

Service Refill Capacities

Cooling System - Scraper:
16.1 gal (US) / 61 l
Cooling System - Tractor:
19.8 gal (US) / 75 l
Crankcase - Scraper:
6.5 gal (US) / 24.5 l
Crankcase - Tractor:
13.7 gal (US) / 52 l
Fuel Tank:
370 gal (US) / 1400 l
Hydraulic System:
37.5 gal (US) / 142 l
Transmission System - Scraper:
12.9 gal (US) / 49 l
Transmission System - Tractor:
29 gal (US) / 110 l

Dimensions

Front of Tractor to Front Axle:
142.2 in / 3612 mm
Axle to Vertical Hitch Pin:
20 in / 509 mm
Wheel Base:
346.8 in / 8808 mm
Rear Axle - Rear of Machine:
90.2 in / 2292 mm
Extended Push Block (Push-Pull):
108 in / 2744 mm
Ground Clearance - Tractor:
26.1 in / 664 mm
Height - Overall Shipping:
163.2 in / 4145 mm
Height - Scraper Blade Maximum:
20 in / 510 mm
Height - Top of Cab:
147 in / 3733 mm
Length - Maximum (Push-Pull):
655.1 in / 16640 mm
Length - Overall Machine - Standard:
597 in / 15164 mm
Width - Inside of Bowl:
134 in / 3404 mm
Width - Outside Rear Tires:
143.2 in / 3636 mm
Width - Overall Machine:
155 in / 3937 mm
Width - Rear Tire Centers:
96.9 in / 2462 mm
Width - Tractor:
137.8 in / 3499 mm

Non Push-Pull

Operating Weight - Empty:
114950 lb / 52140 kg
Overall Length:
49.34 ft / 15.04 m

Push-Pull

Operating Weight - Empty:
119060 lb / 54005 kg
Overall Length - With Bail Down:
54.59 ft / 16.64 m

Cab

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.”

Safety Criteria Compliance 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

Travel Speeds - Runout

Transmission Gear - Eighth:
34.7 mile/h / 55.8 km/h
Transmission Gear - Fifth:
14.1 mile/h / 22.7 km/h
Transmission Gear - First:
3.4 mile/h / 5.5 km/h
Transmission Gear - Fourth:
10.5 mile/h / 16.9 km/h
Transmission Gear - Reverse:
6.2 mile/h / 9.9 km/h
Transmission Gear - Second:
6.2 mile/h / 10 km/h
Transmission Gear - Seventh:
25.7 mile/h / 41.95 km/h
Transmission Gear - Sixth:
19 mile/h / 30.6 km/h
Transmission Gear - Third:
7.7 mile/h / 12.4 km/h

Implement Cycle Times

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