637K Wheel Tractor – Coal Bowl Scraper
Engine
- Flywheel Power - Tractor/Scraper
-
425 kW (570 hp)/216 kW (290 hp)
Operating Specifications
- Scraper Capacity - Heaped
-
50yd³
- Top Speed - Loaded
-
34.7mile/h
General
- Fuel Tank Refill Capacity - Scraper
-
370gal (US)
- Overall Width
-
12.93ft
- Overall Shipping Height
-
13.62ft
- Scraper Capacity - Struck
-
41yd³
- Scraper Capacity - Heaped
-
50yd³
- Rated Load
-
34 472 kg (76,000 lb)/34.20 tonnes (38 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
-
42.59ft
- Tires - Tractor
-
37.25R35**E3
- Tires - Scraper
-
37.25R35**E3
- Operating Weight - Empty
-
117782lb
- Overall Length
-
609.5in
- Engine Model - Tractor
-
Cat C18
- Engine Model - Scraper
-
Cat C9.3
- Rated Engine RPM - Tractor
-
1900r/min
- Rated Engine RPM - Scraper
-
2150r/min
- Flywheel Power - Tractor
-
570HP
- Flywheel Power - Scraper
-
290HP
- 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
-
3.4mile/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
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
Service Refill Capacities
- Crankcase - Tractor
-
13.7gal (US)
- Crankcase - Scraper
-
6.5gal (US)
- Transmission System - Tractor
-
29gal (US)
- Transmission System - Scraper
-
12.9gal (US)
- Cooling System - Tractor
-
19.8gal (US)
- Cooling System - Scraper
-
16.1gal (US)
- Diesel Exhaust Fluid - Tractor
-
8gal (US)
- Diesel Exhaust Fluid - Scraper
-
5.8gal (US)
- Fuel Tank
-
370gal (US)
- Hydraulic System
-
37.5gal (US)
Dimensions
- Width - Overall Machine
-
155in
- Width - Rear Tire Centers
-
96.9in
- Ground Clearance - Tractor
-
26.1in
- Front of Tractor to Front Axle
-
142.2in
- Axle to Vertical Hitch Pin
-
20in
- Height - Scraper Blade Maximum
-
21.2in
- Length - Overall Machine - Standard
-
609.5in
- Rear Axle - Rear of Machine
-
95.4in
- Height - Overall Shipping
-
163in
- Height - Top of Cab
-
147in
- Width - Inside of Bowl
-
134in
- Width - Outside Rear Tires
-
143.2in
- Width - Tractor
-
137.8in
- Wheel Base
-
377in
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)
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
- 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)