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637K Wheel Tractor-Scraper
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Learn more about the 637K Wheel Tractor-Scraper
Product Specs
General
| Rated Load | 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons) |
| Fuel Tank Refill Capacity - Scraper | 370 gal (US) |
| 180° Curb-to-Curb Turning Width | 40.12 ft |
| Overall Shipping Height | 13.62 ft |
| Overall Width | 12.93 ft |
| Top Speed - Loaded | 34.7 mile/h |
| Scraper Capacity - Heaped | 34 yd³ |
| Width - Cut | 11.5 ft |
| Maximum Depth of Cut | 17.7 in |
| Tires - Scraper | 37.25R35**E3 |
| Maximum Depth of Spread | 21.1 in |
| Scraper Capacity - Struck | 24 yd³ |
| Tires - Tractor | 37.25R35**E3 |
Engine
| Rated Engine RPM - Tractor | 1900 r/min |
| Rated Engine RPM - Scraper | 2150 r/min |
| Flywheel Power - Scraper | 290 HP |
| Engine Model - Scraper | Cat C9.3 |
| Emissions | Cat C9.3 and C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards. |
| Flywheel Power - Tractor | 570 HP |
| Engine Model - Tractor | Cat C18 |
Tractor Engine
| Flywheel Power - Tractor/Scraper | 570 HP |
Scraper Bowl
| Scraper Capacity - Heaped | 34 yd³ |
Transmission
| Top Speed - Loaded | 34.7 mile/h |
Service Refill Capacities
| Crankcase - Tractor | 13.7 gal (US) |
| Crankcase - Scraper | 6.5 gal (US) |
| Transmission System - Tractor | 29 gal (US) |
| Hydraulic System | 37.5 gal (US) |
| Diesel Exhaust Fluid - Scraper | 5.8 gal (US) |
| Diesel Exhaust Fluid - Tractor | 8 gal (US) |
| Fuel Tank | 370 gal (US) |
| Transmission System - Scraper | 12.9 gal (US) |
| Cooling System - Scraper | 16.1 gal (US) |
| Cooling System - Tractor | 19.8 gal (US) |
Dimensions
| Front of Tractor to Front Axle | 142.2 in |
| Axle to Vertical Hitch Pin | 20 in |
| Wheel Base | 346.8 in |
| Rear Axle - Rear of Machine | 90.2 in |
| Width - Inside of Bowl | 134 in |
| Height - Scraper Blade Maximum | 20 in |
| Length - Overall Machine - Standard | 597 in |
| Height - Overall Shipping | 163.2 in |
| Width - Outside Rear Tires | 143.2 in |
| Length - Maximum (Push-Pull) | 655.1 in |
| Extended Push Block (Push-Pull) | 108 in |
| Width - Rear Tire Centers | 96.9 in |
| Width - Overall Machine | 155 in |
| Width - Tractor | 137.8 in |
| Height - Top of Cab | 147 in |
| Ground Clearance - Tractor | 26.1 in |
Non Push-Pull
| Overall Length | 49.34 ft |
| Operating Weight - Empty | 114950 lb |
Push-Pull
| Overall Length - With Bail Down | 54.59 ft |
| Operating Weight - Empty | 119060 lb |
Cab
| ROPS/FOPS | ROPS/FOPS meet “ISO Standards.” |
| Exterior Sound Level | The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A). |
Safety Criteria Compliance Standards
| Seat Belt | SAE J386:FEB2006 |
| Reverse Alarm | ISO 9533:2010 |
| Rollover Protection Structure (ROPS) | ISO 3471:2008 for up to 21 282 kg (46,919 lb) |
| Brakes | ISO 3450:2011 |
| Falling Object Protective Structure (FOPS) | ISO 3449:2005 Level II |
| Steering System | ISO 5010:2007 |
Travel Speeds - Runout
| Transmission Gear - Third | 7.7 mile/h |
| Transmission Gear - Reverse | 6.2 mile/h |
| Transmission Gear - First | 3.4 mile/h |
| Transmission Gear - Seventh | 25.7 mile/h |
| Transmission Gear - Fifth | 14.1 mile/h |
| Transmission Gear - Eighth | 34.7 mile/h |
| Transmission Gear - Fourth | 10.5 mile/h |
| Transmission Gear - Second | 6.2 mile/h |
| Transmission Gear - Sixth | 19 mile/h |
Implement Cycle Times
| Bail Lower | 2.1 s |
| Ejector Extend | 8.5 s |
| Apron Lower | 3.8 s |
| Bowl Raise | 3.5 s |
| Bowl Lower | 3.5 s |
| Apron Raise | 4 s |
| Bail Raise | 1.5 s |
| Ejector Retract | 8.5 s |