637 coal bowls are longer and higher than standard wheel tractor scraper bowls, allowing them to haul 38 m (50 yd) of low density loose coal. The bowls are designed and built to specifically deliver in coming loose coal to the stock pile and reserve stock piled coal to the feeder system.
Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long
Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications
New safety features help operators be more productive and work more efficiently all day long
| Emissions | Cat® C9.3 and Cat® C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards. |
|---|---|
| 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 |
| 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 |
| Overall Length | 609.5 in |
| Operating Weight - Empty | 117782 lb |
| Fuel Tank Refill Capacity - Scraper | 370 gal (US) |
| Flywheel Power - Tractor/Scraper | 425 kW (570 hp)/216 kW (290 hp) |
|---|
| 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 |
| Real Wheels (Each) | 2.37 gal (US) |
|---|---|
| Crankcase - Scraper | 6.5 gal (US) |
| Crankcase - Tractor | 13.7 gal (US) |
| Transmission System - Tractor | 29 gal (US) |
| Cooling System - Tractor | 19.8 gal (US) |
| Cooling System - Scraper | 16.1 gal (US) |
| Transmission System - Scraper | 12.9 gal (US) |
| Fuel Tank | 370 gal (US) |
| Diesel Exhaust Fluid - Tractor | 8 gal (US) |
| Hydraulic System | 37.5 gal (US) |
| Diesel Exhaust Fluid - Scraper | 5.8 gal (US) |
| Differential | 40.4 gal (US) |
|---|---|
| Windshield Washer | 1.3 gal (US) |
| Final Drive - Each | 8.71 gal (US) |
| Differential | 6.1 gal (US) |
|---|---|
| Final Drive - Each | 4.8 gal (US) |
| 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 Bowl - Shipping Width | 143.1 in |
| Height - Overall Shipping | 163 in |
| Height - Top of Cab | 147 in |
| Front of Tractor to Front Axle | 142.2 in |
| Ground Clearance - Tractor | 26.1 in |
| Axle to Vertical Hitch Pin | 20 in |
| Height - Scraper Blade Maximum | 21.2 in |
| Wheel Base | 376.8 in |
| Length - Overall Machine - Standard | 609.5 in |
| Rear Axle - Rear of Machine | 95.4 in |
| Width - Outside Rear Tires | 143.2 in |
| Steering System | ISO 5010:2007 |
|---|---|
| Seat Belt | SAE J386:FEB2006 |
| Reverse Alarm | ISO 9533:2010 |
| Brakes | ISO 3450:2011 |
| 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 |
| Bowl Lower | 3.5 s |
|---|---|
| Bowl Raise | 3.5 s |
| Bail Lower | 2.1 s |
| Bail Raise | 1.5 s |
| Apron Lower | 3.8 s |
| Apron Raise | 4 s |
| Ejector Retract | 8.5 s |
| Ejector Extend | 8.5 s |
| 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 |
| Top Speed - Loaded | 34.7 mile/h |
|---|---|
| Scraper Capacity - Heaped | 50 yd³ |
