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 621 Wheel Tractor-Scraper |
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Tractor Engine |
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| Flywheel Power - Tractor/Scraper | 304 kW (407 hp) | - | - |
Scraper Bowl |
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| Scraper Capacity - Heaped | 24 yd³ | - | - |
Transmission |
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| Top Speed - Loaded | 33.5 mile/h | - | - |
Dimensions |
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| Width - Overall Machine | 141.1 in | - | - |
| Width - Tractor | 133.1 in | - | - |
| Width - Inside of Bowl | 120 in | - | - |
| Width - Outside Rear Tires | 128.9 in | - | - |
| Height - Overall Shipping | 158.6 in | - | - |
| Height - Top of Cab | 142.2 in | - | - |
| Ground Clearance - Tractor | 21.9 in | - | - |
| Front of Tractor to Front Axle | 122.8 in | - | - |
| Axle to Vertical Hitch Pin | 21.3 in | - | - |
| Height - Scraper Blade Maximum | 20.5 in | - | - |
| Wheel Base | 314.9 in | - | - |
| Rear Axle - Rear of Machine | 114.1 in | - | - |
| Length - Overall Machine - Standard | 551.8 in | - | - |
| Length - Maximum (Push-Pull) | 613.2 in | - | - |
| Width - Overall Machine - Ladder Down | 149.2 in | - | - |
| Width - Rear Tire Centers | 90.2 in | - | - |
General |
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| Overall Shipping Height | 13.22 ft | - | - |
| Overall Width | 11.75 ft | - | - |
| Scraper Capacity - Heaped | 24 yd³ | - | - |
| Fuel Tank Refill Capacity - Scraper | 216.1 gal (US) | - | - |
| Tires - Scraper | 33.25R29**E3 | - | - |
| Width - Cut | 10.3 ft | - | - |
| Maximum Depth of Spread | 21.3 in | - | - |
| Top Speed - Loaded | 33.5 mile/h | - | - |
| Rated Load | 26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons) | - | - |
| 180° Curb-to-Curb Turning Width | 38.71 ft | - | - |
| Scraper Capacity - Struck | 17.1 yd³ | - | - |
| Maximum Depth of Cut | 12.4 in | - | - |
| Tires - Tractor Drive | 33.25R29**E3 | - | - |
Engine |
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| Engine Model - Tractor | Cat C13 | - | - |
| Flywheel Power - Tractor | 407 HP | - | - |
| Note | Cat C13 engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards. | - | - |
| Rated Engine RPM - Tractor | 2000 r/min | - | - |
Service Refill Capacities |
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| Hydraulic System | 21.926 gal (US) | - | - |
| Crankcase | 8.08 gal (US) | - | - |
| Transmission System | 24.76 gal (US) | - | - |
| Cooling System | 11.89 gal (US) | - | - |
| Fuel Tank | 216.09 gal (US) | - | - |
| Diesel Exhaust Fluid | 8.057 gal (US) | - | - |
Non Push-Pull |
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| Operating Weight - Empty | 79787 lb | - | - |
| Overall Length | 45.9 ft | - | - |
Push-Pull |
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| Overall Length - With Bail Down | 51.1 ft | - | - |
| Operating Weight - Empty | 80630 lb | - | - |
Cab |
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| Exterior Sound Level | The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A). | - | - |
| ROPS/FOPS | Meets SAE and ISO standards | - | - |
Safety Criteria Compliance Standards |
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| Rollover Protection Structure (ROPS) | ISO 3471:2008 for up to 17 084 kg (37,664 lb) | - | - |
| Brakes | ISO 3450:1996 | - | - |
| Reverse Alarm | ISO 9533:2010 | - | - |
| Falling Object Protective Structure (FOPS) | ISO 3449:2005 Level II | - | - |
| Seat Belt | SAE J386:JUN1985 | - | - |
| Steering System | ISO 5010:2007 | - | - |
Travel Speeds - Runout |
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| Transmission Gear - Seventh | 24.8 mile/h | - | - |
| Transmission Gear - Fifth | 13.6 mile/h | - | - |
| Transmission Gear - First | 3.1 mile/h | - | - |
| Transmission Gear - Sixth | 18.4 mile/h | - | - |
| Transmission Gear - Second | 5.5 mile/h | - | - |
| Transmission Gear - Third | 7.5 mile/h | - | - |
| Transmission Gear - Fourth | 10.1 mile/h | - | - |
| Transmission Gear - Eighth | 33.5 mile/h | - | - |
| Transmission Gear - Reverse | 5.7 mile/h | - | - |
Implement Cycle Times |
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| Apron Raise | 2.95 s | - | - |
| Bowl Raise | 3 s | - | - |
| Ejector Retract | 6.7 s | - | - |
| Bowl Lower | 3.5 s | - | - |
| Apron Lower | 3.8 s | - | - |
| Ejector Extend | 5.2 s | - | - |
| Bail Lower | 3.2 s | - | - |
| Bail Raise | 1.8 s | - | - |
