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 621 Wheel Tractor-Scraper |
 651 Wheel Tractor-Scraper |
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Tractor Engine |
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| Flywheel Power - Tractor/Scraper | 304 kW (407 hp) | 469kW (629 hp) | - |
| Net Power | - | 469 kW/637 hp | - |
| Gross Power (SAE J1995) | - | 637 hp | - |
| Net Power (ISO 14396) | - | 585 hp | - |
| Net Power (SAE J1349/ISO 9249) | - | 592 hp | - |
| Bore | - | 5.7 in | - |
| Stroke | - | 7.2 in | - |
| Displacement | - | 1105 in³ | - |
Scraper Bowl |
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| Scraper Capacity - Heaped | 24 yd³ | 44 yd³ | - |
| Rated Load | - | 104058 lb | - |
| Capacity - Struck | - | 32 yd³ | - |
| Depth of Cut - Maximum | - | 17.3 in | - |
| Width - Cut - To Router Bits | - | 12.5 ft | - |
| Ground Clearance - Maximum | - | 2.3 ft | - |
| Hyd. Penetration Force - 657G | - | 121000 lb | - |
| Depth of Spread - Maximum | - | 26 in | - |
| Apron Opening | - | 92 in | - |
| Apron Closure Force | - | 39200 lb | - |
Transmission |
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| Top Speed - Loaded | 33.5 mile/h | 34.9 mile/h | - |
| 1 Forward | - | 3.5 mile/h | - |
| 2 Forward | - | 6.5 mile/h | - |
| 3 Forward | - | 7.8 mile/h | - |
| 4 Forward | - | 10.6 mile/h | - |
| 5 Forward | - | 14.2 mile/h | - |
| 6 Forward | - | 19.2 mile/h | - |
| 7 Forward | - | 25.7 mile/h | - |
| 8 Forward | - | 34.9 mile/h | - |
| Reverse | - | 6.7 mile/h | - |
Dimensions |
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| Width - Overall Machine | 141.1 in | 14.3 ft | - |
| Width - Tractor | 133.1 in | 12.3 ft | - |
| Width - Inside of Bowl | 120 in | 12.07 ft | - |
| Width - Outside Rear Tires | 128.9 in | - | - |
| Height - Overall Shipping | 158.6 in | 15.29 ft | - |
| Height - Top of Cab | 142.2 in | 12.86 ft | - |
| Ground Clearance - Tractor | 21.9 in | 2.3 ft | - |
| Front of Tractor to Front Axle | 122.8 in | 14.93 ft | - |
| Axle to Vertical Hitch Pin | 21.3 in | 1.8 ft | - |
| Height - Scraper Blade Maximum | 20.5 in | 2.17 ft | - |
| Wheel Base | 314.9 in | 32.68 ft | - |
| Rear Axle - Rear of Machine | 114.1 in | 8.07 ft | - |
| Width - Overall Machine - Ladder Down | 149.2 in | - | - |
| Length - Overall Machine - Standard | 551.8 in | - | - |
| Length - Maximum (Push-Pull) | 613.2 in | - | - |
| Width - Rear Tire Centers | 90.2 in | - | - |
| Width - Rear Tire Center Lines | - | 9.21 ft | - |
| Width - Outside Bowl - Shipping Width | - | 12.98 ft | - |
| Length - Overall Machine | - | 58.96 ft | - |
General |
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| Maximum Depth of Cut | 12.4 in | - | - |
| Fuel Tank Refill Capacity - Scraper | 216.1 gal (US) | - | - |
| 180° Curb-to-Curb Turning Width | 38.71 ft | - | - |
| Scraper Capacity - Heaped | 24 yd³ | - | - |
| Overall Width | 11.75 ft | - | - |
| Maximum Depth of Spread | 21.3 in | - | - |
| Overall Shipping Height | 13.22 ft | - | - |
| Tires - Tractor Drive | 33.25R29**E3 | - | - |
| Width - Cut | 10.3 ft | - | - |
| Scraper Capacity - Struck | 17.1 yd³ | - | - |
| Top Speed - Loaded | 33.5 mile/h | - | - |
| Tires - Scraper | 33.25R29**E3 | - | - |
| Rated Load | 26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons) | - | - |
Engine |
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| Note | Cat® C13 engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards. | - | - |
| Flywheel Power - Tractor | 407 hp | - | - |
| Rated Engine RPM - Tractor | 2000 r/min | - | - |
| Engine Model - Tractor | Cat® C13 | - | - |
| Tractor Engine | - | Cat C18 | - |
Service Refill Capacities |
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| Fuel Tank | 216.09 gal (US) | - | - |
| Crankcase | 8.08 gal (US) | - | - |
| Hydraulic System | 21.926 gal (US) | - | - |
| Diesel Exhaust Fluid | 8.057 gal (US) | - | - |
| Cooling System | 11.89 gal (US) | - | - |
| Transmission System | 24.76 gal (US) | - | - |
Non Push-Pull |
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| Overall Length | 45.9 ft | - | - |
| Operating Weight - Empty | 79787 lb | - | - |
Push-Pull |
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| Operating Weight - Empty | 80630 lb | - | - |
| Overall Length - With Bail Down | 51.1 ft | - | - |
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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| Reverse Alarm | ISO 9533:2010 | - | - |
| Brakes | ISO 3450:1996 | - | - |
| Rollover Protection Structure (ROPS) | ISO 3471:2008 for up to 17 084 kg (37,664 lb) | - | - |
| Falling Object Protective Structure (FOPS) | ISO 3449:2005 Level II | - | - |
| Steering System | ISO 5010:2007 | - | - |
| Seat Belt | SAE J386:JUN1985 | - | - |
Travel Speeds - Runout |
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| Transmission Gear - Eighth | 33.5 mile/h | - | - |
| Transmission Gear - Third | 7.5 mile/h | - | - |
| Transmission Gear - Fourth | 10.1 mile/h | - | - |
| Transmission Gear - First | 3.1 mile/h | - | - |
| Transmission Gear - Fifth | 13.6 mile/h | - | - |
| Transmission Gear - Reverse | 5.7 mile/h | - | - |
| Transmission Gear - Seventh | 24.8 mile/h | - | - |
| Transmission Gear - Sixth | 18.4 mile/h | - | - |
| Transmission Gear - Second | 5.5 mile/h | - | - |
Implement Cycle Times |
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| Ejector Retract | 6.7 s | - | - |
| Bail Raise | 1.8 s | - | - |
| Apron Raise | 2.95 s | - | - |
| Apron Lower | 3.8 s | - | - |
| Ejector Extend | 5.2 s | - | - |
| Bowl Raise | 3 s | - | - |
| Bowl Lower | 3.5 s | - | - |
| Bail Lower | 3.2 s | - | - |
Weights - Push-Pull |
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| Total Shipping | - | 160505 lb | - |
| Tractor Shipping | - | 93635 lb | - |
| Scraper Shipping | - | 64068 lb | - |
| Total Operating - Empty | - | 164244 lb | - |
| Front Axle | - | 93842 lb | - |
| Rear Axle | - | 66663 lb | - |
| Total Operating - Loaded | - | 268302 lb | - |
| Front Axle - Loaded | - | 134165 lb | - |
| Rear Axle - Loaded | - | 130340 lb | - |
Steering |
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| Width - 180° Turn - Right | - | 44.6 ft | - |
| Width - 180° Turn - Left | - | 47.57 ft | - |
| Steering Angle - Right | - | 90 | - |
| Steering Angle - Left | - | 85 | - |
Service Refill Capacities - Tractor |
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| Crankcase | - | 13.7 gal (US) | - |
| Transmission | - | 35.9 gal (US) | - |
| Differential | - | 36 gal (US) | - |
| Final Drive - Each | - | 6 gal (US) | - |
| Cooling System | - | 23.4 gal (US) | - |
| Hydraulic Reservoir | - | 39.6 gal (US) | - |
| Windshield Washer | - | 0.5 gal (US) | - |
Hydraulics |
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| Bowl Cylinder Bore | - | 7.08 in | - |
| Bowl Cylinder Stroke | - | 37.4 in | - |
| Apron Cylinder Bore | - | 7.08 in | - |
| Apron Cylinder Stroke | - | 29.92 in | - |
| Steering Circuit (@ High Idle) | - | 76.08 gal/min | - |
| Cushion Hitch Circuit | - | 19.54 gal/min | - |
| Secondary Steering Circuit | - | 14.52 gal/hr | - |
| Relief Valve - Steering Circuit | - | 1959 psi | - |
| Relief Valve - Implement Circuit | - | 1999 psi | - |
| Compensator Settings - Cushion Hitch Circuit | - | 3002 psi | - |
Service Refill Capacities - Scraper |
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| Fuel Tank | - | 430 gal (US) | - |
| Differential | - | 44 gal (US) | - |
| Final Drive - Each | - | 7.8 gal (US) | - |
| Transmission | - | 31.9 gal (US) | - |
| Crankcase | - | 8.9 gal (US) | - |
| Cooling System | - | 16.6 gal (US) | - |
