- Equipment World - http://www.equipmentworld.com -

621G Wheel Tractor Scraper

Posted By Equipment World Staff On November 15, 2007 @ 12:00 am In Boomerang | No Comments

Caterpillar Wheel Tractor-Scrapers offer fast cycle times, with quick loading, high travel speeds and the ability to load and dump on the run. Rugged construction and easy maintenance assure long life with low operating costs.


 


 


 



 


 





























































































































































































































































































































































































































































































































































































Tractor Engine

Units:  US 


Net Power – Tractor/Scraper


246 kW (330 hp)


246 kW (330 hp)



Gross Power – Gears 1-2


359 hp


268 kW



Gross Power – Gears 3-8


394 hp


294 kW



Net Power – Gears 1-2


330 hp


246 kW



Net Power – Gears 3-8


365 hp


272 kW



Caterpillar Net Power


330 hp


246 kW



ISO 9249


330 hp


246 kW



EEC 80/1269


330 hp


246 kW



SAE J1349


326 hp


243 kW



Bore


5.5 in


140 mm



Stroke


6.5 in


165 mm



Displacement


928 in3


15.2 L




Scraper Bowl



Capacity Heaped


22 yd3


17 m3



Rated Load


52800 lb


23950 kg



Capacity Struck


15.7 yd3


12 m3



Depth of Cut – max.


13.1 in


333 mm



Width of Cut, to Router Bits


119 in


3023 mm



Ground Clearance – max.


20.6 in


522 mm



Cutting Edge – thickness


.88 in.


22 mm



Hyd. Penetration Force – 621G


33840 lb


150.4 kN



Depth of Spread – max.


20.6 in


522 mm



Apron Opening


70 in


1780 mm



Apron Closure Force


24075 lb


107 kN




Transmission



Travel Speed Maximum


32 mph


51.5 km/h



1 Forward


3.1 mph


5 km/h



2 Forward


4.7 mph


7.6 km/h



3 Forward


6.8 mph


10.9 km/h



5 Forward


12.4 mph


19.9 km/h



4 Forward


9.2 mph


14.8 km/h



6 Forward


16.7 mph


26.9 km/h



7 Forward


22.6 mph


36.4 km/h



8 Forward


32 mph


51.5 km/h



Reverse


5.7 mph


9.2 km/h




Weights



Operating Weight


124590 lb


56513 kg




Weights – Standard, tandem



Total Shipping


72455 lb


32865 kg



Tractor Shipping


49994 lb


22677 kg



Scraper Shipping


22461 lb


10118 kg



Total Operating – empty


73789 lb


33470 kg



Front Axle


50176 lb


22760 kg



Rear Axle


23612 lb


10710 kg



Total Operating – loaded


126589 lb


57420 kg



Front Axle Weight – loaded


67092 lb


30433 kg



Rear Axle Weight – loaded


59497 lb


26987 kg




Dimensions



Width – overall machine


136.5 in


3467 mm



Width – tractor


123.2 in


3130 mm



Width – rear tire center lines


85.8 in


2180 mm



Width – inside of bowl


116 in


2946 mm



Width – outside rear tires


120 in


3048 mm



Height – overall shipping


145.9 in


3705 mm



Height – top of cab


134.8 in


3423 mm



Ground Clearance, Tractor


21.8 in


553 mm



Front of Tractor to Front Axle


120.4 in


3058 mm



Rim radius


17 in


432 mm



Axle to Vertical Hitch Pin


17 in


432 mm



Height – scraper blade max.


20.6 in


522 mm



Wheelbase


304 in


7722 mm



Length – overall machine


508.5 in


12917 mm



Rear Axle to Rear of Machine


84.3 in


2142 mm



Bail Length – max. (push-pull)


63.5 in


1612 mm



Extended Push Block (push-pull)


109.7 in


2786 mm




Steering



Width – 180° Turn


35.9 ft


10.9 m



Steering Angle – right


90°


90°



Steering Angle – left


85°


85°



Hydraulic Output


55 gal/min


209 L/min




Service Refill Capacities – Tractor



Crankcase


9.5 gal


36 L



Transmission


19 gal


72 L



Differential


38 gal


144 L



Final Drive (per side)


5 gal


19 L



Cooling System


28 gal


107 L



Hydraulic Reservoir


37 gal


140 L



Wheel Coolant (each)


12 gal


45 L



Windshield Washer


1.5 gal


6 L




Hydraulics



Bowl Cylinder Bore


6 in


152 mm



Bowl Cylinder Stoke


32 in


813 mm



Apron Cylinder Bore


7.25 in


184 mm



Apron Cylinder Stroke


23.5 in


597 mm



Ejector Cylinder Bore


6.5 in


165 mm



Ejector Cylinder Stroke


61 in


1549 mm



Steering Circuit


55 gal/min


209 L/min



Scraper Circuit


65.5 gal/min


284 L/min



Cushion Hitch Circuit


9.8 gal/min


37 L/min



Secondary Steering Circuit


39.9 gal/min


150 L/min



Relief Valve – Steering Circuit


2250 psi


15500 kPa



Relief Valve – Implement Circuit


2175 psi


15000 kPa



Compensator Setting – Cushion Hitch Circuit


2175 psi


Article printed from Equipment World: http://www.equipmentworld.com

URL to article: http://www.equipmentworld.com/g-wheel-tractor-scraper/

Copyright © 2012 Equipment World -- Development. All rights reserved.