Products

770 Off-Highway Truck

Top Performance. Developed specifically for construction, mining and quarry applications, the 770 optimizes demands for lower cost per ton. Reliable, Durable Operation. Rugged construction and easy maintenance procedures ensure long life with low operating costs.


 



 


 





































































































































































































































































































































































































































































































































































































Engine

Units:  US 


Engine Model


Cat® C15 ACERT


Cat® C15 ACERT



Rated Engine Speed


1800 RPM


1800 RPM



Gross Power – SAE J1995


511 hp


381 kW



Net Power – SAE J1349


476 hp


355 kW



Net Power – 80/1269/EEC


476 hp


355 kW



Number of Cylinders


6


6



Bore


5.4 in


137 mm



Stroke


6.7 in


171 mm



Displacement


927.6 in3


15.2 L



Net Power – ISO 9249:1997


476 hp


355 kW




Operating Specifications



Nominal Payload Class


40 tons


36.3 tonnes



Top Speed – Loaded


46.5 mph


74.8 km/h



Body Capacity – SAE 2:1


32.8 yd3


25 m3




Weights – Approximate



Target Gross Machine Operating Weight


157000 lb


71214 kg



Chassis Weight


53380 lb


24213 kg



Body Weight


22110 lb


10029 kg




Capacity – Dual Slope – 100% fill factor



Struck


21.5 yd3


16.4 m3



Heaped 2:1 (SAE)


32.8 yd3


25.1 m3




Capacity – Flat Floor – 100% fill factor



Struck


21.5 yd3


16.4 m3



Heaped 2:1 (SAE)


32.8 yd3


25.1 m3




Weight Distributions – Approximate



Front Axle – Empty


48 %


48 %



Front Axle – Loaded


34 %


34 %



Rear Axle – Empty


52 %


52 %



Rear Axle – Loaded


66 %


66 %




Transmission



Forward 1


7.5 mph


12.1 km/h



Forward 2


10.3 mph


16.6 km/h



Forward 3


14 mph


22.5 km/h



Forward 4


18.8 mph


30.3 km/h



Forward 5


25.4 mph


40.9 km/h



Forward 6


34.3 mph


55.2 km/h



Forward 7


46.5 mph


74.8 km/h



Reverse


9.9 mph


15.9 km/h




Final Drives



Differential Ratio


2.74:1


2.74:1



Planetary Ratio


4.80:1


4.80:1



Total Reduction Ratio


13.15:1


13.15:1




Brakes



Brake Surface – Front


216 in2


1395 cm2



Brake Surface – Rear


6235 in2


40266 cm2



Brake Standards


ISO 3450: 1996


ISO 3450: 1996




Service Refill Capacities



Fuel Tank


140 gal


530 L



Cooling System


30 gal


114 L



Differentials and Final Drives


22 gal


83 L



Steering Tank


9 gal


34 L



Steering System (Includes Tank)


15 gal


56 L




Body Hoists



Pump Flow – High Idle


136 gal/min


515 L/min



Relief Valve Setting – Raise


2500 psi


17255 kPa



Relief Valve Setting – Lower


500 psi


3450 kPa



Body Raise Time – High Idle


9.5 Seconds


9.5 Seconds



Body Lower Time – Float


12.5 Seconds


12.5 Seconds



Body Power Down – High Idle


12.5 Seconds


12.5 Seconds




Suspension



Effective Cylinder Stroke – Front


9.2 in


234 mm



Effective Cylinder Stroke – Rear


5.9 in


149 mm



Rear Axle Oscillation


5.4 Degrees


5.4 Degrees




Dimensions



Height to Top of ROPS


12.83 ft


3911 mm



Overall Body Length


26.81 ft


8172 mm



Inside Body Length


18.21 ft


5549 mm



Overall Length


28.67 ft


8740 mm



Wheelbase


13 ft


3960 mm



Rear Axle to Tail


8.5 ft


2590 mm



Ground Clearance


2.23 ft


680 mm



Dump Clearance


1.52 ft


464 mm



Loading Height – Empty


10.24 ft


3120 mm



Inside Body Depth – Max


4.35 ft


1326 mm



Overall Height – Body Raised


27.17 ft


8280 mm



Operating Width


15.59 ft


4751 mm



Centerline Front Tire Width


10.2 ft


3110 mm



Engine Guard Clearance


2.21 ft


673 mm



Overall Canopy Width


13 ft


3960 mm



Inside Body Width


12.13 ft


3698 mm



Front Canopy Height


13.58 ft


4140 mm



Rear Axle Clearance


1.67 ft


508 mm



Centerline Rear Dual Tire Width


8.32 ft


2536 mm



Overall Tire Width


12.12 ft


3693 mm




Tires



Standard Tire


18.00R33 (E4)


18.00R33 (E4)




ROPS



ROPS / FOPS Standards


.


.




Sound



Sound Standards


.


.




Steering



Steering Standards


ISO 5010:1992


ISO 5010:1992



Steer Angle


40 Degrees

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