770 Off Highway Truck

Top Performance. Developed specifically for construction, mining, and quarry applications, the 770 optimizes demands for lower cost per ton, challenges of finding skilled labor, and overall health and safety. Reliable, Durable, Dependable. Rugged construction and easy maintenance procedures ensure long life with low operating costs.

Download specification sheet

Overview and Specifications

Dimensions
Centerline Front Tire Width	10.2 ft / 3110 mm
Engine Guard Clearance	2.21 ft / 673 mm
Outside Body 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
Overall Body Length	26.81 ft / 8172 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
Height to Top of ROPS	12.83 ft / 3911 mm
Inside Body Length	18.21 ft / 5549 mm
Overall Length	28.67 ft / 8740 mm
Ground Clearance	2.23 ft / 680 mm
Wheelbase	13 ft / 3960 mm
Rear Axle to Tail	8.5 ft / 2590 mm
Dump Clearance	1.52 ft / 464 mm
Operating Width	15.59 ft / 4751 mm

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

Brakes
Brake Surface - Front	216 in2 / 1395 cm2
Brake Surface - Rear	6235 in2 / 40266 cm2
Brake Standards	ISO 3450: 1996

Service Refill Capacities
Fuel Tank	140 gal / 530 L
Steering Tank	9 gal / 34 L
Steering System (Includes Tank)	15 gal / 56 L
Cooling System	30 gal / 114 L
Differentials and Final Drives	22 gal / 83 L

Weight Distributions - Approximate
Front Axle - Loaded	34 % / 34 %
Rear Axle - Loaded	66 % / 66 %
Front Axle - Empty	48 % / 48 %
Rear Axle - Empty	52 % / 52 %

Capacity - Flat Floor - 100% fill factor
Heaped 2:1 (SAE)	32.8 yd3 / 25.1 m3
Struck	21.5 yd3 / 16.4 m3

Body Hoists
Relief Valve Setting - Raise	2500 psi / 17255 kPa
Body Raise Time - High Idle	9.5 Seconds / 9.5 Seconds
Body Lower Time - Float	12.5 Seconds / 12.5 Seconds
Pump Flow - High Idle	136 gal/min / 515 L/min
Body Power Down - High Idle	12.5 Seconds / 12.5 Seconds
Relief Valve Setting - Lower	500 psi / 3450 kPa

Suspension
Effective Cylinder Stroke - Front	9.2 in / 234 mm
Rear Axle Oscillation	5.4 Degrees / 5.4 Degrees
Effective Cylinder Stroke - Rear	5.9 in / 149 mm

Capacity - Dual Slope - 100% fill factor
Struck	21.5 yd3 / 16.4 m3
Heaped 2:1 (SAE)	32.8 yd3 / 25.1 m3

Weights - Approximate
Target Gross Machine Operating Weight	157000 lb / 71210 kg
Chassis Weight	53380 lb / 24213 kg
Body Weight	22043 lb / 9999 kg

Operating Specifications
Top Speed - Loaded	46.5 mph / 74.8 km/h
Nominal Payload Class	40 tons / 36.3 tonnes
Body Capacity - SAE 2:1	32.8 yd3 / 25 m3

Engine
Gross Power - SAE J1995	518 hp / 381 kW
Bore	5.4 in / 137 mm
Stroke	6.7 in / 171 mm
Displacement	927.6 in3 / 15.2 L
Net Power - SAE J1349	483 hp / 355 kW
Net Power - 80/1269/EEC	476 hp / 355 kW
Net Power - 80/1269/EEC	476 hp / 355 kW
Rated Engine Speed	1800 RPM / 1800 RPM
Net Power - ISO 9249:1997	476 hp / 355 kW
Engine Model	C15 ACERT
Number of Cylinders	6