Home / Equipment / Caterpillar Machines / Off Highway Trucks / 770 Off-Highway Truck

Caterpillar 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.

View/Download Product Brochure (PDF)

View Product Tour

Overview &
Specifications

Features
& Benefits

Standard
Equipment

Optional
Equipment

Work Tools &
Attachments

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

Engine

Engine Model	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

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

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

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

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

Steering

Steering Standards	ISO 5010:1992

Steer Angle	40 Degrees / 40 Degrees

INDIANA'S LEADING EQUIPMENT DEALER

MacAllister Machinery has 14 convenient locations throughout Indiana: Beech Grove, Bloomington, Fishers, Fort Wayne, Greensburg, Indianapolis (HQ, Power Systems), Indianapolis (West), Lafayette, Muncie, Richmond, South Bend, Terre Haute, and Washington.

Headquarters: 7515 E 30th St, Indianapolis, IN 46219
Phone: (317) 545-2151 In-State Toll Free: (800) 382-1896 Out of State Toll Free: (800) 227-3228