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770 Off-Highway Truck

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Product Description

Cat’s 770 40-ton payload sets the standard for haul performance in construction and quarry industries. We’ve taken the best of our rugged, dependable Off-Highway Truck lineup and integrated it with technologies that help our environment, make operators more productive, and dramatically improve the economics of haul fleets. An optimal pass match for the 770 is the Cat 986, 987, or 988 Wheel Loader or the 374 Hydraulic Excavators. No matter your business type, the 770 is designed to help you move materials safely and efficiently through every haul.

Specifications
Us
Metric
Engine
Engine Model
Cat® C15
Rated Engine Speed
1700 r/min
1700 r/min
Gross Power - SAE J1995:2014
515 hp
384 kW
Net Power - SAE J1349:2011
477 hp
356 kW
Net Power - ISO 9249
477 hp
356 kW
Net Power - 80/1269/EEC
489 hp
365 kW
Engine Power - ISO 14396
508 hp
379 kW
Net Power - ISO 14396
508 hp
379 kW
Net Torque - SAE J1349
1579 ft-lb
2141 N·m
Number of Cylinders
6
Bore
5.4 in
137 mm
Stroke
6.7 in
171 mm
Displacement
927.6 in³
15.2 l
Note (1)
The power ratings are tested at the reference conditions for the specified standard.
Note (2)
MIN NET SAE J1349:2011/ISO 9249:2007 Net power advertised is the power available at the flywheel when the engine is equipped with fan at maximum speed, alternator, air intake system, and exhaust system.
Emissions
Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Weights - Approximate
Target Gross Machine Operating Weight
157000 lb
71214 kg
Chassis Weight
55948 lb
25738 kg
Body Weight
17447 lb
7914 kg
Note (1)
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (2)
Body weight is the Flat Floor body with no liner and will vary depending on configuration.
Operating Specifications
Nominal Payload Class (100%)
41.2 Sh Ton
38 t
Top Speed - Loaded
45.8 mile/h
73.7 km/h
Target Payload (100%)
41.2 Sh Ton
38 ton (US)
Body Capacity - SAE 2:1
32.9 yd³
25.2 m³
Maximum Working Payload (110%)
46.8 ton (US)
42.5 t
Maximum Allowable Payload (120%)*
51 ton (US)
46.3 t
Top Speed - Loaded*
45.8 mile/h
73.7 km/h
Note
Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
Note (1)
Capacity with dual slope body with no liner.
Note (2)
Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.
Transmission
Forward - 1
7.4 mile/h
11.9 km/h
Forward - 2
10.1 mile/h
16.3 km/h
Forward - 3
13.8 mile/h
22.1 km/h
Forward - 4
18.5 mile/h
29.8 km/h
Forward - 5
25.1 mile/h
40.3 km/h
Forward - 6
33.8 mile/h
54.4 km/h
Forward - 7
45.9 mile/h
73.8 km/h
Reverse
9.7 mile/h
15.7 km/h
Note
Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
Differential Ratio
1.92:1
Planetary Ratio
4.80:1
Total Reduction Ratio
9.216:1
Brakes
Brake Surface - Front
216 in²
1395 cm²
Brake Surface - Rear
6235 in²
40225 cm²
Brake Standards
ISO 3450:2011
Body Hoists
Pump Flow - High Idle
112.2 gpm
425 L/min
Relief Valve Setting - Raise
2750 psi
18950 kPa
Relief Valve Setting - Lower
500 psi
3450 kPa
Body Power Down - High Idle
8.0 seconds (approx.)
Body Raise Time - High Idle
7.5 seconds (approx.)
Body Raise Time - High Idle
7.5 s
7.5 s
Body Lower Time - Float
10 s
10 s
Body Power Down - High Idle
10 s
10 s
Capacity - Dual Slope - 100% Fill Factor
Struck
23.01 yd³
17.6 m³
Heaped (SAE 2:1)*
32.9 yd³
25.2 m³
Note (1)
Contact your local Cat dealer for body recommendation. *ISO 6483:1980
Note (2)
*ISO 6483:1980.
Capacity - Flat Floor - 100% Fill Factor
Struck
23.01 yd³
17.6 m³
Heaped (SAE 2:1)*
32.9 yd³
25.2 m³
Note (1)
Contact your local Cat dealer for body recommendation. *ISO 6483:1980
Note (2)
*ISO 6483:1980.
Weight Distributions - Approximate
Front Axle - Empty
52 %
52 %
Front Axle - Loaded
34 %
34 %
Rear Axle - Empty
48 %
48 %
Rear Axle - Loaded
66 %
66 %
Suspension
Empty Loaded Cylinder Stroke Front
9.2 in
234 mm
Empty Loaded Cylinder Stroke Rear
5.9 in
149 mm
Rear axle - Oscillation
8.9 °
8.9 °
Sound
Sound Standards
78.5 dB(A)
Sound Standards (1)
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards (2)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Sound Standards (3)
The machine sound power level is measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at 80% of the maximum engine cooling fan speed.
Service Refill Capacities
Fuel Tank
210 gal (US)
795 l
Cooling System
43.3 gal (US)
164 l
Crankcase
24 gal (US)
90 l
Differential - Final Drives
37 gal (US)
140 l
Steering Tank
9.5 gal (US)
36 l
Steering System - Including Tank
14 gal (US)
54 l
Brake/Hoist Hydraulic Tank
46.5 gal (US)
176 l
Brake Hoist System
85 gal (US)
322 l
Torque Converter - Transmission System
18.5 gal (US)
70 l
DEF Tank
6 gal (US)
21 l
Steering
Steering Standards
ISO 5010:2019
Steer Angle
40.5 °
40.5 °
Turning Diameter - Front
57.7 ft
17.6 m
Turning Circle - Clearance Diameter
66.6 ft
20.3 m
Tires
Standard Tire
18.00R33 (E4)
Note (1)
Productive capabilities of the 770 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
ROPS
ROPS Standards
Rollover protective structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer ROPS criteria.
FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer FOPS criteria.
Dimensions
Height - Top of ROPS
12.7 ft
3857 mm
Overall Body Length
26.8 ft
8199 mm
Inside Body Length
18.5 ft
5635 mm
Overall Length
28.9 ft
8796 m
Wheel Base
13 ft
3960 mm
Rear Axle - Tail
8.5 ft
2586 mm
Ground Clearance
1.6 ft
518 mm
Dump Clearance
1.7 ft
506 mm
Loading Height - Empty
10.3 ft
3147 mm
Inside Body Depth - Maximum
4.6 ft
1404 mm
Overall Height - Body Raised
27.1 ft
8255 mm
Operating Width
15.7 ft
4780 mm
Centerline Front Tire Width
10.2 ft
3110 mm
Engine Guard Clearance
1.1 ft
335 mm
Outside Body Width
12.9 ft
3931 mm
Inside Body Width
11.9 ft
3627 mm
Front Canopy Height
13.5 ft
4114 mm
Rear Axle - Clearance
1.8 ft
548 mm
Centerline of Rear Dual Tire Width
8.3 ft
2536 mm
Overall Tire Width
12.1 ft
3693 mm
Standard/Optional

Standard Equipment

NOTE
ELECTRICAL
PRODUCT LINK™ COMMUNICATIONS
GUARDS
OPERATOR ENVIRONMENT
POWER TRAIN
SUSPENSION SYSTEMS
OTHER STANDARD EQUIPMENT
ANTIFREEZE
TECHNOLOGY PRODUCTS

Optional Equipment

NOTE
OPTIONAL EQUIPMENT
POWER TRAIN
Fluid and fuel system monitoring (Tier 3 and Tier 2)
OPERATOR ENVIRONMENT
Visibility package (WAVS)
TECHNOLOGY PRODUCTS
OTHER STANDARD EQUIPMENT
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