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 986K or 988K Wheel Loader or the 374F or 390F 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
515 HP
384 kW
Net Power - SAE J1349
477 HP
356 kW
Net Power - ISO 9249
477 HP
356 kW
Net Power - 80/1269/EEC
489 HP
365 kW
Net Power - ISO 14396
508 HP
379 kW
Net Torque - SAE J1349
1834 ft·lbf
2486 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
Emissions
Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Weights - Approximate
Target Gross Machine Operating Weight
157000 lb
71214 kg
Target Gross Machine Weight
157000 lb
71214 kg
Chassis Weight
55948 lb
25378 kg
Body Weight
17306 lb
7850 kg
Operating Specifications
Nominal Payload Class (100%)
42.1 ton (US)
38.2 t
Top Speed - Loaded
45.8 mile/h
73.7 km/h
Target Payload (100%)
42.1 ton (US)
38.2 t
Maximum Working Payload (110%)
46.3 ton (US)
42 t
Maximum Allowable Payload (120%)*
50.5 ton (US)
45.8 t
Body Capacity - SAE 2:1
32.9 yd³
25.2 m³
Note (1)
*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
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
22.2 km/h
Forward - 4
18.5 mile/h
29.8 km/h
Forward - 5
25.1 mile/h
40.4 km/h
Forward - 6
33.8 mile/h
54.4 km/h
Forward - 7
45.8 mile/h
73.7 km/h
Reverse
8.8 mile/h
14.2 km/h
Final Drives
Differential Ratio
1.92:1
Planetary Ratio
4.80:1
Total Reduction Ratio
9.26:1
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
118 gal/min
448 l/min
Relief Valve Setting - Raise
2750 psi
18950 kPa
Relief Valve Setting - Lower
500 psi
3450 kPa
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 (2)
*ISO 6483:1980.
Note (1)
Contact your local Cat dealer for body recommendation.
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.
Note (2)
*ISO 6483:1980.
Weight Distributions - Approximate
Front Axle - Empty
49 %
49 %
Front Axle - Loaded
34 %
34 %
Rear Axle - Empty
51 %
51 %
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 °
Service Refill Capacities
Fuel Tank
140 gal (US)
530 l
Cooling System
33 gal (US)
125 l
Crankcase
17 gal (US)
64 l
Differential - Final Drives
47 gal (US)
180 l
Steering Tank
14.5 gal (US)
55 l
Steering System - Including Tank
23 gal (US)
87 l
Brake/Hoist Hydraulic Tank
38 gal (US)
145 l
Brake Hoist System
60 gal (US)
227 l
Torque Converter - Transmission System
17 gal (US)
64 l
DEF Tank
6 gal (US)
21 l
Tires
Standard Tire
18.00R33 (E4)
ROPS
ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
Sound
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)
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
Sound Standards (3)
Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.
Steering
Steering Standards
ISO 5010:2007
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
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 mm
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
1.8 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
Engine
Note (1)
Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note (3)
No engine derating required up to 3000 m (9,843 ft) altitude.
Note (4)
Meets Japan Small Volume Exemption.
Weights - Approximate
Note (1)
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (2)
Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
Transmission
Note
Maximum travel speeds with standard 18.00R33 (E4) tires.
Brakes
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Steering
Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
Tires
Note (1)
Productive capabilities of the 770G 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.
Standard/Optional

Standard Equipment

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

Optional Equipment

NOTE
OPTIONAL EQUIPMENT

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