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773G Off-Highway Truck

Caterpillar is pleased to introduce to you the 773G Off-Highway Truck. You may be asking how, after 40 years of building trucks, Caterpillar has improved this product’s ability to support your business.
G Series has been designed and manufactured using the latest quality control technologies – virtual and hands on. This product has over 30,000 hours of proven performance in the hands of customers prior to production, all of which ensures the truck delivered to your yard is ready to work, reliably and dependably.
In addition to quality, Cat G Series trucks will lower your costs with seven different ways to help you conserve fuel. We offer you two customizable fuel economy modes that will let you choose your level of savings. With Cat G Series trucks in your haul fleet, you can be more productive, spend less time on maintenance, and support the environment with new levels of eco performance. Your crew will appreciate all the new comfort and conveniences in our updated cab. Simply put, Cat G Series trucks can and will make a positive difference to both your business and people – all day, every day.

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Specifications
Equipment
Units: US Metric
Engine
Engine Model
Cat® C27
Rated Engine Speed
1800 r/min
1800 r/min
Gross Power - SAE J1995
775 HP
578 kW
Net Power - SAE J1349
719 HP
536 kW
Net Power - ISO 9249
762 HP
568 kW
Net Power - 80/1269/EEC
762 HP
568 kW
Bore
5.4 in
137 mm
Stroke
6 in
152 mm
Displacement
1648 in³
27 l
Note (1)
Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.
Engine Power - ISO 14396
764 HP
570 kW
Peak Torque - Speed
1200 r/min
1200 r/min
Net Torque
3148 ft-lb
4269 N·m
Note (3)
No engine derating required up to 3048 m (10,000 ft) for Tier 4/Stage V.
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).
Weights - Approximate
Maximum Gross Vehicle Weight
226501 lb
102739 kg
Operating Specifications
Nominal Payload Class (100%)
61 ton (US)
55.3 t
Top Speed - Loaded
41.6 mile/h
66.9 km/h
Note (2)
* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Maximum Working Payload (110%)
67.1 ton (US)
60.8 t
Note (1)
Capacity with Dual Slope body – no liner.
Body Capacity - SAE 2:1
46.8 yd³
35.8 m³
Target Payload (100%)
61 ton (US)
55.3 t
Transmission
Forward - 1
6.6 mile/h
10.6 km/h
Forward - 2
9.3 mile/h
15 km/h
Forward - 3
12.6 mile/h
20.3 km/h
Forward - 4
16.8 mile/h
27 km/h
Forward - 5
22.8 mile/h
36.7 km/h
Forward - 6
30.7 mile/h
49.4 km/h
Forward - 7
41.6 mile/h
66.9 km/h
Reverse
8.7 mile/h
14 km/h
Note
Maximum travel speeds with standard 24.00R35 (E4) tires.
Final Drives
Differential Ratio
3.64:1
Planetary Ratio
4.80:1
Total Reduction Ratio
17.49:1
Brakes
Brake Surface - Front
257 in²
655 cm²
Brake Surface - Rear
9497 in²
61269 cm²
Brake Standards
ISO 3450:2011
Body Hoists
Pump Flow - High Idle
118 gal/min
448 l/min
Relief Valve Setting - Raise
2502 psi
17250 kPa
Relief Valve Setting - Lower
500 psi
3450 kPa
Body Raise Time - High Idle
10 s
10 s
Body Lower Time - Float
14 s
14 s
Body Power Down - High Idle
14 s
14 s
Capacity - Dual Slope - 100% Fill Factor
Struck
35.13 yd³
26.86 m³
Heaped (SAE 2:1)*
46.76 yd³
35.75 m³
Note (2)
* ISO 6483:1980.
Note (1)
Contact your local Cat dealer for body recommendation.
Capacity - Flat Floor - 100% Fill Factor
Struck
34.33 yd³
26.25 m³
Note (2)
* ISO 6483:1980.
Heaped (SAE 2:1)*
46.41 yd³
35.49 m³
Note (1)
Contact your local Cat dealer for body recommendation.
Weight Distributions - Approximate
Front Axle - Empty
53 %
53 %
Front Axle - Loaded
35 %
35 %
Rear Axle - Empty
47 %
47 %
Rear Axle - Loaded
65 %
65 %
Suspension
Rear axle - Oscillation
8.1 °
8.1 °
Empty Loaded Cylinder Stroke Rear
5.8 in
149 mm
Empty Loaded Cylinder Stroke Front
9.2 in
234 mm
Service Refill Capacities
Fuel Tank
210 gal (US)
795 l
Cooling System
45 gal (US)
171 l
Differential - Final Drives
38 gal (US)
145 l
Steering Tank
9.5 gal (US)
36 l
Steering System - Including Tank
14 gal (US)
54 l
Torque Converter - Transmission System - HRC
18 gal (US)
70 l
Crankcase
24 gal (US)
90 l
Brake Hoist System
85 gal (US)
322 l
Brake/Hoist Hydraulic Tank
46.5 gal (US)
176 l
Tires
Note (1)
Productive capabilities of the 773G 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 evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Standard Tire
24.00R35 (E4)
ROPS
FOPS Standards
Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Sound
Sound Standards (3)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Sound Standards (2)
The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A).
Sound Standards (1)
The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
Steering
Turning Diameter - Front
77.1 ft
23.5 m
Steering Standards
SAE J1511 FEB94 ISO 5010:1992
Steer Angle
31 °
31 °
Turning Circle - Clearance Diameter
85.6 ft
26.1 m
Operating Specifications
Maximum Allowable Payload (120%)*
73.2 ton (US)
66.4 t
Standard Equipment
NOTE
POWER TRAIN
SUSPENSION SYSTEMS
ELECTRICAL
TECHNOLOGY PRODUCTS
OPERATOR ENVIRONMENT
GUARDS
FLUIDS
OTHER STANDARD EQUIPMENT