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773G

Off-Highway Trucks

The G Series represents a new era for Cat’s Off-Highway Trucks and the 773G provides our customers with a quality operating environment that enhances productivity and provides significant savings in fuel consumption, too. Ergonomically designed with an operator’s comfort in mind, the 773G has an updated cab with new comforts as well as controls conveniently placed within reach of the operator’s hands. Built with a Cat C27 diesel engine, this 60-ton payload uses increased torque delivering 5% additional horsepower. An ideal pass match for the 773G Off-Highway Truck is Cat’s 988K Wheel Loader, 990K Wheel Loader, or the 390F Hydraulic Excavator. Simply put, the 773G will make a positive difference in haul performance all day, every day for today and tomorrow’s work.

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Engine Model Cat® C27
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 578 kW
Net Power - SAE J1349 536 kW
Availability Please Call Admin
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773G
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OVERVIEW

Enhanced performance

FEATURES & BENEFITS

ACHIEVE GREATER PRODUCTIVITY

ACHIEVE GREATER PRODUCTIVITYHaul your materials faster with a 5% accelerated travel speed.Put more power to the ground with a 15% increase in torque.Enjoy greater product... Read more

BOOST FUEL EFFICIENCY

BOOST FUEL EFFICIENCYUp to 13% less fuel consumption.Advanced Productivity Electronic Control System (APECS) allows the engine and transmission to communicate on a high l... Read more

DESIGNED FOR SAFETY

DESIGNED FOR SAFETYImprovements in accessibility with safe, ground-level access tofuel fill and daily maintenance points.Ensure three points of contact when entering and... Read more

WORK IN COMFORT

WORK IN COMFORTCompletely redesigned cab for a whole new standard in visibility,comfort, and productivity.The new operator seat placement provides easier operation and co... Read more

TECHNOLOGY THAT GETS WORK DONE

TECHNOLOGY THAT GETS WORK DONEIntegrated systems give you the ability to make timely, fact-baseddecisions to maximize efficiency, improve productivity, and lowercosts.Gai... Read more

REDUCED MAINTENANCE COST AND OTHER COSTS

REDUCED MAINTENANCE COST AND OTHER COSTSGrouped service points.Control particulate matter with two engine-mounted diesel oxidation catalyst canisters.NRS technology repla... Read more

APPLICATION VERSATILITY

APPLICATION VERSATILITYGet the right body option—Dual Slope, Flat Floor, or Quarry—for your material and jobsite needs.For haul profiles including steep slopes, an option... Read more

SPECIFICATIONS FOR 773G

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Engine
Engine Model Cat® C27
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995 578 kW
Net Power - SAE J1349 536 kW
Net Power - ISO 9249 568 kW
Net Power - 80/1269/EEC 568 kW
Bore 137 mm
Stroke 152 mm
Displacement 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 570 kW
Peak Torque - Speed 1200 r/min
Net Torque 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 102739 kg
Operating Specifications
Nominal Payload Class (100%) 55.3 t
Top Speed - Loaded 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%) 60.8 t
Note (1) Capacity with Dual Slope body – no liner.
Body Capacity - SAE 2:1 35.8 m³
Target Payload (100%) 55.3 t
Maximum Allowable Payload (120%)* 66.4 t
Transmission
Forward - 1 10.6 km/h
Forward - 2 15 km/h
Forward - 3 20.3 km/h
Forward - 4 27 km/h
Forward - 5 36.7 km/h
Forward - 6 49.4 km/h
Forward - 7 66.9 km/h
Reverse 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 655 cm²
Brake Surface - Rear 61269 cm²
Brake Standards ISO 3450:2011
Body Hoists
Pump Flow - High Idle 448 l/min
Relief Valve Setting - Raise 17250 kPa
Relief Valve Setting - Lower 3450 kPa
Body Raise Time - High Idle 10 s
Body Lower Time - Float 14 s
Body Power Down - High Idle 14 s
Capacity - Dual Slope - 100% Fill Factor
Struck 26.86 m³
Heaped (SAE 2:1)* 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 26.25 m³
Note (2) * ISO 6483:1980.
Heaped (SAE 2:1)* 35.49 m³
Note (1) Contact your local Cat dealer for body recommendation.
Weight Distributions - Approximate
Front Axle - Empty 53 %
Front Axle - Loaded 35 %
Rear Axle - Empty 47 %
Rear Axle - Loaded 65 %
Suspension
Rear axle - Oscillation 8.1 °
Empty Loaded Cylinder Stroke Rear 149 mm
Empty Loaded Cylinder Stroke Front 234 mm
Service Refill Capacities
Fuel Tank 795 l
Cooling System 171 l
Differential - Final Drives 145 l
Steering Tank 36 l
Steering System - Including Tank 54 l
Torque Converter - Transmission System - HRC 70 l
Crankcase 90 l
Brake Hoist System 322 l
Brake/Hoist Hydraulic Tank 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 23.5 m
Steering Standards SAE J1511 FEB94 ISO 5010:1992
Steer Angle 31 °
Turning Circle - Clearance Diameter 26.1 m

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