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773G Off-Highway Truck

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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SPECIFICATION SUMMARY
  • Engine Model Cat® C27 ACERT™
  • Fuel Tank 210.0 gal
  • Body Capacity - SAE 2:1 46.75 yd3
  • Engine Power - ISO 14396 762.0 hp

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C27 ACERT™
  • Engine Power - ISO 14396
    762.0 hp
  • Net Torque
    2944.0 ft-lb
  • Peak Torque Speed
    1200.0 RPM
  • Rated Engine Speed
    1800 r/min
  • Gross Power - SAE J1995
    775 HP
  • Net Power - SAE J1349
    719 HP
  • Net Power - 80/1269/EEC
    762 HP
  • Net Power - ISO 9249
    762 HP
  • Bore
    5.4 in
  • Stroke
    6 in
  • Displacement
    1648 in³
  • Engine Model
    Cat® C27
  • Engine Power - ISO 14396
    764 HP
  • Net Torque
    3148 ft-lb
  • Peak Torque - Speed
    1200 r/min
  • Note (1)
    Power rating applies at 2,000 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 3048 m (10,000 ft) for Tier 4/Stage V.

Service Refill Capacities

  • Fuel Tank
    210.0 gal
  • Cooling System
    45 gal (US)
  • Differential - Final Drives
    38 gal (US)
  • Steering Tank
    9.5 gal (US)
  • Steering System - Including Tank
    14 gal (US)
  • Brake Hoist System
    85 gal (US)
  • Brake/Hoist Hydraulic Tank
    46.5 gal (US)
  • Crankcase
    24 gal (US)
  • Torque Converter - Transmission System - HRC
    18 gal (US)
  • Torque Converter - Transmission System - LRC
    16 gal (US)
  • Fuel Tank
    210 gal (US)

Operating Specifications

  • Body Capacity - SAE 2:1
    46.75 yd3
  • Nominal Payload Class (100%)
    61 ton (US)
  • Top Speed - Loaded
    41.6 mile/h
  • Maximum Working Payload (110%)
    67.1 ton (US)
  • Not to Exceed Payload (120%)*
    73.1 ton (US)
  • Body Capacity - SAE 2:1
    46.8 yd³
  • Maximum Allowable Payload (120%)*
    73.2 ton (US)
  • Note (1)
    Capacity with Dual Slope body – no liner.
  • Note (2)
    * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.

ROPS

  • ROPS/FOPS Standards
    Standards
  • ROPS/FOPS Standards
    Standards
  • 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.

Weights - Approximate

  • Maximum Gross Vehicle Weight
    226501 lb

Capacity - Dual Slope - 100% Fill Factor

  • Struck
    35.13 yd³
  • Heaped 2:1 (SAE)
    46.76 yd³

Capacity - Flat Floor - 100% Fill Factor

  • Struck
    34.33 yd³
  • Heaped 2:1 (SAE)
    46.41 yd³

Weight Distributions - Approximate

  • Front Axle - Empty
    53 %
  • Front Axle - Loaded
    35 %
  • Rear Axle - Empty
    47 %
  • Rear Axle - Loaded
    65 %

Transmission

  • Forward - 1
    6.6 mile/h
  • Forward - 2
    9.3 mile/h
  • Forward - 3
    12.6 mile/h
  • Forward - 4
    16.8 mile/h
  • Forward - 5
    22.8 mile/h
  • Forward - 6
    30.7 mile/h
  • Forward - 7
    41.6 mile/h
  • Reverse
    8.7 mile/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
  • Brake Surface - Rear
    9497 in²
  • Brake Standards
    ISO 3450:2011

Body Hoists

  • Pump Flow - High Idle
    118 gal/min
  • Relief Valve Setting - Raise
    2502 psi
  • Relief Valve Setting - Lower
    500 psi
  • Body Raise Time - High Idle
    10 s
  • Body Lower Time - Float
    14 s
  • Body Power Down - High Idle
    14 s

Suspension

  • Rear axle - Oscillation
    8.1 °
  • Empty Loaded Cylinder Stroke Front
    9.2 in
  • Empty Loaded Cylinder Stroke Rear
    5.8 in

Steering

  • Turning Diameter - Front
    77.1 ft
  • Steering Standards
    SAE J1511 FEB94 ISO 5010:1992
  • Steer Angle
    31 °
  • Turning Circle - Clearance Diameter
    85.6 ft

Tires

  • Standard Tire
    24.00R35 (E4)
  • 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.

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
    Standards
  • 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 t
  • 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).

The Operator Experience – Best in the industry

Performance – Intelligent application of power and technology

Fuel Saving Strategies – Solutions that support your lowest cost per ton

Structural Integrity – Designed for years of off-road service

Power Train – Application specific designs for industry leading performance

Emission Controls – Major improvements for air quality using simple to use, reliable solutions

G Series Body Strategy – Bodies to meet your application and material needs

Machine Information and Monitoring – Lowering your cost per ton with vital fleet information

Serviceability – Clean, convenient, time-saving solutions

Safety – Focus on people and resources

Sustainability – Sustainability benefits us all

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • Cat C27 Tier 4/Stage V compliant diesel engine:
      – Air cleaner with precleaner (2)
      – Air-To-Air Aftercooler (ATAAC)
      – Electric start
      – Engine idle shutdown
      – Ether starting aid
      – Exhaust muffler
      – NGMR radiator
      For Tier 4 regions only (U.S./Canada):
      – Aftertreatment system
      • NOx Reduction System (NRS)
      • Diesel Oxidation Catalyst (DOC)

      – Demand fan
      – MEUI-C fuel system
    • Braking system:
      – Extended Life Brakes
      – Automatic Retarder Control (ARC)
      – Manual retarder (utilizes rear oil-cooled, multiple disc brakes)
      – Brake release motor (towing)
      – Dry disc brakes (front)
      – Front brake disconnect switch (front)
      – Oil-cooled multiple disc brakes (rear)
      – Brake wear indicator (rear)
      – Parking brake
      – Secondary brake
      – Service brake
    • Transmission:
      – 7-speed automatic powershift with:
      • Electronic Clutch Pressure Control (ECPC)
      • Advanced Productivity Electronic Control Strategy (APECS)

      – Automatic neutral idle
      – Autostall
      – Second gear start
  • Suspension Systems
    • Suspension, front and rear
  • Electrical
    • Alarm backup
    • Alternator, 120 Amp
    • Autolube power supply ready
    • Batteries, maintenance-free, 12V (2), 1,400 CCA combined
    • Electrical system, 25 Amp, 24V to 12V converter
    • Lighting system:
      – Backup light (halogen)
      – Directional signals/hazard warning (front and rear LED)
      – Engine compartment light
      – Headlights, (halogen) with dimmer
      – Operator access courtesy lights
      – Side profile lights
      – Stop/tail lights (LED)
    • Service center containing:
      – Battery jump start
      – Breakers with spare fuses
      – Lockout switch
      – Ports, ET and VIMS
      – Service lockout switch (power without engine start)
  • Technology Products
    • Economy Modes, standard and adaptive
    • Product Link, cellular or satellite
    • Traction Control System (TCS)
    • Truck Production Management System
    • Vital Information Management System (VIMS)
  • Operator Environment
    • Advisor display:
      – Air cleaner service indicator
      – Fluid level monitoring
      – Fuel level monitoring
      – Display languages (market-based)
    • Air conditioning/heat
    • Automatic temperature control
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment radio ready:
      – 5 amp converter
      – Speakers
      – Antenna
      – Wiring harness
    • Foot rest
    • Gauges/indicators:
      – Brake oil temperature gauge
      – Coolant temperature gauge
      – Engine overspeed indicator
      – Fuel level
      – Hour meter
      – Speedometer with odometer
      – Tachometer
      – Transmission gear indicator
    • Hoist lever
    • Horn
    • Light – courtesy
    • Light – dome
    • Mirrors, non-heated
    • Power port, 24V and 12V (2)
    • Rollover Protection (ROPS)/Falling Object Protection (FOPS)
    • Seat, Cat Comfort Series III:
      – Full air suspension
      – Retractable 3-point seat belt with shoulder harness
    • Seat, training with lap belt
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor
    • Throttle lock
    • Window, hinged, right side (emergency exit)
    • Window, powered, left side
    • Windshield wiper intermittent and washer
  • Guards
    • Driveline
    • Engine crankcase
    • Fan
  • Fluids
    • Antifreeze
    • Extended life coolant to –34° C (–30° F)
    • Grouped ground-level filters
  • Other Standard Equipment
    • Body down indicator
    • Body safety pin (secures body in up position)
    • Center-mounted rims
    • Fuel tank, 795 L (210 gal)
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Operator Maintenance Manual (OMM)
    • Rims 17 × 35
    • Rock ejectors
    • Secondary steering (electric)
    • Tie down eyes
    • Tow hooks (front)/tow pin (rear)
    • Vandalism protection locks

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Optional Equipment
    • Body heat
    • Body liner
    • Body sideboards
    • Cab precleaner
    • Cat Engine Brake
    • Clustered grease fittings
    • Cold weather packages
    • Fluid fill service center
    • HID lights
    • Mirrors, convex
    • Mirrors, heated
    • Spare rim
    • Visibility package (meets ISO 5006 requirements)
    • Wheel chocks
    • Work Area Vision System (WAVS)
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