Off-Highway Trucks 773G

Request A Price Find Dealer

Key Specs

Nominal Payload Class (100%)
61 ton (US)
55.3 t
Engine Model
Cat® C27
Cat® C27
Top Speed - Loaded
41.6 mile/h
66.9 km/h

Overview

Enhanced performance

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.

Product Specifications for 773G

Engine Model Cat® C27 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. 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. 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). 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).
Maximum Gross Vehicle Weight 226501 lb 102739 kg
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. * 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. 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
Maximum Allowable Payload (120%)* 73.2 ton (US) 66.4 t
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. Maximum travel speeds with standard 24.00R35 (E4) tires.
Differential Ratio 3.64:1 3.64:1
Planetary Ratio 4.80:1 4.80:1
Total Reduction Ratio 17.49:1 17.49:1
Brake Surface - Front 257 in² 655 cm²
Brake Surface - Rear 9497 in² 61269 cm²
Brake Standards ISO 3450:2011 ISO 3450:2011
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
Struck 35.13 yd³ 26.86 m³
Heaped (SAE 2:1)* 46.76 yd³ 35.75 m³
Note (2) * ISO 6483:1980. * ISO 6483:1980.
Note (1) Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
Struck 34.33 yd³ 26.25 m³
Note (2) * ISO 6483:1980. * ISO 6483:1980.
Heaped (SAE 2:1)* 46.41 yd³ 35.49 m³
Note (1) Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
Front Axle - Empty 53 % 53 %
Front Axle - Loaded 35 % 35 %
Rear Axle - Empty 47 % 47 %
Rear Axle - Loaded 65 % 65 %
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
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
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. 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. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Standard Tire 24.00R35 (E4) 24.00R35 (E4)
FOPS Standards Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. 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. Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
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. 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). 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. 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.
Turning Diameter - Front 77.1 ft 23.5 m
Steering Standards SAE J1511 FEB94 ISO 5010:1992 SAE J1511 FEB94 ISO 5010:1992
Steer Angle 31 ° 31 °
Turning Circle - Clearance Diameter 85.6 ft 26.1 m

773G 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

773G 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)

See how 773G compares against frequently compared products.

Use the comparison tool to compare detailed specs of Cat and competitor models.

COMPARE ALL MODELS

Tools And Expert Help At Every Turn

Product Brochures and More Are Ready to Download!

Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.

Marketing Consent

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat App

    Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.

  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

  • Cat VisionLink

    View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.

  • ISO 15143-3 (AEMP 2.0) API

    Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.

  • My.Cat.Com

    My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

1 - 8 of 9 Items items
Previous Next

Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.

Explore Technology

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Explore Technology

View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.

Explore Technology

Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.

Explore Technology

My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

Explore Technology
  • Cat Payload with Truck Production Management System

    The Cat® Payload with Truck Production Management System is a payload weighing system that helps to improve fleet productivity and reduce operating costs. Payload lights and display signal that the proper load is reached.

1 - 8 of 9 Items items
Previous Next

The Cat® Payload with Truck Production Management System is a payload weighing system that helps to improve fleet productivity and reduce operating costs. Payload lights and display signal that the proper load is reached.

Explore Technology
  • Cat Productivity

    Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.

1 - 8 of 9 Items items
Previous Next

Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.

Explore Technology