The Cat 773 (05) Off-highway truck is redifining performance.

Off-Highway Trucks 773 (05)

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Key Specs

Nominal Payload Class (100%)
65.2 ton (US)
59.1 t
Engine Model
Cat® 3412E
Cat® 3412E
Top Speed - Loaded
42.1 mile/h
67.8 km/h

Overview

Redefining Performance

Increase uptime, efficiency, and safety on the jobsite with the productive and reliable Cat® 773 Off-Highway Truck. Built with the powerful Cat 3412E air-to-air aftercooled engine, featuring Hydraulic Electronic Unit Injector (HEUI™) for fuel efficient operation. Delivering unmatched reliability and durability along with high uptime, the 773 is the right choice for your operation.

Benefits

Up To 7% Improved Performance

Maximize power to the ground with an increase in torque and a higher speed on grade

Maximizing Efficiency

Experience higher levels of efficiency using advanced engineering and software

Enhanced Safety and Comfort

Grouped, ground level engine and machine controls allow for safe and easy daily maintenance

Product Specifications for 773 (05)

Engine Model Cat® 3412E Cat® 3412E
Rated Engine Speed 2000 r/min 2000 r/min
Gross Power - SAE J1995 760 HP 567 kW
Net Power - SAE J1349 720 HP 537 kW
Number of Cylinders 12 12
Torque Rise 33 % 33 %
Bore 5.4 in 137 mm
Stroke 6 in 152 mm
Displacement 1649 in³ 27 l
Note (1) These engine ratings apply at 2,000 rpm when tested under the specified condition for the specified standard in effect at the time of manufacture. These engine ratings apply at 2,000 rpm when tested under the specified condition for the specified standard in effect at the time of manufacture.
Note (2) Power rating conditions based on standard conditions of 25° C (77° F) and99 kPa (29.32 in Hg) dry barometer, using 35° C (95° F) API gravity fuel havingan LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 30° C (86° F) [referencea fuel density of 838.9 g/L (7.001 lb/gal)]. Power rating conditions based on standard conditions of 25° C (77° F) and99 kPa (29.32 in Hg) dry barometer, using 35° C (95° F) API gravity fuel havingan LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 30° C (86° F) [referencea fuel density of 838.9 g/L (7.001 lb/gal)].
Note (3) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator.
Note (4) No engine derating required up to 3048 m (10,000 ft). No engine derating required up to 3048 m (10,000 ft).
Note (5) Meets China Nonroad Stage III emission standards equivalent to Tier 2. Meets China Nonroad Stage III emission standards equivalent to Tier 2.
Target Gross Machine Operating Weight 218920 lb 99300 kg
Operating Weight - Empty 88608 lb 40192 kg
Operating Weight - Loaded 130311 lb 59108 kg
Note (1) Does not include Liner. Does not include Liner.
Note (2) Empty operating weight may vary based on the machine configuration. Refer to Off-Highway Truck Payload Policy. Empty operating weight may vary based on the machine configuration. Refer to Off-Highway Truck Payload Policy.
Nominal Payload Class (100%) 65.2 ton (US) 59.1 t
Top Speed - Loaded 42.1 mile/h 67.8 km/h
Forward - 1 6.7 mile/h 10.8 km/h
Forward - 2 9.3 mile/h 15.1 km/h
Forward - 3 12.7 mile/h 20.4 km/h
Forward - 4 17 mile/h 27.4 km/h
Forward - 5 23 mile/h 37 km/h
Forward - 6 31 mile/h 50 km/h
Forward - 7 42.1 mile/h 67.8 km/h
Reverse 8.1 mile/h 13.1 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 4.8:1 4.8:1
Total Reduction Ratio 17.48:1 17.48:1
Brake Surface - Front 216 in² 1395 cm²
Brake Surface - Rear 9496 in² 61269 cm²
Brake Standards ISO 3450: 2011 ISO 3450: 2011
Pump Flow - High Idle 148 gal/min 562 l/min
Relief Valve Setting - Raise 2500 psi 17225 kPa
Relief Valve Setting - Lower 500 psi 3445 kPa
Body Raise Time - High Idle 9.5 s 9.5 s
Body Lower Time - Float 12.5 s 12.5 s
Note (1) Twin, two-stage hydraulic cylinders mounted outside the main frame; double acting cylinders in second stage. Twin, two-stage hydraulic cylinders mounted outside the main frame; double acting cylinders in second stage.
Note (2) Power raise in both stages and power down in second stage. Power raise in both stages and power down in second stage.
Struck 34.8 yd³ 26.6 m³
Heaped 2:1 (SAE) 46 yd³ 35.2 m³
Note (1) ISO 6483:1980 ISO 6483:1980
Note (2) Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
ROPS Standards (1) Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer. Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria for operator and ISO 13459:2012 Level II criteria for trainer. Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria for operator and ISO 13459:2012 Level II criteria for trainer.
Note (1) The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.4 kg (5.29 Ibs) of refrigerant, which has a CO2 equivalent of 3.43 metric tonnes (3.78 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.4 kg (5.29 Ibs) of refrigerant, which has a CO2 equivalent of 3.43 metric tonnes (3.78 tons).
Front Axle - Empty 46.6 % 46.6 %
Front Axle - Loaded 33.8 % 33.8 %
Rear Axle - Empty 53.4 % 53.4 %
Rear Axle - Loaded 66.2 % 66.2 %
Effective Cylinder Stroke - Front 5.2 in 234 mm
Effective Cylinder Stroke - Rear 5.9 in 149 mm
Rear axle - Oscillation 8.1 ° 8.1 °
Chassis 66622 lb 30219 kg
Gross Vehicle 218920 lb 99300 kg
Fuel Tank 185 gal (US) 700 l
Cooling System 32 gal (US) 122 l
Differential - Final Drives 41 gal (US) 155 l
Steering Tank 9 gal (US) 34 l
Steering System - Including Tank 16 gal (US) 60 l
Torque Converter - Brake - Hoist Hydraulic Tank 35 gal (US) 133 l
Brake Hoist System - Includes Tank 81 gal (US) 307 l
Torque Converter - Transmission System - Including Sump 19 gal (US) 72 l
Torque Converter - Transmission System 14 gal (US) 53 l
Crankcase 18 gal (US) 68 l
Standard Tire 24.00-R35 (E4) 24.00-R35 (E4)
Note (1) Productive capabilities of the 773 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 773 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.
Sound Standards ISO 6393:2008, SAE J1166:2008 ISO 6393:2008, SAE J1166:2008
Note (1) For cab offered by Caterpillar, the operator sound exposure Leq (Equivalent Sound Pressure Level) is 80 dB(A) when measured according to work cycle procedures specified in SAE J1166:2008. This occurs when the cab is properly installed and maintained. The test was conducted with doors and windows closed. For cab offered by Caterpillar, the operator sound exposure Leq (Equivalent Sound Pressure Level) is 80 dB(A) when measured according to work cycle procedures specified in SAE J1166:2008. This occurs when the cab is properly installed and maintained. The test was conducted with doors and windows closed.
Note (2) 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.
Turning Diameter - Front 72.18 ft 22 m
Steering Standards Steering Standards Meets ISO 5010:2007 Steering Standards Meets ISO 5010:2007
Steer Angle 31 ° 31 °
Turning Circle - Clearance Diameter 82 ft 25 m
Height - Top of ROPS 13.12 ft 4000 mm
Overall Body Length 28 ft 8535 mm
Inside Body Length 21 ft 6400 mm
Overall Length 31.5 ft 9120 mm
Wheel Base 13.75 ft 4191 mm
Rear Axle - Tail 9.13 ft 2782 mm
Ground Clearance 1.86 ft 566 mm
Dump Clearance 2.22 ft 676 mm
Loading Height - Empty 12.38 ft 3773 mm
Inside Body Depth - Maximum 5.92 ft 1805 mm
Overall Height - Body Raised 28.83 ft 8787 mm
Operating Width 16.8 ft 5076 mm
Centerline Front Tire Width 10.74 ft 3275 mm
Engine Guard Clearance 2.2 ft 667 mm
Overall Canopy Width 14.41 ft 4393 mm
Outside Body Width 12.8 ft 3910 mm
Inside Body Width 12 ft 3658 mm
Front Canopy Height 14.41 ft 4393 mm
Rear Axle - Clearance 1.94 ft 591 mm
Centerline of Rear Dual Tire Width 9.6 ft 2927 mm
Overall Tire Width 14.62 ft 4457 mm

773 (05) Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

Powertrain

  • Cat® 3412E HEUI™ engine: 12-cylinder diesel,air-to-air aftercooler (ATAAC), hydraulic electronic unit injection, air filter with precleaner (2), automatic cold mode idle control, turbocharger (2)
  • Extended life coolant to -35° C (-30° F)
  • Transmission: 7-speed automatic power shift with ICM control, body upshift inhibitor, controlled throttle shifting, directional shift management, downshift inhibitor, neutral coast inhibitor, neutral start switch, programmable top gear/speed selection, reverse neutralizer during dumping, reverse shift inhibitor

Electrical

  • Alarm, backup
  • Alternator, 115 ampere
  • Batteries, maintenance-free, 12V (2), 190 amp-hour
  • Electrical system, 24V

Brakes

  • Caliper disc (front)
  • Oil disc (rear)
  • Parking
  • Secondary

Cab, ROPS

  • Air filter service indicator
  • Air system pressure gauge
  • Insulated and sound-suppressed
  • Ashtray and cigarette lighter
  • Audiovisual seat belt reminder
  • Camera System
  • Sun visor
  • Coat hook, cup holder
  • Coolant temperature gauge
  • Diagnostic connection port
  • Engine overspeed indicator
  • Entertainment radio ready: speakers, antenna, wiring harness
  • Hoist lever
  • HVAC
  • Left side power window
  • Load counter, automatic: Advisor display
  • Mirrors, left and right
  • Right side access door
  • ROPS cab, insulated/sound suppressed
  • Seat, Cat Comfort, full air suspension and retractable four-point seat belt with shoulder harness
  • Seat, trainer with lap belt
  • Throttle lock
  • Tinted, laminated glass
  • Transmission oil temperature gauge

Gauges

  • Transmission gear indicator
  • Air pressure
  • Brake oil temperature
  • Coolant temperature
  • Fuel
  • Hour meter, electric
  • Odometer
  • Speedometer
  • Tachometer

Lighting system

  • Backup light (halogen)
  • Dome/courtesy light
  • Directional signals/hazard warning (front and rear LED)
  • Headlights (LED) with dimmer
  • Hazard lights (LED)
  • Stop/tail lights, LED

Reservoirs (separate)

  • Brake/hoist
  • Steering
  • Transmission/torque converter

Technology Products

  • Product Link™

Other

  • Airline dryer
  • Body down indicator
  • Body mounting group
  • Body safety pin (secures body in up position)
  • Center-mounted rims
  • Driveline guards, operator safety vandalism protection lock
  • Engine crankcase guards
  • Ground level battery disconnect
  • Ground level grease fittings
  • Hydro pneumatic suspension at front and rear
  • Parts manual — digital (QR)
  • Rock ejectors
  • Supplemental steering, automatic

773 (05) Optional Equipment

Powertrain

  • Auto retarder control (ARC)
  • Traction Control System (TCS)
  • IBC (ARC &TCS)

Cab, ROPS

  • Fog lamp
  • Heated mirrors

Technology Products

  • Vital Information Management System (VIMS™)
  • Truck Payload Management System (TPMS)

Other

  • Automatic lubrication system
  • Body liner
  • Body sideboards
  • Cluster/grouped lubrication system
  • Cold weather package
  • Exhaust Muffler
  • Fast fluid fill system
  • Fire extinguisher
  • Fuel system, Fast fill
  • Guard, Turbocharger
  • Oil change system — high speed
  • Spare rim
  • Wheel Chocks

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