773 (07)

773 (07)
Caterpillar
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The Cat® 773 Off-Highway Truck is engineered to help operations maximize productivity, reduce operating costs, and achieve reliable performance. Backed by advanced design, rigorous testing, and proven quality control processes, the 773 has accumulated more than 30,000 hours of customer validation to help deliver dependable performance from day one. Seven fuel-saving features and two customizable fuel economy modes help lower fuel consumption without compromising productivity. Combined with enhanced operator comfort, simplified serviceability, and improved environmental performance, the Cat 773 is built to meet the demands of today’s haulage operations. The result is a truck that delivers the efficiency, durability, and performance your business depends on every day.
The Cat® 773 Off-Highway Truck is engineered to help operations maximize productivity, reduce operating costs, and achieve reliable performance. Backed by advanced design, rigorous testing, and proven quality control processes, the 773 has accumulated more than 30,000 hours of customer validation to help deliver dependable performance from day one. Seven fuel-saving features and two customizable fuel economy modes help lower fuel consumption without compromising productivity. Combined with enhanced operator comfort, simplified serviceability, and improved environmental performance, the Cat 773 is built to meet the demands of today’s haulage operations. The result is a truck that delivers the efficiency, durability, and performance your business depends on every day.

Brochures and Spec Sheets

Gallery

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Specifications

Specification Value Unit
Nominal Payload Class (100%) 71.6 ton (US)
Engine Model
Top Speed - Loaded 42 mile/h
Rated Engine Speed 1800 r/min
Gross Power - SAE J1995:2014 825 hp
Net Power - SAE J1349:2011 768 hp
Net Power - ISO 9249 768 hp
Net Torque Rise
Bore 5.4 in
Stroke 6 in
Peak Torque - Speed 1200 r/min
Net Torque 2874 ft-lb
Net Torque - SAE J1349 3148 lbf·ft
Displacement 1648 in³
Note (1)
Note (2)
Note (3)
Note (4)
Maximum Gross Vehicle Weight 226503 lb
Note (2)
Body Capacity - SAE 2:1 46.75 yd³
Target Payload (100%) 61.7 ton (US)
Note (1)
Maximum Allowable Payload (120%)* 74 ton (US)
Maximum Working Payload (110%) 67.8 ton (US)
Forward - 1 6.7 mile/h
Forward - 2 9.4 mile/h
Forward - 3 12.7 mile/h
Forward - 4 17 mile/h
Forward - 5 23 mile/h
Forward - 6 31.1 mile/h
Forward - 7 42 mile/h
Reverse 8.8 mile/h
Note
Differential Ratio
Planetary Ratio
Total Reduction Ratio
Brake Surface - Front 257 in²
Brake Surface - Rear 9497 in²
Brake Standards
Pump Flow - High Idle 118 gpm
Relief Valve Setting - Raise 2502 psi
Relief Valve Setting - Lower 500 psi
Body Raise Time - High Idle 9.5 s
Body Lower Time - Float 13 s
Body Power Down - High Idle 13 s
Struck 35.13 yd³
Note (1)
Heaped (SAE 2:1)* 46.76 yd³
Note (2)
Struck 34.33 yd³
Heaped (SAE 2:1)* 46.41 yd³
Note (2)
Note (1)
Front Axle - Empty 53 %
Front Axle - Loaded 35 %
Rear Axle - Empty 47 %
Rear Axle - Loaded 65 %
Rear axle - Oscillation 8.1 °
Empty Loaded Cylinder Stroke Front 9.2 in
Empty Loaded Cylinder Stroke Rear 5.8 in
Fuel Tank 210 gal (US)
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 Hydraulic Tank 46.5 gal (US)
Crankcase 24 gal (US)
Brake Hoist System 85 gal (US)
Torque Converter - Transmission System - LRC 16 gal (US)
Standard Tire
Note (1)
Note (2)
FOPS Standards
ROPS Standards
Sound Standards (2)
Sound Standards (3)
Sound Standards (1)
Turning Diameter - Front 77.1 ft
Steering Standards
Steer Angle 31 °
Turning Circle - Clearance Diameter 85.6 ft

Standard Equipment

  • NOTE
  • POWER TRAIN
  • SUSPENSION SYSTEMS
  • ELECTRICAL
  • TECHNOLOGY PRODUCTS
  • OPERATOR ENVIRONMENT
  • GUARDS
  • FLUIDS
  • OTHER STANDARD EQUIPMENT

Optional Equipment

  • NOTE
  • OPTIONAL EQUIPMENT