770 Off-Highway Truck

Efficient Performance for Demanding Operations

Cat® 770 is built to move materials efficiently in construction and quarry applications, helping operators improve productivity and hauling performance. Paired with Cat 986, 987, or 988 Wheel Loaders and Cat 374 Hydraulic Excavators, the 770 delivers safe, dependable material movement across a wide range of hauling environments.

Cat® 770 is built to move materials efficiently in construction and quarry applications, helping operators improve productivity and hauling performance. Paired with Cat 986, 987, or 988 Wheel Loaders and Cat 374 Hydraulic Excavators, the 770 delivers safe, dependable material movement across a wide range of hauling environments.

Highlights
Videos
Features & Specs
Photo Gallery

Equipment Highlights

PRODUCTIVITY
Responsive traction control and increased torque improve power transfer to the ground while helping manage wheel slip.
OPERATOR COMFORT
The redesigned cab incorporates improved visibility, ergonomic controls, climate management, and enhanced operator seating.
SAFETY
Features include seat belt monitoring, overload speed limiting, secondary steering, and certified ROPS/FOPS protection.


















EFFICIENCY
APECS, Adaptive Economy Mode, auto-neutral idle, and idle shutdown help optimize machine operating efficiency.
APPLICATION
Body options and liner selections support a range of quarry, construction, and aggregate hauling applications.





SERVICEABILITY
Grouped service points, common components, and VIMS™ monitoring support efficient maintenance and troubleshooting. Durable LED lighting and integrated engine systems help simplify service while supporting long-term machine operation.
TECHNOLOGY
Cat Payload, Product Link™, VIMS™, and VisionLink® provide machine monitoring, payload visibility, and fleet management information.

In-Stock at Hawthorne Cat

View All New Inventory

Video Library

Features + Specs

Equipment Features
Optional Equipment
Specs
  • ROPS Standards: Rollover protective structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer ROPS criteria.
  • FOPS Standards: Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer FOPS criteria.
  • Sound Standards: 78.5 dB(A)
  • Sound Standards (1): Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
  • Sound Standards (2): Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
  • Sound Standards (3): The machine sound power level is measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at 80% of the maximum engine cooling fan speed.
  • Standard Tire: 18.00R33 (E4)
  • Note (1): Productive capabilities of the 770 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 evaluates all job conditions and consults the tire manufacturer for proper tire selection.
  • Brake Surface - Front: 216 in²
  • Brake Surface - Rear: 6235 in²
  • Brake Standards: ISO 3450:2011
  • Engine Model: Cat® C15
  • Rated Engine Speed: 1700 r/min
  • Gross Power - SAE J1995:2014: 515 hp
  • Net Power - SAE J1349:2011: 477 hp
  • Net Power - ISO 9249: 477 hp
  • Net Power - 80/1269/EEC: 489 hp
  • Engine Power - ISO 14396: 508 hp
  • Net Power - ISO 14396: 508 hp
  • Net Torque - SAE J1349: 1579 ft-lb
  • Number of Cylinders: 6
  • Bore: 5.4 in
  • Stroke: 6.7 in
  • Displacement: 927.6 in³
  • Note (1): The power ratings are tested at the reference conditions for the specified standard.
  • Note (2): MIN NET SAE J1349:2011/ISO 9249:2007 Net power advertised is the power available at the flywheel when the engine is equipped with fan at maximum speed, alternator, air intake system, and exhaust system.
  • Emissions: Meets U.S. EPA Tier 4 and EU Stage V emission standards.
  • Steering Standards: ISO 5010:2019
  • Steer Angle: 40.5 °
  • Turning Diameter - Front: 57.7 ft
  • Turning Circle - Clearance Diameter: 66.6 ft
  • Height - Top of ROPS: 12.7 ft
  • Overall Body Length: 26.8 ft
  • Inside Body Length: 18.5 ft
  • Overall Length: 28.9 ft
  • Wheel Base: 13 ft
  • Rear Axle - Tail: 8.5 ft
  • Ground Clearance: 1.6 ft
  • Dump Clearance: 1.7 ft
  • Loading Height - Empty: 10.3 ft
  • Inside Body Depth - Maximum: 4.6 ft
  • Overall Height - Body Raised: 27.1 ft
  • Operating Width: 15.7 ft
  • Centerline Front Tire Width: 10.2 ft
  • Engine Guard Clearance: 1.1 ft
  • Outside Body Width: 12.9 ft
  • Inside Body Width: 11.9 ft
  • Front Canopy Height: 13.5 ft
  • Rear Axle - Clearance: 1.8 ft
  • Centerline of Rear Dual Tire Width: 8.3 ft
  • Overall Tire Width: 12.1 ft
  • Empty Loaded Cylinder Stroke Front: 9.2 in
  • Empty Loaded Cylinder Stroke Rear: 5.9 in
  • Rear axle - Oscillation: 8.9 °
  • Pump Flow - High Idle: 112.2 gpm
  • Relief Valve Setting - Raise: 2750 psi
  • Relief Valve Setting - Lower: 500 psi
  • Body Power Down - High Idle: 8.0 seconds (approx.)
  • Body Raise Time - High Idle: 7.5 seconds (approx.)
  • Body Raise Time - High Idle: 7.5 s
  • Body Lower Time - Float: 10 s
  • Body Power Down - High Idle: 10 s
  • Differential Ratio: 1.92:1
  • Planetary Ratio: 4.80:1
  • Total Reduction Ratio: 9.216:1
  • Forward - 1: 7.4 mile/h
  • Forward - 2: 10.1 mile/h
  • Forward - 3: 13.8 mile/h
  • Forward - 4: 18.5 mile/h
  • Forward - 5: 25.1 mile/h
  • Forward - 6: 33.8 mile/h
  • Forward - 7: 45.9 mile/h
  • Reverse: 9.7 mile/h
  • Note: Maximum travel speeds with standard 18.00R33 (E4) tires.
  • Target Gross Machine Operating Weight: 157000 lb
  • Chassis Weight: 55948 lb
  • Body Weight: 17447 lb
  • Note (1): Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
  • Note (2): Body weight is the Flat Floor body with no liner and will vary depending on configuration.
  • Nominal Payload Class (100%): 41.2 Sh Ton
  • Top Speed - Loaded: 45.8 mile/h
  • Target Payload (100%): 41.2 Sh Ton
  • Body Capacity - SAE 2:1: 32.9 yd³
  • Maximum Working Payload (110%): 46.8 ton (US)
  • Maximum Allowable Payload (120%)*: 51 ton (US)
  • Top Speed - Loaded*: 45.8 mile/h
  • Note: Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
  • Note (1): Capacity with dual slope body with no liner.
  • Note (2): Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.
  • Fuel Tank: 210 gal (US)
  • Cooling System: 43.3 gal (US)
  • Crankcase: 24 gal (US)
  • Differential - Final Drives: 37 gal (US)
  • Steering Tank: 9.5 gal (US)
  • Steering System - Including Tank: 14 gal (US)
  • Brake/Hoist Hydraulic Tank: 46.5 gal (US)
  • Brake Hoist System: 85 gal (US)
  • Torque Converter - Transmission System: 18.5 gal (US)
  • DEF Tank: 6 gal (US)
  • Front Axle - Empty: 52 %
  • Front Axle - Loaded: 34 %
  • Rear Axle - Empty: 48 %
  • Rear Axle - Loaded: 66 %
  • Struck: 23.01 yd³
  • Heaped (SAE 2:1)*: 32.9 yd³
  • Note (1): Contact your local Cat dealer for body recommendation. *ISO 6483:1980
  • Note (2): *ISO 6483:1980.
  • Struck: 23.01 yd³
  • Heaped (SAE 2:1)*: 32.9 yd³
  • Note (1): Contact your local Cat dealer for body recommendation. *ISO 6483:1980
  • Note (2): *ISO 6483:1980.
Downloads

    Photo Gallery

    Let us help you find what you are looking for.