770 Off-Highway Truck
THE RUNDOWN
ACHIEVE GREATER PRODUCTIVITY
PRODUCTIVITY
Responsive traction control and increased torque improve power transfer to the ground while helping manage wheel slip.
BOOST FUEL EFFICIENCY
OPERATOR COMFORT
The redesigned cab incorporates improved visibility, ergonomic controls, climate management, and enhanced operator seating.
DESIGNED FOR SAFETY
SAFETY
Features include seat belt monitoring, overload speed limiting, secondary steering, and certified ROPS/FOPS protection.
WORK IN COMFORT
EFFICIENCY
APECS, Adaptive Economy Mode, auto-neutral idle, and idle shutdown help optimize machine operating efficiency.
TECHNOLOGY THAT GETS WORK DONE
APPLICATION
Body options and liner selections support a range of quarry, construction, and aggregate hauling applications.
REDUCED MAINTENANCE COST AND OTHER COSTS
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.
APPLICATION VERSATILITY
TECHNOLOGY
Cat Payload, Product Link™, VIMS™, and VisionLink® provide machine monitoring, payload visibility, and fleet management information.
Engine
| Engine Model | Cat® C15 |
| Rated Engine Speed | 1700r/min |
| Gross Power - SAE J1995:2014 | 515hp |
| Net Power - SAE J1349:2011 | 477hp |
| Net Power - ISO 9249 | 477hp |
| Net Power - 80/1269/EEC | 489hp |
| Net Power - ISO 14396 | 508hp |
| Engine Power - ISO 14396 | 508hp |
| Net Torque - SAE J1349 | 1579ft-lb |
| Number of Cylinders | 6 |
| Bore | 5.4in |
| Stroke | 6.7in |
| Displacement | 927.6in³ |
| 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. |
| Note (3) | No engine derating required up to 3000 m (9,843 ft) altitude. |
| Note (4) | Meets Japan Small Volume Exemption. |
Weights - Approximate
| Target Gross Machine Operating Weight | 157000lb |
| Target Gross Machine Weight | 157000lb |
| Chassis Weight | 55948lb |
| Body Weight | 17447lb |
| 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. |
Operating Specifications
| Nominal Payload Class (100%) | 41.2Sh Ton |
| Top Speed - Loaded | 45.8mile/h |
| Target Payload (100%) | 41.2Sh Ton |
| Maximum Working Payload (110%) | 46.8ton (US) |
| Body Capacity - SAE 2:1 | 32.9yd³ |
| Maximum Allowable Payload (120%)* | 51ton (US) |
| Top Speed - Loaded* | 45.8mile/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. |
Transmission
| Forward - 1 | 7.4mile/h |
| Forward - 2 | 10.1mile/h |
| Forward - 3 | 13.8mile/h |
| Forward - 4 | 18.5mile/h |
| Forward - 5 | 25.1mile/h |
| Forward - 6 | 33.8mile/h |
| Forward - 7 | 45.9mile/h |
| Reverse | 9.7mile/h |
| Note | Maximum travel speeds with standard 18.00R33 (E4) tires. |
Final Drives
| Differential Ratio | 1.92:1 |
| Planetary Ratio | 4.80:1 |
| Total Reduction Ratio | 9.216:1 |
Brakes
| Brake Surface - Front | 216in² |
| Brake Surface - Rear | 6235in² |
| Brake Standards | ISO 3450:2011 |
| Note | Target gross machine operating weight is 71 214 kg (157,000 lb). |
Body Hoists
| Pump Flow - High Idle | 112.2gpm |
| Relief Valve Setting - Raise | 2750psi |
| Relief Valve Setting - Lower | 500psi |
| Body Power Down - High Idle | 8.0 seconds (approx.) |
| Body Raise Time - High Idle | 7.5 seconds (approx.) |
| Body Raise Time - High Idle | 7.5s |
| Body Lower Time - Float | 10s |
| Body Power Down - High Idle | 10s |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 23.01yd³ |
| Heaped (SAE 2:1)* | 32.9yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. *ISO 6483:1980 |
| Note (2) | *ISO 6483:1980. |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 23.01yd³ |
| Heaped (SAE 2:1)* | 32.9yd³ |
| Note (1) | Contact your local Cat dealer for body recommendation. *ISO 6483:1980 |
| Note (2) | *ISO 6483:1980. |
Weight Distributions - Approximate
| Front Axle - Empty | 52% |
| Front Axle - Loaded | 34% |
| Rear Axle - Empty | 48% |
| Rear Axle - Loaded | 66% |
Suspension
| Empty Loaded Cylinder Stroke Front | 9.2in |
| Empty Loaded Cylinder Stroke Rear | 5.9in |
| Rear axle - Oscillation | 8.9° |
Sound
| 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. |
Service Refill Capacities
| Fuel Tank | 210gal (US) |
| Cooling System | 43.3gal (US) |
| Crankcase | 24gal (US) |
| Differential - Final Drives | 37gal (US) |
| Steering Tank | 9.5gal (US) |
| Steering System - Including Tank | 14gal (US) |
| Brake/Hoist Hydraulic Tank | 46.5gal (US) |
| Brake Hoist System | 85gal (US) |
| Torque Converter - Transmission System | 18.5gal (US) |
| DEF Tank | 6gal (US) |
Steering
| Steering Standards | ISO 5010:2019 |
| Steer Angle | 40.5° |
| Turning Diameter - Front | 57.7ft |
| Turning Circle - Clearance Diameter | 66.6ft |
| Note | Target gross machine operating weight is 71 214 kg (157,000 lb). |
Tires
| 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. |
ROPS
| 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. |
Dimensions
| Height - Top of ROPS | 12.7ft |
| Overall Body Length | 26.8ft |
| Inside Body Length | 18.5ft |
| Overall Length | 28.9ft |
| Wheel Base | 13ft |
| Rear Axle - Tail | 8.5ft |
| Ground Clearance | 1.6ft |
| Dump Clearance | 1.7ft |
| Loading Height - Empty | 10.3ft |
| Inside Body Depth - Maximum | 4.6ft |
| Overall Height - Body Raised | 27.1ft |
| Operating Width | 15.7ft |
| Centerline Front Tire Width | 10.2ft |
| Engine Guard Clearance | 1.1ft |
| Outside Body Width | 12.9ft |
| Inside Body Width | 11.9ft |
| Front Canopy Height | 13.5ft |
| Rear Axle - Clearance | 1.8ft |
| Centerline of Rear Dual Tire Width | 8.3ft |
| Overall Tire Width | 12.1ft |
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
- Alarm, backup
- Alternator, 115 ampere
- Auxiliary jump start receptacle
- Batteries, maintenance-free, 12V (2), 190 amp-hour
- Electrical system, 24V
- Lighting system:– Backup light (halogen)– Directional signals/hazard warning (front and rear LED)– Headlights, (halogen) with dimmer– Operator access courtesy lights (Developing Market Only)
- Alarm, backup
- Batteries, maintenance-free, 12V (2), 190 amp-hour
- Lighting system:– Backup light (halogen)– Directional signals/hazard warning (front and rear LED)– Headlights, (halogen) with dimmer– Operator access courtesy lights (Developing Market Only)
PRODUCT LINK™ COMMUNICATIONS
- Product Link Ready
GUARDS
- Driveline
- Engine crankcase
OPERATOR ENVIRONMENT
- Air conditioning
- Ashtray and cigarette lighter
- Coat hook
- Cup holders (4)
- Diagnostic connection port, 24V
- Entertainment Radio Ready:– 5 amp converter– Speakers– Antenna– Wiring harness
- Gauges/indicators:– Air cleaner service indicator - electronic– Brake oil temperature gauge– Coolant temperature gauge– Hour meter– Tachometer– Engine overspeed indicator– Fuel level– Speedometer with odometer– Transmission gear indicator
- Heater/defroster (11 070 kCal/43,930 BTU)
- Hoist lever
- Horn, electric
- Light - dome
- Light - courtesy
- Messenger, display unit
- Mirrors
- Power port, 12V
- ROPS cab, insulated/sound suppressed
- Seat, Cat Comfort Series III:– full air suspension– four-point harness
- Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor, tinted glass
- Throttle lock
- Windshield wiper (intermittent) and washer
- Air conditioning
- Coat hook
- Cup holders (4)
- Diagnostic connection port, 24V
- Entertainment Radio Ready:– 5 amp converter– Speakers– Antenna– Wiring harness
- Fluid and fuel system monitoring (Tier 4 only)
- Gauges/indicators:– Air cleaner service indicator - electronic– Brake oil temperature gauge– Coolant temperature gauge– Hour meter– Tachometer– Engine overspeed indicator– Fuel level– Speedometer with odometer– Transmission gear indicator
- Heater/defroster (11 070 kCal/43,930 BTU)
- Hoist shift lever with integrated fingerprint control
- Horn, electric
- Lights: courtesy, dome
- Mirrors
- Power port, 12V
- Windshield wiper (intermittent) and washer
- Rollover protective structure (ROPS) cab and falling object protective structure (FOPS) cab
- Seat, full air suspension, 4-point seat belt with shoulder harness
- Seat belt reminder system: Seat belt alert and Seat belt inhibit
- Trainer seat, lap belt, with seat belt reminder
- Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor, tinted glass
- Throttle lock
POWER TRAIN
- Air-To-Air Aftercooler (ATAAC)
- Air filter with precleaner (1)
- Automatic cold mode idle control
- Electric start
- Turbocharger
- Braking system, hydraulic actuated:– Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes)– Brake release motor (towing)– Caliper-disc (front)– Extended Life Brakes– Oil-cooled, multiple disc (rear)– Parking– Secondary– Service
- Transmission:– 7-speed automatic powershift with electronic clutch pressure control with advanced productivity electronic control strategy (APECS)– Body up-shift inhibitor– Controlled throttle shifting– Directional shift management– Downshift inhibitor– Neutral start switch– Neutral coast inhibitor– Reverse shift inhibitor– Reverse neutralizer during dumping– Programmable top gear selection
- Air filter with precleaner (1)
- Air-To-Air Aftercooler (ATAAC)
- Automatic cold mode idle control
- Air-to-Air Aftercooler (ATAAC)
- Automatic cold mode idle control
- Auto neutral idle
- Auto stall
- Braking system, hydraulic actuated:– Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes)– Brake release motor (towing)– Caliper-disc (front)– Extended Life Brakes– Oil-cooled, multiple disc (rear)– Parking– Secondary– Service
- Brake wear indicator (Tier 4/Stage V)
- Cat C15 Diesel Engine
- Electric start
- Engine idle shutdown
- Second gear start
- Transmission:– 7-speed automatic powershift with electronic clutch pressure control with advanced productivity electronic control strategy (APECS)– Body up-shift inhibitor– Controlled throttle shifting– Directional shift management– Downshift inhibitor– Neutral start switch– Neutral coast inhibitor– Reverse shift inhibitor– Reverse neutralizer during dumping– Programmable top gear selection
- Turbocharger
SUSPENSION SYSTEMS
- Suspension, front and rear
OTHER STANDARD EQUIPMENT
- Body safety pin (secures body in up position)
- Body down indicator
- CD-ROM parts book
- Fan, hydraulic demand
- Fuel tank (530 L/140 gal)
- Guard, engine compartment
- Guard, mud
- Ground level battery disconnect
- Ground level engine shutdown
- Ground level grease fittings
- Reservoirs (separate):– Brake/converter/hoist– Steering– Transmission/torque converter
- Rims 15 × 33
- Rock ejectors
- Service platform, left and right side
- Supplemental steering (automatic)
- Tie down eyes
- Tow hooks (front)/Tow pin (rear)
- Vandalism protection locks
- Advisor display, bronze
- Body safety pin (secures body in up position)
- QR code - parts book
- Clustered lube
- Extended life coolant to -35 C (-30 F)
- Fan, hydraulic demand
- Fuel tank (530 L/140 gal)
- Guard, driveline
- Guard, engine compartment
- Guard, engine crankcase
- Guard, mud
- Ground level battery disconnect
- Ground level engine shutdown
- Cat Detect Surround Vision
- Reservoirs (separate):– Brake/converter/hoist– Steering– Transmission/torque converter
- Rims 15 × 33
- Rock ejectors
- Service platform, left and right side
- Supplemental steering (automatic)
- Suspension, front and rear
- Tie down eyes
- Tow hooks (front)/Tow pin (rear)
- Vandalism protection locks
- Cab air filter
ANTIFREEZE
- Extended Life Coolant to -35° C (-30° F)
TECHNOLOGY PRODUCTS
- Product Link
- Economy modes, standard and adaptive
- Advanced health
Optional Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
OPTIONAL EQUIPMENT
- Cat Engine Brake
- Extended Life Brake Discs
- Body heat/diverter box
- Four (4) batteries
- HID lights
- Product Link
- Backup alarm
- Wheel chocks
- Traction Control System (TCS)
- Heated mirrors
- Spare rims
- Body sideboards
- Fuel heater
- Ether aid
- Traction Control System (TCS)
- Coolant heater
- Auto lube
- Rear vision camera (WAVS)
POWER TRAIN
- Brake wear indicator (Tier 3 and Tier 2)
- Cat engine brake
Fluid and fuel system monitoring (Tier 3 and Tier 2)
OPERATOR ENVIRONMENT
- Lights, Halogen
- Mirrors, heated
Visibility package (WAVS)
TECHNOLOGY PRODUCTS
- Traction Control System (TCS)
OTHER STANDARD EQUIPMENT
- Body: Flat Floor, Quarry, Dual Slope
- Body heat/diverter box
- Body sideboards/liner
- Coolant heater
- Ether aid
- Fuel heater
- Standard lube/auto lube
- Spare rims
- Wheel chocks
- Cab precleaner
- Cat Advanced Payload
- Tire Pressure Management System (TPMS)
- Adaptor fast fill fuel
- Guard, overhead
