770 Off-Highway Truck

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Description

Technical Specifications

Benefits and Features

Equipment

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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.

Operating Specifications
Nominal Payload Class (100%)	41.2 Sh Ton
Top Speed - Loaded	45.8 mile/h
Target Payload (100%)	41.2 Sh Ton
Maximum Working Payload (110%)	46.8 ton (US)
Body Capacity - SAE 2:1	32.9 yd³
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.
Engine
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
Net Power - ISO 14396	508 hp
Engine 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.
Body Hoists
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
Capacity - Dual Slope - 100% Fill Factor
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.
Capacity - Flat Floor - 100% Fill Factor
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.
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	9.2 in
Empty Loaded Cylinder Stroke Rear	5.9 in
Rear axle - Oscillation	8.9 °
Service Refill Capacities
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)
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.
Steering
Steering Standards	ISO 5010:2019
Steer Angle	40.5 °
Turning Diameter - Front	57.7 ft
Turning Circle - Clearance Diameter	66.6 ft
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.
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.
Weights - Approximate
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.
Transmission
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.
Final Drives
Differential Ratio	1.92:1
Planetary Ratio	4.80:1
Total Reduction Ratio	9.216:1
Brakes
Brake Surface - Front	216 in²
Brake Surface - Rear	6235 in²
Brake Standards	ISO 3450:2011
Dimensions
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

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.

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