In 1963 Caterpillar introduced the 769, a revolutionary off-road truck that was purpose-built for the rigors of mining and heavy construction. Fifty years later, our trucks have never been better. We’ve taken the best of our rugged, dependable heritage and combined it with technologies that help our environment, make your operators more productive, and dramatically improve the economics of your haul fleet. The 770G has an updated Traction Control System (TCS) to keep you moving even when the ground conditions aren’t perfect. You’ll see improvements in fuel use through new and flexible fuel savings and we’re making the operating experience best in class with automotive quality shifting, noise reduction, and cab updates. Our heritage and new use of technology are combined in this truck for one purpose – the continued success of your business.
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Operating Specifications
- Nominal Payload Class (100%)
- 42.1 ton (US)
- Top Speed - Loaded
- 45.8 mile/h
- Target Payload (100%)
- 42.1 ton (US)
- Maximum Working Payload (110%)
- 46.3 ton (US)
- Maximum Allowable Payload (120%)*
- 50.5 ton (US)
- Body Capacity - SAE 2:1
- 32.9 yd³
- Note (1)
- *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
- 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
- 1,700 r/min
- Gross Power - SAE J1995
- 515 HP
- Net Power - SAE J1349
- 477 HP
- Net Power - ISO 9249
- 477 HP
- Net Power - 80/1269/EEC
- 489 HP
- Net Power - ISO 14396
- 508 HP
- Net Torque - SAE J1349
- 1,834 ft·lbf
- Number of Cylinders
- 6
- Bore
- 5.4 in
- Stroke
- 6.7 in
- Displacement
- 927.6 in³
- Note (1)
- Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
- Note (2)
- Ratings based on SAE J1,995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
- Note (3)
- No engine derating required up to 3,000 m (9,843 ft) altitude.
- Note (4)
- Meets Japan Small Volume Exemption.
- Emissions
- Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Weights - Approximate
- Target Gross Machine Operating Weight
- 157,000 lb
- Target Gross Machine Weight
- 157,000 lb
- Chassis Weight
- 55,948 lb
- Body Weight
- 17,306 lb
- Note (1)
- Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
- Note (2)
- Body weight is the standard Dual Slope 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
- 45.8 mile/h
- Reverse
- 8.8 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
- 9.26:1
Brakes
- Brake Surface - Front
- 216 in²
- Brake Surface - Rear
- 6,235 in²
- Brake Standards
- ISO 3,450:2,011
- Note
- Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
- Pump Flow - High Idle
- 118 gal/min
- Relief Valve Setting - Raise
- 2,750 psi
- Relief Valve Setting - Lower
- 500 psi
- 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.
- Note (2)
- *ISO 6,483:1,980.
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.
- Note (2)
- *ISO 6,483:1,980.
Weight Distributions - Approximate
- Front Axle - Empty
- 49 %
- Front Axle - Loaded
- 34 %
- Rear Axle - Empty
- 51 %
- 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
- 140 gal (US)
- Cooling System
- 33 gal (US)
- Crankcase
- 17 gal (US)
- Differential - Final Drives
- 47 gal (US)
- Steering Tank
- 14.5 gal (US)
- Steering System - Including Tank
- 23 gal (US)
- Brake/Hoist Hydraulic Tank
- 38 gal (US)
- Brake Hoist System
- 60 gal (US)
- Torque Converter - Transmission System
- 17 gal (US)
- DEF Tank
- 6 gal (US)
Steering
- Steering Standards
- ISO 5,010:2,007
- Steer Angle
- 40.5 °
- Turning Diameter - Front
- 57.7 ft
- Turning Circle - Clearance Diameter
- 66.6 ft
- 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 770G 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 3,471:2,008 ROPS criteria.
- FOPS Standards
- Falling Objects Protective Structure (FOPS) meets ISO 3,449:2,005 Level II FOPS criteria.
Sound
- 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)
- Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6,395:2,008 is 116 dB(A).
- Sound Standards (3)
- Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6,396:2,008 is used.
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
- 1.8 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
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)
-
- 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
-
- Power Train
-
- Air-To-Air Aftercooler (ATAAC)
- Air cleaner 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
– 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
-
- 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
-
- Antifreeze
-
- Extended Life Coolant to -35° C (-30° F)
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
- Heated mirrors
- Fuel heater
- Ether aid
- Coolant heater
- Auto lube
- Rear vision camera (WAVS)
- Spare rims
- Wheel chocks
- Body sideboards
- Traction Control System (TCS)
Specifications
Operating Specifications
- Nominal Payload Class (100%)
- 42.1 ton (US)
- Top Speed - Loaded
- 45.8 mile/h
- Target Payload (100%)
- 42.1 ton (US)
- Maximum Working Payload (110%)
- 46.3 ton (US)
- Maximum Allowable Payload (120%)*
- 50.5 ton (US)
- Body Capacity - SAE 2:1
- 32.9 yd³
- Note (1)
- *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
- 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
- 1,700 r/min
- Gross Power - SAE J1995
- 515 HP
- Net Power - SAE J1349
- 477 HP
- Net Power - ISO 9249
- 477 HP
- Net Power - 80/1269/EEC
- 489 HP
- Net Power - ISO 14396
- 508 HP
- Net Torque - SAE J1349
- 1,834 ft·lbf
- Number of Cylinders
- 6
- Bore
- 5.4 in
- Stroke
- 6.7 in
- Displacement
- 927.6 in³
- Note (1)
- Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
- Note (2)
- Ratings based on SAE J1,995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
- Note (3)
- No engine derating required up to 3,000 m (9,843 ft) altitude.
- Note (4)
- Meets Japan Small Volume Exemption.
- Emissions
- Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Weights - Approximate
- Target Gross Machine Operating Weight
- 157,000 lb
- Target Gross Machine Weight
- 157,000 lb
- Chassis Weight
- 55,948 lb
- Body Weight
- 17,306 lb
- Note (1)
- Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
- Note (2)
- Body weight is the standard Dual Slope 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
- 45.8 mile/h
- Reverse
- 8.8 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
- 9.26:1
Brakes
- Brake Surface - Front
- 216 in²
- Brake Surface - Rear
- 6,235 in²
- Brake Standards
- ISO 3,450:2,011
- Note
- Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
- Pump Flow - High Idle
- 118 gal/min
- Relief Valve Setting - Raise
- 2,750 psi
- Relief Valve Setting - Lower
- 500 psi
- 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.
- Note (2)
- *ISO 6,483:1,980.
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.
- Note (2)
- *ISO 6,483:1,980.
Weight Distributions - Approximate
- Front Axle - Empty
- 49 %
- Front Axle - Loaded
- 34 %
- Rear Axle - Empty
- 51 %
- 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
- 140 gal (US)
- Cooling System
- 33 gal (US)
- Crankcase
- 17 gal (US)
- Differential - Final Drives
- 47 gal (US)
- Steering Tank
- 14.5 gal (US)
- Steering System - Including Tank
- 23 gal (US)
- Brake/Hoist Hydraulic Tank
- 38 gal (US)
- Brake Hoist System
- 60 gal (US)
- Torque Converter - Transmission System
- 17 gal (US)
- DEF Tank
- 6 gal (US)
Steering
- Steering Standards
- ISO 5,010:2,007
- Steer Angle
- 40.5 °
- Turning Diameter - Front
- 57.7 ft
- Turning Circle - Clearance Diameter
- 66.6 ft
- 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 770G 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 3,471:2,008 ROPS criteria.
- FOPS Standards
- Falling Objects Protective Structure (FOPS) meets ISO 3,449:2,005 Level II FOPS criteria.
Sound
- 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)
- Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6,395:2,008 is 116 dB(A).
- Sound Standards (3)
- Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6,396:2,008 is used.
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
- 1.8 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
Standard/Optional Features
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)
-
- 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
-
- Power Train
-
- Air-To-Air Aftercooler (ATAAC)
- Air cleaner 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
– 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
-
- 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
-
- Antifreeze
-
- Extended Life Coolant to -35° C (-30° F)
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
- Heated mirrors
- Fuel heater
- Ether aid
- Coolant heater
- Auto lube
- Rear vision camera (WAVS)
- Spare rims
- Wheel chocks
- Body sideboards
- Traction Control System (TCS)