The Cat® 777 is engineered to be the industry’s most efficient 100-ton mechanical truck. With your input, we have designed and manufactured a reliable, durable, and economical truck, offering comfort, confidence, and control to its operators. With an improved access system designed to minimize slips and falls, this truck provides firm footing and stability in less-than-perfect conditions.
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Operating Specifications
- Target Payload (100%)
- 101.1 ton (US)
- Top Speed - Loaded
- 40.9 mile/h
- Maximum Working Payload (110%)
- 111.2 ton (US)
- Maximum Allowable Payload (120%)*
- 121.3 ton (US)
- Body Capacity - SAE 2:1
- 83.1 yd³
- Note (1)
- Capacity with flat floor X Body with liner.
- Note (2)
- * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.
Engine
- Engine Model
- Cat® C32B
- Gross Power - SAE J1995
- 1,025 hp
- Net Power - SAE J1349
- 916 hp
- Bore
- 5.7 in
- Stroke
- 6.4 in
- Displacement
- 1,959 in³
- Cylinders
- 12
- Engine Speed
- 1,800 r/min
- Engine Power - ISO 14396
- 1,008 hp
- Peak Torque - Speed
- 1,200 r/min
- Net Torque Rise
- Tier 4: 39%. Tier 2: 37%
- Note (1)
- Power rating applies at 1,800 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)
- Available as U.S. EPA Tier 4 Final/EU Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards.
- Note (4)
- Meets China Nonroad Stage III emission standards equivalent to Tier 3 or Tier 2.
Capacity - Coal Bodies - 100% Fill Factor
- SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3)
- 116.8 yd³
- SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3)
- 139 yd³
- SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3)
- 144 yd³
- SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3)
- 164.6 yd³
Capacity - X Body - 100% Fill Factor
- Struck
- 56.3 yd³
- Heaped (SAE 2:1)*
- 83.8 yd³
- Note (1)
- Contact your local Cat dealer for body recommendation.
- Note (2)
- *ISO 6,483:1,980
Capacity - Dual Slope - 100% Fill Factor
- Struck
- 54.8 yd³
- Heaped (SAE 2:1)*
- 78.6 yd³
- Note (1)
- Contact your local Cat dealer for body recommendation.
- Note (2)
- *ISO 6,483:1,980
Weight Distributions - Approximate
- Front Axle - Empty
- 42 %
- Front Axle - Loaded
- 33 %
- Rear Axle - Empty
- 58 %
- Rear Axle - Loaded
- 67 %
Transmission
- Forward - 1
- 6.6 mile/h
- Forward - 2
- 9.1 mile/h
- Forward - 3
- 11.9 mile/h
- Forward - 4
- 16.6 mile/h
- Forward - 5
- 22.5 mile/h
- Forward - 6
- 30.2 mile/h
- Forward - 7
- 40.9 mile/h
- Reverse
- 7.5 mile/h
- Note
- Maximum travel speeds with standard 27.00R49 (E4) tires.
Final Drives
- Differential Ratio
- 2.736:1
- Planetary Ratio
- 7.0:1
- Total Reduction Ratio
- 19.1,576:1
Brakes
- Brake Standards
- ISO 3,450-2,011
- Brake Surface Area - Front
- 6,331 in²
- Brake Surface Area - Rear
- 15,828 in²
Service Refill Capacities
- Fuel Tank (1)
- 300 gal (US)
- Fuel Tank (2)
- 350 gal (US)
- Cooling System
- 61 gal (US)
- Crankcase
- 28.7 gal (US)
- Differentials
- 59.9 gal (US)
- Final Drive - Each
- 20 gal (US)
- Steering System - Including Tank
- 14.1 gal (US)
- Brake Hoist System
- 117 gal (US)
- Torque Converter - Transmission System
- 36.5 gal (US)
Body Hoists
- Pump Flow - High Idle
- 120.9 gal/min
- Relief Valve Setting - Raise
- 2,750 psi
- Relief Valve Setting - Lower
- 500 psi
- Body Raise Time - High Idle
- 15 s
- Body Lower Time - Float
- 13 s
- Body Lower Time - High Idle
- 13 s
Suspension
- Rear axle - Oscillation
- 5.4 °
- Empty Loaded Cylinder Stroke Rear
- 2.5 in
- Empty Loaded Cylinder Stroke Front
- 2.9 in
Tires
- Standard Tire
- 27.00R49 (E4)
- Note (1)
- Productive capabilities of the 777 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 evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Steering
- Turning Diameter - Front
- 83 ft
- Steering Standards
- ISO 5,010:2,007
- Steer Angle
- 30.5 °
- Turning Circle - Clearance Diameter
- 93 ft
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.
Weights - Approximate
- Target Gross Machine Weight
- 363,000 lb
Sound
- Sound Standards (1)
- The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1,166 FEB2,008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t
- Sound Standards (2)
- The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2,008, mid‑gear moving operation is 83 dB(A).
- Sound Standards (3)
- Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat® dealer for details.
-
- Power Train
-
- Autostall
- Engine idle shutdown
- Air-To-Air Aftercooler (ATAAC)
- Air cleaner with precleaner (2)
- Automatic cold mode idle control
- Electric priming pump
- Electric cold weather start (two starters and four batteries)
- Ether starting aid
- Exhaust, muffler
- Fuel filter/water separator
- Turbocharger (2)
- Braking system:
– Extended life brakes
– Brake wear indicator
– Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes)
– Brake release motor (towing)
– Manual retarder (utilizes oil-cooled, multiple disc brakes)
– Oil-cooled, multiple disc (front/rear)
– Parking
– Secondary
– Service - Transmission
– Auto neutral idle
– Advanced Productivity Electronic Control Strategy (APECS) Software
– Electronic Clutch Pressure Control (ECPC) - Part Throttle Shifting
– 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control
– Body up-shift inhibitor
– 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, rear
-
- Electrical
-
- Alarm, backup
- Alternator, 115 ampere
- Auxiliary jump start receptacle
- Batteries, maintenance-free, 12V (4), 200 amp-hour
- Electrical system, 25 AMP, 24V to 12V converter
- Lighting system (LED)
– Backup light
– Directional signals/hazard warning, (front and rear)
– Headlights with dimmer
– Payload, indicator lights
– Operator access courtesy lights
– Side profile lights
– Stop/tail lights
– Service lights
-
- 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
– 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)
- Auto temp control
- Hoist lever
- Horn, electric
- Light – dome
- Light – courtesy
- Load counter, automatic
- Touchscreen Advisor display
- Vital Information Management System (VIMS TM)
- Foot rest
- Mirrors – heated
- Power port, 24V and 12V (2)
- Rollover protective structure (ROPS) cab, insulated/sound suppressed
- Cat Comfort Series III
– Full air suspension
– Retractable 3-point seat belt with shoulder harness - Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor
- Throttle lock
- Window, right side, hinged access/egress
- Electric left side window control
- Windshield wiper (intermittent) and washer
- Tinted, laminated glass
-
- Technology Products
-
- Product LinkTM Ready (Level 1)
- Adaptive economy mode
-
- Guards
-
- Engine crankcase
- Driveline
- Fan and A/C
-
- Fluids
-
- Extended life coolant to –35° C (–30° F)
-
- Other Standard Equipment
-
- Clustered grease fittings
- Body mounting group
- Body safety pin (secures body in up position)
- Body down indicator
- CD-ROM parts book
- Center-mounted rims
- Fuel tank (1136 L/300 gal)
- Ground level battery disconnect
- Ground level engine shutdown
- Ground level grease fittings
- Reservoirs (separate)
– Brake/hoist
– Steering
– Transmission/torque converter - Rims 19.5 × 49
- Rock ejectors
- Supplemental steering (automatic)
- Tie down eyes
- Tow hooks (front)/Tow pin (rear)
- Vandalism protection locks
- Wiggins fast fuel
- Attachment zone
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat® dealer for details.
-
- Optional Equipment
-
- Body heat
- Body liners
- Body sideboards
- Cab precleaner
- Cat Engine Brake
- Cold weather packages
- Fluid fill service center
- High intensity discharge (HID)
- Mirrors, convex
- Spare rim
- Visibility package (meets ISO 5006:2017 requirements)
- Wheel chocks
- Work Area Vision System (WAVS)
-
- Operator Environment
-
- Fluid level monitoring
- Truck Production Management System (TPMS)
-
- Technology Products
-
- Tons Kilometer Per Hour/Tons Mile Per Hour (TKPH/TMPH)
- Object Detection (4 cameras, 4 radars)
-
- Other Optional Equipment
-
- Traction Control System (TCS)
Specifications
Operating Specifications
- Target Payload (100%)
- 101.1 ton (US)
- Top Speed - Loaded
- 40.9 mile/h
- Maximum Working Payload (110%)
- 111.2 ton (US)
- Maximum Allowable Payload (120%)*
- 121.3 ton (US)
- Body Capacity - SAE 2:1
- 83.1 yd³
- Note (1)
- Capacity with flat floor X Body with liner.
- Note (2)
- * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.
Engine
- Engine Model
- Cat® C32B
- Gross Power - SAE J1995
- 1,025 hp
- Net Power - SAE J1349
- 916 hp
- Bore
- 5.7 in
- Stroke
- 6.4 in
- Displacement
- 1,959 in³
- Cylinders
- 12
- Engine Speed
- 1,800 r/min
- Engine Power - ISO 14396
- 1,008 hp
- Peak Torque - Speed
- 1,200 r/min
- Net Torque Rise
- Tier 4: 39%. Tier 2: 37%
- Note (1)
- Power rating applies at 1,800 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)
- Available as U.S. EPA Tier 4 Final/EU Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards.
- Note (4)
- Meets China Nonroad Stage III emission standards equivalent to Tier 3 or Tier 2.
Capacity - Coal Bodies - 100% Fill Factor
- SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3)
- 116.8 yd³
- SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3)
- 139 yd³
- SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3)
- 144 yd³
- SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3)
- 164.6 yd³
Capacity - X Body - 100% Fill Factor
- Struck
- 56.3 yd³
- Heaped (SAE 2:1)*
- 83.8 yd³
- Note (1)
- Contact your local Cat dealer for body recommendation.
- Note (2)
- *ISO 6,483:1,980
Capacity - Dual Slope - 100% Fill Factor
- Struck
- 54.8 yd³
- Heaped (SAE 2:1)*
- 78.6 yd³
- Note (1)
- Contact your local Cat dealer for body recommendation.
- Note (2)
- *ISO 6,483:1,980
Weight Distributions - Approximate
- Front Axle - Empty
- 42 %
- Front Axle - Loaded
- 33 %
- Rear Axle - Empty
- 58 %
- Rear Axle - Loaded
- 67 %
Transmission
- Forward - 1
- 6.6 mile/h
- Forward - 2
- 9.1 mile/h
- Forward - 3
- 11.9 mile/h
- Forward - 4
- 16.6 mile/h
- Forward - 5
- 22.5 mile/h
- Forward - 6
- 30.2 mile/h
- Forward - 7
- 40.9 mile/h
- Reverse
- 7.5 mile/h
- Note
- Maximum travel speeds with standard 27.00R49 (E4) tires.
Final Drives
- Differential Ratio
- 2.736:1
- Planetary Ratio
- 7.0:1
- Total Reduction Ratio
- 19.1,576:1
Brakes
- Brake Standards
- ISO 3,450-2,011
- Brake Surface Area - Front
- 6,331 in²
- Brake Surface Area - Rear
- 15,828 in²
Service Refill Capacities
- Fuel Tank (1)
- 300 gal (US)
- Fuel Tank (2)
- 350 gal (US)
- Cooling System
- 61 gal (US)
- Crankcase
- 28.7 gal (US)
- Differentials
- 59.9 gal (US)
- Final Drive - Each
- 20 gal (US)
- Steering System - Including Tank
- 14.1 gal (US)
- Brake Hoist System
- 117 gal (US)
- Torque Converter - Transmission System
- 36.5 gal (US)
Body Hoists
- Pump Flow - High Idle
- 120.9 gal/min
- Relief Valve Setting - Raise
- 2,750 psi
- Relief Valve Setting - Lower
- 500 psi
- Body Raise Time - High Idle
- 15 s
- Body Lower Time - Float
- 13 s
- Body Lower Time - High Idle
- 13 s
Suspension
- Rear axle - Oscillation
- 5.4 °
- Empty Loaded Cylinder Stroke Rear
- 2.5 in
- Empty Loaded Cylinder Stroke Front
- 2.9 in
Tires
- Standard Tire
- 27.00R49 (E4)
- Note (1)
- Productive capabilities of the 777 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 evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Steering
- Turning Diameter - Front
- 83 ft
- Steering Standards
- ISO 5,010:2,007
- Steer Angle
- 30.5 °
- Turning Circle - Clearance Diameter
- 93 ft
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.
Weights - Approximate
- Target Gross Machine Weight
- 363,000 lb
Sound
- Sound Standards (1)
- The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1,166 FEB2,008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t
- Sound Standards (2)
- The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2,008, mid‑gear moving operation is 83 dB(A).
- Sound Standards (3)
- Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Standard/Optional Features
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat® dealer for details.
-
- Power Train
-
- Autostall
- Engine idle shutdown
- Air-To-Air Aftercooler (ATAAC)
- Air cleaner with precleaner (2)
- Automatic cold mode idle control
- Electric priming pump
- Electric cold weather start (two starters and four batteries)
- Ether starting aid
- Exhaust, muffler
- Fuel filter/water separator
- Turbocharger (2)
- Braking system:
– Extended life brakes
– Brake wear indicator
– Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes)
– Brake release motor (towing)
– Manual retarder (utilizes oil-cooled, multiple disc brakes)
– Oil-cooled, multiple disc (front/rear)
– Parking
– Secondary
– Service - Transmission
– Auto neutral idle
– Advanced Productivity Electronic Control Strategy (APECS) Software
– Electronic Clutch Pressure Control (ECPC) - Part Throttle Shifting
– 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control
– Body up-shift inhibitor
– 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, rear
-
- Electrical
-
- Alarm, backup
- Alternator, 115 ampere
- Auxiliary jump start receptacle
- Batteries, maintenance-free, 12V (4), 200 amp-hour
- Electrical system, 25 AMP, 24V to 12V converter
- Lighting system (LED)
– Backup light
– Directional signals/hazard warning, (front and rear)
– Headlights with dimmer
– Payload, indicator lights
– Operator access courtesy lights
– Side profile lights
– Stop/tail lights
– Service lights
-
- 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
– 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)
- Auto temp control
- Hoist lever
- Horn, electric
- Light – dome
- Light – courtesy
- Load counter, automatic
- Touchscreen Advisor display
- Vital Information Management System (VIMS TM)
- Foot rest
- Mirrors – heated
- Power port, 24V and 12V (2)
- Rollover protective structure (ROPS) cab, insulated/sound suppressed
- Cat Comfort Series III
– Full air suspension
– Retractable 3-point seat belt with shoulder harness - Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor
- Throttle lock
- Window, right side, hinged access/egress
- Electric left side window control
- Windshield wiper (intermittent) and washer
- Tinted, laminated glass
-
- Technology Products
-
- Product LinkTM Ready (Level 1)
- Adaptive economy mode
-
- Guards
-
- Engine crankcase
- Driveline
- Fan and A/C
-
- Fluids
-
- Extended life coolant to –35° C (–30° F)
-
- Other Standard Equipment
-
- Clustered grease fittings
- Body mounting group
- Body safety pin (secures body in up position)
- Body down indicator
- CD-ROM parts book
- Center-mounted rims
- Fuel tank (1136 L/300 gal)
- Ground level battery disconnect
- Ground level engine shutdown
- Ground level grease fittings
- Reservoirs (separate)
– Brake/hoist
– Steering
– Transmission/torque converter - Rims 19.5 × 49
- Rock ejectors
- Supplemental steering (automatic)
- Tie down eyes
- Tow hooks (front)/Tow pin (rear)
- Vandalism protection locks
- Wiggins fast fuel
- Attachment zone
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat® dealer for details.
-
- Optional Equipment
-
- Body heat
- Body liners
- Body sideboards
- Cab precleaner
- Cat Engine Brake
- Cold weather packages
- Fluid fill service center
- High intensity discharge (HID)
- Mirrors, convex
- Spare rim
- Visibility package (meets ISO 5006:2017 requirements)
- Wheel chocks
- Work Area Vision System (WAVS)
-
- Operator Environment
-
- Fluid level monitoring
- Truck Production Management System (TPMS)
-
- Technology Products
-
- Tons Kilometer Per Hour/Tons Mile Per Hour (TKPH/TMPH)
- Object Detection (4 cameras, 4 radars)
-
- Other Optional Equipment
-
- Traction Control System (TCS)