The Cat® 775 Off-Highway Truck is purpose-built to help operations move more material at a lower cost per ton. Designed and validated through rigorous engineering, testing, and quality control processes, the 775 has accumulated more than 30,000 hours of proven customer operation to help deliver dependable performance from day one. Seven fuel-saving features and two customizable fuel economy modes help reduce fuel consumption while maintaining high levels of productivity. A redesigned operator environment, enhanced serviceability, and improved environmental performance help maximize uptime while supporting operator comfort and efficiency. Built for today’s demanding haulage applications, the Cat 775 delivers the performance, efficiency, and reliability your operation depends on every day.
Nominal Payload Class (100%) 70.5 ton (US)
Engine Model Cat® C27
Top Speed - Loaded 41.6 mile/h
Rated Engine Speed 1800 r/min
Body Capacity - SAE 2:1 55.23yd³
Maximum Allowable Payload (120%)* 84.6ton (US)
Maximum Working Payload (110%) 77.5ton (US)
Nominal Payload Class (100%) 70.5ton (US)
Not to Exceed Payload (120%)* 76762ton (US)
Note (1) Capacity with Dual Slope body – no liner.
Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Target Payload (100%) 70.5ton (US)
Top Speed - Loaded 41.6mile/h
Bore 5.4in
Displacement 1648in³
Emissions Meets EU Stage V emission standards.
Engine Model Cat® C27
Engine Power - ISO 14396:2002 812hp
Gross Power - SAE J1995:2014 825hp
Net Power - SAE J1349:2011 768hp
Net Power - SAE J1349:2011/ISO 9249:2007 768hp
Net Torque 3148ft-lb
Note (1) Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Note (2) Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Note (3) Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (4) • No engine derating required up to 3048 m (10,000 ft). • Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Peak Torque - Speed 1200r/min
Rated Engine Speed 1800r/min
Stroke 6in
Heaped (SAE 2:1)* 55.5yd³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980
Struck 42.7yd³
Heaped (SAE 2:1)* 55.2yd³
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980
Struck 42.2yd³
Front Axle - Empty 52%
Front Axle - Loaded 34%
Rear Axle - Empty 48%
Rear Axle - Loaded 66%
Forward - 1 6.6mile/h
Forward - 2 9.3mile/h
Forward - 3 12.6mile/h
Forward - 4 16.9mile/h
Forward - 5 22.8mile/h
Forward - 6 30.8mile/h
Forward - 7 41.6mile/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires.
Reverse 8.7mile/h
Differential Ratio 3.64:1
Planetary Ratio 4.80:1
Total Reduction Ratio 17.49:1
Brake Standards ISO 3450:2011
Brake Surface - Front 25.7in²
Brake Surface - Rear 9497in²
Brake Hoist System 85gal (US)
Brake/Hoist Hydraulic Tank 46.5gal (US)
Cooling System 43.3gal (US)
Crankcase 24gal (US)
Differential - Final Drives 37gal (US)
Fuel Tank 210gal (US)
Steering System - Including Tank 14.3gal (US)
Steering Tank 9.5gal (US)
Torque Converter - Transmission System - HRC 18.5gal (US)
Body Lower Time - Float 12.5s
Body Power Down - High Idle 14s
Body Raise Time - High Idle 9.5s
Pump Flow - High Idle 118gpm
Relief Valve Setting - Lower 500psi
Relief Valve Setting - Raise 2502psi
Empty Loaded Cylinder Stroke Front 9.2in
Empty Loaded Cylinder Stroke Rear 5.8in
Rear Axle - Oscillation 8.1°
Maximum Gross Vehicle Weight 246503lb
Note (1) Productive capabilities of the 775G 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.
Standard Tire 24.00R35 (E4)
FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1166 FEB2008 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) 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 114 dB(A), measured according to the test procedures and conditions specified in ISO 6395:2008 for the standard machine configuration. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Steer Angle 31°
Steering Standards ISO 5010:2007
Turning Circle - Clearance Diameter 82ft
Turning Diameter - Front 72.2ft
Recyclability 98%
Standard and optional equipment may vary. Consult your Cat dealer for details.
Cat C27 Tier 4/Stage V compliant diesel engine:
– Air cleaner with precleaner (2)
– Air-To-Air Aftercooler (ATAAC)
– Electric start
– Engine idle shutdown
– Ether starting aid
– Exhaust muffler
– NGMR radiator
For Tier 4 regions only (U.S./Canada):
– Aftertreatment system
Braking system:
– Extended Life Brakes
– Automatic Retarder Control (ARC)
– Manual retarder (utilizes rear oil-cooled, multiple disc brakes)
– Brake release motor (towing)
– Dry disc brakes (front)
– Front brake disconnect switch (front)
– Oil-cooled multiple disc brakes (rear)
– Brake wear indicator (rear)
– Parking brake
– Secondary brake
– Service brake
Transmission:
– 7-speed automatic powershift with:
Suspension, front and rear
Alarm backup
Alternator, 120 Amp
Autolube power supply ready
Batteries, maintenance-free, 12V (2), 1,400 CCA combined
Electrical system, 25 Amp, 24V to 12V converter
Lighting system:
– Backup light (halogen)
– Directional signals/hazard warning (front and rear LED)
– Engine compartment light
– Headlights, (halogen) with dimmer
– Operator access courtesy lights
– Side profile lights
– Stop/tail lights (LED)
Service center containing:
– Battery jump start
– Breakers with spare fuses
– Lockout switch
– Ports, ET, and VIMS
– Service lockout switch (power without engine start)
Economy Modes, standard and adaptive
Product Link, cellular or satellite
Traction Control System (TCS)
Truck Production Management System
Vital Information Management System (VIMS)
Advisor display:
– Air cleaner service indicator
– Fluid level monitoring
– Fuel level monitoring
– Display languages (market based)
Air conditioning/heat
Automatic temperature control
Ashtray and cigarette lighter
Coat hook
Cup holders (4)
Diagnostic connection port, 24V
Entertainment radio ready:
– 5 amp converter
– Speakers
– Antenna
– Wiring harness
Foot rest
Gauges/indicators:
– Brake oil temperature gauge
– Coolant temperature gauge
– Engine overspeed indicator
– Fuel level
– Hour meter
– Speedometer with odometer
– Tachometer
– Transmission gear indicator
Hoist shift lever with integrated fingerprint control
Seat belt reminder system: Seat belt alert and Seat belt inhibit
Light – courtesy
Light – dome
Mirrors, non-heated
Power port, 24V and 12V (2)
Rollover Protection (ROPS)/Falling Object Protection (FOPS)
Seat, Cat Comfort Series III:
– Full air suspension
– Retractable 3-point seat belt with shoulder harness
Seat, training with lap belt
Steering wheel, padded, tilt and telescopic
Storage compartment
Sun visor
Throttle lock
Window, hinged, right side (emergency exit)
Window, powered, left side
Windshield wiper intermittent and washer
Driveline
Engine crankcase
Fan
Antifreeze
Extended life coolant to –34° C (–30° F)
Grouped ground-level filters
Body down indicator
Body safety pin (secures body in up position)
Center-mounted rims
Fuel tank, 795 L (210 gal)
Ground level battery disconnect
Ground level engine shutdown
Ground level grease fittings
Operator Maintenance Manual (OMM)
Rims 17 × 35
Rock ejectors
Secondary steering (electric)
Tie down eyes
Tow hooks (front)/tow pin (rear)
Vandalism protection locks
Standard and optional equipment may vary. Consult your Cat dealer for details.
Body heat
Body liner
Body sideboards
Cab precleaner
Cat Engine Brake
Clustered grease fittings
Cold weather packages
Fluid fill service center
HID lights
Mirrors, convex
Mirrors, heated
Spare rim
Visibility package (meets ISO 5006 requirements)
Wheel chocks
Work Area Vision System (WAVS)
