At a glance data:
Nominal Payload Class (100%):
71.6ton (US)
Engine Model:
Cat® C27
Top Speed - Loaded:
42mile/h
Rated Engine Speed:
1800r/min
Overview
The Cat® 773 Off-Highway Truck is engineered to help operations maximize productivity, reduce operating costs, and achieve reliable performance. Backed by advanced design, rigorous testing, and proven quality control processes, the 773 has accumulated more than 30,000 hours of customer validation to help deliver dependable performance from day one. Seven fuel-saving features and two customizable fuel economy modes help lower fuel consumption without compromising productivity. Combined with enhanced operator comfort, simplified serviceability, and improved environmental performance, the Cat 773 is built to meet the demands of today’s haulage operations. The result is a truck that delivers the efficiency, durability, and performance your business depends on every day.
Category:
Off-Highway Trucks
Category:
Off-Highway Trucks
Brand:
Caterpillar
Brand:
Caterpillar
Operating Specifications
Nominal Payload Class (100%):
71.6ton (US)
Engine
Engine Model:
Cat® C27
Operating Specifications
Top Speed - Loaded:
42mile/h
Engine
Rated Engine Speed:
1800r/min
Gross Power - SAE J1995:2014:
825hp
Net Power - SAE J1349:2011:
768hp
Net Power - ISO 9249:
768hp
Net Torque Rise:
40%
Bore:
5.4in
Stroke:
6in
Peak Torque - Speed:
1200r/min
Net Torque:
2874ft-lb
Net Torque - SAE J1349:
3148lbf·ft
Displacement:
1648in³
Note (1):
The power ratings are tested at the reference conditions for the specified standard.
Note (2):
Net power advertised is the power available at the rated speed, measured at the flywheel when the engine is equipped with alternator, air cleaner, muffler, and fan.
Note (3):
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, air intake system, exhaust system, and alternator.
Note (4):
Net torque rise meets SAE J1349.
Weights - Approximate
Maximum Gross Vehicle Weight:
226503lb
Operating Specifications
Note (2):
* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Body Capacity - SAE 2:1:
46.75yd³
Target Payload (100%):
61.7ton (US)
Note (1):
Capacity with Dual Slope body – no liner.
Maximum Allowable Payload (120%)*:
74ton (US)
Maximum Working Payload (110%):
67.8ton (US)
Transmission
Forward - 1:
6.7mile/h
Forward - 2:
9.4mile/h
Forward - 3:
12.7mile/h
Forward - 4:
17mile/h
Forward - 5:
23mile/h
Forward - 6:
31.1mile/h
Forward - 7:
42mile/h
Reverse:
8.8mile/h
Note:
Maximum travel speeds with standard 24.00R35 (E4) tires.
Final Drives
Differential Ratio:
3.64:1
Planetary Ratio:
4.80:1
Total Reduction Ratio:
17.49:1
Brakes
Brake Surface - Front:
257in²
Brake Surface - Rear:
9497in²
Brake Standards:
ISO 3450:2011
Body Hoists
Pump Flow - High Idle:
118gpm
Relief Valve Setting - Raise:
2502psi
Relief Valve Setting - Lower:
500psi
Body Raise Time - High Idle:
9.5s
Body Lower Time - Float:
13s
Body Power Down - High Idle:
13s
Capacity - Dual Slope - 100% Fill Factor
Struck:
35.13yd³
Note (1):
Contact your local Cat dealer for body recommendation.
Heaped (SAE 2:1)*:
46.76yd³
Note (2):
* ISO 6483:1980.
Capacity - Flat Floor - 100% Fill Factor
Struck:
34.33yd³
Heaped (SAE 2:1)*:
46.41yd³
Note (2):
* ISO 6483:1980.
Note (1):
Contact your local Cat dealer for body recommendation.
Weight Distributions - Approximate
Front Axle - Empty:
53%
Front Axle - Loaded:
35%
Rear Axle - Empty:
47%
Rear Axle - Loaded:
65%
Suspension
Rear axle - Oscillation:
8.1°
Empty Loaded Cylinder Stroke Front:
9.2in
Empty Loaded Cylinder Stroke Rear:
5.8in
Service Refill Capacities
Fuel Tank:
210gal (US)
Cooling System:
45gal (US)
Differential - Final Drives:
38gal (US)
Steering Tank:
9.5gal (US)
Steering System - Including Tank:
14gal (US)
Brake/Hoist Hydraulic Tank:
46.5gal (US)
Crankcase:
24gal (US)
Brake Hoist System:
85gal (US)
Torque Converter - Transmission System - LRC:
16gal (US)
Tires
Standard Tire:
24.00R35 (E4)
Note (1):
Productive capabilities of the 773G 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.
ROPS
FOPS Standards:
Falling Object 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
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 J88:2008, mid‑gear moving operation is 86 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.
Sound Standards (1):
The operator Equivalent Sound Pressure Level (Leq) is 76 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 the cab doors and the cab windows closed.
Steering
Turning Diameter - Front:
77.1ft
Steering Standards:
ISO 5010:2007
Steer Angle:
31°
Turning Circle - Clearance Diameter:
85.6ft
Standard Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
power train
- 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 non-regulated regions only:
– Direct drive fan
– MEUI-A fuel 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:- Electronic Clutch Pressure Control (ECPC)
- Advanced Productivity Electronic Control Strategy (APECS)
– Automatic neutral idle
– Autostall
– Second gear start
suspension systems
- Suspension, front and rear (EU compliant)
electrical
- 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)
technology products
- Economy Modes, standard and adaptive
- Product Link, cellular or satellite
- Traction Control System (TCS)
- Truck Production Management System
- Vital Information Management System (VIMS)
operator environment
- 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
guards
- Driveline
- Engine crankcase
- Fan
fluids
- Antifreeze
- Extended life coolant to –34° C (–30° F)
- Grouped ground-level filters
other standard equipment
- 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
Optional Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
optional equipment
- 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)
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