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773G Off-Highway Truck

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Product Specs

Operating Specifications

Nominal Payload Class (100%)
61 ton (US)
Top Speed - Loaded
41.6 mile/h
Body Capacity - SAE 2:1
46.8 yd³
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%)
61 ton (US)
Maximum Working Payload (110%)
67.1 ton (US)
Maximum Allowable Payload (120%)*
73.2 ton (US)

Engine

Engine Model
Cat® C27
Rated Engine Speed
1800 r/min
Gross Power - SAE J1995
775 HP
Net Power - SAE J1349
719 HP
Net Power - 80/1269/EEC
762 HP
Net Power - ISO 9249
762 HP
Bore
5.4 in
Stroke
6 in
Displacement
1648 in³
Engine Power - ISO 14396
764 HP
Net Torque
3148 ft-lb
Peak Torque - Speed
1200 r/min
Note (1)
Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 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 3048 m (10,000 ft) for Tier 4/Stage V.

Capacity - Dual Slope - 100% Fill Factor

Struck
35.13 yd³
Heaped (SAE 2:1)*
46.76 yd³
Note (1)
Contact your local Cat dealer for body recommendation.
Note (2)
* ISO 6483:1980.

Capacity - Flat Floor - 100% Fill Factor

Struck
34.33 yd³
Heaped (SAE 2:1)*
46.41 yd³
Note (1)
Contact your local Cat dealer for body recommendation.
Note (2)
* ISO 6483:1980.

Weight Distributions - Approximate

Front Axle - Empty
53 %
Front Axle - Loaded
35 %
Rear Axle - Empty
47 %
Rear Axle - Loaded
65 %

Transmission

Forward - 1
6.6 mile/h
Forward - 2
9.3 mile/h
Forward - 3
12.6 mile/h
Forward - 4
16.8 mile/h
Forward - 5
22.8 mile/h
Forward - 6
30.7 mile/h
Forward - 7
41.6 mile/h
Reverse
8.7 mile/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
257 in²
Brake Surface - Rear
9497 in²
Brake Standards
ISO 3450:2011

Service Refill Capacities

Fuel Tank
210 gal (US)
Cooling System
45 gal (US)
Differential - Final Drives
38 gal (US)
Steering Tank
9.5 gal (US)
Steering System - Including Tank
14 gal (US)
Brake Hoist System
85 gal (US)
Brake/Hoist Hydraulic Tank
46.5 gal (US)
Crankcase
24 gal (US)
Torque Converter - Transmission System - HRC
18 gal (US)

Body Hoists

Pump Flow - High Idle
118 gal/min
Relief Valve Setting - Raise
2502 psi
Relief Valve Setting - Lower
500 psi
Body Raise Time - High Idle
10 s
Body Lower Time - Float
14 s
Body Power Down - High Idle
14 s

Suspension

Rear axle - Oscillation
8.1 °
Empty Loaded Cylinder Stroke Front
9.2 in
Empty Loaded Cylinder Stroke Rear
5.8 in

Steering

Turning Diameter - Front
77.1 ft
Steering Standards
SAE J1511 FEB94 ISO 5010:1992
Steer Angle
31 °
Turning Circle - Clearance Diameter
85.6 ft

Sound

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 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 J88:2008, mid‑gear moving operation is 86 dB(A).

Tires

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.
Standard Tire
24.00R35 (E4)

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.

Weights - Approximate

Maximum Gross Vehicle Weight
226501 lb

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 Tier 4 regions only (U.S./Canada):
      – Aftertreatment system
      • NOx Reduction System (NRS)
      • Diesel Oxidation Catalyst (DOC)

      – Demand fan
      – MEUI-C 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
  • 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 lever
    • Horn
    • 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

Attachments

  • 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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