Off-Highway Trucks

Weights - Approximate

Nominal Rated Payload
327ton (US)
Rated Gross Machine Weight
1150000lb
Chassis Weight
417187lb
Body Weight
62140lb
Note (1)
Consult your tire manufacturer for maximum tire load.
Note (2)
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (3)
Body weight varies depending on how body is equipped.
Note (4)
Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)

Engine

Engine Model
Cat® C175-16
Gross Power - SAE J1995
3500HP
Standard Gross Power - SAE J1995
3500HP
Optional Gross Power - SAE J1995
3100HP
Optional Gross Power - SAE J1995 (Option 2)
2750HP
Rated Speed
1800r/min
Net Power - SAE J1349
3405HP
Emissions Rating
Fuel Optimized
Bore
6.9in
Displacement
5187in³
Stroke
8.7in
Note (1)
Contact factory for high altitude configuration.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
Note (3)
Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)

Final Drives

Total Reduction Ratio
35:1

Tires

Standard Tires
53/80 R63.
Note (1)
Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.

AC Drive System

Generator/Alternator
Brushless, engine mounted, dual bearing
Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor
Cat AC induction, rear axle mounted
Cooling System
Variable speed, hydraulically driven cooling system

Weight Distributions - Approximate

Front Axle - Empty
49%
Rear Axle - Empty
51%
Front Axle - Loaded
33%
Rear Axle - Loaded
67%

Operating Specifications

Top Speed - Loaded
37mile/h
Minimum Turning Radius
53ft
Note (1)
Payload assumes no debris, no extra options or attachments.
Note (2)
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.

Capacity - HE Body - 100% fill factor

Struck
108-133 m³ (142-175 yd³)
Heaped (SAE 2:1)
180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
0.63in
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
0.35in
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
0.31in
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
0.2in
Note
Contact your local Cat dealer for body recommendations.

Braking System

Front Wet Disc Brake Surface Area
20378in²
Rear - Wet Disc Brake Surface Area
30750in²
Standards
ISO 3450:2011
Electric Retarding
Radial Grid Design
Dynamic Retarding Power - Continuous
5480HP

Body Hoists

Pump Flow - High Idle (HAA at 1,800 rpm)
221gal/min
Pump Flow - High Idle (LAA at 1,960 rpm)
240gal/min
Relief Valve Setting - Raise
3029psi
Body Raise Time - High Idle
24s
High Idle Body Lower Time - Float
20s
Total Cycle Time
44s
Note (1)
Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
Note (2)
Power raise in both stages; power down in both stages possible.
Note (3)
Automatic body-lower modulation reduces impact on frame.

Service Refill Capacities

Fuel Tank
1300gal (US)
Cooling System
211gal (US)
Crankcase
82gal (US)
Final Drive - Each
67gal (US)
Hydraulic Tank
296gal (US)
Hydraulic System - Including Tank
385gal (US)
Diesel Exhaust Fluid Tank
100gal (US)
Note (1)
DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

Dimensions (Approximate)

Height - Top of ROPS
22.25ft
Overall Length
50.75ft
Wheel Base
21.83ft
Rear Axle - Tail
15.5ft
Ground Clearance
2.67ft
Dump Clearance
3ft
Loading Height - Empty
22.92ft
Overall Height - Body Raised
48.42ft
Centerline Front Tire Width
23ft
Front Axle Clearance
3.17ft
Canopy Width (without optional rock deflectors)
29.75ft
Outside Body Width
29.75ft
Inside Body Width
28.08ft
Front Canopy Height
26.33ft
Rear Axle - Clearance
3.08ft
Centerline of Rear Dual Tire Width
18.75ft
Overall Tire Width
28.67ft

ROPS

ROPS Standards
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
FOPS Standards
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.

Sound

Sound Standards (1)
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB(A) for cab offered by Caterpillar when properly installed, maintained, and tested with doors and windows closed.
Sound Standards (2)
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.

Steering

Steering Standards
ISO 5010:2007
Note
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Steer Angle
39°

Standard Equipment:

  • Power Train
    • C175-16 Diesel Engine
      – Turbocharging (4)/aftercooled
      – Air to air after cooler (ATAAC)
      – Air cleaner (4) with precleaner
      – Elevated low idle control
      – Multi-point oil pressure sensing
      – Pre-lubrication/engine
    • Braking system:
      – Brake release towing
      – Oil-cooled, multi-disc (front and rear) (service, retarding, parking, secondary)
      – Automatic Retarder Control
      – Electric dynamic retarding with blended low speed
      – Extended life brake disc material
    • Cat AC drive train:
      – IGBT controlled AC induction motors
      – AC generator
      – AC cooled radial grid
    • Body-up reverse neutralizer
    • Programmable top speed
    • Rear axle continuous lube/filtration
    • Reverse shift inhibitor
    • Directional shift management
    • Neutral coast inhibitor
    • Body-up shift inhibitor
    • Neutral start inhibitor
  • Electrical
    • Alarm, backup
    • Brushless alternator 150 amp charging
    • Batteries – 12V (8) 90 amp hour
    • Converter, 12V electrical
    • Electrical system, 24V, 10, 15, 20 amp fuses and breakers
    • Battery charge receptacle
    • Lighting, signals/service:
      – Halogen lighting package
      – Backup and hazard lighting
      – Directional signals (front and rear LED)
      – Front stair access/service deck
      – Stop/tail lights (LED)
      – Engine compartment
      – Inverter energy LED warning lights
  • Operator Environment
    • Air conditioner
    • 12V DC power supply (1)
    • Cup holder (2)
    • Diagnostic connection port
    • Dome courtesy light
    • Entertainment radio ready:
      – 20 amp switched/10 amp memory converter
      – Speakers, and wiring harnesses
    • Gauges/indicators
    • Gauge panel:
      – Hydraulic oil temperature
      – Engine coolant temperature
      – Fuel level
      – DEF level (Tier 4 / Stage V only)
      – Electric engine control fault indicator
      – Electric hour meter
      – Speedometer
      – Tachometer
      – VIMS message center advisor
    • Heater/defroster
    • Storage space behind seat
    • ROPS cab, insulated/sound suppressed
    • Seat, operator, air suspension
    • Seatbelt, operator, three points
    • Seat, trainer, air suspension
    • Seatbelt, trainer, two point
    • Steering wheel, tilt, telescopic
    • Tinted glass
    • Window, electric powered, operator/passenger
    • Wiper, windshield, intermittent control and washer
    • Fixed access ladder
  • Fluids
    • Extended life coolant to –35° C (–30° F)
  • Other Standard Equipment
    • Traction control system
    • Auxiliary “buddy” dumping quick connect
    • Auxiliary steering quick connect (towing)
    • Rotating component guards
    • Fast fill fuel system (LH and RH side)
    • Fast fill DEF system (RH side) - Tier 4 / Stage V only
    • Fuel filter with water separator
    • Ground level battery lockout
    • Machine lockout
    • Engine start lockout
    • ECM cabinet lockout
    • Ground level engine shut-down
    • Rock ejectors (chain)
    • Tow hooks and pin (front)
    • Tow pin (rear) (empty truck only)
    • Mudflaps
    • Coolant level gauge (on radiator)
    • Automatic lubrication system
    • SOS℠ sample points (hydraulic, cooling, engine)

Optional Equipment:

  • Optional Equipment
    • 2050 kW (2,750 hp) and 2312 kW (3,100 hp) options available
    • HAA arrangements available
    • Throttle lock
    • Timer, engine shutdown
    • Body heat exhaust
    • Gel batteries (8)
    • High Intensity Discharge (HID) lighting package
    • LED lighting package
    • Fog lights
    • LED work lights
    • English or Metric gauges
    • Payload, digital display
    • Powered access ladder
    • Inverter platform
    • Fast fill fuel system (front and right)
    • Rims: Six (6) position and quick change
    • ANSI and ISO service instructions
    • Retarding indicator light
    • Cab pedestal for additional display
    • Radio/CD player
    • Front bumper center tow attachment
    • Brake wear indicator tool
    • Coolant –50° C (–58° F)
    • HE dump body rock box liner
    • HE dump body canopy rock deflectors
    • Heated mirrors (LH and RH)
    • Rear axle oil cooler
    • Standard accumulators and Australia/Canada certified accumulators
    • Hot start, for cold weather
    • Diesel fuel warmer
    • Wheel chocks (ANSI or ISO)
    • Portable fire extinguisher
    • Murphy gauge
    • High efficiency dump body
      – 1543 kg/m³ (2,600 lb/yd³) density body
      – 1721 kg/m³ (2,900 lb/yd³) density body
      – 1839 kg/m³ (3,100 lb/yd³) density body
      – 2076 kg/m³ (3,500 lb/yd³) density body
    • Canopy extension
    • Body rock box
    • Side profile lighting
    • Central service
    • Language monitors – English, Spanish, Italian, Portuguese, Dutch, Norwegian, Swedish, Estonian, Latin, Lithuanian, Slovakian, Slovenian, Greek, Romanian, Russian, Polish, Czech, Hungarian, Icelandic, Finnish, Danish, Thai, Indonesian, Vietnam, Malaysian, Chinese