The Cat® 794 AC electric drive truck delivers a full 327-ton (297-tonne) payload, increased speed on grade, 34% more retarding power than competitive trucks, superior braking performance and easier maintenance. The result? High availability, more confident operators and improved productivity. The 794 features a proven electric drive powertrain that is Caterpillar designed, integrated and supported. Validated on sites around the world, the 794 has proven its performance in a variety of applications. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.
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Weights - Approximate
- Nominal Rated Payload
- 327 ton (US)
- Rated Gross Machine Weight
- 1,150,000 lb
- Chassis Weight
- 426,237 lb
- Body Weight
- 64,346 lb
- Note (1)
- Consult your tire manufacturer for maximum tire load.
- Note (2)
- Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires
- Note (3)
- Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ250) for maximum gross machine weight limitations.
- Note (4)
- Tier 4 Final / Stage V chassis weight: 426,312 lb (193,372 kg)
Engine
- Gross Power - SAE J1995
- 3,500 hp
- Standard Gross Power - SAE J1995
- 3,500 hp
- Engine Model
- Cat® C175-16
- Optional Gross Power - SAE J1995
- 3,100 hp
- Optional Gross Power - SAE J1995 (Option 2)
- 2,750 hp
- Rated Speed
- 1,800 r/min
- Net Power - SAE J1349
- 3,405 hp
- Emissions Rating
- Fuel Optimized
- Bore
- 6.9 in
- Displacement
- 5,187 in³
- Stroke
- 8.7 in
- 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 J1,349: 3,434 HP (2,561 kW)
Final Drives
- Total Reduction Ratio
- 35:01:00
Tires
- Standard Tires
- 53/80 R63
- Rims
- 36" x 63"
- Note (1)
- Quick Change Rims optional.
- Note (2)
- Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Braking System
- Service Brakes
- Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
- Front Wet Disc Brake Surface Area
- 20,378 in²
- Rear - Wet Disc Brake Surface Area
- 30,750 in²
- Standards
- ISO 3,450:2,011
- Parking Brake
- Four-corner, Multi-disc, Spring applied, Hydraulically Released
- Load Brake
- Rear service brakes
- Dynamic Retarding Power - Continuous
- 5,480 hp
AC Drive System
- Total Reduction Ratio
- 35:01:00
- Top Speed - Loaded
- 37 mile/h
- Generator/Alternator
- Brushless, engine mounted, dual bearing
- Controls
- IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
- Wheel Motor
- High-torque 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 %
Body Hoists
- Pump Flow - High Idle (HAA at 1,800 rpm)
- 221 gal/min
- Pump Flow - High Idle (LAA at 1,960 rpm)
- 240 gal/min
- Relief Valve Setting - Raise
- 3,029 psi
- Body Raise Time - High Idle
- 24 s
- High Idle Body Lower Time - Float
- 20 s
- Total Cycle Time
- 44 s
- 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.
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
- 0.63 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
- 0.35 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
- 0.31 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
- 0.2 in
- Note
- Contact your local Cat dealer for body recommendations.
Service Refill Capacities
- Fuel Tank
- 1,300 gal (US)
- Cooling System
- 211 gal (US)
- Crankcase
- 82 gal (US)
- Final Drive - Each
- 67 gal (US)
- Hydraulic Tank
- 296 gal (US)
- Hydraulic System - Including Tank
- 385 gal (US)
- Diesel Exhaust Fluid Tank
- 100 gal (US)
- Note (1)
- DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
Dimensions (Approximate)
- Height - Top of ROPS
- 22.25 ft
- Overall Length
- 50.75 ft
- Wheel Base
- 21.83 ft
- Rear Axle - Tail
- 15.5 ft
- Ground Clearance
- 2.67 ft
- Dump Clearance
- 3 ft
- Loading Height - Empty
- 22.92 ft
- Overall Height - Body Raised
- 48.42 ft
- Centerline Front Tire Width
- 23 ft
- Front Axle Clearance
- 3.17 ft
- Canopy Width (without optional rock deflectors)
- 29.75 ft
- Outside Body Width
- 29.75 ft
- Inside Body Width
- 28.08 ft
- Front Canopy Height
- 26.33 ft
- Rear Axle - Clearance
- 3.08 ft
- Centerline of Rear Dual Tire Width
- 18.75 ft
- Overall Tire Width
- 28.67 ft
- Overall Canopy Width
- 31.5 ft
Cab
- ROPS Standards (1)
- Rollover Protective Structure (ROPS) meets ISO 3,471:2,008 criteria for operator and ISO 13,459:2,012 for trainer.
- FOPS Standards
- Falling Object Protective Structure (FOPS) meets ISO 3,449:2,005 Level II for operator and ISO 13,459:2,012 Level II for trainer.
Sound
- Sound Standards (1)
- The operator sound pressure level measured according to work cycle procedures specified in ISO 6,394 and 6,396 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 5,010:2,007
- Steer Angle
- 39 °
- Note
- Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
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
- C175-16 Diesel Engine
-
- 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
Specifications
Weights - Approximate
- Nominal Rated Payload
- 327 ton (US)
- Rated Gross Machine Weight
- 1,150,000 lb
- Chassis Weight
- 426,237 lb
- Body Weight
- 64,346 lb
- Note (1)
- Consult your tire manufacturer for maximum tire load.
- Note (2)
- Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires
- Note (3)
- Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ250) for maximum gross machine weight limitations.
- Note (4)
- Tier 4 Final / Stage V chassis weight: 426,312 lb (193,372 kg)
Engine
- Gross Power - SAE J1995
- 3,500 hp
- Standard Gross Power - SAE J1995
- 3,500 hp
- Engine Model
- Cat® C175-16
- Optional Gross Power - SAE J1995
- 3,100 hp
- Optional Gross Power - SAE J1995 (Option 2)
- 2,750 hp
- Rated Speed
- 1,800 r/min
- Net Power - SAE J1349
- 3,405 hp
- Emissions Rating
- Fuel Optimized
- Bore
- 6.9 in
- Displacement
- 5,187 in³
- Stroke
- 8.7 in
- 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 J1,349: 3,434 HP (2,561 kW)
Final Drives
- Total Reduction Ratio
- 35:01:00
Tires
- Standard Tires
- 53/80 R63
- Rims
- 36" x 63"
- Note (1)
- Quick Change Rims optional.
- Note (2)
- Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Braking System
- Service Brakes
- Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
- Front Wet Disc Brake Surface Area
- 20,378 in²
- Rear - Wet Disc Brake Surface Area
- 30,750 in²
- Standards
- ISO 3,450:2,011
- Parking Brake
- Four-corner, Multi-disc, Spring applied, Hydraulically Released
- Load Brake
- Rear service brakes
- Dynamic Retarding Power - Continuous
- 5,480 hp
AC Drive System
- Total Reduction Ratio
- 35:01:00
- Top Speed - Loaded
- 37 mile/h
- Generator/Alternator
- Brushless, engine mounted, dual bearing
- Controls
- IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
- Wheel Motor
- High-torque 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 %
Body Hoists
- Pump Flow - High Idle (HAA at 1,800 rpm)
- 221 gal/min
- Pump Flow - High Idle (LAA at 1,960 rpm)
- 240 gal/min
- Relief Valve Setting - Raise
- 3,029 psi
- Body Raise Time - High Idle
- 24 s
- High Idle Body Lower Time - Float
- 20 s
- Total Cycle Time
- 44 s
- 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.
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
- 0.63 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
- 0.35 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
- 0.31 in
- Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
- 0.2 in
- Note
- Contact your local Cat dealer for body recommendations.
Service Refill Capacities
- Fuel Tank
- 1,300 gal (US)
- Cooling System
- 211 gal (US)
- Crankcase
- 82 gal (US)
- Final Drive - Each
- 67 gal (US)
- Hydraulic Tank
- 296 gal (US)
- Hydraulic System - Including Tank
- 385 gal (US)
- Diesel Exhaust Fluid Tank
- 100 gal (US)
- Note (1)
- DEF Tank only available for EPA Tier 4 / EU Stage V engine option.
Dimensions (Approximate)
- Height - Top of ROPS
- 22.25 ft
- Overall Length
- 50.75 ft
- Wheel Base
- 21.83 ft
- Rear Axle - Tail
- 15.5 ft
- Ground Clearance
- 2.67 ft
- Dump Clearance
- 3 ft
- Loading Height - Empty
- 22.92 ft
- Overall Height - Body Raised
- 48.42 ft
- Centerline Front Tire Width
- 23 ft
- Front Axle Clearance
- 3.17 ft
- Canopy Width (without optional rock deflectors)
- 29.75 ft
- Outside Body Width
- 29.75 ft
- Inside Body Width
- 28.08 ft
- Front Canopy Height
- 26.33 ft
- Rear Axle - Clearance
- 3.08 ft
- Centerline of Rear Dual Tire Width
- 18.75 ft
- Overall Tire Width
- 28.67 ft
- Overall Canopy Width
- 31.5 ft
Cab
- ROPS Standards (1)
- Rollover Protective Structure (ROPS) meets ISO 3,471:2,008 criteria for operator and ISO 13,459:2,012 for trainer.
- FOPS Standards
- Falling Object Protective Structure (FOPS) meets ISO 3,449:2,005 Level II for operator and ISO 13,459:2,012 Level II for trainer.
Sound
- Sound Standards (1)
- The operator sound pressure level measured according to work cycle procedures specified in ISO 6,394 and 6,396 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 5,010:2,007
- Steer Angle
- 39 °
- Note
- Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Standard/Optional Features
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
- C175-16 Diesel Engine
-
- 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