Designed and manufactured by Caterpillar, the794 AC electric drive truck is single sourced from one manufacturer and supported by the best dealer network. The 794 AC is designed to: • Deliver a true 291 tonnes (320 tons) capacity • Deliver reliability and uptime • Deliver easy serviceability • Deliver low owning and operating cost • Deliver operator confidence with four corner wet disc blended service brakes and traction control. The 794 AC is built to deliver to your bottom line.
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Operating Specifications
- Nominal Payload Capacity
- 320 ton (US)
- Top Speed - Loaded
- 37 mile/h
- Steer Angle
- 39 °
- Minimum Turning Radius
- 53 ft
- Gross Machine Operating Weight (GMW)
- 1,150,000 lb
Engine
- Engine Model
- Cat® C175-16
- Gross Power - SAE J1995
- 3,500 HP
- Bore
- 6.9 in
- Stroke
- 8.7 in
- Displacement
- 5,187 in³
- Standard Gross Power - SAE J1995
- 3,500 HP
- Optional Gross Power - SAE J1995
- 2,750 HP
Weights - Approximate
- Chassis Weight
- 417,187 lb
- Body Weight
- 62,140 lb
- Rated Gross Machine Weight
- 1,150,000 lb
Final Drives
- Total Reduction Ratio
- 35:01:00
Service Refill Capacities
- Hydraulic System - Including Tank
- 385 gal (US)
- Final Drive - Each
- 67 gal (US)
- Fuel Tank
- 1,300 gal (US)
- Crankcase
- 82 gal (US)
- Cooling System
- 211 gal (US)
- Hydraulic Tank
- 296 gal (US)
Capacity - MT Family HE - 100% fill factor
- 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
- Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
- 0.63 in
- Struck
- 108-133 m3 (142-175 yd3)
- Heaped (SAE 2:1)
- 180-222 m3 (236-290 yd3)
Dimensions
- Body Target Length
- 33.5 ft
- Body Target Width
- 28.08 ft
- Static Loaded Ground Clearance at Front
- 2.66 ft
- Truck Width over Deflectors
- 29.83 ft
- Wheel Base
- 21.83 ft
- Width - Over Rear Tires
- 28.67 ft
- Minimum Turning Radius
- 53 ft
- Superstructure Width
- 28.33 ft
- Loading Height - Standard Body
- 22.02 ft
- Overall Height - Body Raised
- 47.92 ft
ROPS
- FOPS Standards
- FOPS (Falling Object Protective Structure) meets ISO 3,449:1,992.
- ROPS Standards
- ROPS (Rollover Protective Structure) meets ISO 3,471:1,994.
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 for cab.
- Sound Standards (2)
- Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Braking System
- Standards J-ASO 3450 JAN88
- ISO 3,450:2,011
- Rear - Wet Disc Brake Surface Area
- 30,750 in²
- Electric Retarding
- Radial Grid Design
- Front Wet Disc Brake Surface Area
- 20,378 in²
- Dynamic Retarding Power - Continuous
- 5,480 HP
AC Drive System
- Cooling System
- Variable speed, hydraulically driven cooling system
- Controls
- IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
- Generator/Alternator
- Brushless, engine mounted, dual bearing
- Wheel Motor
- Cat AC induction, rear axle mounted
Weight Distributions - Approximate
- Rear Axle - Empty
- 51 %
- Front Axle - Loaded
- 33 %
- Rear Axle - Loaded
- 67 %
- Front Axle - Empty
- 49 %
Steering
- Steering Standards
- ISO 5,010:2,007
Tires
- Standard Tires
- 53/80 R63
Standard Equipment:
-
- Electrical
-
- Alarm, backup
- Brushless alternator, 270 ampere charging
- Batteries, 12V (8) 210 amp hour
- Converter, 12V electrical
- Electrical system, 14V, 10, 15, 20 amp fuses and breakers
- Lighting, signals/service: - Backup hazard lighting - Directional signals (front and rear LED) - Front stair access/service deck - Stop/tail lights (LED) - Weigh system with lights - Inverter energy LED warning lights
-
- Operator Environment
-
- Air conditioner with climate control
- 12V DC power supply (2)
- Cup holder (2)
- Diagnostic connection port
- Dome courtesy light
- Entertainment radio ready: - 20 amp switched/10A memory converter, speaker, and wiring harnesses
- Heater/defroster
- Storage space behind seat
- ROPS cab, insulated/sound suppressed
- Seat, operator, air suspension
- Seatbelt, operator, three point
- Seatbelt, trainer, two point
- Tinted glass
- Gauge/indicators: - Hydraulic oil temperature - Engine coolant temperature - Fuel level - Electric control fault indicator - Electric hour meter - Speedometer - Tachometer - VIMS™ message center advisor
- Window, electric powered, operator/passenger
- Wiper, windshield, intermittent control and washer
- Steering wheel, tilt, telescopic
-
- Power Train
-
- C175-16 EPA equivalent Tier 2 diesel engine: - Turbocharging (4)/after cooled - Air to air after cooler (ATAAC) - Air cleaner (4) - 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 retarding control - Electric dynamic retarding with blended low speed service brakes - Engine overspeed protection - Extended life brake disc material
- Body-up reverse neutralizer
- Cat AC drivetrain: - IGBT controlled AC induction motors - Brushless AC traction alternator - Radial grid with AC blower motor
- Programmable top speed
- Rear axle continuous lube/filtration
- Reverse shift inhibitor
- Directional shift management
- Neutral coast shift inhibitor
- Neutral start inhibitor
-
- Fluids
-
- Extended life coolant to -35° C (-30° F)
-
- Other Standard Equipment
-
- Auxiliary “buddy” dumping quick connect
- Auxiliary steering quick connect
- Rotating component guards
- Fast fill fuel system
- Fuel filter with water separator
- Ground level battery lockout
- Machine lockout
- Engine start lockout
- ECM cabinet lockout
- Ground level engine shutdown
- Rock ejectors (chain)
- Tow hooks
- Mud flaps
- Coolant level gauge (on radiator)
- Automatic Lincoln lube
- Battery charge receptacle: - Provides external power routing to batteries
- S·O·S sample points (hydraulic, cooling, engine)
Optional Equipment:
-
- Led Lighting Package
-
- Fog lights
- Service/work lights in LED
-
- High Efficiency Dump Body
-
- 1721 kg/m3 (2,900 lb/yd3) density ultra light weight 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
Specifications
Operating Specifications
- Nominal Payload Capacity
- 320 ton (US)
- Top Speed - Loaded
- 37 mile/h
- Steer Angle
- 39 °
- Minimum Turning Radius
- 53 ft
- Gross Machine Operating Weight (GMW)
- 1,150,000 lb
Engine
- Engine Model
- Cat® C175-16
- Gross Power - SAE J1995
- 3,500 HP
- Bore
- 6.9 in
- Stroke
- 8.7 in
- Displacement
- 5,187 in³
- Standard Gross Power - SAE J1995
- 3,500 HP
- Optional Gross Power - SAE J1995
- 2,750 HP
Weights - Approximate
- Chassis Weight
- 417,187 lb
- Body Weight
- 62,140 lb
- Rated Gross Machine Weight
- 1,150,000 lb
Final Drives
- Total Reduction Ratio
- 35:01:00
Service Refill Capacities
- Hydraulic System - Including Tank
- 385 gal (US)
- Final Drive - Each
- 67 gal (US)
- Fuel Tank
- 1,300 gal (US)
- Crankcase
- 82 gal (US)
- Cooling System
- 211 gal (US)
- Hydraulic Tank
- 296 gal (US)
Capacity - MT Family HE - 100% fill factor
- 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
- Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
- 0.63 in
- Struck
- 108-133 m3 (142-175 yd3)
- Heaped (SAE 2:1)
- 180-222 m3 (236-290 yd3)
Dimensions
- Body Target Length
- 33.5 ft
- Body Target Width
- 28.08 ft
- Static Loaded Ground Clearance at Front
- 2.66 ft
- Truck Width over Deflectors
- 29.83 ft
- Wheel Base
- 21.83 ft
- Width - Over Rear Tires
- 28.67 ft
- Minimum Turning Radius
- 53 ft
- Superstructure Width
- 28.33 ft
- Loading Height - Standard Body
- 22.02 ft
- Overall Height - Body Raised
- 47.92 ft
ROPS
- FOPS Standards
- FOPS (Falling Object Protective Structure) meets ISO 3,449:1,992.
- ROPS Standards
- ROPS (Rollover Protective Structure) meets ISO 3,471:1,994.
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 for cab.
- Sound Standards (2)
- Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Braking System
- Standards J-ASO 3450 JAN88
- ISO 3,450:2,011
- Rear - Wet Disc Brake Surface Area
- 30,750 in²
- Electric Retarding
- Radial Grid Design
- Front Wet Disc Brake Surface Area
- 20,378 in²
- Dynamic Retarding Power - Continuous
- 5,480 HP
AC Drive System
- Cooling System
- Variable speed, hydraulically driven cooling system
- Controls
- IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
- Generator/Alternator
- Brushless, engine mounted, dual bearing
- Wheel Motor
- Cat AC induction, rear axle mounted
Weight Distributions - Approximate
- Rear Axle - Empty
- 51 %
- Front Axle - Loaded
- 33 %
- Rear Axle - Loaded
- 67 %
- Front Axle - Empty
- 49 %
Steering
- Steering Standards
- ISO 5,010:2,007
Tires
- Standard Tires
- 53/80 R63
Standard/Optional Features
Standard Equipment:
-
- Electrical
-
- Alarm, backup
- Brushless alternator, 270 ampere charging
- Batteries, 12V (8) 210 amp hour
- Converter, 12V electrical
- Electrical system, 14V, 10, 15, 20 amp fuses and breakers
- Lighting, signals/service: - Backup hazard lighting - Directional signals (front and rear LED) - Front stair access/service deck - Stop/tail lights (LED) - Weigh system with lights - Inverter energy LED warning lights
-
- Operator Environment
-
- Air conditioner with climate control
- 12V DC power supply (2)
- Cup holder (2)
- Diagnostic connection port
- Dome courtesy light
- Entertainment radio ready: - 20 amp switched/10A memory converter, speaker, and wiring harnesses
- Heater/defroster
- Storage space behind seat
- ROPS cab, insulated/sound suppressed
- Seat, operator, air suspension
- Seatbelt, operator, three point
- Seatbelt, trainer, two point
- Tinted glass
- Gauge/indicators: - Hydraulic oil temperature - Engine coolant temperature - Fuel level - Electric control fault indicator - Electric hour meter - Speedometer - Tachometer - VIMS™ message center advisor
- Window, electric powered, operator/passenger
- Wiper, windshield, intermittent control and washer
- Steering wheel, tilt, telescopic
-
- Power Train
-
- C175-16 EPA equivalent Tier 2 diesel engine: - Turbocharging (4)/after cooled - Air to air after cooler (ATAAC) - Air cleaner (4) - 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 retarding control - Electric dynamic retarding with blended low speed service brakes - Engine overspeed protection - Extended life brake disc material
- Body-up reverse neutralizer
- Cat AC drivetrain: - IGBT controlled AC induction motors - Brushless AC traction alternator - Radial grid with AC blower motor
- Programmable top speed
- Rear axle continuous lube/filtration
- Reverse shift inhibitor
- Directional shift management
- Neutral coast shift inhibitor
- Neutral start inhibitor
-
- Fluids
-
- Extended life coolant to -35° C (-30° F)
-
- Other Standard Equipment
-
- Auxiliary “buddy” dumping quick connect
- Auxiliary steering quick connect
- Rotating component guards
- Fast fill fuel system
- Fuel filter with water separator
- Ground level battery lockout
- Machine lockout
- Engine start lockout
- ECM cabinet lockout
- Ground level engine shutdown
- Rock ejectors (chain)
- Tow hooks
- Mud flaps
- Coolant level gauge (on radiator)
- Automatic Lincoln lube
- Battery charge receptacle: - Provides external power routing to batteries
- S·O·S sample points (hydraulic, cooling, engine)
Optional Equipment:
-
- Led Lighting Package
-
- Fog lights
- Service/work lights in LED
-
- High Efficiency Dump Body
-
- 1721 kg/m3 (2,900 lb/yd3) density ultra light weight 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