At a glance data:
Engine Model:
Cat® C175-16
Overview
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.
Engine
Gross Power - SAE J1995:
3500hp
Standard Gross Power - SAE J1995:
3500hp
Engine Model:
Cat® C175-16
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
Stroke:
8.7in
Displacement:
5187in³
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)
Weights - Approximate
Nominal Rated Payload:
327ton (US)
Rated Gross Machine Weight:
1150000lb
Chassis Weight:
426237lb
Body Weight:
64346lb
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 (AEXQ0250) for maximum gross machine weight limitations.
Note (4):
Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Final Drives
Total Reduction Ratio:
35:01:00
AC Drive System
Total Reduction Ratio:
35:01:00
Top Speed - Loaded:
37mile/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
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:
20378in²
Rear - Wet Disc Brake Surface Area:
30750in²
Standards:
ISO 3450:2011
Parking Brake:
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake:
Rear service brakes
Dynamic Retarding Power - Continuous:
5480hp
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):
221gal/min
Capacity - HE Body - 100% fill factor
Struck:
108-133 m³ (142-175 yd³)
Body Hoists
Pump Flow - High Idle (LAA at 1,960 rpm):
240gal/min
Capacity - HE Body - 100% fill factor
Heaped (SAE 2:1):
180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate:
0.63in
Body Hoists
Relief Valve Setting - Raise:
3029psi
Body Raise Time - High Idle:
24s
Capacity - HE Body - 100% fill factor
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
Body Hoists
High Idle Body Lower Time - Float:
20s
Capacity - HE Body - 100% fill factor
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate:
0.2in
Body Hoists
Total Cycle Time:
44s
Capacity - HE Body - 100% fill factor
Note:
Contact your local Cat dealer for body recommendations.
Body Hoists
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.
Cab
ROPS Standards (1):
Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.
FOPS Standards:
Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.
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°
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
Overall Canopy Width:
31.5ft
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
- S•O•S℠ 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
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