794 AC Mining Truck / Haul Truck
Overview 794 AC Mining Truck
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SPECS SUMMARY
| Nominal Rated Payload | 327 ton (US) (297 t) |
| Rated Gross Machine Weight | 1150000 lb (521631 kg) |
| Gross Power - SAE J1995 | 3500 HP (2610 kW) |
| Standard Gross Power - SAE J1995 | 3500 HP (2610 kW) |
Specifications
| Nominal Rated Payload | 327 ton (US) (297 t) |
| Rated Gross Machine Weight | 1150000 lb (521631 kg) |
| Gross Power - SAE J1995 | 3500 HP (2610 kW) |
| Standard Gross Power - SAE J1995 | 3500 HP (2610 kW) |
| Engine Model | Cat® C175-16 |
| Optional Gross Power - SAE J1995 | 3100 HP (2312 kW) |
| Optional Gross Power - SAE J1995 (Option 2) | 2750 HP (2051 kW) |
| Rated Speed | 1800 r/min (1800 r/min) |
| Standard Tires | 53/80 R63 |
| Total Reduction Ratio | 35:01:00 |
| Net Power - SAE J1349 | 3405 HP (2539 kW) |
| Rims | 36" x 63" |
| Service Brakes | Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
| Total Reduction Ratio | 35:01:00 |
| Emissions Rating | Fuel Optimized |
| Top Speed - Loaded | 37 mile/h (60 km/h) |
| Note (1) | Quick Change Rims optional. |
| Bore | 6.9 in (175 mm) |
| Note (2) | Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
| Struck | 108-133 m³ (142-175 yd³) |
| Pump Flow - High Idle (HAA at 1,800 rpm) | 221 gal/min (840 l/min) |
| Front Axle - Empty | 49 % (49 %) |
| Fuel Tank | 1300 gal (US) (4922 l) |
| Generator/Alternator | Brushless, engine mounted, dual bearing |
| Front Wet Disc Brake Surface Area | 20378 in² (131473 cm²) |
| Displacement | 5187 in³ (85 l) |
| Stroke | 8.7 in (220 mm) |
| Rear Axle - Empty | 51 % (51 %) |
| Cooling System | 211 gal (US) (799 l) |
| Height - Top of ROPS | 22.25 ft (6779 mm) |
| Rear - Wet Disc Brake Surface Area | 30750 in² (198388 cm²) |
| Heaped (SAE 2:1) | 180-222 m³ (236-290 yd³) |
| Pump Flow - High Idle (LAA at 1,960 rpm) | 240 gal/min (910 l/min) |
| Controls | IGBT Inverter Technology, air cooled, pressurized cabinet with filtration |
| Chassis Weight | 426237 lb (193338 kg) |
| Overall Length | 50.75 ft (15463.5 mm) |
| Wheel Motor | High-torque AC induction, rear axle mounted |
| Crankcase | 82 gal (US) (310 l) |
| Front Axle - Loaded | 33 % (33 %) |
| Relief Valve Setting - Raise | 3029 psi (20884 kPa) |
| Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate | 0.63 in (16 mm) |
| Cooling System | Variable speed, hydraulically driven cooling system |
| Wheel Base | 21.83 ft (6644.5 mm) |
| Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate | 0.35 in (9 mm) |
| Body Raise Time - High Idle | 24 s (24 s) |
| Final Drive - Each | 67 gal (US) (254 l) |
| Body Weight | 64346 lb (29187 kg) |
| Rear Axle - Loaded | 67 % (67 %) |
| Standards | ISO 3450:2011 |
| Rear Axle - Tail | 15.5 ft (4716 mm) |
| Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate | 0.31 in (8 mm) |
| High Idle Body Lower Time - Float | 20 s (20 s) |
| Parking Brake | Four-corner, Multi-disc, Spring applied, Hydraulically Released |
| Hydraulic Tank | 296 gal (US) (1121 l) |
| Ground Clearance | 2.67 ft (906 mm) |
| Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate | 0.2 in (5 mm) |
| Total Cycle Time | 44 s (44 s) |
| ROPS Standards (1) | Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer. |
| Hydraulic System - Including Tank | 385 gal (US) (1458 l) |
| Load Brake | Rear service brakes |
| Dump Clearance | 3 ft (1555 mm) |
| 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. |
| FOPS Standards | Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer. |
| Dynamic Retarding Power - Continuous | 5480 HP (4086 kW) |
| Loading Height - Empty | 22.92 ft (6995 mm) |
| 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 Standards | ISO 5010:2007 |
| Overall Height - Body Raised | 48.42 ft (14747 mm) |
| Centerline Front Tire Width | 23 ft (7024 mm) |
| Front Axle Clearance | 3.17 ft (969 mm) |
| Canopy Width (without optional rock deflectors) | 29.75 ft (9068 mm) |
| Outside Body Width | 29.75 ft (9062 mm) |
| Inside Body Width | 28.08 ft (8560 mm) |
| Front Canopy Height | 26.33 ft (8024 mm) |
| Rear Axle - Clearance | 3.08 ft (934 mm) |
| Centerline of Rear Dual Tire Width | 18.75 ft (5727 mm) |
| Overall Tire Width | 28.67 ft (8738 mm) |
| Overall Canopy Width | 31.5 ft (9611 mm) |
| Diesel Exhaust Fluid Tank | 100 gal (US) (378 l) |
| Note | Contact your local Cat dealer for body recommendations. |
| Note (1) | Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages. |
| Note (1) | Contact factory for high altitude configuration. |
| Steer Angle | 39 ° (39 °) |
| Note | Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). |
| Note (1) | Consult your tire manufacturer for maximum tire load. |
| Note (1) | DEF Tank only available for EPA Tier 4 / EU Stage V engine option. |
| Note (2) | Tier 4 / EU Stage V option available for regions that require these emissions standards. |
| Note (2) | Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires |
| Note (2) | Power raise in both stages; power down in both stages possible. |
| Note (3) | Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations. |
| Note (3) | Automatic body-lower modulation reduces impact on frame. |
| Note (3) | Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) |
| Note (4) | Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) |
Benefits and Features
- Greater visibility thanks to wide field of view from the cab.
- Safer access and egress with standard 600 mm) (24 in) wide ladders, flat deck, toe kicks, and optional power access stair attachment.
- Confidence-building features such as anti-rollback, traction controls, park brake warning when exiting the cab and automatic retarder.
- Best braking in its class, with four-corner wet disc brakes with blended mechanical service brakes and dynamics, plus Automatic Retarding Control for easier and more efficient retarding.
- Ground-level system lockout, engine lockout and propulsion lockout (in ECM cabinet), VIMS monitoring, and stored energy dissipation at shutdown.
- Proven 90% physical availability.
- Significant speed advantage to move more over the course of a shift — or move the same amount of material with fewer trucks.
- Lower empty weight and higher-rated GMW for a higher-rated field payload vs. competitive trucks.
- Ease of operation and reduced costs thanks to integrated Cat engine, AC drive system, hydraulics and controls.
- Excellent slow speed control within the service areas and superior throttle response on acceleration to move out of the loading or dump areas.
- Ergonomic cab layout, excellent all-around visibility, and controls, levers and switches that are positioned for ease of use.
- Automatic climate control and reduced vibration and sound.
- Next generation seat with height adjuster, adjustable shoulder stock to keep the seatbelt from rubbing, and seat back, side and lumbar bolsters to increase stability.
- Proven in the field and working around the world — on four continents and in nine countries.
- Ideal for a variety of applications and ores: soft rock, hard rock, deep pit, and flat haul; low altitude, high altitude, high ambient, and cold weather.
- Optimized horsepower performance that makes it possible for the 794 to run in all areas of the mine — from deep pits to downhill hauls; from smooth, flat roads to areas of high rolling resistance — with the same engine.
- Higher horsepower available to boost productivity in deeper pits, and an easy adjustment to a lower horsepower that allows the 794 to better align with mixed fleets and keep fuel costs lower.
- Open engine access and platforms for service of engine, generator and inverter, plus ground-level filters and service.
- Component layout with minimized hydraulics, all hydraulic lines on one side, and electric wiring on the other side.
- Separate traction motors, brakes and final drives.
- Modular component design for easy removal and installation.
- AC grid blower motor designed for longer life and less maintenance, plus pressurized and filtered AC drive inverter that requires less maintenance.
- Highly validated and proven straight frame rail design that eliminates the bends and breaks that can occur at stress concentrations.
- Outstanding durability delivered by box section construction that uses Caterpillar proprietary steel specification for excellent welding characteristics.
- Increased frame life thanks to deep section main rails in critical areas of the frame lower stress levels.
- Frame, powertrain, engine and components that are built to be rebuilt — delivering multiple lives of like-new performance at a fraction-of-new price.
- Reduced operating costs thanks to the integrated engine and powertrain 100% designed, validated and built by Caterpillar.
- Radial style retarding grid with AC electric motor that requires no regular motor maintenance and is quieter and lighter than box grids.
- AC Drive dynamic retarding for continuous retarding power, and an AC electric motor that reduces maintenance.
- State-of-the-art high voltage IGBTs for maximum AC drive system efficiency, and a dual-bearing brushless alternator that delivers long life and less maintenance, with no shimming required.
- Variable hydraulic blower fan, which provides optimized cooling even at idle for increased component performance and life.
- Designed to use less fuel, which reduces engine emissions and carbon footprint.
- Optional U.S. EPA Tier 4 Final / EU Stage V engine, which reduces NOx by 62% and particulates by 93% when compared to Tier 1 emissions.
- Reduced waste thanks to Centrifugal Oil Filter (COF), Enhanced Engine Oil Filtration (EEOF) package, standard self-cleaning engine filter, extended oil change intervals and reduced oil usage.
- Engines compatible with diesel fuel blended with lower-carbon intensity fuels such as biofuels and renewable fuels, plus power options like trolley.
- Cat Rebuild and Cat Reman programs, which preserve raw materials, conserve energy and reduce emissions.
- Equipped with standard Product Link™ Elite monitoring system, which delivers health and payload information to keep performance high and enable proactive maintenance planning.
- Factory-ready for fully integrated Cat MineStar™ Command for hauling, an autonomous hauling solution proven to increase productivity up to 30%.
- Optional MineStar Fleet, a fleet monitoring system, to measure, manage and maximize the overall hauling operation.
- Optional MineStar Detect proximity detection system, which uses cameras to give operators a better view of what's happening around their equipment.
- Optional in-cab Cat Driver Safety System (DSS) intervenes when operator fatigue or distraction are detected.
- Bodies designed to fit with the chassis, sized to meet payload requirements and work as part of the truck system.
- High Efficiency (HE) dump body option that is lightweight, simplified and durable.
- With unique minimal structure design, HE body provides long life while minimizing weight for increased payload.
- HE body sized and configured to meet the specific needs of the mine, dictated by fragmentation, abrasion, cohesion and the loading tool.
Standard Equipment
- 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
- 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
- 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
- Extended life coolant to –35° C (–30° F)
- 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
- 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