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794 AC mining truck
Mining Trucks
794 AC
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785 Mining Truck
Mining Trucks
785
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789
Mining Trucks
789
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Engine Expand Collapse
Gross Power - SAE J1995
3500 hp 2610 kW
1600 hp 1193 kW
Standard Gross Power - SAE J1995
3500 hp 2610 kW
Engine Model
Cat® C175-16
Cat 3512E
Cat® 3516E
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
1,650 r/min 1,650 r/min
Net Power - SAE J1349
3405 hp 2539 kW
1509 hp 1125 kW
Emissions Rating
Fuel Optimized
Fuel Optimized
Fuel Optimized
Bore
6.9 in 175 mm
6.7 in 170 mm
6.7 in 170 mm
Stroke
8.7 in 220 mm
8.5 in 215 mm
8.5 in 215 mm
Displacement
5187 in³ 85 l
3573 in³ 58.56 l
4,766 in³ 7.8 l
Note (1)
Contact factory for high altitude configuration.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating.
Note (3)
Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
Additional fuel optimized selectable power ratings: 1,450 hp
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Nominal Rated Payload
327 ton (US) 297 t
213 ton (US) 193 t
Rated Gross Machine Weight
1150000 lb 521631 kg
715,000 lb 324,318 kg
Chassis Weight
426237 lb 193338 kg
Body Weight
64346 lb 29187 kg
57779 lb 26208 kg
60,406 lb 27,400 kg
Note (1)
Contact factory for high altitude configuration.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating.
Note (3)
Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
Additional fuel optimized selectable power ratings: 1,450 hp
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Note (4)
Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)
Total Reduction Ratio
35:01:00
22.75:1
25.46:1
Total Reduction Ratio
35:01:00
22.75:1
25.46:1
Top Speed - Loaded
37 mile/h 60 km/h
35.6 mile/h 57.2 km/h
35.5 mile/h 57.2 km/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
126 gal (US) 476 l
180 gal (US) 679 l
Standard Tires
53/80 R63
37 R57
Rims
36" x 63"
610 mm (24") Rims (optional). 660 mm (26") Rims (optional).
29” x 57” Rims
Note (1)
Contact factory for high altitude configuration.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating.
Service Brakes
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
20378 in² 131473 cm²
9487 in² 61270 cm²
12,662 in² 81 693 cm²
Rear - Wet Disc Brake Surface Area
30750 in² 198388 cm²
13908 in² 89728 cm²
20,861 in² 134 590 cm²
Standards
ISO 3450:2011
Service and Secondary: ISO 3450:2011
(Service and Secondary) ISO 3450:2011
Parking Brake
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Four corner, multi disc, spring applied, hydraulically released
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake
Rear service brakes
Dynamic Retarding Power - Continuous
5480 hp 4086 kW
Front Axle - Empty
49 % 49 %
48%
50%
Rear Axle - Empty
51 % 51 %
52%
50%
Front Axle - Loaded
33 % 33 %
33%
33%
Rear Axle - Loaded
67 % 67 %
67%
67%
Pump Flow - High Idle (HAA at 1,800 rpm)
221 gpm 840 L/min
Pump Flow - High Idle (LAA at 1,960 rpm)
240 gpm 910 L/min
Relief Valve Setting - Raise
3029 psi 20884 kPa
2500 psi 17225 kPa
2,749 psi 18950 kPa
Body Raise Time - High Idle
24 s 24 s
15.0 s 15.0 s
14 s 14 s
High Idle Body Lower Time - Float
20 s 20 s
Total Cycle Time
44 s 44 s
Note (1)
Contact factory for high altitude configuration.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
Tier 4 / EU Stage V option available for regions that require these emissions standards.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating.
Note (3)
Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
Additional fuel optimized selectable power ratings: 1,450 hp
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Struck
108-133 m³ (142-175 yd³)
84 m3 / 110 yd3
77 m3(101 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 16 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
0.35 in 9 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
0.31 in 8 mm
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
0.2 in 5 mm
Note
Contact your local Cat dealer for body recommendations.
Weight distributions optimized with Cat body.
Fuel Tank
1300 gal (US) 4922 l
410 gal (US) 1552 l
1000 gal (US) 4546 l
Cooling System
Variable speed, hydraulically driven cooling system
126 gal (US) 476 l
180 gal (US) 679 l
Crankcase
82 gal (US) 310 l
54 gal (US) 204 l
77 gal (US) 291 l
Final Drive - Each
67 gal (US) 254 l
Hydraulic Tank
296 gal (US) 1121 l
Hydraulic System - Including Tank
385 gal (US) 1458 l
Diesel Exhaust Fluid Tank
100 gal (US) 378 l
36 gal (US) 136 l
62 gal (US) 233 l
Note (1)
Contact factory for high altitude configuration.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
ROPS Standards (1)
Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.
ROPS (Rollover Protective Structure) meets ISO 3471:2008 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.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
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.
Operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
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 5010:2019
ISO 5010:2019
ISO 5010:2019
Note
Contact your local Cat dealer for body recommendations.
Weight distributions optimized with Cat body.
Steer Angle
39 ° 39 °
25.1 ° 25.1 °
36.07 ° 36.07 °
Height - Top of ROPS
22.25 ft 6779 mm
17.09 ft 5208 mm
5550 mm 18.25 ft
Overall Length
50.75 ft 15463.5 mm
39.23 ft 11957 mm
12970 mm 42.58 ft
Wheel Base
21.83 ft 6644.5 mm
17 ft 5180 mm
57000 mm 18.67 ft
Rear Axle - Tail
15.5 ft 4716 mm
12.56 ft 3829 mm
3856 mm 12.67 ft
Ground Clearance
2.67 ft 906 mm
3.29 ft 1004 mm
1304 mm 4.25 ft
Dump Clearance
3 ft 1555 mm
3.7 ft 1128 mm
1585 mm 5.17 ft
Loading Height - Empty
22.92 ft 6995 mm
17.39 ft 5299 mm
6147 mm 20.17 ft
Overall Height - Body Raised
48.42 ft 14747 mm
39.48 ft 12032 mm
11534 mm 37.83 ft
Centerline Front Tire Width
23 ft 7024 mm
15.91 ft 4850 mm
5410 mm 17.75 ft
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
22 ft 6714 mm
7123 mm 23.33 ft
Inside Body Width
28.08 ft 8560 mm
19.72 ft 6010 mm
6920 mm 22.67 ft
Front Canopy Height
26.33 ft 8024 mm
19.8 ft 6035 mm
6739 mm 22.08 ft
Rear Axle - Clearance
3.08 ft 934 mm
3.25 ft 990 mm
1263 mm 4.17 ft
Centerline of Rear Dual Tire Width
18.75 ft 5727 mm
14.06 ft 4285 mm
4695 mm 15.42 ft
Overall Tire Width
28.67 ft 8738 mm
20.59 ft 6277 mm
7120 mm 23.33 ft
Overall Canopy Width
31.5 ft 9611 mm
24.81 ft 7562 mm
7769 mm 25.5 ft
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