Off-Highway Trucks

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793D
793D
  • 785
  • 789
  • 793
  • 794 AC
  • 796 AC
  • 797F
794 AC
  • 785
  • 789
  • 793
  • 793D
  • 796 AC
  • 797F
796 AC
  • 785
  • 789
  • 793
  • 793D
  • 794 AC
  • 797F
UNITS:
Metric
Imperial
Gross Power - SAE J1995
1801 kW
2415 HP
 
2610 kW
3500 HP
 
2610 kW
3500 HP
Engine Model
Cat® 3516B HD
Cat® 3516B HD
 
Cat® C175-16
Cat® C175-16
 
Cat® C175-16
Cat® C175-16
Net Power - SAE J1349
1743 kW
2337 HP
 
2539 kW
3405 HP
 
2539 kW
3405 HP
Rated Speed
1750 r/min
1750 r/min
 
1800 r/min
1800 r/min
 
1800 r/min
1800 r/min
Emissions Rating
U.S. EPA Tier 1
U.S. EPA Tier 1
 
Fuel Optimized
Fuel Optimized
 
Fuel Optimized
Fuel Optimized
Bore
170 mm
6.7 in
 
175 mm
6.9 in
 
175 mm
6.9 in
Stroke
215 mm
8.5 in
 
220 mm
8.7 in
 
220 mm
8.7 in
Displacement
78 l
4760 in³
 
85 l
5187 in³
 
85 l
5187 in³
Note (1)
3516E engine currently offered as optional attachment upgrade.
3516E engine currently offered as optional attachment upgrade.
 
Contact factory for high altitude configuration.
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)
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.
 
-
 
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Standard Gross Power - SAE J1995
-
 
2610 kW
3500 HP
 
-
Optional Gross Power - SAE J1995
-
 
2312 kW
3100 HP
 
-
Optional Gross Power - SAE J1995 (Option 2)
-
 
2051 kW
2750 HP
 
-
Note (3)
-
 
-
 
Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp
Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp
Rated Gross Machine Weight
383848 kg
846240 lb
 
-
 
576072 kg
1270000 lb
Chassis Weight
121984 kg
268929 lb
 
189233 kg
417187 lb
 
203398 kg
448415 lb
Body Weight
30700 kg
67682 lb
 
28186 kg
62140 lb
 
-
Note (1)
Consult your tire manufacturer for maximum tire load
Consult your tire manufacturer for maximum tire load
 
Consult your tire manufacturer for maximum tire load.
Consult your tire manufacturer for maximum tire load.
 
Consult your tire manufacturer for maximum tire load.
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.
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
 
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
 
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Nominal Rated Payload
232 t
256 ton (US)
 
-
 
327 t
360 ton (US)
Gross Machine Operating Weight
-
 
521631 kg
1150000 lb
 
-
Note (3)
-
 
Body weight varies depending on how body is equipped.
Body weight varies depending on how body is equipped.
 
Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations
Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations
Body Weight Range
-
 
-
 
38 833 – 42 907 kg (85,611 – 94,594 lb)
38 833 – 42 907 kg (85,611 – 94,594 lb)
Front Axle - Empty
46 %
46 %
 
49 %
49 %
 
47 %
47 %
Rear Axle - Empty
54 %
54 %
 
51 %
51 %
 
53 %
53 %
Front Axle - Loaded
33 %
33 %
 
33 %
33 %
 
33 %
33 %
Rear Axle - Loaded
67 %
67 %
 
67 %
67 %
 
67 %
67 %
Note
Weight distributions optimized with Cat body.
Weight distributions optimized with Cat body.
 
-
 
Weight distributions optimized with Cat body.
Weight distributions optimized with Cat body.
Type
Double reduction, planetary with full floating axles.
Double reduction, planetary with full floating axles.
 
-
Differential Ratio
1:08:01
1:08:01
 
-
Planetary Ratio
16:01
16:01
 
-
Total Reduction Ratio
28.8:1
28.8:1
 
35 to 1
35 to 1
Forward - 1
11.8 km/h
7.3 mile/h
Forward - 2
15.9 km/h
9.9 mile/h
Forward - 3
21.5 km/h
13.4 mile/h
Forward - 4
29 km/h
18.1 mile/h
Forward - 5
39.4 km/h
24.5 mile/h
Forward - 6
54.3 km/h
33.7 mile/h
Reverse
10.9 km/h
6.8 mile/h
Top Speed - Loaded
54.3 km/h
33.7 mile/h
Standard Tires
40.00 R57
40.00 R57
 
53/80 R63.
53/80 R63.
 
59/80 R63
59/80 R63
Rims
29" x 57"
29" x 57"
 
-
 
44" x 63"
44" x 63"
Note (1)
Quick Change Rims (QCR) and Extended Life Wheel Station (XLWS) optional.
Quick Change Rims (QCR) and Extended Life Wheel Station (XLWS) optional.
 
Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
Production capabilities of the 794 AC truck are such that, under certain job conditions, TKPH (TMPH) capabilities could be exceeded and, therefore, limit production.
 
Quick Change Rims optional.
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.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
 
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection.
 
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
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
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
89817 cm²
13921 in²
 
131473 cm²
20378 in²
 
131473 cm²
20378 in²
Rear - Wet Disc Brake Surface Area
34500 cm²
20847 in²
 
198388 cm²
30750 in²
 
198388 cm²
30750 in²
Standards
Service and Secondary: ISO 3450:2011
Service and Secondary: ISO 3450:2011
 
ISO 3450:2011
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
Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Load Brake
Rear service brakes
Rear service brakes
 
-
 
Rear service brakes
Rear service brakes
Dynamic Retarding Power - Continuous
-
 
4086 kW
5480 HP
 
4086 kW
5480 HP
Electric Retarding
-
 
Radial Grid Design
Radial Grid Design
 
-
Note
-
 
-
 
Anti-Lock Brake System (ABS) optional with CMD package
Anti-Lock Brake System (ABS) optional with CMD package
Struck
112.6-151 m³ / 147-197.5 yd³
112.6-151 m³ / 147-197.5 yd³
Heaped (SAE 2:1)*
162-191 m³ / 212-250 yd³
162-191 m³ / 212-250 yd³
Note (1)
Consult your local Cat dealer for body recommendations.
Consult your local Cat dealer for body recommendations.
Type
Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve.
 
-
 
Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle
846 l/min
224 gal/min
 
-
 
964 l/min
257.3 gal/min
Relief Valve Setting - Raise
20370 kPa
2955 psi
 
20884 kPa
3029 psi
 
20884 kPa
3029 psi
Body Raise Time - High Idle
20.25 s
20.25 s
 
24 s
24 s
 
21 s
21 s
Body Lower Time - Float
19.26 s
19.26 s
 
-
 
22 s
22 s
Body Power Down - High Idle
17.51 s
17.51 s
 
-
 
-
Pump Flow - High Idle (LAA at 1,960 rpm)
-
 
910 l/min
240 gal/min
 
-
Pump Flow - High Idle (HAA at 1,800 rpm)
-
 
840 l/min
221 gal/min
 
-
Note (2)
-
 
Power raise in both stages; power down in both stages possible.
Power raise in both stages; power down in both stages possible.
 
Power raise in both stages; power down capability in both stages.
Power raise in both stages; power down capability in both stages.
Note (3)
-
 
Automatic body-lower modulation reduces impact on frame.
Automatic body-lower modulation reduces impact on frame.
 
Automatic body-lower modulation reduces impact on frame.
Automatic body-lower modulation reduces impact on frame.
Note (1)
-
 
Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
 
Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages.
Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages.
High Idle Body Lower Time - Float
-
 
20 s
20 s
 
-
Total Cycle Time
-
 
44 s
44 s
 
-
Body Power Down- High Idle
-
 
-
 
17.5 s
17.5 s
Type
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
 
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front
130.5 mm
5.2 in
 
102.1 ml
4 in
Effective Cylinder Stroke - Rear
105.5 mm
4.2 in
 
50.5 mm
2 in
Rear axle - Oscillation
+/- 4.9º
+/- 4.9º
 
+/- 5.32 degrees
+/- 5.32 degrees
Fuel Tank - Standard
4354 l
1150 gal (US)
 
-
 
-
Fuel Tank - Optional
4922 l
1300 gal (US)
 
-
 
-
Cooling System
973 l
257 gal (US)
 
799 l
211 gal (US)
 
799 l
211 gal (US)
Crankcase
265 l
70 gal (US)
 
310 l
82 gal (US)
 
310 l
82 gal (US)
Front Wheels - Each
22 l
6 gal (US)
 
-
 
28 l
7 gal (US)
Final Drive - Each
114 l
30 gal (US)
 
254 l
67 gal (US)
 
254 l
67 gal (US)
Differentials
832 l
220 gal (US)
 
-
 
-
Steering Tank
227 l
60 gal (US)
 
-
 
-
Steering System - Including Tank
341 l
90 gal (US)
 
-
 
-
Torque Converter - Transmission Sump
102 l
27 gal (US)
 
-
 
-
Brake/Hoist Hydraulic Tank
769 l
203 gal (US)
 
-
 
-
Brake Hoist System - Includes Tank
1375 l
363 gal (US)
 
-
 
-
Torque Converter Sump
102 l
27 gal (US)
 
-
 
-
Torque Converter/Transmission System - Including Sump
189 l
50 gal (US)
 
-
 
-
Fuel Tank
-
 
4922 l
1300 gal (US)
 
4922 l
1300 gal (US)
Hydraulic System - Including Tank
-
 
1458 l
385 gal (US)
 
1458 l
385 gal (US)
Hydraulic Tank
-
 
1121 l
296 gal (US)
 
1121 l
296 gal (US)
Fuel Tank (Tier 4)
-
 
-
 
4542 l
1200 gal (US)
Diesel Exhaust Fluid Tank
-
 
-
 
378 l
100 gal (US)
Grease Tank
-
 
-
 
41 kg
90 lb
Note (1)
-
 
-
 
DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option
DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option
Air Conditioning
(HFC - 134A refrigerant) 35,100 Btu/h
(HFC - 134A refrigerant) 35,100 Btu/h
 
HFC - 134A refrigerant: 21,600 Btu/h
HFC - 134A refrigerant: 21,600 Btu/h
Heater / Defroster
43930 Btu/h
43930 Btu/h
 
24600 Btu/h
24600 Btu/h
ROPS Standards (1)
The operator sound pressure level, 76 dB(A), is measured according to work cycle procedures specified in ANSI/SAE J1166 MAY90.
The operator sound pressure level, 76 dB(A), is measured according to work cycle procedures specified in ANSI/SAE J1166 MAY90.
 
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:2008 and ISO 13459:2012
ROPS (Rollover Protective Structure) meets ISO 3471:2008 and ISO 13459:2012
 
-
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria and ISO13459:2012 Level II.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria and ISO13459:2012 Level II.
 
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.
Note
-
 
Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning.
Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning.
Steer Angle
36 °
36 °
 
-
 
39 °
39 °
Turning Diameter - Front
28.42 m
93.2 ft
 
-
 
32.4 m
106.3 ft
Steering Standards
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
 
Steering Standards: ISO 5010:2007
Steering Standards: ISO 5010:2007
Note
-
 
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).
 
Turning Diameter (ISO 7457:1997)
Turning Diameter (ISO 7457:1997)
Height - Top of ROPS
5584 mm
18.33 ft
Overall Length
13589 mm
44.58 ft
Wheel Base
5905 mm
19.42 ft
Rear Axle - Tail
3997 mm
13.92 ft
Ground Clearance
1005 mm
3.3 ft
Dump Clearance
1631 mm
5.33 ft
Loading Height - Empty
6189 mm
20.33 ft
Overall Height - Body Raised
13714 mm
45 ft
Centerline Front Tire Width
5610 mm
18.5 ft
Engine Guard Clearance
1294 mm
4 ft
Overall Canopy Width
8592 mm
28.2 ft
Outside Body Width
8007 mm
23.92 ft
Inside Body Width
7300 mm
26.33 ft
Front Canopy Height
7375 mm
24.2 ft
Rear Axle - Clearance
1128 mm
3.33 ft
Centerline of Rear Dual Tire Width
4963 mm
16.25 ft
Overall Tire Width
7605 mm
24.92 ft
Overall Body Length
12862 mm
42.17 ft
Inside Body Length
7712 mm
25.3 ft
Inside Body Depth - Maximum
2330 mm
7.64 ft
Operating Width
7680 mm
25.17 ft
Nominal Payload Capacity
291 t
320 ton (US)
Steer Angle
39 °
39 °
Minimum Turning Radius
16.2 m
53 ft
Gross Machine Operating Weight (GMW)
521631 kg
1150000 lb
Note (2)
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Refer to the Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Top Speed - Loaded
60 km/h
37 mile/h
Note (1)
Payload assumes no debris, no extra options or attachments.
Payload assumes no debris, no extra options or attachments.
Rear Axle - Tail
4716 mm
15.5 ft
 
4898 mm
16.07 ft
Overall Height - Body Raised
14747 mm
48.42 ft
 
14890 mm
48.85 ft
Height - Top of ROPS
6779 mm
22.25 ft
 
6720 mm
22.05 ft
Outside Body Width
9062 mm
29.75 ft
 
-
Centerline Front Tire Width
7024 mm
23 ft
 
7028 mm
23.06 ft
Ground Clearance
906 mm
2.67 ft
 
-
Loading Height - Empty
6995 mm
22.92 ft
 
7271 mm
23.85 ft
Front Axle Clearance
969 mm
3.17 ft
 
-
Centerline of Rear Dual Tire Width
5727 mm
18.75 ft
 
5943 mm
19.5 ft
Wheel Base
6644.5 mm
21.83 ft
 
6674 mm
21.9 ft
Note
Dimensions based on 193.6 m³ (253 yd³) HE Body.
Dimensions based on 193.6 m³ (253 yd³) HE Body.
 
Dimensions listed includes canopy deflectors
Dimensions listed includes canopy deflectors
Canopy Width (without optional rock deflectors)
9068 mm
29.75 ft
 
-
Overall Length
15463.5 mm
50.75 ft
 
15679 mm
51.44 ft
Front Canopy Height
8024 mm
26.33 ft
 
-
Rear Axle - Clearance
934 mm
3.08 ft
 
-
Inside Body Width
8560 mm
28.08 ft
 
8973 mm
29.44 ft
Overall Tire Width
8738 mm
28.67 ft
 
-
Dump Clearance
1555 mm
3 ft
 
-
Dump Clearance - Empty
-
 
1744 mm
5.72 ft
Front Axle Clearance - Loaded
-
 
855 mm
2.81 ft
Overall Canopy Width (with rock deflectors)
-
 
10103 mm
33.15 ft
Outside Body/Canopy Width (without rock deflectors)
-
 
9639 mm
31.62 ft
Front Canopy Height - Empty
-
 
7928 mm
26.01 ft
Rear Axle Clearance - Loaded
-
 
854 mm
2.8 ft
Overall Tire Width - Empty
-
 
9226 mm
30.27 ft
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.
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.
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.
 
-
Sound Standards
-
 
The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.
The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate
5 mm
0.2 in
 
-
Note
Contact your local Cat dealer for body recommendations.
Contact your local Cat dealer for body recommendations.
 
Consult your local Cat dealer for body recommendations.
Consult your local Cat dealer for body recommendations.
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate
8 mm
0.31 in
 
-
Heaped (SAE 2:1)
180-222 m³ (236-290 yd³)
180-222 m³ (236-290 yd³)
 
186-237 m³ (243-310 yd³)
186-237 m³ (243-310 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate
16 mm
0.63 in
 
-
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate
9 mm
0.35 in
 
-
Struck
108-133 m³ (142-175 yd³)
108-133 m³ (142-175 yd³)
 
97-153 m³ (127-200 yd³)
97-153 m³ (127-200 yd³)
ROPS Standards
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
ROPS (Rollover Protective Structure) meets ISO 3471:1994.
FOPS Standards
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
FOPS (Falling Object Protective Structure) meets ISO 3449:1992.
Wheel Motor
Cat AC induction, rear axle mounted
Cat AC induction, rear axle mounted
 
Cat AC induction, rear axle mounted
Cat AC induction, rear axle mounted
Generator/Alternator
Brushless, engine mounted, dual bearing
Brushless, engine mounted, dual bearing
 
Cat brushless, engine mounted, dual bearing
Cat brushless, engine mounted, dual bearing
Controls
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
 
Cat IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Cat IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Cooling System
Variable speed, hydraulically driven cooling system
Variable speed, hydraulically driven cooling system
 
Cat variable speed, hydraulically driven cooling system
Cat variable speed, hydraulically driven cooling system
Total Reduction Ratio
-
 
35:01:00
35:01:00
Top Speed - Loaded
-
 
64 km/h
40 mile/h
X
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