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Metric | Imperial
797F mining truck
Mining Trucks
797F
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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
4000 hp 2983 kW
1600 hp 1193 kW
Engine Model
Cat® C175-20
Cat 3512E
Cat® 3516E
Net Power - SAE J1349
3795 hp 2828 kW
1509 hp 1125 kW
Rated Speed
1750 r/min 1750 r/min
1,650 r/min 1650 r/min
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards.
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
6469 in³ 106 l
3573 in³ 58.56 l
4,766 in³ 7.8 l
Note (1)
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.
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)
U.S. EPA Tier 4 Final available for applicable markets.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating.
Note (3)
High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
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
400 ton (US) 363 t
213 ton (US) 193 t
Rated Gross Machine Weight
1375000 lb 623690 kg
715,000 lb 324 318 kg
Chassis Weight
474472 lb 215217 kg
Body Weight
94799 lb 43000 kg
57779 lb 26208 kg
60,406 lb 27 400 kg
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
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 full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires.
Note (4)
Tier 4 Chassis Weight: 486263 lb (220565 kg)
Front Axle - Empty
47.20%
48%
50%
Rear Axle - Empty
52.80%
52%
50%
Front Axle - Loaded
33.30%
33%
33%
Rear Axle - Loaded
66.70%
67%
67%
Note
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.
Double reduction, planetary with full floating axles
Differential Ratio
1.276:1
2:10:01
2.35:1
Planetary Ratio
16.67:1
10.83:1
10.83:1
Total Reduction Ratio
21.26:1
22.75:1
25.46:1
Note
Double reduction, planetary with full floating axles.
Forward - 1
6.6 mile/h 10.7 km/h
7.4 mile/h 12.0 km/h
7.8 mile/h 12.6 km/h
Forward - 2
8.9 mile/h 14.4 km/h
10.0 mile/h 16.2 km/h
10.6 mile/h 17.1 km/h
Forward - 3
12 mile/h 19.3 km/h
13.7 mile/h 22.1 km/h
14.4 mile/h 23.1 km/h
Forward - 4
16.2 mile/h 26.1 km/h
18.5 mile/h 29.8 km/h
19.4 mile/h 31.2 km/h
Forward - 5
21.8 mile/h 35 km/h
25.0 mile/h 40.2 km/h
26.3 mile/h 42.3 km/h
Forward - 6
29.4 mile/h 47.3 km/h
35.6 mile/h 57.2 km/h
35.5 mile/h 57.2 km/h
Forward - 7
39.5 mile/h 63.6 km/h
Reverse
7.4 mile/h 11.9 km/h
7.2 mile/h 11.6 km/h
7.3 mile/h 11.8 km/h
Top Speed - Loaded
39.5 mile/h 63.6 km/h
35.6 mile/h 57.2 km/h
35.5 mile/h 57.2 km/h
Tires
59/80 R63
Rims
44 x 63
610 mm (24") Rims (optional). 660 mm (26") Rims (optional).
29” x 57” Rims
Note
Quick Change Rims optional.
Note (1)
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Quick Change Rims optional.
Quick Change Rims optional
Service Brakes
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
20500 in² 132 259 cm²
9487 in² 61270 cm²
12,662 in² 81 693 cm²
Rear - Wet Disc Brake Surface Area
30750 in² 198 388 cm²
13908 in² 89728 cm²
20,861 in² 134 590 cm²
Standards
Service and Secondary: 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
Note
Anti-Lock Brake System (ABS) optional with CMD package
Struck
225 yd³ / 172 m³
84 m3 / 110 yd3
77 m3(101 yd3)
Heaped (SAE 2:1)*
330 yd³ / 252 m³
110 m3 / 144 yd3
187
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.
Pump Flow - High Idle
317 gpm 1140 L/min
223 gpm 847 L/min
106.5 gpm 403 L/min
Relief Valve Setting - Raise
3510 psi 24200 kPa
2500 psi 17225 kPa
2,749 psi 18 950 kPa
Body Raise Time - High Idle
25 s 25 s
15.0 s 15.0 s
14 s 14 s
Body Lower Time - Float
18 s 18 s
15.6 s 15.6 s
16 s 16 s
Body Power Down- High Idle
18 s 18 s
15.5 s 15.5 s
Type
Self-contained nitrogen/oil cylinders, rear strut 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 and bottom double shear clevis attachments
Effective Cylinder Stroke - Front
3.9 in 99.1 mm
12.6 in 320 mm
4.12 in 104.65 mm
Effective Cylinder Stroke - Rear
3.7 in 93.2 mm
6.5 in 165 mm
3.67 in 93.22 mm
Rear axle - Oscillation
±3.96 degrees
+/- 5.4 degrees
+/- 5 degrees
Fuel Tank
1000 gal (US) 3785 l
410 gal (US) 1552 l
1000 gal (US) 4546 l
Fuel Tank (Tier 4)
1200 gal (US) 4542 l
55 gal (US) 2500 l
Diesel Exhaust Fluid Tank
100 gal (US) 375 l
36 gal (US) 136 l
62 gal (US) 233 l
Cooling System
306 gal (US) 1160 l
126 gal (US) 476 l
180 gal (US) 679 l
Crankcase
103 gal (US) 390 l
54 gal (US) 204 l
77 gal (US) 291 l
Front Wheels - Each
16 gal (US) 61 l
7.1 gal (US) 27 l
5.8 gal (US) 22 l
Differentials
330 gal (US) 1250 l
161 gal (US) 610 l
Steering Tank
67 gal (US) 254 l
29 gal (US) 110 l
Steering System - Including Tank
95 gal (US) 360 l
Brake/Hoist Tank
203 gal (US) 770 l
135 gal (US) 511 l
Brake Hoist System - Includes Tank
489 gal (US) 1850 l
143 gal (US) 541 l
347 gal (US) 1315 l
Torque Converter Sump
80 gal (US) 303 l
Torque Converter/Transmission System - Including Sump
166 gal (US) 629 l
Note (1)
DEF Tank only available for EPA Tier 4 engine option.
Air Conditioning
HFC - 134A refrigerant: 24,300 Btu/h
HFC - 134A refrigerant: 24,500 Btu/h
(HFC - 134A refrigerant) 24,500 Btu/hr
Heater / Defroster
38900 Btu/h 38900 Btu/h
33300 Btu/h 33300 Btu/h
33,300 Btu/h 33 300 Btu/h
Note
Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 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.
ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Sound Standards (2)
Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008
Steering Angle
40 ° 40 °
Steering Standards
ISO 5010:2019
ISO 5010:2019
ISO 5010:2019
Turning Diameter - Front
122.7 ft 37.4 m
Note
Turning Diameter (ISO 7457:2009)
Rear Axle - Clearance - Loaded
3.08 ft 947 mm
Inside Body Depth - Maximum
11 ft 3363 mm
Overall Height - Body Raised
51.5 ft 15701 mm
Loaded Ground Clearance
2.58 ft 786 mm
Loading Height - Empty
23 ft 6998 mm
Engine Guard Clearance - Loaded
3.33 ft 1025 mm
Height - Top of ROPS - Empty
21.4 ft 6526 mm
Front Canopy Height - Empty
25.33 ft 7709 mm
Overall Body Length
48.6 ft 14802 mm
Inside Body Length
32.75 ft 9976 mm
Overall Length
49.5 ft 15080 mm
Wheel Base
23.58 ft 7195 mm
Rear Axle - Tail
12.9 ft 3944 mm
Dump Clearance
6.58 ft 2017 mm
Centerline Front Tire Width
21.41 ft 6534 mm
Overall Canopy Width
29.91 ft 9116 mm
Outside Body Width
32 ft 9755 mm
Inside Body Width
27.91 ft 8513 mm
Centerline of Rear Dual Tire Width
20.41 ft 6233 mm
Overall Tire Width
31.25 ft 9529 mm