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Mining Trucks
What makes the Cat® 797F Mining Truck the most productive 363-tonne (400-ton) truck in the market? Is it the best-in-class payload? Superior braking that leads to confident, productive operators? Or a tough, rugged frame that delivers performance and long life no matter the conditions? Today’s 797F delivers all of this—and more. It’s fast, fuel efficient and delivers class-leading productivity, making it the industry benchmark for lower cost per ton in its size class. 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 Model
Cat® C175-20
Rated Speed
1750 r/min/1750 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
Key Features
SAFETY
PRODUCTIVITY
FUEL EFFICIENCY
VERSATILITY
OPERATOR COMFORT & CONTROL
SERVICEABILITY
DURABILITY AND LONG LIFE
CAT BODIES
SUSTAINABILITY
TECHNOLOGY SOLUTIONS
Specifications
Metric
|
Imperial
Engine
Engine Model
Cat® C175-20
Rated Speed
1750 r/min
1750 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
Stroke
8.7 in
220 mm
Displacement
6469 in³
106 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.
Note (2)
U.S. EPA Tier 4 Final available for applicable markets.
Note (3)
High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
Weights - Approximate
Nominal Rated Payload
400 ton (US)
363 t
Rated Gross Machine Weight
1375000 lb
623690 kg
Chassis Weight
474472 lb
215217 kg
Body Weight
94799 lb
43000 kg
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.
Note (2)
U.S. EPA Tier 4 Final available for applicable markets.
Note (4)
Tier 4 Chassis Weight: 486263 lb (220565 kg)
Weight Distributions - Approximate
Front Axle - Empty
47.20%
Rear Axle - Empty
52.80%
Front Axle - Loaded
33.30%
Rear Axle - Loaded
66.70%
Note
Weight distributions optimized with Cat body.
Final Drives
Type
Double reduction, planetary with full floating axles.
Differential Ratio
1.276:1
Planetary Ratio
16.67:1
Total Reduction Ratio
21.26:1
Note
Weight distributions optimized with Cat body.
Transmission
Forward - 1
6.6 mile/h
10.7 km/h
Forward - 2
8.9 mile/h
14.4 km/h
Forward - 3
12 mile/h
19.3 km/h
Forward - 4
16.2 mile/h
26.1 km/h
Forward - 5
21.8 mile/h
35 km/h
Forward - 6
29.4 mile/h
47.3 km/h
Forward - 7
39.5 mile/h
63.6 km/h
Reverse
7.4 mile/h
11.9 km/h
Top Speed - Loaded
39.5 mile/h
63.6 km/h
Tires
Tires
59/80 R63
Rims
44 x 63
Note
Weight distributions optimized with Cat body.
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.
Braking System
Service Brakes
Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
20500 in²
132 259 cm²
Rear - Wet Disc Brake Surface Area
30750 in²
198 388 cm²
Standards
Service and Secondary: ISO 3450:2011
Parking Brake
Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Load Brake
Rear service brakes
Note
Weight distributions optimized with Cat body.
Capacity - HP Body - 100% Fill Factor
Struck
225 yd³ / 172 m³
Heaped (SAE 2:1)*
330 yd³ / 252 m³
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.
Body Hoists
Type
Double reduction, planetary with full floating axles.
Pump Flow - High Idle
317 gpm
1140 L/min
Relief Valve Setting - Raise
3510 psi
24200 kPa
Body Raise Time - High Idle
25 s
25 s
Body Lower Time - Float
18 s
18 s
Body Power Down- High Idle
18 s
18 s
Suspension
Type
Double reduction, planetary with full floating axles.
Effective Cylinder Stroke - Front
3.9 in
99.1 mm
Effective Cylinder Stroke - Rear
3.7 in
93.2 mm
Rear axle - Oscillation
±3.96 degrees
Service Refill Capacities
Fuel Tank
1000 gal (US)
3785 l
Fuel Tank (Tier 4)
1200 gal (US)
4542 l
Diesel Exhaust Fluid Tank
100 gal (US)
375 l
Cooling System
306 gal (US)
1160 l
Crankcase
103 gal (US)
390 l
Front Wheels - Each
16 gal (US)
61 l
Differentials
330 gal (US)
1250 l
Steering Tank
67 gal (US)
254 l
Steering System - Including Tank
95 gal (US)
360 l
Brake/Hoist Tank
203 gal (US)
770 l
Brake Hoist System - Includes Tank
489 gal (US)
1850 l
Torque Converter Sump
80 gal (US)
303 l
Torque Converter/Transmission System - Including Sump
166 gal (US)
629 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.
Cab
Air Conditioning
HFC - 134A refrigerant: 24,300 Btu/h
Heater / Defroster
38900 Btu/h
38900 Btu/h
Note
Weight distributions optimized with Cat body.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II
ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012
Sound
Sound Standards (2)
Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008
Steering
Steering Angle
40 °
40 °
Steering Standards
ISO 5010:2019
Turning Diameter - Front
122.7 ft
37.4 m
Note
Weight distributions optimized with Cat body.
Dimensions
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
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
Equipment
Standard Equipment
Optional Equipment