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797F Mining Truck

What will it take to boost your bottom line? Greater productivity thanks to a 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? With the Cat® 797F, you get all of this — and more. Today’s 797F is the most productive 363-tonne (400-ton) truck in the market. 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.

Specifications
Equipment
Units: US Metric
Engine
Engine Model
Cat® C175-20
Gross Power - SAE J1995
4000 HP
2983 kW
Net Power - SAE J1349
3795 HP
2828 kW
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
401 ton (US)
364 t
Rated Gross Machine Weight
1375000 lb
623690 kg
Chassis Weight
474472 lb
215217 kg
Body Weight
94799 lb
43000 kg
Note (1)
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.
Note (4)
Tier 4 Chassis Weight: 486263 lb (220565 kg)
Weight Distributions - Approximate
Front Axle - Empty
47.2%
Rear Axle - Empty
52.8%
Front Axle - Loaded
33.3%
Rear Axle - Loaded
66.7%
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
Double reduction, planetary with full floating axles.
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
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.
Braking System
Service Brakes
Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
20500 in²
132259 cm²
Rear - Wet Disc Brake Surface Area
30750 in²
198388 cm²
Standards
Service and Secondary: ISO 3450:2011
Parking Brake
Four-corner, Multi-disk, Spring Applied, Hydraulically Released
Load Brake
Rear service brakes
Note
Anti-Lock Brake System (ABS) optional with CMD package
Capacity - HP Body - 100% Fill Factor
Struck
225 yd³ / 172 m³
Heaped (SAE 2:1)*
330 yd³ / 252 m³
Note (1)
Consult your local Cat dealer for body recommendations.
Body Hoists
Type
Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle
317 gal/min
1140 l/min
Relief Valve Setting - Raise
3510 psi
24200 kPa
Body Raise Time - High Idle
26 s
26 s
Body Lower Time - Float
18 s
18 s
Body Power Down- High Idle
19 s
19 s
Suspension
Type
Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
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)
DEF Tank only available for EPA Tier 4 engine option.
Cab
Air Conditioning
HFC - 134A refrigerant: 24,300 Btu/h
Heater / Defroster
38900 Btu/h
38900 Btu/h
Note
Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
ROPS Standards (1)
The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.
ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria.
Steering
Steering Angle
40 °
40 °
Turning Diameter - Front
122.7 ft
37.4 m
Steering Standards
ISO 5010:2007
Note
Turning Diameter (ISO 7457:2009)
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
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
Standard Equipment
ELECTRICAL
OPERATOR ENVIRONMENT
POWER TRAIN
OTHER STANDARD EQUIPMENT
ANTIFREEZE