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797F Mining Truck

Weights - Approximate

Nominal Rated Payload 327 ton (US) 256 ton (US) - - - 400 ton (US)
Rated Gross Machine Weight 1150000 lb 851000 lb - - - 1375000 lb
Chassis Weight 426237 lb 265639 lb - - - 474472 lb
Body Weight 64346 lb 67682 lb - - - 94799 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
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 & mandatory attachments, hoist, body mounting group, rims, and tires.
Note (3) Refer to 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 for maximum gross machine weight limitations. - - - -
Note (4) Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg) - - - - Tier 4 Chassis Weight: 486263 lb (220565 kg)
Maximum Gross Vehicle Weight - - - 246503 lb - -

Engine

Gross Power - SAE J1995 3500 hp 2650 hp 825 hp - 605 hp 4000 hp
Standard Gross Power - SAE J1995 3500 hp - - - - -
Engine Model Cat® C175-16 Cat® C175-16 Cat® C27 Cat® C27 Cat® C18 Cat® C175-20
Optional Gross Power - SAE J1995 3100 hp - - - - -
Optional Gross Power - SAE J1995 (Option 2) 2750 hp - - - - -
Rated Speed 1800 r/min 1750 r/min - - - 1750 r/min
Net Power - SAE J1349 3405 hp 2478 hp - - - 3795 hp
Emissions Rating Fuel Optimized - - - - -
Bore 6.9 in 6.9 in 5.4 in 5.4 in 5.7 in 6.9 in
Stroke 8.7 in 8.7 in 6 in 6 in 7.2 in 8.7 in
Displacement 5187 in³ 5187 in³ 1648 in³ 1648 in³ 1105 in³ 6469 in³
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. - Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. - 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. EPA Tier 4 Final / EU Stage V available for applicable markets. - Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). - U.S. EPA Tier 4 Final available for applicable markets.
Note (3) Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW) - - No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. - High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
Emissions - Fuel Optimized - Meets EU Stage V emission standards. - 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.
Rated Net Power - SAE J1349 - - 683 hp - 550 hp -
Note - - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Specifications shown are for LRC model. - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. -
Rated Engine Speed - - - 1800 r/min 1700 r/min -
Gross Power - SAE J1995:2014 - - - 825 hp - -
Net Power - SAE J1349:2011 - - - 768 hp - -
Net Power - 80/1269/EEC - - - 775 hp - -
Net Power - ISO 9249 - - - 775 hp - -
Engine Power - ISO 14396 - - - 812 hp - -
Net Torque - - - 3148 ft-lb - -
Peak Torque - Speed - - - 1200 r/min - -
Number of Cylinders - - - - 6 -

Final Drives

Total Reduction Ratio 35:01:00 26.8:1 - 17.49:1 - 21.26:1
Differential Ratio - 1.8:1 - 3.64:1 - 1.276:1
Planetary Ratio - 16:01 - 4.80:1 - 16.67:1
Type - - - - - Double reduction, planetary with full floating axles.
Note - - - - - Double reduction, planetary with full floating axles.

Tires

Standard Tires 53/80 R63 40.00 R57 - - - -
Rims 36" x 63" 29" or 32" - - - 44 x 63
Note (1) Quick Change Rims optional. Extended life wheel stations optional. - Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. - Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
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 the tire manufacturer for proper tire selection. - -
Note - Quick Change Rims optional. - - - Quick Change Rims optional.
Standard Tire - - - 24.00R35 (E4) - -
Tires - - - - - 59/80 R63

AC Drive System

Total Reduction Ratio 35:01:00 - - - - -
Top Speed - Loaded 37 mile/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 - - - - -

Braking System

Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated - - - Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 20378 in² 13921 in³ - - - 20500 in²
Rear - Wet Disc Brake Surface Area 30750 in² 20847 in³ - - - 30750 in²
Standards ISO 3450:2011 (Service and Secondary): ISO 3450:1996 - - - Service and Secondary: ISO 3450:2011
Parking Brake 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
Dynamic Retarding Power - Continuous 5480 hp - - - - -
Parking Brakes - Four-corner, Multi-disc, Spring Applied, Hydraulically Released - - - -
Note - Anti-Lock Brake System (ABS) optional with CMD package - - - Anti-Lock Brake System (ABS) optional with CMD package

Weight Distributions - Approximate

Front Axle - Empty 49 % 48 % - 50 % - 47.20%
Rear Axle - Empty 51 % 52 % - 50 % - 52.80%
Front Axle - Loaded 33 % 33 % - 34 % - 33.30%
Rear Axle - Loaded 67 % 67 % - 66 % - 66.70%
Note - - - - - Weight distributions optimized with Cat body.

Body Hoists

Pump Flow - High Idle (HAA at 1,800 rpm) 221 gal/min - - - - -
Pump Flow - High Idle (LAA at 1,960 rpm) 240 gal/min - - - - -
Relief Valve Setting - Raise 3029 psi 2955 psi - 2502 psi - 3510 psi
Body Raise Time - High Idle 24 s 19 s - 10 s - 25 s
High Idle Body Lower Time - Float 20 s - - - - -
Total Cycle Time 44 s - - - - -
Note (1) Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages. - - - - -
Note (2) Power raise in both stages; power down in both stages possible. - - - - -
Note (3) Automatic body-lower modulation reduces impact on frame. - - - - -
Type - Twin, two-stage hydraulic cylinders with snubbing valve - - - Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle - 224 gal/min - 118 gal/min - 317 gal/min
Body Lower Time - Float - 20 s - 14 s - 18 s
Body Power Down - High Idle - 17.5 s - 14 s - -
Relief Valve Setting - Lower - - - 500 psi - -
Body Power Down- High Idle - - - - - 18 s

Capacity - HE Body - 100% fill factor

Struck 108-133 m³ (142-175 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 - - - - -
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate 0.35 in - - - - -
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate 0.31 in - - - - -
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate 0.2 in - - - - -
Note Contact your local Cat dealer for body recommendations. - - - - -

Service Refill Capacities

Fuel Tank 1300 gal (US) 750 gal (US) - 210 gal (US) - 1000 gal (US)
Cooling System 211 gal (US) 284 gal (US) 45 gal (US) 45 gal (US) 33 gal (US) 306 gal (US)
Crankcase 82 gal (US) 82 gal (US) 24 gal (US) 24 gal (US) 17 gal (US) 103 gal (US)
Final Drive - Each 67 gal (US) - - - - -
Hydraulic Tank 296 gal (US) - - - - -
Hydraulic System - Including Tank 385 gal (US) - - - - -
Diesel Exhaust Fluid Tank 100 gal (US) 62 gal (US) - - - 100 gal (US)
Note (1) DEF Tank only available for EPA Tier 4 / EU Stage V engine option. DEF Tank only available for EPA Tier 4 engine option. - - - DEF Tank only available for EPA Tier 4 engine option.
Fuel Tank - Optional - 1300 gal (US) - - - -
Rear Axle - Housing - 260 gal (US) - - - -
Steering System - Including Tank - 77 gal (US) 14 gal (US) 14 gal (US) 60 gal (US) 95 gal (US)
Brake Hoist System - Includes Tank - 347 gal (US) - - - 489 gal (US)
Torque Converter - Transmission Sump - 27 gal (US) - - - -
Torque Converter/Transmission System - Including Sump - 55 gal (US) - - - 166 gal (US)
Fuel Tank Capacity - - 210 gal (US) - 140 gal (US) -
Differential - Final Drives - - 38 gal (US) 38 gal (US) 47 gal (US) -
Brake/Hoist Hydraulic Tank - - 46.5 gal (US) 46.5 gal (US) 38 gal (US) -
Brake Hoist System - - 85 gal (US) 85 gal (US) 60 gal (US) -
Steering Tank - - - 9.5 gal (US) - 67 gal (US)
Torque Converter - Transmission System - LRC - - - 16 gal (US) - -
Torque Converter - Transmission System - HRC - - - 18 gal (US) - -
Torque Converter - Transmission System - - - - 17 gal (US) -
Fuel Tank (Tier 4) - - - - - 1200 gal (US)
Front Wheels - Each - - - - - 16 gal (US)
Differentials - - - - - 330 gal (US)
Brake/Hoist Tank - - - - - 203 gal (US)
Torque Converter Sump - - - - - 80 gal (US)

Dimensions (Approximate)

Height - Top of ROPS 22.25 ft - - - - -
Overall Length 50.75 ft - - - - -
Wheel Base 21.83 ft - - - - -
Rear Axle - Tail 15.5 ft - - - - -
Ground Clearance 2.67 ft - - - - -
Dump Clearance 3 ft - - - - -
Loading Height - Empty 22.92 ft - - - - -
Overall Height - Body Raised 48.42 ft - - - - -
Centerline Front Tire Width 23 ft - - - - -
Front Axle Clearance 3.17 ft - - - - -
Canopy Width (without optional rock deflectors) 29.75 ft - - - - -
Outside Body Width 29.75 ft - - - - -
Inside Body Width 28.08 ft - - - - -
Front Canopy Height 26.33 ft - - - - -
Rear Axle - Clearance 3.08 ft - - - - -
Centerline of Rear Dual Tire Width 18.75 ft - - - - -
Overall Tire Width 28.67 ft - - - - -
Overall Canopy Width 31.5 ft - - - - -

Cab

ROPS Standards (1) Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer. The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396. - - - -
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 3449:1992 Level II criteria. - - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria and ISO 13459:2012 Level II
Air Conditioning - Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr - - - 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. - - - Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
ROPS Standards (2) - ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. - - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria and ISO 13459:2012

Sound

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. 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. - The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t - -
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. - - The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). - Operator sound pressure level, 78 dB(A), is tested to ISO 6394:2008 and ISO 6396:2008
Sound Standards - The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed. - - - -
Sound Standards (3) - - - 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

Steering Standards ISO 5010:2019 SAE J15111 OCT90, ISO 5010:1992 ISO 5010:2007 ISO 5010:2007 ISO 5010:2007 ISO 5010:2019
Note Gross Machine Operating Weight is 521 631 kg (1,150,000 lb). - - - - Turning Diameter (ISO 7457:2009)
Steer Angle 39 ° 36 ° 31 ° 31 ° 31 ° -
Turning Diameter - Front - 93.2 ft - 77.1 ft - 122.7 ft
Turning Diameter - - 77.1 ft - 57.7 ft -
Turning Circle - Clearance Diameter - - 85.6 ft 85.6 ft 66.6 ft -
Steering Angle - - - - - 40 °

Capacity - HP Body - 100% Fill Factor

Note (1) - Contact your local Cat dealer for body recommendation. - - - Consult your local Cat dealer for body recommendations.
Struck - 112.6-151 m³ (147-197.5 yd³) - - - 225 yd³ / 172 m³
Heaped (SAE 2:1)* - 162-191 m³ (212-250 yd³) - - - 330 yd³ / 252 m³
Note (2) - *ISO 6483:1980 - - - -

Suspension

Type - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments - - - Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front - 5.1 in - - - 3.9 in
Effective Cylinder Stroke - Rear - 4.2 in - - - 3.7 in
Rear axle - Oscillation - ±4.9 degrees - - - ±3.96 degrees
Empty Loaded Cylinder Stroke Front - - - 9.2 in - -
Rear Axle - Oscillation - - - 8.1° - -
Empty Loaded Cylinder Stroke Rear - - - 5.8 in - -

Transmission

Forward - 1 - 8 mile/h 6.6 mile/h 6.6 mile/h 8 mile/h 6.6 mile/h
Forward - 2 - 10.8 mile/h 9.3 mile/h 9.3 mile/h 10.9 mile/h 8.9 mile/h
Forward - 3 - 14.8 mile/h 12.6 mile/h 12.6 mile/h 14.8 mile/h 12 mile/h
Forward - 4 - 19.9 mile/h 16.8 mile/h 16.8 mile/h 19.8 mile/h 16.2 mile/h
Forward - 5 - 27.1 mile/h 22.8 mile/h 22.8 mile/h 26.9 mile/h 21.8 mile/h
Forward - 6 - 37.3 mile/h 30.7 mile/h 30.7 mile/h 36.2 mile/h 29.4 mile/h
Reverse - 7.3 mile/h 8.7 mile/h 8.7 mile/h 10.4 mile/h 7.4 mile/h
Top Speed - Loaded - 37.3 mile/h - - - 39.5 mile/h
Forward - 7 - - 41.6 mile/h 41.6 mile/h 49.2 mile/h 39.5 mile/h
Note - - Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 21.00R33 (E4) tires. -

Brakes

Brake Surface - Front - 13921 in² 257 in² 257 in² 216 in² -
Brake Surface - Rear - 20847 in² 9497 in² 9497 in² 7794 in² -
Standards - J-ISO 3450 JAN88, ISO 3450:1996 - - - -
Brake Standards - - - ISO 3450:2011 - -

Capacity - MSD II - 100% Fill Factor

Note - Contact your local Cat dealer for body recommendation. - - - -
Struck - 112-142 m³ (146-186 yd³) - - - -
Heaped (SAE 2:1) - 159-190 m3 (209-250 yd3) - - - -

ROPS

FOPS Standards - FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. - Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. - -
Tractor ROPS - - 85288 lb - 77430 lb -
ROPS Standards - - - Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. - -

Weights

LRC Bare Chassis Weight without Hoist - - 75118 lb - 58414 lb -
LRC Bare Chassis Weight with Hoist - - 76326 lb - 59223 lb -
LRC Gross Vehicle Weight (Target) without Hoist - - 246503 lb - 180999 lb -
LRC Gross Vehicle Weight (Target) with Hoist - - 246503 lb - 180999 lb -
HRC Bare Chassis Weight without Hoist - - 76573 lb - 59567 lb -
HRC Bare Chassis Weight with Hoist - - 77781 lb - 60376 lb -
HRC Gross Vehicle Weight (Target) without Hoist - - 246503 lb - 180999 lb -
HRC Gross Vehicle Weight (Target) with Hoist - - 246503 lb - 180999 lb -
Note - - LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. - LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. -

Operating Specifications

Nominal Water Tank Capacity - - 15000 gal (US) - 11000 gal (US) -
Nominal Payload Class (100%) - - - 70.5 ton (US) - -
Top Speed - Loaded - - - 41.6 mile/h - -
Maximum Working Payload (110%) - - - 77.5 ton (US) - -
Target Payload (100%) - - - 70.5 ton (US) - -
Maximum Allowable Payload (120%)* - - - 84.6 ton (US) - -
Note (2) - - - * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. - -
Note (1) - - - Capacity with Dual Slope body – no liner. - -
Body Capacity - SAE 2:1 - - - 55.23 yd³ - -

Capacity - Dual Slope - 100% Fill Factor

Struck - - - 42.7 yd³ - -
Heaped (SAE 2:1)* - - - 55.5 yd³ - -
Note (1) - - - Contact your local Cat dealer for body recommendation. - -
Note (2) - - - *ISO 6483:1980 - -

Capacity - Flat Floor - 100% Fill Factor

Struck - - - 42.2 yd³ - -
Heaped (SAE 2:1)* - - - 55.2 yd³ - -
Note (1) - - - Contact your local Cat dealer for body recommendation. - -
Note (2) - - - *ISO 6483:1980 - -

Sustainability

Recyclability - - - 98% - -

Dimensions

Rear Axle - Clearance - Loaded - - - - - 3.08 ft
Inside Body Depth - Maximum - - - - - 11 ft
Overall Height - Body Raised - - - - - 51.5 ft
Loaded Ground Clearance - - - - - 2.58 ft
Loading Height - Empty - - - - - 23 ft
Engine Guard Clearance - Loaded - - - - - 3.33 ft
Height - Top of ROPS - Empty - - - - - 21.4 ft
Front Canopy Height - Empty - - - - - 25.33 ft
Overall Body Length - - - - - 48.6 ft
Inside Body Length - - - - - 32.75 ft
Overall Length - - - - - 49.5 ft
Wheel Base - - - - - 23.58 ft
Rear Axle - Tail - - - - - 12.9 ft
Dump Clearance - - - - - 6.58 ft
Centerline Front Tire Width - - - - - 21.41 ft
Overall Canopy Width - - - - - 29.91 ft
Outside Body Width - - - - - 32 ft
Inside Body Width - - - - - 27.91 ft
Centerline of Rear Dual Tire Width - - - - - 20.41 ft
Overall Tire Width - - - - - 31.25 ft
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