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 775G Off-Highway Truck |
 770 Off-Highway Truck |
 797F Mining Truck |
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Weights |
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| LRC Bare Chassis Weight without Hoist | 75118 lb | - | - |
| LRC Bare Chassis Weight with Hoist | 76326 lb | - | - |
| LRC Gross Vehicle Weight (Target) without Hoist | 246503 lb | - | - |
| LRC Gross Vehicle Weight (Target) with Hoist | 246503 lb | - | - |
| HRC Bare Chassis Weight without Hoist | 76573 lb | - | - |
| HRC Bare Chassis Weight with Hoist | 77781 lb | - | - |
| HRC Gross Vehicle Weight (Target) without Hoist | 246503 lb | - | - |
| HRC Gross Vehicle Weight (Target) with Hoist | 246503 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. | - | - |
ROPS |
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| Tractor ROPS | 85288 lb | - | - |
| ROPS Standards | - | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | - |
| FOPS Standards | - | Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. | - |
Operating Specifications |
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| Nominal Water Tank Capacity | 15000 gal (US) | - | - |
| Nominal Payload Class (100%) | - | 42.1 ton (US) | - |
| Top Speed - Loaded | - | 45.8 mile/h | - |
| Target Payload (100%) | - | 42.1 ton (US) | - |
| Maximum Working Payload (110%) | - | 46.3 ton (US) | - |
| Maximum Allowable Payload (120%)* | - | 50.5 ton (US) | - |
| Body Capacity - SAE 2:1 | - | 32.9 yd³ | - |
| Note (1) | - | *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. | - |
| Note (2) | - | Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight. | - |
Steering |
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| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | ISO 5010:2007 |
| Steer Angle | 31 ° | 40.5 ° | - |
| Turning Diameter | 77.1 ft | - | - |
| Turning Circle - Clearance Diameter | 85.6 ft | 66.6 ft | - |
| Turning Diameter - Front | - | 57.7 ft | 122.7 ft |
| Note | - | Target gross machine operating weight is 71 214 kg (157,000 lb). | Turning Diameter (ISO 7457:2009) |
| Steering Angle | - | - | 40 ° |
Engine |
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| Engine Model | Cat® C27 | Cat® C15 | Cat® C175-20 |
| Gross Power - SAE J1995 | 825 HP | 515 HP | - |
| Rated Net Power - SAE J1349 | 683 HP | - | - |
| Bore | 5.4 in | 5.4 in | - |
| Stroke | 6 in | 6.7 in | - |
| Displacement | 1648 in³ | 927.6 in³ | 6469 in³ |
| 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. | - | - |
| Rated Engine Speed | - | 1700 r/min | - |
| Net Power - SAE J1349 | - | 477 HP | - |
| Net Power - ISO 9249 | - | 477 HP | - |
| Net Power - 80/1269/EEC | - | 489 HP | - |
| Net Power - ISO 14396 | - | 508 HP | - |
| Net Torque - SAE J1349 | - | 1834 ft·lbf | - |
| Number of Cylinders | - | 6 | - |
| Note (1) | - | Power rating applies at 1,700 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) | - | 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) | - | No engine derating required up to 3000 m (9,843 ft) altitude. | High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. |
| Note (4) | - | Meets Japan Small Volume Exemption. | - |
| Emissions | - | Meets U.S. EPA Tier 4 and 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 Speed | - | - | 1750 r/min |
Transmission |
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| Forward - 1 | 6.6 mile/h | 7.4 mile/h | 6.6 mile/h |
| Forward - 2 | 9.3 mile/h | 10.1 mile/h | 8.9 mile/h |
| Forward - 3 | 12.6 mile/h | 13.8 mile/h | 12 mile/h |
| Forward - 4 | 16.8 mile/h | 18.5 mile/h | 16.2 mile/h |
| Forward - 5 | 22.8 mile/h | 25.1 mile/h | - |
| Forward - 6 | 30.7 mile/h | 33.8 mile/h | 29.4 mile/h |
| Forward - 7 | 41.6 mile/h | 45.8 mile/h | 39.5 mile/h |
| Reverse | 8.7 mile/h | 8.8 mile/h | 7.4 mile/h |
| Note | Maximum travel speeds with standard 24.00R35 (E4) tires | Maximum travel speeds with standard 18.00R33 (E4) tires. | - |
| Top Speed - Loaded | - | - | 39.5 mile/h |
Brakes |
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| Brake Surface - Front | 257 in² | 216 in² | - |
| Brake Surface - Rear | 9497 in² | 6235 in² | - |
| Brake Standards | - | ISO 3450:2011 | - |
| Note | - | Target gross machine operating weight is 71 214 kg (157,000 lb). | - |
Service Refill Capacities |
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| Fuel Tank Capacity | 210 gal (US) | - | - |
| Cooling System | 45 gal (US) | 33 gal (US) | 306 gal (US) |
| Crankcase | 24 gal (US) | 17 gal (US) | 103 gal (US) |
| Differential - Final Drives | 38 gal (US) | 47 gal (US) | - |
| Steering System - Including Tank | 14 gal (US) | 23 gal (US) | 95 gal (US) |
| Brake/Hoist Hydraulic Tank | 46.5 gal (US) | 38 gal (US) | - |
| Brake Hoist System | 85 gal (US) | 60 gal (US) | - |
| Fuel Tank | - | 140 gal (US) | 1000 gal (US) |
| Steering Tank | - | 14.5 gal (US) | 67 gal (US) |
| Torque Converter - Transmission System | - | 17 gal (US) | - |
| DEF Tank | - | 6 gal (US) | - |
| Fuel Tank (Tier 4) | - | - | 1200 gal (US) |
| Diesel Exhaust Fluid Tank | - | - | 100 gal (US) |
| Front Wheels - Each | - | - | 16 gal (US) |
| Differentials | - | - | 330 gal (US) |
| Brake/Hoist Tank | - | - | 203 gal (US) |
| Brake Hoist System - Includes Tank | - | - | 489 gal (US) |
| Torque Converter Sump | - | - | 80 gal (US) |
| Torque Converter/Transmission System - Including Sump | - | - | 166 gal (US) |
| Note (1) | - | - | DEF Tank only available for EPA Tier 4 engine option. |
Weights - Approximate |
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| Target Gross Machine Operating Weight | - | 157000 lb | - |
| Target Gross Machine Weight | - | 157000 lb | - |
| Chassis Weight | - | 55948 lb | 474472 lb |
| Body Weight | - | 17306 lb | 94799 lb |
| Note (1) | - | Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. | Consult your tire manufacturer for maximum tire load |
| Note (2) | - | Body weight is the standard Dual Slope body with no liner and will vary depending on configuration. | Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. |
| Nominal Rated Payload | - | - | 400 ton (US) |
| Rated Gross Machine Weight | - | - | 1375000 lb |
| Note (4) | - | - | Tier 4 Chassis Weight: 486263 lb (220565 kg) |
Final Drives |
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| Differential Ratio | - | 1.92:1 | 1.276:1 |
| Planetary Ratio | - | 4.80:1 | 16.67:1 |
| Total Reduction Ratio | - | 9.26:1 | 21.26:1 |
| Type | - | - | Double reduction, planetary with full floating axles. |
| Note | - | - | Double reduction, planetary with full floating axles. |
Body Hoists |
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| Pump Flow - High Idle | - | 118 gal/min | 317 gal/min |
| Relief Valve Setting - Raise | - | 2750 psi | 3510 psi |
| Relief Valve Setting - Lower | - | 500 psi | - |
| Body Raise Time - High Idle | - | 7.5 s | 25 s |
| Body Lower Time - Float | - | 10 s | 18 s |
| Body Power Down - High Idle | - | 10 s | - |
| Type | - | - | Twin, two-stage hydraulic cylinders with snubbing valve. |
| Body Power Down- High Idle | - | - | 18 s |
Capacity - Dual Slope - 100% Fill Factor |
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| Struck | - | 23.01 yd³ | - |
| Heaped (SAE 2:1)* | - | 32.9 yd³ | - |
| Note (2) | - | *ISO 6483:1980. | - |
| Note (1) | - | Contact your local Cat dealer for body recommendation. | - |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | - | 23.01 yd³ | - |
| Heaped (SAE 2:1)* | - | 32.9 yd³ | - |
| Note (1) | - | Contact your local Cat dealer for body recommendation. | - |
| Note (2) | - | *ISO 6483:1980. | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | - | 49 % | 47.20% |
| Front Axle - Loaded | - | 34 % | 33.30% |
| Rear Axle - Empty | - | 51 % | 52.80% |
| Rear Axle - Loaded | - | 66 % | 66.70% |
| Note | - | - | Weight distributions optimized with Cat body. |
Suspension |
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| Empty Loaded Cylinder Stroke Front | - | 9.2 in | - |
| Empty Loaded Cylinder Stroke Rear | - | 5.9 in | - |
| Rear axle - Oscillation | - | 8.9 ° | ±3.96 degrees |
| 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 |
| Effective Cylinder Stroke - Rear | - | - | 3.7 in |
Tires |
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| Standard Tire | - | 18.00R33 (E4) | - |
| Note (1) | - | Productive capabilities of the 770G 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 evaluates all job conditions and consults the tire manufacturer for proper tire selection. | - |
| Tires | - | - | 59/80 R63 |
| Rims | - | - | 44" x 63" |
| Note | - | - | Quick Change Rims optional. |
Sound |
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| Sound Standards (1) | - | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. | - |
| Sound Standards (2) | - | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). | - |
| Sound Standards (3) | - | Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used. | - |
Dimensions |
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| Height - Top of ROPS | - | 12.7 ft | - |
| Overall Body Length | - | 26.8 ft | 48.6 ft |
| Inside Body Length | - | 18.5 ft | 32.75 ft |
| Overall Length | - | 28.9 in | 49.5 ft |
| Wheel Base | - | 13 ft | - |
| Rear Axle - Tail | - | 8.5 ft | 12.9 ft |
| Ground Clearance | - | 1.6 in | - |
| Dump Clearance | - | 1.7 ft | 6.58 ft |
| Loading Height - Empty | - | 10.3 ft | 23 ft |
| Inside Body Depth - Maximum | - | 4.6 ft | 11 ft |
| Overall Height - Body Raised | - | 27.1 ft | 51.5 ft |
| Operating Width | - | 15.7 ft | - |
| Centerline Front Tire Width | - | 10.2 ft | 21.41 ft |
| Engine Guard Clearance | - | 1.8 ft | - |
| Outside Body Width | - | 12.9 ft | 32 ft |
| Inside Body Width | - | 11.9 ft | 27.91 ft |
| Front Canopy Height | - | 13.5 ft | - |
| Rear Axle - Clearance | - | 1.8 ft | - |
| Centerline of Rear Dual Tire Width | - | 8.3 ft | 20.41 ft |
| Overall Tire Width | - | 12.1 ft | 31.25 ft |
| Rear Axle - Clearance - Loaded | - | - | 3.08 ft |
| Loaded Ground Clearance | - | - | 2.58 ft |
| Engine Guard Clearance - Loaded | - | - | 3.33 ft |
| Height - Top of ROPS - Empty | - | - | 21.4 ft |
| Front Canopy Height - Empty | - | - | 25.33 ft |
| Overall Canopy Width | - | - | 29.91 ft |
Braking System |
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| Service Brakes | - | - | Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
| Front Wet Disc Brake Surface Area | - | - | 20500 in² |
| Rear - Wet Disc Brake Surface Area | - | - | 30750 in² |
| Standards | - | - | Service and Secondary: ISO 3450:2011 |
| Parking Brake | - | - | Four-corner, Multi-disc, 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 |
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| Struck | - | - | 225 yd³ / 172 m³ |
| Heaped (SAE 2:1)* | - | - | 330 yd³ / 252 m³ |
| Note (1) | - | - | Consult your local Cat dealer for body recommendations. |
Cab |
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| Air Conditioning | - | - | HFC - 134A refrigerant: 24,300 Btu/h |
| Heater / Defroster | - | - | 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 3471:1994 criteria. |
| FOPS Standards | - | - | FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. |
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