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 775 Off-Highway Truck |
 770 Off-Highway Truck |
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Operating Specifications |
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| Nominal Payload Class (100%) | 70.5 ton (US) | 42.1 ton (US) | - |
| Top Speed - Loaded | 41.6 mile/h | 45.8 mile/h | - |
| Maximum Working Payload (110%) | 77.5 ton (US) | 46.3 ton (US) | - |
| Target Payload (100%) | 70.5 ton (US) | 42.1 ton (US) | - |
| Maximum Allowable Payload (120%)* | 84.6 ton (US) | 50.5 ton (US) | - |
| Note (2) | * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. | Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight. | - |
| Note (1) | Capacity with Dual Slope body – no liner. | *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. | - |
| Body Capacity - SAE 2:1 | 55.23 yd³ | 32.9 yd³ | - |
Engine |
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| Engine Model | Cat® C27 | Cat® C15 | - |
| Rated Engine Speed | 1800 r/min | 1700 r/min | - |
| Gross Power - SAE J1995:2014 | 825 hp | 515 hp | - |
| Net Power - SAE J1349:2011 | 768 hp | 477 hp | - |
| Net Power - 80/1269/EEC | 775 hp | 489 hp | - |
| Net Power - ISO 9249 | 775 hp | 477 hp | - |
| Bore | 5.4 in | 5.4 in | - |
| Stroke | 6 in | 6.7 in | - |
| Displacement | 1648 in³ | 927.6 in³ | - |
| Engine Power - ISO 14396 | 812 hp | - | - |
| 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). | 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). | - |
| Net Torque | 3148 ft-lb | - | - |
| Peak Torque - Speed | 1200 r/min | - | - |
| Note (1) | Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. | Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard. | - |
| Note (3) | No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. | No engine derating required up to 3000 m (9,843 ft) altitude. | - |
| Emissions | Meets EU Stage V emission standards. | Meets U.S. EPA Tier 4 and EU Stage V emission standards. | - |
| Net Power - ISO 14396 | - | 508 hp | - |
| Net Torque - SAE J1349 | - | 1834 ft·lbf | - |
| Number of Cylinders | - | 6 | - |
| Note (4) | - | Meets Japan Small Volume Exemption. | - |
Capacity - Dual Slope - 100% Fill Factor |
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| Struck | 42.7 yd³ | 23.01 yd³ | - |
| Heaped (SAE 2:1)* | 55.5 yd³ | 32.9 yd³ | - |
| Note (1) | Contact your local Cat dealer for body recommendation. | Contact your local Cat dealer for body recommendation. | - |
| Note (2) | *ISO 6483:1980 | *ISO 6483:1980. | - |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | 42.2 yd³ | 23.01 yd³ | - |
| Heaped (SAE 2:1)* | 55.2 yd³ | 32.9 yd³ | - |
| Note (1) | Contact your local Cat dealer for body recommendation. | Contact your local Cat dealer for body recommendation. | - |
| Note (2) | *ISO 6483:1980 | *ISO 6483:1980. | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 50 % | 49 % | - |
| Front Axle - Loaded | 34 % | 34 % | - |
| Rear Axle - Empty | 50 % | 51 % | - |
| Rear Axle - Loaded | 66 % | 66 % | - |
Transmission |
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| Forward - 1 | 6.6 mile/h | 7.4 mile/h | - |
| Forward - 2 | 9.3 mile/h | 10.1 mile/h | - |
| Forward - 3 | 12.6 mile/h | 13.8 mile/h | - |
| Forward - 4 | 16.8 mile/h | 18.5 mile/h | - |
| Forward - 5 | 22.8 mile/h | 25.1 mile/h | - |
| Forward - 6 | 30.7 mile/h | 33.8 mile/h | - |
| Forward - 7 | 41.6 mile/h | 45.8 mile/h | - |
| Reverse | 8.7 mile/h | 8.8 mile/h | - |
| Note | Maximum travel speeds with standard 24.00R35 (E4) tires. | Maximum travel speeds with standard 18.00R33 (E4) tires. | - |
Final Drives |
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| Differential Ratio | 3.64:1 | 1.92:1 | - |
| Planetary Ratio | 4.80:1 | 4.80:1 | - |
| Total Reduction Ratio | 17.49:1 | 9.26:1 | - |
Brakes |
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| Brake Surface - Front | 257 in² | 216 in² | - |
| Brake Surface - Rear | 9497 in² | 6235 in² | - |
| Brake Standards | ISO 3450:2011 | 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 | 210 gal (US) | 140 gal (US) | - |
| Cooling System | 45 gal (US) | 33 gal (US) | - |
| Differential - Final Drives | 38 gal (US) | 47 gal (US) | - |
| Steering Tank | 9.5 gal (US) | 14.5 gal (US) | - |
| Steering System - Including Tank | 14 gal (US) | 23 gal (US) | - |
| Brake Hoist System | 85 gal (US) | 60 gal (US) | - |
| Torque Converter - Transmission System - LRC | 16 gal (US) | - | - |
| Crankcase | 24 gal (US) | 17 gal (US) | - |
| Brake/Hoist Hydraulic Tank | 46.5 gal (US) | 38 gal (US) | - |
| Torque Converter - Transmission System - HRC | 18 gal (US) | - | - |
| Torque Converter - Transmission System | - | 17 gal (US) | - |
| DEF Tank | - | 6 gal (US) | - |
Body Hoists |
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| Pump Flow - High Idle | 118 gal/min | 118 gal/min | - |
| Relief Valve Setting - Raise | 2502 psi | 2750 psi | - |
| Relief Valve Setting - Lower | 500 psi | 500 psi | - |
| Body Raise Time - High Idle | 10 s | 7.5 s | - |
| Body Lower Time - Float | 14 s | 10 s | - |
| Body Power Down - High Idle | 14 s | 10 s | - |
Weights - Approximate |
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| Maximum Gross Vehicle Weight | 246503 lb | - | - |
| Target Gross Machine Operating Weight | - | 157000 lb | - |
| Target Gross Machine Weight | - | 157000 lb | - |
| Chassis Weight | - | 55948 lb | - |
| Body Weight | - | 17306 lb | - |
| Note (1) | - | Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. | - |
| Note (2) | - | Body weight is the standard Dual Slope body with no liner and will vary depending on configuration. | - |
Suspension |
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| Empty Loaded Cylinder Stroke Front | 9.2 in | 9.2 in | - |
| Rear Axle - Oscillation | 8.1° | - | - |
| Empty Loaded Cylinder Stroke Rear | 5.8 in | 5.9 in | - |
| Rear axle - Oscillation | - | 8.9 ° | - |
Tires |
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| Note (2) | Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. | Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection. | - |
| Note (1) | 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. | 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. | - |
| Standard Tire | 24.00R35 (E4) | 18.00R33 (E4) | - |
ROPS |
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| FOPS Standards | Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. | Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. | - |
| ROPS Standards | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | - |
Sound |
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| Sound Standards (1) | 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 | Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. | - |
| Sound Standards (2) | 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). | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). | - |
| 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. | Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used. | - |
Steering |
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| Turning Diameter - Front | 77.1 ft | 57.7 ft | - |
| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | - |
| Steer Angle | 31 ° | 40.5 ° | - |
| Turning Circle - Clearance Diameter | 85.6 ft | 66.6 ft | - |
| Note | - | Target gross machine operating weight is 71 214 kg (157,000 lb). | - |
Sustainability |
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| Recyclability | 98% | - | - |
Dimensions |
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| Height - Top of ROPS | - | 12.7 ft | - |
| Overall Body Length | - | 26.8 ft | - |
| Inside Body Length | - | 18.5 ft | - |
| Overall Length | - | 28.9 ft | - |
| Wheel Base | - | 13 ft | - |
| Rear Axle - Tail | - | 8.5 ft | - |
| Ground Clearance | - | 1.6 ft | - |
| Dump Clearance | - | 1.7 ft | - |
| Loading Height - Empty | - | 10.3 ft | - |
| Inside Body Depth - Maximum | - | 4.6 ft | - |
| Overall Height - Body Raised | - | 27.1 ft | - |
| Operating Width | - | 15.7 ft | - |
| Centerline Front Tire Width | - | 10.2 ft | - |
| Engine Guard Clearance | - | 1.8 ft | - |
| Outside Body Width | - | 12.9 ft | - |
| Inside Body Width | - | 11.9 ft | - |
| Front Canopy Height | - | 13.5 ft | - |
| Rear Axle - Clearance | - | 1.8 ft | - |
| Centerline of Rear Dual Tire Width | - | 8.3 ft | - |
| Overall Tire Width | - | 12.1 ft | - |
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