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 770 Off-Highway Truck |
 772 (07) Off-Highway Truck |
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Operating Specifications |
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| Nominal Payload Class (100%) | 42.1 ton (US) | 51.6 ton (US) | - |
| Top Speed - Loaded | 45.8 mile/h | 49.2 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 | 40.8 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. | - | - |
| Maximum Payload Class (110%) | - | 56.7 ton (US) | - |
| Target Payload Capacity | - | 51.6 ton (US) | - |
| Not to Exceed Payload (120%) | - | 61.9 ton (US) | - |
| Body Capacity (SAE 2:1)** | - | 40.8 yd³ | - |
Engine |
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| Engine Model | Cat® C15 | Cat® C18 | - |
| Rated Engine Speed | 1700 r/min | 1700 r/min | - |
| Gross Power - SAE J1995:2014 | 515 hp | 605 hp | - |
| Net Power - SAE J1349:2011 | 477 hp | 550 hp | - |
| Net Power - ISO 9249 | 477 hp | 550 hp | - |
| Net Power - 80/1269/EEC | 489 hp | - | - |
| Net Power - ISO 14396 | 508 hp | - | - |
| Net Torque - SAE J1349 | 1834 ft·lbf | 2221 ft-lb | - |
| Number of Cylinders | 6 | 6 | - |
| Bore | 5.4 in | 5.7 in | - |
| Stroke | 6.7 in | 7.2 in | - |
| Displacement | 927.6 in³ | 1105 in³ | - |
| Note (1) | Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard. | - | - |
| 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). | - | - |
| Note (3) | No engine derating required up to 3000 m (9,843 ft) altitude. | - | - |
| Note (4) | Meets Japan Small Volume Exemption. | - | - |
| Emissions | Meets U.S. EPA Tier 4 and EU Stage V emission standards. | - | - |
| Engine Power - ISO 14396 | - | 598 hp | - |
Weights - Approximate |
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| Target Gross Machine Operating Weight | 157000 lb | 181000 lb | - |
| Target Gross Machine Weight | 157000 lb | 181000 lb | - |
| Chassis Weight | 55948 lb | 59223 lb | - |
| Body Weight | 17306 lb | 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. | - | - |
Transmission |
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| Forward - 1 | 7.4 mile/h | 8 mile/h | - |
| Forward - 2 | 10.1 mile/h | 10.9 mile/h | - |
| Forward - 3 | 13.8 mile/h | 14.8 mile/h | - |
| Forward - 4 | 18.5 mile/h | 19.8 mile/h | - |
| Forward - 5 | 25.1 mile/h | 26.9 mile/h | - |
| Forward - 6 | 33.8 mile/h | 36.2 mile/h | - |
| Forward - 7 | 45.8 mile/h | 49.2 mile/h | - |
| Reverse | 8.8 mile/h | 10.4 mile/h | - |
| Note | Maximum travel speeds with standard 18.00R33 (E4) tires. | - | - |
Final Drives |
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| Differential Ratio | 1.92:1 | 2.74:1 | - |
| Planetary Ratio | 4.80:1 | 4.80:1 | - |
| Total Reduction Ratio | 9.26:1 | 13.14:1 | - |
Brakes |
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| Brake Surface - Front | 216 in² | 216 in² | - |
| Brake Surface - Rear | 6235 in² | 7794 in² | - |
| Brake Standards | ISO 3450:2011 | ISO 3450:2011 | - |
| Note | Target gross machine operating weight is 71 214 kg (157,000 lb). | - | - |
Body Hoists |
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| Pump Flow - High Idle | 118 gal/min | 112 gal/min | - |
| Relief Valve Setting - Raise | 2750 psi | 2750 psi | - |
| Relief Valve Setting - Lower | 500 psi | 500 psi | - |
| Body Raise Time - High Idle | 7.5 s | 8 s | - |
| Body Lower Time - Float | 10 s | 10 s | - |
| Body Power Down - High Idle | 10 s | 10 s | - |
Capacity - Dual Slope - 100% Fill Factor |
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| Struck | 23.01 yd³ | 31.3 yd³ | - |
| Heaped (SAE 2:1)* | 32.9 yd³ | - | - |
| Note (2) | *ISO 6483:1980. | - | - |
| Note (1) | Contact your local Cat dealer for body recommendation. | - | - |
| Heaped 2:1 (SAE) | - | 40.8 yd³ | - |
Capacity - Flat Floor - 100% Fill Factor |
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| Struck | 23.01 yd³ | 31.3 yd³ | - |
| Heaped (SAE 2:1)* | 32.9 yd³ | - | - |
| Note (1) | Contact your local Cat dealer for body recommendation. | - | - |
| Note (2) | *ISO 6483:1980. | - | - |
| Heaped 2:1 (SAE) | - | 40.9 yd³ | - |
Weight Distributions - Approximate |
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| Front Axle - Empty | 49 % | 51.4 % | - |
| Front Axle - Loaded | 34 % | 34.2 % | - |
| Rear Axle - Empty | 51 % | 48.6 % | - |
| Rear Axle - Loaded | 66 % | 65.8 % | - |
Suspension |
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| Empty Loaded Cylinder Stroke Front | 9.2 in | 9.2 in | - |
| Empty Loaded Cylinder Stroke Rear | 5.9 in | 5.8 in | - |
| Rear axle - Oscillation | 8.9 ° | 8.9 ° | - |
Service Refill Capacities |
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| Fuel Tank | 140 gal (US) | 140 gal (US) | - |
| Cooling System | 33 gal (US) | 33 gal (US) | - |
| Crankcase | 17 gal (US) | 17 gal (US) | - |
| Differential - Final Drives | 47 gal (US) | 47 gal (US) | - |
| Steering Tank | 14.5 gal (US) | 14.5 gal (US) | - |
| Steering System - Including Tank | 23 gal (US) | 23 gal (US) | - |
| Brake/Hoist Hydraulic Tank | 38 gal (US) | 38 gal (US) | - |
| Brake Hoist System | 60 gal (US) | 60 gal (US) | - |
| Torque Converter - Transmission System | 17 gal (US) | 17 gal (US) | - |
| DEF Tank | 6 gal (US) | 6 gal (US) | - |
Steering |
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| Steering Standards | ISO 5010:2007 | ISO 5010:2007 | - |
| Steer Angle | 40.5 ° | 40.5 ° | - |
| Turning Diameter - Front | 57.7 ft | 57.7 ft | - |
| Turning Circle - Clearance Diameter | 66.6 ft | 66.6 ft | - |
| Note | Target gross machine operating weight is 71 214 kg (157,000 lb). | - | - |
Tires |
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| Standard Tire | 18.00R33 (E4) | 21.00R33 (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. | - | - |
| Note (2) | Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection. | - | - |
ROPS |
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| ROPS Standards | Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. | ROPS (Rollover Protective Structure) 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. | FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. | - |
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. | 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). | Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 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. | Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. | - |
Dimensions |
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| Height - Top of ROPS | 12.7 ft | 12.8 ft | - |
| Overall Body Length | 26.8 ft | 26.8 ft | - |
| Inside Body Length | 18.5 ft | 19 ft | - |
| Overall Length | 28.9 ft | 28.9 ft | - |
| Wheel Base | 13 ft | 13 ft | - |
| Rear Axle - Tail | 8.5 ft | 9.5 ft | - |
| Ground Clearance | 1.6 ft | 1.6 ft | - |
| Dump Clearance | 1.7 ft | 1.5 ft | - |
| Loading Height - Empty | 10.3 ft | 11.6 ft | - |
| Inside Body Depth - Maximum | 4.6 ft | 5.7 ft | - |
| Overall Height - Body Raised | 27.1 ft | 27.1 ft | - |
| Operating Width | 15.7 ft | 15.7 ft | - |
| Centerline Front Tire Width | 10.2 ft | 10.4 ft | - |
| Engine Guard Clearance | 1.8 ft | 2 ft | - |
| Outside Body Width | 12.9 ft | 12.9 ft | - |
| Inside Body Width | 11.9 ft | 11.9 ft | - |
| Front Canopy Height | 13.5 ft | 13.7 ft | - |
| Rear Axle - Clearance | 1.8 ft | 1.9 ft | - |
| Centerline of Rear Dual Tire Width | 8.3 ft | 8.7 ft | - |
| Overall Tire Width | 12.1 ft | 12.9 ft | - |
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