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772 (07) Off-Highway Truck
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Weights |
| LRC Bare Chassis Weight without Hoist |
75118 lb |
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| LRC Bare Chassis Weight with Hoist |
76326 lb |
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| LRC Gross Vehicle Weight (Target) without Hoist |
246503 lb |
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| LRC Gross Vehicle Weight (Target) with Hoist |
246503 lb |
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| HRC Bare Chassis Weight without Hoist |
76573 lb |
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| HRC Bare Chassis Weight with Hoist |
77781 lb |
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| HRC Gross Vehicle Weight (Target) without Hoist |
246503 lb |
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| HRC Gross Vehicle Weight (Target) with Hoist |
246503 lb |
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| 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. |
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ROPS |
| Tractor ROPS |
85288 lb |
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| FOPS Standards |
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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. |
| ROPS Standards |
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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. |
Operating Specifications |
| Nominal Water Tank Capacity |
15000 gal (US) |
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| Nominal Payload Class (100%) |
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70.5 ton (US) |
51.6 ton (US) |
| Top Speed - Loaded |
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41.6 mile/h |
49.2 mile/h |
| Maximum Working Payload (110%) |
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77.5 ton (US) |
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| Target Payload (100%) |
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70.5 ton (US) |
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| Maximum Allowable Payload (120%)* |
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84.6 ton (US) |
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| Note (2) |
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* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
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| Note (1) |
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Capacity with Dual Slope body – no liner. |
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| Body Capacity - SAE 2:1 |
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55.23 yd³ |
40.8 yd³ |
| Maximum Payload Class (110%) |
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56.7 ton (US) |
| Target Payload Capacity |
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51.6 ton (US) |
| Not to Exceed Payload (120%) |
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61.9 ton (US) |
| Body Capacity (SAE 2:1)** |
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40.8 yd³ |
Steering |
| Steering Standards |
ISO 5010:2007 |
ISO 5010:2007 |
ISO 5010:2007 |
| Steer Angle |
31 ° |
31 ° |
40.5 ° |
| Turning Diameter |
77.1 ft |
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| Turning Circle - Clearance Diameter |
85.6 ft |
85.6 ft |
66.6 ft |
| Turning Diameter - Front |
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77.1 ft |
57.7 ft |
Engine |
| Engine Model |
Cat® C27 |
Cat® C27 |
Cat® C18 |
| Gross Power - SAE J1995 |
825 HP |
825 HP |
605 HP |
| Rated Net Power - SAE J1349 |
683 HP |
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| Bore |
5.4 in |
5.4 in |
5.7 in |
| Stroke |
6 in |
6 in |
7.2 in |
| Displacement |
1648 in³ |
1648 in³ |
1105 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. |
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| Rated Engine Speed |
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1800 r/min |
1700 r/min |
| Net Power - SAE J1349 |
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768 HP |
550 HP |
| Net Power - 80/1269/EEC |
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775 HP |
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| Net Power - ISO 9249 |
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775 HP |
550 HP |
| Engine Power - ISO 14396 |
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812 HP |
598 HP |
| Note (2) |
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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). |
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| Net Torque |
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3148 ft-lb |
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| Peak Torque - Speed |
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1200 r/min |
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| Note (1) |
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Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. |
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| Note (3) |
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No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. |
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| Emissions |
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Meets EU Stage V emission standards. |
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| Number of Cylinders |
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6 |
| Net Torque - SAE J1349 |
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2221 ft-lb |
Transmission |
| Forward - 1 |
6.6 mile/h |
6.6 mile/h |
8 mile/h |
| Forward - 2 |
9.3 mile/h |
9.3 mile/h |
10.9 mile/h |
| Forward - 3 |
12.6 mile/h |
12.6 mile/h |
14.8 mile/h |
| Forward - 4 |
16.8 mile/h |
16.8 mile/h |
19.8 mile/h |
| Forward - 5 |
22.8 mile/h |
22.8 mile/h |
26.9 mile/h |
| Forward - 6 |
30.7 mile/h |
30.7 mile/h |
36.2 mile/h |
| Forward - 7 |
41.6 mile/h |
41.6 mile/h |
49.2 mile/h |
| Reverse |
8.7 mile/h |
8.7 mile/h |
10.4 mile/h |
| Note |
Maximum travel speeds with standard 24.00R35 (E4) tires |
Maximum travel speeds with standard 24.00R35 (E4) tires. |
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Brakes |
| Brake Surface - Front |
257 in² |
257 in² |
216 in² |
| Brake Surface - Rear |
9497 in² |
9497 in² |
7794 in² |
| Brake Standards |
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ISO 3450:2011 |
ISO 3450:1996 |
Service Refill Capacities |
| Fuel Tank Capacity |
210 gal (US) |
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| Cooling System |
45 gal (US) |
45 gal (US) |
33 gal (US) |
| Crankcase |
24 gal (US) |
24 gal (US) |
17 gal (US) |
| Differential - Final Drives |
38 gal (US) |
38 gal (US) |
47 gal (US) |
| Steering System - Including Tank |
14 gal (US) |
14 gal (US) |
23 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) |
| Fuel Tank |
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210 gal (US) |
140 gal (US) |
| Steering Tank |
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9.5 gal (US) |
14.5 gal (US) |
| Torque Converter - Transmission System - LRC |
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16 gal (US) |
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| Torque Converter - Transmission System - HRC |
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18 gal (US) |
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| Torque Converter - Transmission System |
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17 gal (US) |
| DEF Tank |
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6 gal (US) |
Capacity - Dual Slope - 100% Fill Factor |
| Struck |
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42.7 yd³ |
31.3 yd³ |
| Heaped (SAE 2:1)* |
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55.5 yd³ |
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| Note (1) |
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Contact your local Cat dealer for body recommendation. |
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| Note (2) |
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*ISO 6483:1980 |
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| Heaped 2:1 (SAE) |
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40.8 yd³ |
Capacity - Flat Floor - 100% Fill Factor |
| Struck |
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42.2 yd³ |
31.3 yd³ |
| Heaped (SAE 2:1)* |
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55.2 yd³ |
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| Note (1) |
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Contact your local Cat dealer for body recommendation. |
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| Note (2) |
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*ISO 6483:1980 |
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| Heaped 2:1 (SAE) |
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40.9 yd³ |
Weight Distributions - Approximate |
| Front Axle - Empty |
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50 % |
51.4 % |
| Front Axle - Loaded |
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34 % |
34.2 % |
| Rear Axle - Empty |
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50 % |
48.6 % |
| Rear Axle - Loaded |
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66 % |
65.8 % |
Final Drives |
| Differential Ratio |
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3.64:1 |
2.74:1 |
| Planetary Ratio |
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4.80:1 |
4.80:1 |
| Total Reduction Ratio |
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17.49:1 |
13.14:1 |
Body Hoists |
| Pump Flow - High Idle |
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118 gal/min |
112 gal/min |
| Relief Valve Setting - Raise |
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2502 psi |
2750 psi |
| Relief Valve Setting - Lower |
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500 psi |
500 psi |
| Body Raise Time - High Idle |
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10 s |
8 s |
| Body Lower Time - Float |
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14 s |
10 s |
| Body Power Down - High Idle |
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14 s |
10 s |
Weights - Approximate |
| Maximum Gross Vehicle Weight |
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246503 lb |
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| Target Gross Machine Operating Weight |
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181000 lb |
| Chassis Weight |
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59223 lb |
| Body Weight |
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17306 lb |
| Target Gross Machine Weight |
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181000 lb |
Suspension |
| Empty Loaded Cylinder Stroke Front |
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9.2 in |
9.2 in |
| Rear axle - Oscillation |
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8.1° |
8.9 ° |
| Empty Loaded Cylinder Stroke Rear |
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5.8 in |
5.8 in |
Tires |
| Note (2) |
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Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. |
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| Note (1) |
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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. |
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| Standard Tire |
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24.00R35 (E4) |
21.00R33 (E4) |
Sound |
| Sound Standards (1) |
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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) |
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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 118 dB(A). |
| Sound Standards (3) |
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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 (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
Sustainability |
| Recyclability |
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98% |
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Dimensions |
| Height - Top of ROPS |
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12.8 ft |
| Inside Body Depth - Maximum |
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5.7 ft |
| Overall Body Length |
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26.8 ft |
| Inside Body Length |
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19 ft |
| Overall Length |
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28.9 ft |
| Wheel Base |
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13 ft |
| Rear Axle - Tail |
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9.5 ft |
| Ground Clearance |
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1.6 ft |
| Dump Clearance |
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1.5 ft |
| Loading Height - Empty |
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11.6 ft |
| Overall Height - Body Raised |
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27.1 ft |
| Operating Width |
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15.7 ft |
| Centerline Front Tire Width |
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10.4 ft |
| Engine Guard Clearance |
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2 ft |
| Outside Body Width |
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12.9 ft |
| Inside Body Width |
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11.9 ft |
| Front Canopy Height |
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13.7 ft |
| Rear Axle - Clearance |
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1.9 ft |
| Centerline of Rear Dual Tire Width |
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8.7 ft |
| Overall Tire Width |
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12.9 ft |
