|
|
772 (07) Off-Highway Truck
|
|
Weights |
| 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 |
| Tractor ROPS |
85288 lb |
- |
- |
| FOPS Standards |
- |
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. |
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. |
| ROPS Standards |
- |
ROPS (Rollover Protective Structure) 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. |
Operating Specifications |
| Nominal Water Tank Capacity |
15000 gal (US) |
- |
- |
| Nominal Payload Class (100%) |
- |
51.6 ton (US) |
42.1 ton (US) |
| Top Speed - Loaded |
- |
49.2 mile/h |
45.8 mile/h |
| Maximum Payload Class (110%) |
- |
56.7 ton (US) |
- |
| Body Capacity - SAE 2:1 |
- |
40.8 yd³ |
32.9 yd³ |
| Target Payload Capacity |
- |
51.6 ton (US) |
- |
| Not to Exceed Payload (120%) |
- |
61.9 ton (US) |
- |
| Body Capacity (SAE 2:1)** |
- |
40.8 yd³ |
- |
| Target Payload (100%) |
- |
- |
42.1 ton (US) |
| Maximum Working Payload (110%) |
- |
- |
46.3 ton (US) |
| Maximum Allowable Payload (120%)* |
- |
- |
50.5 ton (US) |
| 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 |
| Steering Standards |
ISO 5010:2007 |
ISO 5010:2007 |
ISO 5010:2007 |
| Steer Angle |
31 ° |
40.5 ° |
40.5 ° |
| Turning Diameter |
77.1 ft |
- |
- |
| Turning Circle - Clearance Diameter |
85.6 ft |
66.6 ft |
66.6 ft |
| Turning Diameter - Front |
- |
57.7 ft |
57.7 ft |
| Note |
- |
- |
Target gross machine operating weight is 71 214 kg (157,000 lb). |
Engine |
| Engine Model |
Cat® C27 |
Cat® C18 |
Cat® C15 |
| Gross Power - SAE J1995 |
825 HP |
605 HP |
515 HP |
| Rated Net Power - SAE J1349 |
683 HP |
- |
- |
| Bore |
5.4 in |
5.7 in |
5.4 in |
| Stroke |
6 in |
7.2 in |
6.7 in |
| Displacement |
1648 in³ |
1105 in³ |
927.6 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 |
1700 r/min |
| Net Power - SAE J1349 |
- |
550 HP |
477 HP |
| Net Power - ISO 9249 |
- |
550 HP |
477 HP |
| Number of Cylinders |
- |
6 |
6 |
| Net Torque - SAE J1349 |
- |
2221 ft-lb |
1834 ft·lbf |
| Engine Power - ISO 14396 |
- |
598 HP |
- |
| Net Power - 80/1269/EEC |
- |
- |
489 HP |
| Net Power - ISO 14396 |
- |
- |
508 HP |
| 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. |
Transmission |
| Forward - 1 |
6.6 mile/h |
8 mile/h |
7.4 mile/h |
| Forward - 2 |
9.3 mile/h |
10.9 mile/h |
10.1 mile/h |
| Forward - 3 |
12.6 mile/h |
14.8 mile/h |
13.8 mile/h |
| Forward - 4 |
16.8 mile/h |
19.8 mile/h |
18.5 mile/h |
| Forward - 5 |
22.8 mile/h |
26.9 mile/h |
25.1 mile/h |
| Forward - 6 |
30.7 mile/h |
36.2 mile/h |
33.8 mile/h |
| Forward - 7 |
41.6 mile/h |
49.2 mile/h |
45.8 mile/h |
| Reverse |
8.7 mile/h |
10.4 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. |
Brakes |
| Brake Surface - Front |
257 in² |
216 in² |
216 in² |
| Brake Surface - Rear |
9497 in² |
7794 in² |
6235 in² |
| Brake Standards |
- |
ISO 3450:1996 |
ISO 3450:2011 |
| Note |
- |
- |
Target gross machine operating weight is 71 214 kg (157,000 lb). |
Service Refill Capacities |
| Fuel Tank Capacity |
210 gal (US) |
- |
- |
| Cooling System |
45 gal (US) |
33 gal (US) |
33 gal (US) |
| Crankcase |
24 gal (US) |
17 gal (US) |
17 gal (US) |
| Differential - Final Drives |
38 gal (US) |
47 gal (US) |
47 gal (US) |
| Steering System - Including Tank |
14 gal (US) |
23 gal (US) |
23 gal (US) |
| Brake/Hoist Hydraulic Tank |
46.5 gal (US) |
38 gal (US) |
38 gal (US) |
| Brake Hoist System |
85 gal (US) |
60 gal (US) |
60 gal (US) |
| Fuel Tank |
- |
140 gal (US) |
140 gal (US) |
| Steering Tank |
- |
14.5 gal (US) |
14.5 gal (US) |
| Torque Converter - Transmission System |
- |
17 gal (US) |
17 gal (US) |
| DEF Tank |
- |
6 gal (US) |
6 gal (US) |
Weights - Approximate |
| Target Gross Machine Operating Weight |
- |
181000 lb |
157000 lb |
| Chassis Weight |
- |
59223 lb |
55948 lb |
| Body Weight |
- |
17306 lb |
17306 lb |
| Target Gross Machine Weight |
- |
181000 lb |
157000 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. |
Weight Distributions - Approximate |
| Front Axle - Empty |
- |
51.4 % |
49 % |
| Front Axle - Loaded |
- |
34.2 % |
34 % |
| Rear Axle - Empty |
- |
48.6 % |
51 % |
| Rear Axle - Loaded |
- |
65.8 % |
66 % |
Final Drives |
| Differential Ratio |
- |
2.74:1 |
1.92:1 |
| Planetary Ratio |
- |
4.80:1 |
4.80:1 |
| Total Reduction Ratio |
- |
13.14:1 |
9.26:1 |
Body Hoists |
| Pump Flow - High Idle |
- |
112 gal/min |
118 gal/min |
| Relief Valve Setting - Raise |
- |
2750 psi |
2750 psi |
| Relief Valve Setting - Lower |
- |
500 psi |
500 psi |
| Body Raise Time - High Idle |
- |
8 s |
7.5 s |
| Body Lower Time - Float |
- |
10 s |
10 s |
| Body Power Down - High Idle |
- |
10 s |
10 s |
Suspension |
| Rear axle - Oscillation |
- |
8.9 ° |
8.9 ° |
| Empty Loaded Cylinder Stroke Front |
- |
9.2 in |
9.2 in |
| Empty Loaded Cylinder Stroke Rear |
- |
5.8 in |
5.9 in |
Capacity - Dual Slope - 100% Fill Factor |
| Heaped 2:1 (SAE) |
- |
40.8 yd³ |
- |
| Struck |
- |
31.3 yd³ |
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 |
| Struck |
- |
31.3 yd³ |
23.01 yd³ |
| Heaped 2:1 (SAE) |
- |
40.9 yd³ |
- |
| Heaped (SAE 2:1)* |
- |
- |
32.9 yd³ |
| Note (1) |
- |
- |
Contact your local Cat dealer for body recommendation. |
| Note (2) |
- |
- |
*ISO 6483:1980. |
Sound |
| Sound Standards (3) |
- |
Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used. |
| Sound Standards (2) |
- |
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 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 (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. |
Dimensions |
| Height - Top of ROPS |
- |
12.8 ft |
12.7 ft |
| Inside Body Depth - Maximum |
- |
5.7 ft |
4.6 ft |
| Overall Body Length |
- |
26.8 ft |
26.8 ft |
| Inside Body Length |
- |
19 ft |
18.5 ft |
| Overall Length |
- |
28.9 ft |
28.9 in |
| Wheel Base |
- |
13 ft |
13 ft |
| Rear Axle - Tail |
- |
9.5 ft |
8.5 ft |
| Ground Clearance |
- |
1.6 in |
1.6 in |
| Dump Clearance |
- |
1.5 ft |
1.7 ft |
| Loading Height - Empty |
- |
11.6 ft |
10.3 ft |
| Overall Height - Body Raised |
- |
27.1 ft |
27.1 ft |
| Operating Width |
- |
15.7 ft |
15.7 ft |
| Centerline Front Tire Width |
- |
10.4 ft |
10.2 ft |
| Engine Guard Clearance |
- |
2 ft |
1.8 ft |
| Outside Body Width |
- |
12.9 ft |
12.9 ft |
| Inside Body Width |
- |
11.9 ft |
11.9 ft |
| Front Canopy Height |
- |
13.7 ft |
13.5 ft |
| Rear Axle - Clearance |
- |
1.9 ft |
1.8 ft |
| Centerline of Rear Dual Tire Width |
- |
8.7 ft |
8.3 ft |
| Overall Tire Width |
- |
12.9 ft |
12.1 ft |
Tires |
| Standard Tire |
- |
21.00R33 (E4) |
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. |
| Note (2) |
- |
- |
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection. |
