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775G Off-Highway Truck Bare Chassis
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Operating Specifications |
| Nominal Payload Class (100%) |
70.5 ton (US) |
42.1 ton (US) |
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| Top Speed - Loaded |
41.6 mile/h |
45.8 mile/h |
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| Maximum Working Payload (110%) |
77.5 ton (US) |
46.3 ton (US) |
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| Target Payload (100%) |
70.5 ton (US) |
42.1 ton (US) |
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| Maximum Allowable Payload (120%)* |
84.6 ton (US) |
50.5 ton (US) |
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| 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. |
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| Note (1) |
Capacity with Dual Slope body – no liner. |
*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
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| Body Capacity - SAE 2:1 |
55.23 yd³ |
32.9 yd³ |
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| Nominal Water Tank Capacity |
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15000 gal (US) |
Engine |
| Engine Model |
Cat® C27 |
Cat® C15 |
Cat® C175-16 |
Cat® C27 |
| Rated Engine Speed |
1800 r/min |
1700 r/min |
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| Gross Power - SAE J1995:2014 |
825 hp |
515 hp |
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| Net Power - SAE J1349:2011 |
768 hp |
477 hp |
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| Net Power - 80/1269/EEC |
775 hp |
489 hp |
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| Net Power - ISO 9249 |
775 hp |
477 hp |
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| Bore |
5.4 in |
5.4 in |
6.9 in |
5.4 in |
| Stroke |
6 in |
6.7 in |
8.7 in |
6 in |
| Displacement |
1648 in³ |
927.6 in³ |
5187 in³ |
1648 in³ |
| Engine Power - ISO 14396 |
812 hp |
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| 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). |
EPA Tier 4 Final / EU Stage V available for applicable markets. |
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| Net Torque |
3148 ft-lb |
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| Peak Torque - Speed |
1200 r/min |
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| 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. |
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. |
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| 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. |
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| Emissions |
Meets EU Stage V emission standards. |
Meets U.S. EPA Tier 4 and EU Stage V emission standards. |
Fuel Optimized |
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| Net Power - ISO 14396 |
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508 hp |
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| Net Torque - SAE J1349 |
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1834 ft·lbf |
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| Number of Cylinders |
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6 |
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| Note (4) |
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Meets Japan Small Volume Exemption. |
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| Gross Power - SAE J1995 |
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2650 hp |
825 hp |
| Net Power - SAE J1349 |
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2478 hp |
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| Rated Speed |
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1750 r/min |
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| Rated Net Power - SAE J1349 |
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683 hp |
| Note |
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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. |
Capacity - Dual Slope - 100% Fill Factor |
| Struck |
42.7 yd³ |
23.01 yd³ |
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| Heaped (SAE 2:1)* |
55.5 yd³ |
32.9 yd³ |
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| Note (1) |
Contact your local Cat dealer for body recommendation. |
Contact your local Cat dealer for body recommendation. |
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| Note (2) |
*ISO 6483:1980 |
*ISO 6483:1980. |
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Capacity - Flat Floor - 100% Fill Factor |
| Struck |
42.2 yd³ |
23.01 yd³ |
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| Heaped (SAE 2:1)* |
55.2 yd³ |
32.9 yd³ |
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| Note (1) |
Contact your local Cat dealer for body recommendation. |
Contact your local Cat dealer for body recommendation. |
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| Note (2) |
*ISO 6483:1980 |
*ISO 6483:1980. |
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Weight Distributions - Approximate |
| Front Axle - Empty |
50 % |
49 % |
48 % |
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| Front Axle - Loaded |
34 % |
34 % |
33 % |
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| Rear Axle - Empty |
50 % |
51 % |
52 % |
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| Rear Axle - Loaded |
66 % |
66 % |
67 % |
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Transmission |
| Forward - 1 |
6.6 mile/h |
7.4 mile/h |
8 mile/h |
6.6 mile/h |
| Forward - 2 |
9.3 mile/h |
10.1 mile/h |
10.8 mile/h |
9.3 mile/h |
| Forward - 3 |
12.6 mile/h |
13.8 mile/h |
14.8 mile/h |
12.6 mile/h |
| Forward - 4 |
16.8 mile/h |
18.5 mile/h |
19.9 mile/h |
16.8 mile/h |
| Forward - 5 |
22.8 mile/h |
25.1 mile/h |
27.1 mile/h |
22.8 mile/h |
| Forward - 6 |
30.7 mile/h |
33.8 mile/h |
37.3 mile/h |
30.7 mile/h |
| Forward - 7 |
41.6 mile/h |
45.8 mile/h |
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41.6 mile/h |
| Reverse |
8.7 mile/h |
8.8 mile/h |
7.3 mile/h |
8.7 mile/h |
| Note |
Maximum travel speeds with standard 24.00R35 (E4) tires. |
Maximum travel speeds with standard 18.00R33 (E4) tires. |
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Maximum travel speeds with standard 24.00R35 (E4) tires |
| Top Speed - Loaded |
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37.3 mile/h |
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Final Drives |
| Differential Ratio |
3.64:1 |
1.92:1 |
1.8:1 |
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| Planetary Ratio |
4.80:1 |
4.80:1 |
16:01 |
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| Total Reduction Ratio |
17.49:1 |
9.26:1 |
26.8:1 |
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Brakes |
| Brake Surface - Front |
257 in² |
216 in² |
13921 in² |
257 in² |
| Brake Surface - Rear |
9497 in² |
6235 in² |
20847 in² |
9497 in² |
| Brake Standards |
ISO 3450:2011 |
ISO 3450:2011 |
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| Note |
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Target gross machine operating weight is 71 214 kg (157,000 lb). |
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| Standards |
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J-ISO 3450 JAN88, ISO 3450:1996 |
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Service Refill Capacities |
| Fuel Tank |
210 gal (US) |
140 gal (US) |
750 gal (US) |
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| Cooling System |
45 gal (US) |
33 gal (US) |
284 gal (US) |
45 gal (US) |
| Differential - Final Drives |
38 gal (US) |
47 gal (US) |
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38 gal (US) |
| Steering Tank |
9.5 gal (US) |
14.5 gal (US) |
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| Steering System - Including Tank |
14 gal (US) |
23 gal (US) |
77 gal (US) |
14 gal (US) |
| Brake Hoist System |
85 gal (US) |
60 gal (US) |
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85 gal (US) |
| Torque Converter - Transmission System - LRC |
16 gal (US) |
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| Crankcase |
24 gal (US) |
17 gal (US) |
82 gal (US) |
24 gal (US) |
| Brake/Hoist Hydraulic Tank |
46.5 gal (US) |
38 gal (US) |
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46.5 gal (US) |
| Torque Converter - Transmission System - HRC |
18 gal (US) |
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| Torque Converter - Transmission System |
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17 gal (US) |
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| DEF Tank |
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6 gal (US) |
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| Fuel Tank - Optional |
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1300 gal (US) |
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| Diesel Exhaust Fluid Tank |
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62 gal (US) |
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| Rear Axle - Housing |
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260 gal (US) |
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| Brake Hoist System - Includes Tank |
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347 gal (US) |
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| Torque Converter - Transmission Sump |
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27 gal (US) |
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| Torque Converter/Transmission System - Including Sump |
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55 gal (US) |
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| Note (1) |
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DEF Tank only available for EPA Tier 4 engine option. |
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| Fuel Tank Capacity |
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210 gal (US) |
Body Hoists |
| Pump Flow - High Idle |
118 gal/min |
118 gal/min |
224 gal/min |
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| Relief Valve Setting - Raise |
2502 psi |
2750 psi |
2955 psi |
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| Relief Valve Setting - Lower |
500 psi |
500 psi |
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| Body Raise Time - High Idle |
10 s |
7.5 s |
19 s |
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| Body Lower Time - Float |
14 s |
10 s |
20 s |
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| Body Power Down - High Idle |
14 s |
10 s |
17.5 s |
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| Type |
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Twin, two-stage hydraulic cylinders with snubbing valve |
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Weights - Approximate |
| Maximum Gross Vehicle Weight |
246503 lb |
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| Target Gross Machine Operating Weight |
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157000 lb |
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| Target Gross Machine Weight |
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157000 lb |
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| Chassis Weight |
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55948 lb |
265639 lb |
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| Body Weight |
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17306 lb |
67682 lb |
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| Note (1) |
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Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. |
Consult your tire manufacturer for maximum tire load |
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| Note (2) |
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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. |
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| Nominal Rated Payload |
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256 ton (US) |
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| Rated Gross Machine Weight |
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851000 lb |
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| Note (3) |
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Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. |
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Suspension |
| Empty Loaded Cylinder Stroke Front |
9.2 in |
9.2 in |
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| Rear Axle - Oscillation |
8.1° |
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| Empty Loaded Cylinder Stroke Rear |
5.8 in |
5.9 in |
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| Rear axle - Oscillation |
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8.9 ° |
±4.9 degrees |
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| Type |
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Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments |
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| Effective Cylinder Stroke - Front |
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5.1 in |
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| Effective Cylinder Stroke - Rear |
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4.2 in |
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Tires |
| 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. |
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
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| 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. |
Extended life wheel stations optional. |
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| Standard Tire |
24.00R35 (E4) |
18.00R33 (E4) |
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| Standard Tires |
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40.00 R57 |
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| Rims |
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29" or 32" |
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| Note |
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Quick Change Rims optional. |
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ROPS |
| 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. |
FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. |
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| 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. |
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| Tractor ROPS |
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85288 lb |
Sound |
| 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. |
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. |
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| 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). |
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| 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. |
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| Sound Standards |
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The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed. |
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Steering |
| Turning Diameter - Front |
77.1 ft |
57.7 ft |
93.2 ft |
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| Steering Standards |
ISO 5010:2007 |
ISO 5010:2007 |
SAE J15111 OCT90, ISO 5010:1992 |
ISO 5010:2007 |
| Steer Angle |
31 ° |
40.5 ° |
36 ° |
31 ° |
| Turning Circle - Clearance Diameter |
85.6 ft |
66.6 ft |
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85.6 ft |
| Note |
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Target gross machine operating weight is 71 214 kg (157,000 lb). |
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| Turning Diameter |
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77.1 ft |
Sustainability |
| Recyclability |
98% |
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Dimensions |
| Height - Top of ROPS |
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12.7 ft |
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| Overall Body Length |
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26.8 ft |
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| Inside Body Length |
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18.5 ft |
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| Overall Length |
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28.9 ft |
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| Wheel Base |
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13 ft |
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| Rear Axle - Tail |
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8.5 ft |
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| Ground Clearance |
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1.6 ft |
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| Dump Clearance |
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1.7 ft |
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| Loading Height - Empty |
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10.3 ft |
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| Inside Body Depth - Maximum |
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4.6 ft |
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| Overall Height - Body Raised |
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27.1 ft |
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| Operating Width |
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15.7 ft |
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| Centerline Front Tire Width |
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10.2 ft |
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| Engine Guard Clearance |
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1.8 ft |
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| Outside Body Width |
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12.9 ft |
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| Inside Body Width |
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11.9 ft |
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| Front Canopy Height |
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13.5 ft |
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| Rear Axle - Clearance |
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1.8 ft |
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| Centerline of Rear Dual Tire Width |
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8.3 ft |
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| Overall Tire Width |
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12.1 ft |
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Capacity - HP Body - 100% Fill Factor |
| Note (1) |
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Contact your local Cat dealer for body recommendation. |
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| Struck |
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112.6-151 m³ (147-197.5 yd³) |
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| Heaped (SAE 2:1)* |
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162-191 m³ (212-250 yd³) |
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| Note (2) |
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*ISO 6483:1980 |
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Braking System |
| Service Brakes |
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Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
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| Front Wet Disc Brake Surface Area |
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13921 in³ |
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| Rear - Wet Disc Brake Surface Area |
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20847 in³ |
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| Standards |
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(Service and Secondary): ISO 3450:1996 |
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| Parking Brakes |
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Four-corner, Multi-disc, Spring Applied, Hydraulically Released |
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| Load Brake |
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Rear service brakes |
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| Note |
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Anti-Lock Brake System (ABS) optional with CMD package |
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Cab |
| Air Conditioning |
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Air Conditioning (HFC - 134A refrigerant): 24,300 Btu/hr |
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| Heater / Defroster |
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38900 Btu/h |
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| Note |
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Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. |
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| ROPS Standards (1) |
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The operator sound pressure level, 76 dB(A), complies with ISO 6394 and ISO 6396. |
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| ROPS Standards (2) |
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ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. |
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| FOPS Standards |
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FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. |
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Capacity - MSD II - 100% Fill Factor |
| Note |
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Contact your local Cat dealer for body recommendation. |
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| Struck |
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112-142 m³ (146-186 yd³) |
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| Heaped (SAE 2:1) |
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159-190 m3 (209-250 yd3) |
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Weights |
| LRC Bare Chassis Weight without Hoist |
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75118 lb |
| LRC Bare Chassis Weight with Hoist |
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76326 lb |
| LRC Gross Vehicle Weight (Target) without Hoist |
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246503 lb |
| LRC Gross Vehicle Weight (Target) with Hoist |
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246503 lb |
| HRC Bare Chassis Weight without Hoist |
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76573 lb |
| HRC Bare Chassis Weight with Hoist |
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77781 lb |
| HRC Gross Vehicle Weight (Target) without Hoist |
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246503 lb |
| HRC Gross Vehicle Weight (Target) with Hoist |
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246503 lb |
| Note |
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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. |
