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785 Mining Truck (LRC, Tier 4 Final / EU Stage V)
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Weights - Approximate |
| Nominal Rated Payload |
213 ton (US) |
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| Rated Gross Machine Weight |
715000 lb |
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| Body Weight |
60406 lb |
17306 lb |
57779 lb |
| Note (1) |
Consult your tire manufacturer for maximum tire load |
Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. |
Consult your tire manufacturer for maximum tire load |
| Note (2) |
Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. |
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. |
| 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 |
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| Nominal Rated Payload (33.00R51 Tires) |
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153 ton (US) |
| Rated Gross Machine Weight (33.00R51 tires) |
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550000 lb |
| Nominal Rated Payload (36.00R51 Tires) |
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157 ton (US) |
| Rated Gross Machine Weight (36.00R51 tires) |
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564000 lb |
| Chassis Weight (33.00R51 Tires) |
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186799 lb |
| Chassis Weight (36.00R51 Tires) |
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193192 lb |
| Note (3) |
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Body weight varies depending on body selection and configuration. |
Engine |
| Gross Power - SAE J1995:2014 |
2100 HP |
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| Engine Model |
Cat® 3516E |
Cat® C15 |
Cat� 3512E |
| Net Power - SAE J1349:2011 |
1975 HP |
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| Rated Speed |
1650 r/min |
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| Emissions Rating |
Fuel Optimized |
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Fuel Optimized |
| Bore |
6.7 in |
5.4 in |
6.7 in |
| Stroke |
8.5 in |
6.7 in |
8.5 in |
| Displacement |
4766 in³ |
927.6 in³ |
3573 in³ |
| Note (1) |
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. |
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. |
| Note (2) |
Optional 1417 kW / 1,900 HP engine rating. |
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). |
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. |
| Note (3) |
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. |
No engine derating required up to 3000 m (9,843 ft) altitude. |
Additional fuel optimized selectable power ratings: 1,450 hp |
| Rated Engine Speed |
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1700 r/min |
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| Gross Power - SAE J1995 |
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515 HP |
1600 HP |
| Net Power - SAE J1349 |
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477 HP |
1509 HP |
| Net Power - ISO 9249 |
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477 HP |
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| Net Power - 80/1269/EEC |
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489 HP |
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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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| Emissions |
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Meets U.S. EPA Tier 4 and EU Stage V emission standards. |
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Weight Distributions - Approximate |
| Front Axle - Empty |
50% |
49 % |
48% |
| Rear Axle - Loaded |
67% |
66 % |
67% |
| Rear Axle - Empty |
50% |
51 % |
52% |
| Front Axle - Loaded |
33% |
34 % |
33% |
| Note |
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Weight distributions optimized with Cat body. |
Final Drives |
| Planetary Ratio |
10.83:1 |
4.80:1 |
10.83:1 |
| Total Reduction Ratio |
25.46:1 |
9.26:1 |
22.75:1 |
| Type |
Double reduction, planetary with full floating axles |
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Double reduction, planetary with full floating axles. |
| Differential Ratio |
2.35:1 |
1.92:1 |
2:10:01 |
Transmission |
| Forward - 1 |
7.8 mile/h |
7.4 mile/h |
7.5 mile/h |
| Forward - 2 |
10.6 mile/h |
10.1 mile/h |
10.2 mile/h |
| Forward - 3 |
14.4 mile/h |
13.8 mile/h |
13.8 mile/h |
| Forward - 4 |
19.4 mile/h |
18.5 mile/h |
18.6 mile/h |
| Forward - 5 |
26.3 mile/h |
25.1 mile/h |
25.2 mile/h |
| Forward - 6 |
35.5 mile/h |
33.8 mile/h |
34 mile/h |
| Reverse |
7.3 mile/h |
8.8 mile/h |
6.8 mile/h |
| Top Speed - Loaded |
35.5 mile/h |
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34 mile/h |
| Forward - 7 |
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45.8 mile/h |
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| Note |
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Maximum travel speeds with standard 18.00R33 (E4) tires. |
Maximum travel speeds with standard 33.00-R51 tires. |
Tires |
| Standard Tires |
37 R57 |
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| Optional Tires |
40 R57 |
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| Optional Tire |
42/90 R57 |
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36.00R51 |
| Rims |
29” x 57” Rims |
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610 mm (24") Rims (standard). 660 mm (26") Rims (optional). |
| Note (1) |
Quick Change Rims optional |
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. |
Quick Change Rims optional. |
| Note (2) |
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
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. |
| Standard Tire |
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18.00R33 (E4) |
33.00R51 |
Braking System |
| Service Brakes |
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
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Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
| Front Wet Disc Brake Surface Area |
12662 in² |
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9487 in² |
| Rear - Wet Disc Brake Surface Area |
20861 in² |
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13908 in² |
| Standards |
(Service and Secondary) ISO 3450:2011 |
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Service and Secondary: ISO 3450:2011 |
| Parking Brake |
Four-corner, Multi-disc, Spring applied, Hydraulically Released |
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Four corner, multi disc, spring applied, hydraulically released |
Capacity - HP Body - 100% Fill Factor |
| Struck |
77 m3(101 yd3) |
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| Heaped (SAE 2:1)* |
143 m3(187 yd2) |
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| Note (1) |
Consult your local Cat dealer for body recommendations |
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Body Hoists |
| Type |
Twin, two-stage hydraulic cylinders with snubbing valve. |
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Twin, two-stage hydraulic cylinders with snubbing valve. |
| Pump Flow - High Idle |
106.5 gal/min |
118 gal/min |
192.7 gal/min |
| Relief Valve Setting - Raise |
2749 psi |
2750 psi |
2500 psi |
| Body Raise Time - High Idle |
14 s |
7.5 s |
15.2 s |
| Body Lower Time - Float |
16 s |
10 s |
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| Relief Valve Setting - Lower |
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500 psi |
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| Body Power Down - High Idle |
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10 s |
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| Body Lower Time - Float High Idle |
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15.9 s |
| Body Lower Time - Float Low Idle |
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16.2 s |
| Body Power Down- High Idle |
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15.9 s |
Suspension |
| Type |
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments |
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Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments |
| Effective Cylinder Stroke - Front |
4.12 in |
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12.6 in |
| Effective Cylinder Stroke - Rear |
3.67 in |
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6.5 in |
| Rear axle - Oscillation |
+/- 5 degrees |
8.9 ° |
+/- 5 degrees |
| Empty Loaded Cylinder Stroke Front |
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9.2 in |
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| Empty Loaded Cylinder Stroke Rear |
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5.9 in |
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Service Refill Capacities |
| Fuel Tank - Standard |
550 gal (US) |
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| Fuel Tank |
1000 gal (US) |
140 gal (US) |
410 gal (US) |
| Fuel Tank (Tier 4) |
55 gal (US) |
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| Diesel Exhaust Fluid Tank |
62 gal (US) |
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36 gal (US) |
| Cooling System |
180 gal (US) |
33 gal (US) |
100 gal (US) |
| Crankcase |
77 gal (US) |
17 gal (US) |
54 gal (US) |
| Front Wheels - Each |
5.8 gal (US) |
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8 gal (US) |
| Differentials |
161 gal (US) |
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| Steering System |
42 gal (US) |
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| Steering System - Includes Tank |
46 gal (US) |
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45 gal (US) |
| Brake Hoist System |
169 gal (US) |
60 gal (US) |
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| Brake Hoist System - Includes Tank |
347 gal (US) |
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160 gal (US) |
| Torque Converter - Transmission System - Including Sump |
55 gal (US) |
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46 gal (US) |
| Differential - Final Drives |
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47 gal (US) |
139 gal (US) |
| Steering Tank |
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14.5 gal (US) |
29 gal (US) |
| Steering System - Including Tank |
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23 gal (US) |
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| Brake/Hoist Hydraulic Tank |
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38 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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| Brake/Hoist Tank |
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135 gal (US) |
Cab |
| Air Conditioning |
(HFC - 134A refrigerant) 24,500 Btu/hr |
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HFC - 134A refrigerant: 24,500 Btu/h |
| Heater / Defroster |
33300 Btu/h |
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33300 Btu/h |
| ROPS Standards (1) |
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. |
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ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. |
| ROPS Standards (2) |
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. |
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| FOPS Standards |
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. |
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FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. |
| Note |
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The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008. |
Steering |
| Steer Angle |
36.07 ° |
40.5 ° |
36 ° |
| Steering Standards |
ISO 5010:2007 |
ISO 5010:2007 |
ISO 5010:2007 |
| Turning Diameter - Front |
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57.7 ft |
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| Turning Circle - Clearance Diameter |
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66.6 ft |
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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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| Turning Diameter - ISO 7457:1997 (33.00R51 tires) |
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97.75 ft |
Dimensions (Approximate) |
| Height - Top of ROPS |
5550 mm |
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| Overall Body Length |
12945 mm |
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| Inside Body Length |
8730 mm |
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| Overall Length |
12970 mm |
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| Wheel Base |
57000 mm |
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| Rear Axle - Tail |
3856 mm |
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| Ground Clearance |
1304 mm |
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| Dump Clearance |
1585 mm |
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| Loading Height - Empty |
6147 mm |
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| Rear Sidewall Height |
1010 mm |
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| Inside Body Depth - Maximum |
3075 mm |
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| Overall Height - Body Raised |
11534 mm |
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| Operating Width |
7822 mm |
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| Centerline Front Tire Width |
5410 mm |
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| Engine Guard Clearance |
1290 mm |
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| Overall Canopy Width |
7769 mm |
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| Outside Body Width |
7123 mm |
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| Inside Body Width |
6920 mm |
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| Front Canopy Height |
6739 mm |
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| Rear Axle - Clearance |
1263 mm |
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| Centerline of Rear Dual Tire Width |
4695 mm |
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| Overall Tire Width |
7120 mm |
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Operating Specifications |
| Nominal Payload Class (100%) |
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42.1 ton (US) |
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| Top Speed - Loaded |
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45.8 mile/h |
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| Target Payload (100%) |
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42.1 ton (US) |
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| Maximum Working Payload (110%) |
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46.3 ton (US) |
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| Maximum Allowable Payload (120%)* |
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50.5 ton (US) |
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| Body Capacity - SAE 2:1 |
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32.9 yd³ |
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| Note (1) |
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*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. |
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| Note (2) |
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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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Brakes |
| Brake Surface - Front |
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216 in² |
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| Brake Surface - Rear |
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6235 in² |
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| Brake Standards |
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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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Capacity - Dual Slope - 100% Fill Factor |
| Struck |
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23.01 yd³ |
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| Heaped (SAE 2:1)* |
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32.9 yd³ |
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| Note (2) |
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*ISO 6483:1980. |
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| Note (1) |
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Contact your local Cat dealer for body recommendation. |
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Capacity - Flat Floor - 100% Fill Factor |
| Struck |
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23.01 yd³ |
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| Heaped (SAE 2:1)* |
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32.9 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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ROPS |
| ROPS Standards |
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Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
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| FOPS Standards |
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Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. |
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Sound |
| Sound Standards (1) |
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Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. |
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| Sound Standards (2) |
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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) |
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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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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 - MSD II - 100% Fill Factor |
| Struck |
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72 m^3 / 94 yd^3 |
| Heaped (SAE 2:1) |
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99 m^3 / 129 yd^3 |
| Note |
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Consult your local Cat dealer for body recommendations. |
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.) |
| Height - Top of ROPS |
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17.09 ft |
| Overall Body Length |
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39.32 ft |
| Inside Body Length |
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27.29 ft |
| Overall Length |
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39.23 ft |
| Wheel Base |
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17 ft |
| Rear Axle - Tail |
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12.56 ft |
| Ground Clearance |
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3.29 ft |
| Dump Clearance |
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3.7 ft |
| Loading Height - Empty |
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17.39 ft |
| Inside Body Depth - Maximum |
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9.15 ft |
| Overall Height - Body Raised |
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39.48 ft |
| Operating Width |
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24.72 ft |
| Centerline Front Tire Width |
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15.91 ft |
| Engine Guard Clearance |
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3.41 ft |
| Overall Canopy Width |
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24.81 ft |
| Outside Body Width |
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22 ft |
| Inside Body Width |
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19.72 ft |
| Front Canopy Height |
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19.8 ft |
| Rear Axle - Clearance |
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3.25 ft |
| Centerline of Rear Dual Tire Width |
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14.06 ft |
| Overall Tire Width |
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20.59 ft |
