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772G Off-Highway Truck Bare Chassis
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775G Off-Highway Truck Bare Chassis
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772 (07) Off-Highway Truck
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Weights |
LRC Bare Chassis Weight without Hoist |
58414 lb |
75118 lb |
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LRC Bare Chassis Weight with Hoist |
59223 lb |
76326 lb |
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LRC Gross Vehicle Weight (Target) with Hoist |
180999 lb |
246503 lb |
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LRC Gross Vehicle Weight (Target) without Hoist |
180999 lb |
246503 lb |
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HRC Bare Chassis Weight without Hoist |
59567 lb |
76573 lb |
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HRC Bare Chassis Weight with Hoist |
60376 lb |
77781 lb |
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HRC Gross Vehicle Weight (Target) with Hoist |
180999 lb |
246503 lb |
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HRC Gross Vehicle Weight (Target) without Hoist |
180999 lb |
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. |
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 |
77430 lb |
85288 lb |
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FOPS Standards |
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FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. |
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ROPS Standards |
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ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
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Operating Specifications |
Nominal Water Tank Capacity |
11000 gal (US) |
15000 gal (US) |
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Nominal Payload Class (100%) |
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51.6 ton (US) |
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Top Speed - Loaded |
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49.2 mile/h |
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Maximum Payload Class (110%) |
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56.7 ton (US) |
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Body Capacity - SAE 2:1 |
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40.8 yd³ |
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Target Payload Capacity |
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51.6 ton (US) |
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Not to Exceed Payload (120%) |
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61.9 ton (US) |
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Body Capacity (SAE 2:1)** |
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40.8 yd³ |
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Engine |
Engine Model |
Cat® C18 |
Cat® C27 |
Cat® C18 |
Cat® 3516E |
Rated Engine Speed |
1700 r/min |
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1700 r/min |
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Gross Power - SAE J1995 |
605 hp |
825 hp |
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Rated Net Power - SAE J1349 |
550 hp |
683 hp |
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Number of Cylinders |
6 |
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6 |
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Bore |
5.7 in |
5.4 in |
5.7 in |
6.7 in |
Stroke |
7.2 in |
6 in |
7.2 in |
8.5 in |
Displacement |
1105 in³ |
1648 in³ |
1105 in³ |
4766 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. |
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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Gross Power - SAE J1995:2014 |
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605 hp |
2100 hp |
Net Power - SAE J1349:2011 |
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550 hp |
1975 hp |
Net Power - ISO 9249 |
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550 hp |
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Net Torque - SAE J1349 |
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2221 ft-lb |
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Engine Power - ISO 14396:2002 |
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598 hp |
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Rated Speed |
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1650 r/min |
Emissions Rating |
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Fuel Optimized |
Note (1) |
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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. |
Note (2) |
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Optional 1417 kW / 1,900 HP engine rating. |
Note (3) |
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U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. |
Transmission |
Forward - 1 |
8 mile/h |
6.6 mile/h |
8 mile/h |
7.8 mile/h |
Forward - 2 |
10.9 mile/h |
9.3 mile/h |
10.9 mile/h |
10.6 mile/h |
Forward - 3 |
14.8 mile/h |
12.6 mile/h |
14.8 mile/h |
14.4 mile/h |
Forward - 4 |
19.8 mile/h |
16.8 mile/h |
19.8 mile/h |
19.4 mile/h |
Forward - 5 |
26.9 mile/h |
22.8 mile/h |
26.9 mile/h |
26.3 mile/h |
Forward - 6 |
36.2 mile/h |
30.7 mile/h |
36.2 mile/h |
35.5 mile/h |
Forward - 7 |
49.2 mile/h |
41.6 mile/h |
49.2 mile/h |
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Reverse |
10.4 mile/h |
8.7 mile/h |
10.4 mile/h |
7.3 mile/h |
Note |
Maximum travel speeds with standard 21.00R33 (E4) tires. |
Maximum travel speeds with standard 24.00R35 (E4) tires |
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Top Speed - Loaded |
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35.5 mile/h |
Brakes |
Brake Surface - Front |
216 in² |
257 in² |
216 in² |
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Brake Surface - Rear |
7794 in² |
9497 in² |
7794 in² |
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Brake Standards |
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ISO 3450:2011 |
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Service Refill Capacities |
Fuel Tank Capacity |
140 gal (US) |
210 gal (US) |
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Cooling System |
33 gal (US) |
45 gal (US) |
33 gal (US) |
180 gal (US) |
Crankcase |
17 gal (US) |
24 gal (US) |
17 gal (US) |
77 gal (US) |
Brake/Hoist Hydraulic Tank |
38 gal (US) |
46.5 gal (US) |
38 gal (US) |
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Brake Hoist System |
60 gal (US) |
85 gal (US) |
60 gal (US) |
169 gal (US) |
Differential - Final Drives |
47 gal (US) |
38 gal (US) |
47 gal (US) |
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Steering System - Including Tank |
60 gal (US) |
14 gal (US) |
23 gal (US) |
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Torque Converter - Transmission System |
17 gal (US) |
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17 gal (US) |
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Fuel Tank |
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140 gal (US) |
1000 gal (US) |
Steering Tank |
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14.5 gal (US) |
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DEF Tank |
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6 gal (US) |
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Fuel Tank - Standard |
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550 gal (US) |
Fuel Tank (Tier 4) |
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55 gal (US) |
Diesel Exhaust Fluid Tank |
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62 gal (US) |
Front Wheels - Each |
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5.8 gal (US) |
Differentials |
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161 gal (US) |
Steering System |
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42 gal (US) |
Steering System - Includes Tank |
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46 gal (US) |
Brake Hoist System - Includes Tank |
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347 gal (US) |
Torque Converter - Transmission System - Including Sump |
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55 gal (US) |
Steering |
Steering Standards |
ISO 5010:2007 |
ISO 5010:2007 |
ISO 5010:2007 |
ISO 5010:2007 |
Steer Angle |
31 ° |
31 ° |
40.5 ° |
36.07 ° |
Turning Diameter |
57.7 ft |
77.1 ft |
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Turning Circle - Clearance Diameter |
66.6 ft |
85.6 ft |
66.6 ft |
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Turning Diameter - Front |
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57.7 ft |
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Weights - Approximate |
Target Gross Machine Operating Weight |
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181000 lb |
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Chassis Weight |
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59223 lb |
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Body Weight |
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17306 lb |
60406 lb |
Target Gross Machine Weight |
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181000 lb |
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Nominal Rated Payload |
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213 ton (US) |
Rated Gross Machine Weight |
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715000 lb |
Note (1) |
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Consult your tire manufacturer for maximum tire load |
Note (2) |
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Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. |
Weight Distributions - Approximate |
Front Axle - Empty |
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51.4 % |
50% |
Front Axle - Loaded |
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34.2 % |
33% |
Rear Axle - Empty |
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48.6 % |
50% |
Rear Axle - Loaded |
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65.8 % |
67% |
Final Drives |
Differential Ratio |
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2.74:1 |
2.35:1 |
Planetary Ratio |
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4.80:1 |
10.83:1 |
Total Reduction Ratio |
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13.14:1 |
25.46:1 |
Type |
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Double reduction, planetary with full floating axles |
Body Hoists |
Pump Flow - High Idle |
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112 gal/min |
106.5 gal/min |
Relief Valve Setting - Raise |
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2750 psi |
2749 psi |
Relief Valve Setting - Lower |
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500 psi |
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Body Raise Time - High Idle |
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8 s |
14 s |
Body Lower Time - Float |
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10 s |
16 s |
Body Power Down - High Idle |
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10 s |
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Type |
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Twin, two-stage hydraulic cylinders with snubbing valve. |
Suspension |
Rear axle - Oscillation |
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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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5.8 in |
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Type |
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Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments |
Effective Cylinder Stroke - Front |
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4.12 in |
Effective Cylinder Stroke - Rear |
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3.67 in |
Capacity - Dual Slope - 100% Fill Factor |
Heaped 2:1 (SAE) |
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40.8 yd³ |
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Struck |
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31.3 yd³ |
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Capacity - Flat Floor - 100% Fill Factor |
Struck |
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31.3 yd³ |
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Heaped 2:1 (SAE) |
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40.9 yd³ |
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Sound |
Sound Standards (3) |
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Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
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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 118 dB(A). |
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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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Dimensions |
Height - Top of ROPS |
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12.8 ft |
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Inside Body Depth - Maximum |
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5.7 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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19 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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9.5 ft |
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Ground Clearance |
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1.6 ft |
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Dump Clearance |
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1.5 ft |
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Loading Height - Empty |
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11.6 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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10.4 ft |
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Engine Guard Clearance |
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2 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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13.7 ft |
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Rear Axle - Clearance |
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1.9 ft |
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Centerline of Rear Dual Tire Width |
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8.7 ft |
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Overall Tire Width |
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12.9 ft |
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Tires |
Standard Tire |
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21.00R33 (E4) |
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Standard Tires |
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37 R57 |
Optional Tires |
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40 R57 |
Optional Tire |
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42/90 R57 |
Rims |
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29” x 57” Rims |
Note (1) |
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Quick Change Rims optional |
Note (2) |
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Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. |
Braking System |
Service Brakes |
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Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated |
Front Wet Disc Brake Surface Area |
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12662 in² |
Rear - Wet Disc Brake Surface Area |
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20861 in² |
Standards |
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(Service and Secondary) ISO 3450:2011 |
Parking Brake |
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Four-corner, Multi-disc, Spring applied, Hydraulically Released |
Capacity - HP Body - 100% Fill Factor |
Struck |
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77 m3(101 yd3) |
Heaped (SAE 2:1)* |
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143 m3(187 yd2) |
Note (1) |
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Consult your local Cat dealer for body recommendations |
Cab |
Air Conditioning |
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(HFC - 134A refrigerant) 24,500 Btu/hr |
Heater / Defroster |
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33300 Btu/h |
ROPS Standards (1) |
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The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. |
ROPS Standards (2) |
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ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. |
FOPS Standards |
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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. |
Dimensions (Approximate) |
Height - Top of ROPS |
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5550 mm |
Overall Body Length |
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12945 mm |
Inside Body Length |
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8730 mm |
Overall Length |
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12970 mm |
Wheel Base |
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57000 mm |
Rear Axle - Tail |
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3856 mm |
Ground Clearance |
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1304 mm |
Dump Clearance |
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1585 mm |
Loading Height - Empty |
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6147 mm |
Rear Sidewall Height |
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1010 mm |
Inside Body Depth - Maximum |
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3075 mm |
Overall Height - Body Raised |
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11534 mm |
Operating Width |
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7822 mm |
Centerline Front Tire Width |
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5410 mm |
Engine Guard Clearance |
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1290 mm |
Overall Canopy Width |
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7769 mm |
Outside Body Width |
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7123 mm |
Inside Body Width |
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6920 mm |
Front Canopy Height |
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6739 mm |
Rear Axle - Clearance |
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1263 mm |
Centerline of Rear Dual Tire Width |
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4695 mm |
Overall Tire Width |
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7120 mm |