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The Cat 745 with a 25 m³ (32.7 yd³) 41 tonnes (45.2 tons) capacity brings a new level of operator comfort and features to the market in addition to the durability, high productivity and lower operating costs Cat Articulated Trucks are known for.<br>The all-new operator cabin is a leap into the next generation for Articulated Trucks, providing our operators the best place to help build the future.
| Engine Model | Cat C18 |
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1106 in³ |
| Net Power - ISO 14396 | 504 HP |
| Net Power - SAE J1349 | 496 HP |
| Gross Power - SAE J1995 | 511 HP |
| Engine Model - U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Tier 4 Final | Cat® C18 |
| Note (4) | DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications. |
| Note (1) | The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard. |
| No Engine De-rating Required Below | 10000 ft |
| Note (2) | The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed. |
| Note (3) | Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions. |
| Peak Engine Torque Gross (SAE J1995) | 1931 ft·lbf |
| Peak Engine Torque Speed | 1200 r/min |
| Peak Engine Torque Net (SAE J1349) | 1887 ft·lbf |
| Emissions | The 745 meets Tier 4 Final and Stage V emission standards. |
| Rated Payload | 45.2 t |
| Heaped (SAE 2:1) | 32.7 yd³ |
| Struck | 24.2 yd³ |
| Tailgate Heaped SAE 2:1 | 34.7 yd³ |
| Tailgate Struck | 25.5 yd³ |
| Forward - 1 | 3.8 mile/h |
| Forward - 2 | 5 mile/h |
| Forward - 3 | 7 mile/h |
| Forward - 4 | 8.8 mile/h |
| Forward - 5 | 11.6 mile/h |
| Forward - 6 | 14.2 mile/h |
| Forward - 7 | 19.6 mile/h |
| Reverse - 1 | 4 mile/h |
| Reverse - 2 | 9.1 mile/h |
| Forward - 8 | 23.5 mile/h |
| Forward - 9 | 34 mile/h |
| Interior Cab | 72 dB(A) |
| Note (1) | The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 76 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with the doors and windows closed. |
| Note (2) | 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 noisy environments. |
| Rear Axle - Rated Load | 38691 lb |
| Front Axle - Empty | 43515 lb |
| Total - Loaded | 163942 lb |
| Rear Axle - Empty | 14731 lb |
| Rear Axle - Loaded | 53422 lb |
| Total - Rated Load | 90390 lb |
| Front Axle - Rated Load | 13007 lb |
| Center Axle - Rated Load | 38691 lb |
| Total - Empty | 73553 lb |
| Front Axle - Loaded | 56522 lb |
| Center Axle - Loaded | 54000 lb |
| Center Axle - Empty | 15309 lb |
| Type | High Strength Brinell HB450 Wear Resistant Steel |
| Base | 0.55 in |
| Chute | 0.55 in |
| Side | 0.43 in |
| Front | 0.28 in |
| Fuel Tank | 145.3 gal (US) |
| Cooling System | 23.7 gal (US) |
| Engine Crankcase | 13.7 gal (US) |
| Steering/Hoist Hydraulic System | 36.9 gal (US) |
| Transmission - OTG | 19.8 gal (US) |
| DEF Tank | 5.3 gal (US) |
| Brake Cooling Tank | 17.69 gal (US) |
| Final Drive - Each | 1.3 gal (US) |
| Axles - Each | 15.8 gal (US) |
| Raise (automatic) | 13 s |
| Raise (manual) | 12 s |
| Lower (automatic) | 10 s |
| Lower (manual) | 10 s |
| Lock to Lock | 4.8 seconds @ 60 rpm |
| Brakes | ISO 3450 – 2011 |
| Cab - FOPS | ISO 3449 Level II – 2005 |
| Cab - ROPS | ISO 3471 – 2008 |
| Steering | ISO 5010 – 2007 |
| Turning Dimensions - Aisle Width | 233 in |
| Turning Dimensions - Inside Radius | 174 in |
| Turning Dimensions - Clearance Radius | 356 in |
| Turning Dimensions - SAE Turning Radius | 340 in |
| Note | Dimensions are for machines equipped with 29.5R25 tires. |
| Turning Dimensions - Steer Angle - Left/Right | 45 deg |
| Hydraulic Excavator: 390 - Passes | 4 |
| Wheel Loader: 982 - Passes | 4 |
| Wheel Loader: 972 - Passes | 43926 |
| Hydraulic Excavator: 374 - Passes | 5 |
| Note | An optimum system match gives you a major productivity advantage. Having matched loading and hauling tools results in increased production and lower system costs per unit of volume moved. |
| Wheel Loader: 980 - Passes | 43926 |
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