The Cat® OEM 745 Bare Chassis is available in both standard and long wheel base. With up to a 49.9 tonnes (55 tons) capacity, the 745 bare chassis offers proven reliability, durability, high productivity, superior operator comfort and lower operating costs. The long wheel base configuration accommodates longer specialty OEM bodies, while retaining high-quality steering, braking, and ride characteristics.
A uniquely combined hoist and transmission lever allows for easy operation which suits a wide range of operator experience.
Quieter, more spacious cab with improved visibility helps operators work more productively throughout the day.
Safety features help increase operator confidence by providing a safer operation. The Operator-presence detection system applies parking brake if gear is engaged and operator is not seated.
| Engine Model | Cat® C18 |
|---|---|
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1106 in³ |
| Gross Power - SAE J1995:2014 | 511 hp |
| Net Power - SAE J1349:2011 | 496 hp |
| Peak Engine Torque Net (SAE J1349) | 1887 lb/ft |
| Peak Engine Torque Gross (SAE J1995) | 1931 lb/ft |
| Net Power - ISO 14396 | 447 hp |
| Peak Engine Torque Speed | 1200 r/min |
| No Engine De-rating Required Below | 10000 ft |
| Engine Model - U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)/Korea Tier 4 Final | Cat® C18 |
| Standard Wheel Base | 180.7 in |
|---|---|
| Long Wheel Base | 228.4 in |
| Rated Payload | 55 ton (US) |
|---|
| 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 |
| Forward - 8 | 23.5 mile/h |
| Forward - 9 | 34 mile/h |
| Reverse - 1 | 4 mile/h |
| Reverse - 2 | 9.1 mile/h |
| Fuel Tank | 145.3 gal (US) |
|---|---|
| DEF Tank | 5.3 gal (US) |
| Cooling System | 23.7 gal (US) |
| Brake Cooling Tank | 17.7 gal (US) |
| Steering/Hoist Hydraulic System | 36.9 gal (US) |
| Engine Crankcase | 13.7 gal (US) |
| Transmission - OTG | 19.8 gal (US) |
| Final Drive - Each | 1.3 gal (US) |
| Axles - Each | 15.8 gal (US) |
| Final Drives/Differential | 33 gal (US) |
| Interior Cab | 72 dB(A) |
|---|
| Brakes | ISO 3450:2011 |
|---|---|
| Cab - FOPS | ISO 3449:2005 Level II |
| Cab - ROPS | ISO 3471:2008 |
| Steering | ISO 5010:2019 |
| Lock to Lock | 4.8 seconds at 60 rpm |
|---|
| Turning Dimensions - Clearance Radius | 356 in |
|---|---|
| Turning Dimensions - Steer Angle - Left/Right | 45° |
| Turning Dimensions - SAE Turning Radius | 340 in |
| Turning Dimensions - Inside Radius | 174 in |
| Turning Dimensions - Aisle Width | 233 in |
| Note | Dimensions are for machines equipped with 29.5 R25 tires. |
