Customize the Cat 745 articulated truck bare chassis for your application.
745 Bare Chassis
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.

Engine Model
Cat® C18
Bore
5.7 in
Stroke
7.2 in
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
Engine Model
Cat® C18
Bore
5.7 in
Stroke
7.2 in
Displacement
1106 in³
Gross Power - SAE J1995
511 HP
Net Power - SAE J1349
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
Specification
Value
Standard Wheel Base
180.7 in
Long Wheel Base
228.4 in
Specification
Value
Rated Payload
55 ton (US)
Specification
Value
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
Specification
Value
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)
Specification
Value
Interior Cab
72 dB(A)
Specification
Value
Brakes
ISO 3450:2011
Cab - FOPS
ISO 3449:2005 Level II
Cab - ROPS
ISO 3471:2008
Steering
ISO 5010:2019
Specification
Value
Lock to Lock
4.8 seconds at 60 rpm
Specification
Value
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.
  • The 745 can be ordered with or without hoist cylinders, and in standard wheel base (SWB) or long wheel base (LWB) configurations through your local Cat dealer.
  • Cat® Articulated Truck Bare Chassis are rugged and reliable platforms for water truck applications in both mining and construction projects.
  • Using an articulated truck bare chassis provides a flexible solution that is ideal for dust suppression, road construction, fire protection, and other applications.
  • Caterpillar works with OEMs worldwide to match various size water tanks with our bare chassis machines, all through your local Cat dealer, to provide the best solution for your business.
  • Cat Articulated Truck Bare Chassis are rugged and reliable platforms for service truck applications in both mining and construction projects.
  • Using an articulated truck bare chassis provides a flexible solution that is ideal for delivering fuel and preventive maintenance lubrication to your site's machine fleet.
  • Caterpillar works with OEMs worldwide to match various size service tanks with our bare chassis machines, all through your local Cat dealer, to provide the best solution for your business.
  • Cat Articulated Truck Bare Chassis are rugged and reliable platforms for specialty body applications.
  • Using an articulated truck bare chassis provides a flexible solution that is ideal for hauling coal or waste, container trucks or hooklifts, cable reel trucks, and other applications.
  • Caterpillar works with OEMs worldwide to match various size service tanks with our bare chassis machines, all through your local Cat dealer, to provide the best solution for your business.
  • Cat Articulated Truck Bare Chassis are rugged and reliable platforms for forestry applications.
  • Using an articulated truck bare chassis provides a flexible solution that is ideal for hauling logs and other applications.
  • Caterpillar works with OEMs worldwide to match various size service tanks with our bare chassis machines, all through your local Cat dealer, to provide the best solution for your business.