745 Articulated Truck

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 5.7in
Stroke 7.2in
Displacement 1106in³
Net Power - SAE J1349 496HP
Gross Power - SAE J1995 511HP
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 certificatio
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 10000ft
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.
Net Power - ISO 14396 504HP
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) 1931ft·lbf
Peak Engine Torque Speed 1200r/min
Peak Engine Torque Net (SAE J1349) 1887ft·lbf
Emissions The 745 meets Tier 4 Final and Stage V emission standards.


Rated Payload 45.2t

Body Capacities

Heaped (SAE 2:1) 32.7yd³
Struck 24.2yd³
Tailgate Heaped SAE 2:1 34.7yd³
Tailgate Struck 25.5yd³


Forward - 1 3.8mile/h
Forward - 2 5mile/h
Forward - 3 7mile/h
Forward - 4 8.8mile/h
Forward - 5 11.6mile/h
Forward - 6 14.2mile/h
Forward - 7 19.6mile/h
Forward - 8 23.5mile/h
Reverse - 1 4mile/h
Reverse - 2 9.1mile/h
Forward - 9 34mile/h

Service Refill Capacities

Fuel Tank 145.3gal (US)
Cooling System 23.7gal (US)
Engine Crankcase 13.7gal (US)
Steering/Hoist Hydraulic System 36.9gal (US)
Transmission - OTG 19.8gal (US)
DEF Tank 5.3gal (US)
Final Drive - Each 1.3gal (US)
Axles - Each 15.8gal (US)
Brake Cooling Tank 17.69gal (US)

Sound Levels

Interior Cab 72dB(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
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.


Brakes ISO 3450 – 2011
Cab - FOPS ISO 3449 Level II – 2005
Cab - ROPS ISO 3471 – 2008
Steering ISO 5010 – 2007

Operating Weights

Rear Axle - Rated Load 38691lb
Front Axle - Empty 43515lb
Total - Loaded 163942lb
Rear Axle - Empty 14731lb
Rear Axle - Loaded 53422lb
Total - Rated Load 90390lb
Front Axle - Rated Load 13007lb
Center Axle - Rated Load 38691lb
Total - Empty 73553lb
Front Axle - Loaded 56522lb
Center Axle - Loaded 54000lb
Center Axle - Empty 15309lb

Body Plate

Type High Strength Brinell HB450 Wear Resistant Steel
Base 0.55in
Chute 0.55in
Side 0.43in
Front 0.28in

Body Hoist

Raise (automatic) 13s
Raise (manual) 12s
Lower (automatic) 10s
Lower (manual) 10s


Lock to Lock 4.8 seconds @ 60 rpm

Turning Circle

Turning Dimensions - Aisle Width 233in
Turning Dimensions - Inside Radius 174in
Turning Dimensions - Clearance Radius 356in
Turning Dimensions - SAE Turning Radius 340in
Note Dimensions are for machines equipped with 29.5R25 tires.
Turning Dimensions - Steer Angle - Left/Right 45 deg

Optimal Loader/Truck Pass Matching

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

Standard Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Operator Environment
    • Machine operation monitoring system includes:
      – Action lamp
      – Engine oil pressure
      – Primary steering system
      – Left and right turn signal
      – High beam
      – Coolant temperature
      – Tachometer
      – Parking brake
      – Fuel level
      – Transmission oil temperature
      – Brake system
      – Transmission hold
      – Hoist control
      – Hydraulic system
      – Charging system
      – Retarder
      – Transmission fault
      – Traction control system
      – Check engine lamp
    • Two seat belts, operator's retractable
    • Sun visor
    • Window blinds
    • Glass windows:
      – Front, laminated and tinted
      – Sides and rear, toughened and tinted
    • Combined gear selection and hoist control lever
    • Windshield wiper and washer, two speed, intermittent (front)
    • Storage:
      – Cup holder
      – Flask receptacle
      – Under seat storage
      – Door pocket
      – Behind seat storage
      – Coat hook
    • Windshield wiper and washer, two speed (rear)
    • Adjustable air vents
    • Seats:
      – Fully adjustable, air suspension, heated/cooled
      – Padded trainer with lap belt
    • Liquid Crystal Display (LCD):
      – Alert indicator
      – Selected gear and direction
      – Speed or auto shift
      – Review Operation and Maintenance Manual (OMM)
      – Primary steering failure
      – Seat belt warning
      – Secondary steering failure
      – Diesel Particulate Filter (DPF) regeneration filter
      – Machine Security System (MSS)
      – Secondary steering energy source engaged
      – Hour meter
      – Retarder active
    • Tilt and telescopic steering wheel
    • Secondary steering – electro hydraulic
    • Touch screen display incorporating the rearview camera video feed
    • Air conditioning with R134A refrigerant
    • Windows opening side, tinted
    • Mirrors: extensive arrangement for improved visibility
    • Heater and defroster with four-speed fan
  • Cat Technologies
    • Product Link: PL631 or PL641 dependent on location and licensing agreement
    • Cat Detect with Stability Assist
  • Electrical And Lighting
    • Batteries (two) maintenance free
    • Electrical system: 24-volt, 5A 24- to 12-volt converter
    • Horn
    • Lighting systems:
      – Cab interior
      – Two head lamps
      – Two width marker
      – Two reversing
      – Work light
      – Two stop/tail lights
      – Front and rear direction indicators
    • Main disconnect switch
    • Remote starting receptacle (cables not included)
  • Power Train
    • Auto shift nine-speed forward and two reverse transmission
    • Cat C18 engine
    • Cat Clean Emission Module (CEM) and exhaust aftertreatment package
    • Differentials: standard with automatic clutched inter and cross-axle differential locks
    • Dual circuit oil immersed, enclosed brakes – all wheels
    • Retarder: engine compression brake
    • Three axle, six-wheel drive
  • Safety
    • Reverse alarm
    • Rearview camera
    • ROPS/FOPS cab
  • Guards
    • Rear window
    • Radiator
    • Crankcase
    • Axle
    • Front dump body spill guard, integral part of fabricated body
  • Other Standard Equipment
    • Mud flaps: wheel arch and body mounted with transportation tiebacks
    • S·O·S sampling valves
    • Tires, six 29.5R25, radial
    • Vandalism protection: lockable caps for fuel tank and hydraulic oil tank

Optional Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Optional Equipment
    • Auto lube installation for automatic greasing of bearings
    • Bare chassis (no body) standard wheel base
    • Bare chassis (no body) long wheel base
    • Body liners
    • Bluetooth radio stereo system
    • Cat Production Measurement payload monitoring system
    • Cold weather coolant –51° C (–60° F)
    • Cold weather start attachment
    • Engine block heater
    • Ether start
    • Exhaust heated body
    • Fast fuel fill
    • Fender extension
    • Flashing LED beacon
    • Four-point seat belt
    • Fuel additive – anti-waxing
    • Heated rearview motorized mirrors
    • Machine Security System (MSS)
    • Product Link Elite: PLE631 (satellite), PLE641 (cellular)
    • Roof mounted High Intensity Discharge (HID) work lights
    • Scissor tailgate
    • Sound suppression
    • 875/65 R29 wide tires