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The Cat 745C with a 25 m3 (32.7 yd3) 41 tonnes (45.2 tons) increased capacity offers proven reliability, durability, high productivity, superior operator comfort and lower operating costs. With a focus on high productivity, the 745C has many updated and improved features, an all new power train and new ease of operation features including Automatic Retarder Control.


  • Engine Model Cat C18 ACERT Cat C18 ACERT
  • Bore 5.7 in 145.0 mm
  • Stroke 7.2 in 183.0 mm
  • Displacement 1106.0 in3 18.1 L
  • Gross Power – SAE J1995 511.0 hp 381.0 kW
  • Net Power – SAE J1349 496.0 hp 370.0 kW
  • Engine Model – U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)/Korea Tier 4 Final Cat® C18 ACERT™ Cat® C18 ACERT™
  • Net Power – ISO 14396 504.0 hp 376.0 kW
  • No Engine De-rating Required Below 10000.0 ft 3050.0 m
  • Peak Engine Torque Gross (SAE J1995) 1931.0 lbf-ft 2618.0 N·m
  • Peak Engine Torque Net (SAE J1349) 1887.0 lbf-ft 2558.0 N·m
  • Peak Engine Torque Speed 1200.0 rpm 1200.0 rpm


  • Rated Payload 45.2 tons 41.0 tonnes

Body Capacities

  • Heaped SAE 2:1 32.7 yd3 25.0 m3
  • Struck 24.2 yd3 18.5 m3
  • Tailgate Heaped SAE 2:1 34.7 yd3 26.5 m3
  • Tailgate Struck 25.5 yd3 19.5 m3


  • Forward 1 3.8 mph 6.1 km/h
  • Forward 2 5.0 mph 8.1 km/h
  • Forward 3 7.0 mph 11.2 km/h
  • Forward 4 8.8 mph 14.1 km/h
  • Forward 5 11.6 mph 18.7 km/h
  • Forward 6 14.2 mph 22.9 km/h
  • Forward 7 19.6 mph 31.5 km/h
  • Forward 8 23.5 mph 37.9 km/h
  • Forward 9 34.0 mph 54.8 km/h
  • Reverse 1 4.0 mph 6.4 km/h
  • Reverse 2 9.1 mph 14.6 km/h

Sound Levels

  • Interior Cab 79.0 dB(A) 79.0 dB(A)

Operating Weights

  • Front Axle – Empty 43585.0 lb 19770.0 kg
  • Center Axle – Empty 15300.0 lb 6940.0 kg
  • Rear Axle – Empty 14749.0 lb 6690.0 kg
  • Total – Empty 73634.0 lb 33400.0 kg
  • Front Axle – Rated Load 13007.0 lb 5990.0 kg
  • Center Axle – Rated Load 38691.0 lb 17550.0 kg
  • Rear Axle – Rated Load 38691.0 lb 17550.0 kg
  • Total – Rated Load 90389.0 lb 41000.0 kg
  • Front Axle – Loaded 56593.0 lb 25670.0 kg
  • Center Axle – Loaded 53991.0 lb 24490.0 kg
  • Rear Axle – Loaded 53440.0 lb 24240.0 kg
  • Total – Loaded 164024.0 lb 74400.0 kg

Body Plate

  • Type High strength Brinell HB450 wear resistant steel High strength Brinell HB450 wear resistant steel

Service Refill Capacities

  • Fuel Tank 145.3 gal 550.0 L
  • Cooling System 23.7 gal 90.0 L
  • Engine Crankcase 13.7 gal 52.0 L
  • DEF Tank 6.6 gal 25.0 L
  • Steering/Hoist Hydraulic System 36.9 gal 140.0 L
  • Transmission/OTG 19.8 gal 75.0 L
  • Final Drives (Each) 1.3 gal 5.0 L
  • Axles (Each) 15.8 gal 60.0 L
  • Brake Cooling Tank 17.69 gal 67.0 L

Body Hoist

  • Raise Time 12.0 Seconds 12.0 Seconds
  • Lower Time 8.0 Seconds 8.0 Seconds


  • Lock to Lock 4.8 seconds @ 60 rpm 4.8 seconds @ 60 rpm


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

Turning Circle

  • Note Dimensions are for machines equipped with 29.5R25 tires. Dimensions are for machines equipped with 29.5R25 tires.
  • Turning dimensions: Steer Angle – left/right 45° 45°
  • Turning dimensions: SAE Turning Radius 340.0 in 8624.0 mm
  • Turning dimensions: Clearance Radius 358.0 in 9082.0 mm
  • Turning dimensions: Inside Radius 174.0 in 4413.0 mm
  • Turning dimensions: Aisle Width 235.0 in 5961.0 mm


Optimized performance, proven reliability


Class leading transmission technology

Automatic Features

Ease of use, improved performance

Suspension and Braking

Performance with comfort

Operator Environment

Improved productivity with a comfortable and confident operator

Ease of Operation

Designed around the operator

Durability and Reliability

Proven structures and components

Integrated Technologies

Monitor, manage, and enhance job site operations


Maximize uptime and reduce costs

Complete Customer Support

A commitment to your success


Making sustainable progress possible


Designed and built into every machine

745C Standard Equipment

Air conditioning with R134A refrigerant
Adjustable air vents
Auto shift nine-speed forward and two reverse transmission
Reverse alarm
Cat C18 ACERT engine
Cat rearview camera
Cat Clean Emission Module (CEM) and exhaust after treatment package
Color Multi-Purpose Display (CMPD) incorporating the rearview camera feed
Differentials: standard with automatic clutched inter and cross-axle differential locks
Dual circuit oil immersed, enclosed brakes – all wheels
Electrical system: 24 volt, 5A 24- to 12-volt converter
Electro hydraulic hoist control
Glass windows: laminated and tinted-front toughened and tinted-sides and rear
Guards: rear window, radiator, crankcase and axle
Heater and defroster with four-speed fan
Horn: electric
Lights: cab interior, front, width marker, side, rear, two reversing/work light, two stop/tail lights, front and rear direction indicators
Mirrors: Extensive arrangement for improved visibility
Mud flaps: wheel arch and body mounted with transportation tiebacks
Product Link: PL321 or PL522 dependent on location and licensing agreement
Retarder: engine compression brake
ROPS/FOPS cab, machine operation monitoring system includes:
  • Action lamp, engine oil pressure, primary steering system, left turn signal, high beam, coolant temperature, tachometer, parking brake, fuel level, right turn signal, transmission oil temperature, brake system, transmission hold, hoist control, hydraulic system, charging system, retarder, transmission fault, traction control system, check engine lamp
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, DPF regeneration filter, Machine Security System (MSS), secondary steering energy source engaged, hour meter and retarder active
Seat, fully adjustable, air suspension
Seat, padded companion/trainer
Secondary steering – electro hydraulic
S·O·S sampling valves
Spill guard, front, integral part of fabricated body
Starting receptacle, electric, remote
Storage: cup holder, flask receptacle, under seat storage, door pocket, behind seat storage, coat hook.
Sun visor
Three axle, six-wheel drive
Tilt and telescopic steering wheel
Tires, six 29.5R25, radial
Two seat belts, operator’s retractable
Vandalism protection: lockable caps for fuel tank and hydraulic oil tank
Windows opening side, tinted
Windshield wiper and washer, two speed, intermittent (front)
Windshield wiper and washer, two speed (rear)


745C Optional Equipment

Auto lube installation for automatic greasing of bearings
Body liners
Bluetooth radio stereo system.
Cold weather coolant –51° C (–60° F)
Cold weather start attachment
Engine block heater
Ether start
Exhaust heated body
Fast fuel fill
Flashing LED beacon
Fuel additive-anti-waxing
Heated seat
Heated rearview motorized mirrors
Machine Security System (MSS)
Product Link: PL321, PL522, VIMS™ Cellular, VIMS Satellite (where available)
Roof mounted High Intensity Discharge (HID) work lights
Scissor tailgate
875/65 R29 wide tires
Cat production measurement payload monitoring system
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*Currency conversions have been made where indicated for your convenience. You should not rely on such information as it is obtained from a third party, may not be accurate and is subject to fluctuation. Agreement regarding currency conversions, if any, will be made between you and the selling party.

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