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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 Less
Gross Power – SAE J1995 511.0 hp 381.0 kW Less
Net Power – SAE J1349 496.0 hp 370.0 kW Less
Net Power – ISO 14396 504.0 hp 376.0 kW Less
Bore 5.7 in 145.0 mm Less
Stroke 7.2 in 183.0 mm Less
Displacement 1106.0 in3 18.1 L Less
Engine Model – U.S. EPA Tier 2/EU Stage II Emission Level Equivalent Cat® C18 ACERT™ Cat® C18 ACERT™ Less
No Engine De-rating Required Below 10000.0 ft 3050.0 m Less
Peak Engine Torque Gross (SAE J1995) 1931.0 lbf-ft 2618.0 N·m Less
Peak Engine Torque Net (SAE J1349) 1887.0 lbf-ft 2558.0 N·m Less
Peak Engine Torque Speed 1200.0 rpm 1200.0 rpm Less


Rated Payload 45.2 tons 41.0 tonnes Less

Body Capacities

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


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

Sound Levels

Interior Cab 79.0 dB(A) 79.0 dB(A) Less

Operating Weights

Front Axle – Empty 42174.0 lb 19130.0 kg Less
Center Axle – Empty 15410.0 lb 6990.0 kg Less
Rear Axle – Empty 14881.0 lb 6750.0 kg Less
Total – Empty 72466.0 lb 32870.0 kg Less
Front Axle – Rated Load 13007.0 lb 5990.0 kg Less
Center Axle – Rated Load 38691.0 lb 17550.0 kg Less
Rear Axle – Rated Load 38691.0 lb 17550.0 kg Less
Total – Rated Load 90389.0 lb 41000.0 kg Less
Front Axle – Loaded 55182.0 lb 25030.0 kg Less
Center Axle – Loaded 54101.0 lb 24540.0 kg Less
Rear Axle – Loaded 53572.0 lb 24300.0 kg Less
Total – Loaded 162855.0 lb 73870.0 kg Less

Body Plate

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

Service Refill Capacities

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

Body Hoist

Raise Time 12.0 Seconds 12.0 Seconds Less
Lower Time 8.0 Seconds 8.0 Seconds Less


Lock to Lock 4.8 seconds @ 60 rpm 4.8 seconds @ 60 rpm Less


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

Turning Circle

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


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

745CStandard 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

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, 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)

745COptional 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