Cat 745 dumper

745 Articulated Truck

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Cat 745 dumper hæver barren for førerkomfort og ydeevne.


Engine Model Cat C18 ACERT
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Engine Model - U.S. EPA Tier 4 Final, EU Stage IV, Japan 2014, Korea Tier 4 Final Cat® C18 ACERT™
Gross Power - SAE J1995 381 kW
Net Power - ISO 14396 376 kW
Net Power - SAE J1349 370 kW
Emissions The 745 meets Tier 4 Final/Stage IV emission standards.
No Engine De-rating Required Below 3050 m
Note (1) The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard.
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.
Note (3) Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions.
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
Peak Engine Torque Gross (SAE J1995) 2618 N·m
Peak Engine Torque Net (SAE J1349) 2558 N·m
Peak Engine Torque Speed 1200 r/min
Rated Payload 41 t
Body Capacities
Heaped (SAE 2:1) 25 m³
Struck 18.5 m³
Tailgate Heaped SAE 2:1 26.5 m³
Tailgate Struck 19.5 m³
Forward - 1 6.1 km/h
Forward - 2 8.1 km/h
Forward - 3 11.2 km/h
Forward - 4 14.1 km/h
Forward - 5 18.7 km/h
Forward - 6 22.9 km/h
Forward - 7 31.5 km/h
Reverse - 1 6.4 km/h
Reverse - 2 14.6 km/h
Forward - 8 37.9 km/h
Forward - 9 54.8 km/h
Sound Levels
Interior Cab 72 dB(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.
Operating Weights
Center Axle - Empty 6944 kg
Center Axle - Loaded 24494 kg
Center Axle - Rated Load 17550 kg
Front Axle - Empty 19738 kg
Front Axle - Loaded 25638 kg
Front Axle - Rated Load 5900 kg
Rear Axle - Empty 6682 kg
Rear Axle - Loaded 24232 kg
Rear Axle - Rated Load 17550 kg
Total - Empty 33363 kg
Total - Loaded 74363 kg
Total - Rated Load 41000 kg
Body Plate
Type High Strength Brinell HB450 Wear Resistant Steel
Base 14 mm
Chute 14 mm
Front 7 mm
Side 11 mm
Service Refill Capacities
Fuel Tank 550 l
Cooling System 90 l
Engine Crankcase 52 l
DEF Tank 25 l
Steering/Hoist Hydraulic System 140 l
Transmission - OTG 75 l
Brake Cooling Tank 67 l
Axles - Each 60 l
Final Drive - Each 5 l
Body Hoist
Raise (automatic) 13 s
Raise (manual) 12 s
Lower (automatic) 10 s
Lower (manual) 10 s
Lock to Lock 4.8 seconds @ 60 rpm
Brakes ISO 3450 – 2011
Cab - FOPS ISO 3449 Level II – 2005
Cab - ROPS ISO 3471 – 2008
Steering ISO 5010 – 2007
Turning Circle
Note Dimensions are for machines equipped with 29.5R25 tires.
Turning Dimensions - Aisle Width 5917 mm
Turning Dimensions - Clearance Radius 9082 mm
Turning Dimensions - Inside Radius 4413 mm
Turning Dimensions - SAE Turning Radius 8625 mm
Turning Dimensions - Steer Angle - Left/Right 45 deg
Optimal Loader/Truck Pass Matching
Hydraulic Excavator: 374 - Passes 5
Hydraulic Excavator: 390 - Passes 4
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: 972 - Passes 4-5
Wheel Loader: 980 - Passes 4-5
Wheel Loader: 982 - Passes 4


Ease of Operation

Control Layout
The new cab is designed to make all aspects of machine operation as simple as possible for every operator. The controls and gauges are easy to read and straightforward to use, allowing the operator to focus on safe machine operation while maintaining productivity.
Combined Hoist/Transmission Lever
Unique to Cat Articulated Trucks, the combined hoist/transmission lever provides easy, intuitive control of gears and hoist functions. The new assisted hoist system gives improved control to the operator, allowing for faster cycle times and less control movements.
Offering both automatic and manual options, the system gives operators flexibility to choose their preferred method of control. When using the automatic system to tip a load, the machine neutralizes the transmission, applies the service brakes and hoists the body to maximum angle at the required engine rpm. When lowering the body this feature prevents a hard stop onto frame, eliminating shock loads and potential damage. Automatic use can reduce operator interactions by up to 50 percent depending on the site tipping procedure.
Also incorporated into the lever are waiting brake, transmission hold, machine speed limiter and parking brake selection. This gives operating a more automotive feel. No separate switch is now needed; you just push the lever into park.
The newly styled and updated dash puts all controls within easy reach of the operator. It features LED illuminated rocker switches for easy use in all operating conditions. The fit and finish delivers an automotive feel with the industrial strength you would expect from Caterpillar.
Touch Screen Display
The updated touch screen dash mounted display allows the operator to monitor and adjust various levels of machine performance and condition, as well as machine warning categories. These include configuration settings, operator and machine totals, service information, various machine status parameters, machine payload information (when fitted), stability assist, and the video feed from the rearview camera.
Bluetooth® Stereo Connectivity
Make and receive hands free calls via the optional Bluetooth equipped stereo with clearer quality due to the quieter cab and upgraded speakers.

Operator Environment

Spacious Two-Person Cab
The large open cab with increased headroom, offers a comfortable working space for both the operator and an additional person (e.g. training purposes). The second seat is fully padded with a backrest and a wide, retractable seat belt for a secure and comfortable ride. Positioned adjacent to the operator, the seat gives the trainer a clear view of the instrument panel, controls and the road ahead.
Increased and Improved Storage
A new large side storage box is heated or cooled by the HVAC system depending on operator preference. Twin cup holders and multiple storage spaces have also been introduced to help give operators an uncluttered workspace.
Air Suspension Seat
The new air suspension seat gives an increased range of adjustments over previous offerings including fore/aft isolation, which dramatically reduces horizontal vibrations and jolts.
This provides a greater number of operators with the ability to tailor their seating position for a more comfortable working day. The seat is fitted with variable climate control as standard.
Cab Atmosphere
The improved climate control system gives you the option to maintain the temperature desired by the operator. The addition of Infra Red Reflective (IRR) glass and integrated window blinds helps guard against the effects of bright sunlight.
A reduction to in-cab noise (–7 dB from previous model) contributes to a more comfortable working environment for the operator, all day, every day.


Every Tier 4 Final/Stage IV Cat engine with ACERT Technology is equipped with a combination of proven electronic, fuel, air and aftertreatment components. The right technologies fine-tuned for the right applications result in:
  • All new Eco mode, which can provide an average reduction in fuel consumption of 5 percent over normal operation.
  • High machine performance across all applications.
  • Enhanced reliability through commonality and simplicity of design.
  • Maximized uptime and reduced cost with world-class support from the Cat dealer network.
  • Minimized impact of emission systems: designed to operate without requiring interaction.
  • Durable designs with long life to overhaul.
  • Delivering better fuel economy with minimized maintenance costs while providing the same great power and response.
Advanced MEUI™-C Injector
Advanced MEUI-C injector platforms deliver increased injection pressures and more precise fuel rates. These durable injectors enhance responsiveness while controlling soot.
Innovative Air Management
Cat Tier 4 Final/Stage IV engines feature innovative air-management systems that optimize airflow and enhance power, efficiency and reliability.
Cat NOx Reduction System (NRS)
The NRS captures and cools a small quantity of exhaust gas, then routes it back into the combustion chamber where it drives down combustion temperatures and reduces NOx emissions.
Aftertreatment Technologies
The aftertreatment solution utilized for Tier 4 Final/Stage IV products is the next evolutionary step for Cat engines with ACERT Technology. To meet the additional 80 percent reduction in NOx emissions required by Tier 4 Final/Stage IV emission standards.
Diesel Exhaust Fluid (DEF)
Cat engines equipped with a SCR system inject DEF into the exhaust to reduce NOx emissions.
DEF is a precisely mixed solution of 32.5 percent high purity chemical grade urea and 67.5 percent de-ionized water.
Engine Compression Brake
The engine compression brake improves retarding response and increases retarding power for controlled descent of grades.


The Cat High Density Power Shift (HDPS) nine-speed forward, two-speed reverse transmission, designed specifically for Articulated Trucks, features Advanced Productivity Electronic Control Strategy (APECS) and Electronic Clutch Pressure Control (ECPC) that deliver smooth gear changes with improved acceleration and higher productivity.
Speed hold/limiting function allows the machine speed to be limited in 1 km/h or 1 mph steps to conform to site speed restrictions.
Gearshifts are configured to maintain direct drive lock-up, and reduce dropping into converter drive. Decreasing the use of torque converter drive aids in maintaining ground speed and gradeability.
Variable gearshift points are used based on the operating conditions, which also aid in maintaining ground speed during gear changes on grades.
Torque Converter
Large diameter torque converter, configured for off-highway applications, allows the higher engine power to be transmitted more efficiently to the lower power train.

Automatic Features

Advanced Automatic Traction Control (AATC)
Proactive application of the inter and cross-axle differential locks is ‘on-the-go' and fully automatic. The operator does not have to think about when and where to engage either diff lock. Sensors monitor the machine and wheel speeds, enabling instant response in high rolling resistance conditions. Operation is seamless and smooth, eliminating wheel slip for maximum traction and therefore productivity.
Clutches are automatically disengaged when ground conditions allow, maximizing efficiency when steering or when on uneven ground.
AATC reduces tire and driveline abuse, eliminating lost machine efficiencies caused by improper manual operation of the differential clutches and reducing the cost of premature tire replacement.
Automatic Retarder Control (ARC)
In automatic mode, use of the retarder is much easier for the operator. As with AATC a number of machine operating aspects are monitored, and if required the engine compression brake is engaged automatically. The system can help towards eliminating engine overspeed, improving safe machine operation and reducing cycle times, yet still having the flexibility of manual control if needed.
Assisted Dumping System
Tipping of the dump body can be done automatically with the new Assisted Hoisting Control. Flick the new body raise/lower switch and the machine will apply the service brakes, switch the transmission to neutral and raise the body at the required engine rpm. Lowering the dump body is done the same way, flick the switch and the machine will lower the body and place it in float. Two flicks, one up, one down.

Suspension and Braking

Front Suspension
The three-point front suspension design provides the mechanism required to travel at speed over rough terrain and softens impact loads on structures and components. Large bore, low-pressure cylinders are purposely designed for Articulated Truck applications and offer a soft, smooth ride for the operator.
A-Frame Construction
The front suspension uses an oscillating A-frame with a lateral tie rod to control axle sideways movement and stability.
Rear Suspension
The rear suspension features a walking beam with Caterpillar designed rear suspension mounts, which have long life and provide a reliable, and stable ride for excellent load retention.
Axle Enclosed Wet Brakes
All axle enclosed wet brakes provide high retarding and braking performance with improved holding on grades.
Hill Assist
Hill assist reduces potential ‘roll-back' on grades. If an operator stops the machine on a grade, when taking his foot off the service brake pedal, the machine will automatically hold the service brakes on for a number of seconds to prevent the machine from rolling backwards.
Waiting Brake
Waiting brake applies the service brakes when neutral gear is selected, allowing quick and easy control of the machine at the load or dump area.

Durability and Reliability

Front Frame
The front frame design features a large box section and wide, stiff frame beams to handle torque loads. The divergent frame design decreases stress in the hitch area and optimizes suspension geometry. The frame design makes maximum use of robotic welding for increased durability.
Rear Frame
Twin-box construction minimizes stress concentrations and provides low weight with long service life.
Articulating/Oscillating Hitch
The articulating hitch provides the truck with steering articulation, and the oscillation ensures all-wheel ground contact in rough terrain.
Hitch Construction
Field proven two-piece construction features a durable cast steel head bolted to a hard wearing forged steel tube.
Dump Body Design
The 745 has a large target area to provide consistently high load-carrying capacity. Body design aids in clean material discharge, maximizing production and avoiding carry-back.
Output Transfer Gear (OTG)
The output transfer gear distributes drive to the tractor and trailer and includes a wet clutch differential lock for optimum traction in poor underfoot conditions.
Service Brakes
The full power hydraulic system actuates enclosed, oil immersed, multi disc, multi plate brakes with independent front and rear circuits and accumulators. This dual-circuit, all wheel braking system provides the braking performance required to support maximum productivity.
Parking Brake
The parking brake is located on the center axle in an elevated position, it is spring applied and hydraulically released.

Integrated Technologies

Cat Connect makes smart use of technology and services to improve your job site efficiency. Using the data from technology-equipped machines, you'll get more information and insight into your equipment and operations than ever before.
Cat Connect technologies offer improvements in these key areas:
Equipment Management – increase uptime and reduce operating costs.
Productivity – monitor production and manage job site efficiency.
Safety – enhance job site awareness to keep your people and equipment safe.
LINK Technologies
LINK technologies, like Product Link wirelessly connect you to your equipment, giving you valuable insight into how your machine or fleet is performing. The system tracks location, hours, fuel usage, productivity, idle time, and diagnostic codes through the online VisionLink user interface so you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower costs.
PAYLOAD Technologies
PAYLOAD technologies like Cat Production Measurement bring payload weighing to the cab to help optimize job site efficiency and productivity. Operators can view real-time load weights on the integrated display and know precisely when target is achieved, while cab-mounted external payload lights on all four corners, signal the loader operator when to stop, reducing machine overloading. Operators can track daily productivity from the cab, with quick access to truck payload weights, loads and cycle counts, and daily totals; or remotely via LINK technologies.
Cat Detect with Stability Assist
Cat Detect with Stability Assist warns the operator if machine is approaching an unsafe angle during operation; when driving and tipping. If using the assisted hoist, the machine will stop hoisting the body and give an audible and visual warning. The system monitors angles of tractor, trailer and grade independently. This increases operator awareness of machine stability during operation. All tractor and/or trailer rollover events are logged and reported via VisionLink.


Long Service Intervals
Changes to oil change intervals, volumes and the type of oil required will help lower maintenance costs and machine downtime.
Lubrication Points
Lubrication points are grouped in the hitch area for ease of servicing. Universal joints are lubed for life, eliminating any maintenance. An Autolube system is also optional and now includes alerts via Product Link for low grease levels.
Service Points
Service points are mounted on the left side of the engine under the electrically raised hood:
  • Engine dipstick and fill cap
  • Transmission dipstick and fill cap
  • Air, fuel water separator and fuel filters
  • Electrically operated fuel-priming pump
  • Coolant level indicator and fill cap are outside the cab
The radiator package is located behind the cab, which provides protection from frontal impacts and offers easy access to the inlet and outlet sides of the radiator.
Extended Life Coolant
Extended Life Coolant extends the change interval and improves component life by reducing aluminum corrosion.
Electrical Service Center
Located inside the cab, this service center provides a power port, diagnostic connector and Cat Data Link connector.
Cat Data Link Connector
The Cat Data Link connector provides a plug-in using a laptop with Electronic Technician (ET) software.
Service Access
The cab tilts to the side to provide easy access underneath, which simplifies access to the transmission, drive shafts and hydraulic pumps. Machine electrical and hydraulic interfaces are located on the external right-hand side of the cab, behind a removable body panel providing easy access.

Complete Customer Support

Make comparisons of the machines you are considering before you buy. Your Cat dealer can help.
Consider the resale value; compare productivity and day-to-day operating costs and fuel consumption.
For the best operating techniques to increase productivity and your profit, turn to your Cat dealer for the latest training literature and trained staff.
Repair option programs guarantee the cost of repairs up front. Diagnostic programs such as S·O·SSM and Technical Analysis help you avoid unscheduled repairs.
Repair or rebuild? Your Cat dealer can help you evaluate the costs so you can make the right choice.
Product Support
Your local Cat dealership will be with you every step of the way with its unsurpassed worldwide parts support, trained technicians and customer support agreements.
For more complete information on Cat products, dealer services and industry solutions, visit us on the web at


All Cat Articulated Trucks are designed to maximize efficiency and productivity while conserving natural resources.
Oil Volumes
The amount of both hydraulic and engine oil required has been lowered, reducing waste oil disposal.
Air Quality
The Cat C18 ACERT engine incorporating the Cat Clean Emission Module (CEM) meets Tier 4 Final/Stage IV emission standards and has the flexibility of running on either ultra-low-sulfur diesel (ULSD, with 15 ppm sulfur or less) fuel or biodiesel blended with ULSD.
Recycle Waste
The Caterpillar Design, Manufacturing, Assembly and Test Site at Peterlee in England recycle 98 percent of all waste produced with zero waste to landfill.
Second Life
Cat Articulated Trucks are fully supported by the Cat Reman Service, providing same-as-new performance and reliability at a fraction of the cost of new parts, while reducing the negative impact on the environment.


Product Safety
Caterpillar has been and continues to be proactive in developing machines that meet or exceed safety standards. Safety is an integral part of all machine and system designs.
Safety Features
  • Seat belt in use indicator (four-point seat belt available as an option)
  • Operator presence detection (prevents gear engagement when operator is not seated)
  • Additional mirror for front of machine visibility
  • Body raised visual indicator
  • Cab integral Roll Over Protection System (ROPS) and Falling Object Protection System (FOPS)
  • Electro-hydraulic secondary steering system automatically activates in forward/reverse or when stationary if low pressure is sensed; can be manually selected for machine recovery purposes
  • Extensive handrails
  • External electrical system disconnect switch for easy access from outside of the machine
  • Fire extinguisher in-cab mounting point
  • Fully raised body locking pin
  • Ground level external engine fuel cut-off switch provides easy access outside of the machine
  • Heated mirrors (optional)
  • In-cab emergency brake switch
  • Internal and external grab handles
  • LED-flashing beacon (optional)
  • Maximum speed limiter
  • Multiple camera compatible
  • New access lights
  • Rearview camera system is fitted as standard. The video feed is shown on the touch screen display when reverse gear is selected. It can also be enabled to show at all times if required.
  • Reversing indicator
  • Slip resistant walkways – punched steel plate
  • The parking brake functions are spring applied and hydraulic released
  • Cab mounted, wide angled, folding mirrors
  • Cat Detect with Stability Assist

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