 |  | Cat C15® Engine with ACERT™ Technology
The core concept behind ACERT™ technology is advanced combustion. ACERT engine technology carefully controls the combustion process to reduce pollutant levels while maintaining performance and efficiency. |
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ACERT Technology
The Cat C15 ACERT engine uses advanced engine technology to meet worldwide emissions regulations. The electronic engine delivers improved performance, serviceability and reliability. The six-cylinder engine is turbocharged and aftercooled with a high displacement-to-horsepower ratio. The large engine displacement produces better lugging capability, lower internal stresses and longer component life. |
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C15 Block
The one-piece, gray iron block features generous ribbing for stiffness and heavy bearing bulkheads for rigidity and strength as the crankshaft turns. Straight O-ring connection points reduce the loss of engine oil and fluids. |
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Cylinder Head and Piston Technology
The C15 ACERT engine has a cross-flow cylinder head with refined port geometry, which provides improved breathing and better combustion. The Monotherm/steel pistons have a forged steel design, which offers high strength, light weight and tighter tolerances. The result is better oil control, minimal blow-by and long liner life. |
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 | | Advanced Diesel Engine Management (ADEM) A4 Engine Controller
The ADEM A4 electronic control module manages fuel delivery to get the best performance per liter or gallon of fuel used. The engine management system provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs. It tracks engine and machine conditions while keeping the engine operating at peak efficiency. |
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Fuel Delivery
Multiple injection fuel delivery involves a high degree of precision. Precisely shaping the combustion cycle lowers combustion chamber temperatures, generating fewer emissions and optimizing fuel combustion. This translates into more work output for your fuel cost. |
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Noise Reduction Technologies
Noise reduction has been achieved through design changes to the isolated top cover, oil pan, multiple injection strategy, insulated timing case cover, sculpted crankcase and gear train refinements. |
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 | | Performance and Productivity – Power Train
The Cat® C15 ACERT engine, matched with the seven-speed forward and two-speed reverse electronic controlled transmission, provides a wide operating range for smooth shifting. |
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Mechanically Actuated Electronic Unit Injection (MEUI)
A highly evolved fuel system with a proven record of reliability in the field. It combines the technical advancement of an electronic control system with the simplicity of direct mechanically controlled unit fuel injection. It excels in its ability to control injection pressure over the entire engine operating speed range. These features allow the C15 to have complete control over injection timing, duration and pressure. |
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Air-to-Air Aftercooling (ATAAC)
ATAAC keeps air intake temperatures down and, in concert with the tight tolerance combustion chamber components, maximizes fuel efficiency and minimizes emissions. Significant improvements in air flow are generated by a turbocharger, unique cross-flow head and a single overhead camshaft. |
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Wastegate Turbocharging
Single wastegate turbocharger provides higher boost over a wide range, outstanding low-end performance with improved peak torque and engine response. |
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Electronic Transmission
The Caterpillar electronically controlled transmission is designed specifically for the articulated truck and its applications. It features anti-hunt shift strategy for speed continuity, as well as Individual Clutch Modulation (ICM) to ensure constant shift times even when the oil is cold. The transmission has seven forward speeds and two reverse speeds. The forward gears provide a wide operating range and allow operators to precisely match working speeds to job conditions for maximum productivity. This also permits more time in efficient direct drive and less time in torque converter drive. The automotive style in-line shifter is located in a console on the operator's right and is designed to reduce operator fatigue. |
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Two Reverse Gears
The transmission arrangement provides a second reverse gear for improved performance when operating in longer rear hauling applications. First gear reverse is now of a lower ratio for increased rimpull on wet or steep grades where traction is a major requirement. |
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Controlled Throttle Shifting (CTS)
Transmission clutch life is a function of the number of shifts and the level of stress during each shift. CTS significantly reduces power train stress and clutch wear by controlling engine speed, torque converter lock-up and transmission clutch engagements. CTS helps extend transmission life. |
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Engine Overspeed Inhibitor
Electronic Transmission Control (ETC) protects against engine overspeeding by shifting the transmission up one gear at specified rpm settings. If the transmission is in its highest gear, torque converter lockup disengages. |
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Directional Shift Management
Regulates engine speed during directional shifts to prevent damage caused by high-speed directional changes. |
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Programmable Top Gear Selection
Electronic Transmission Control lets you electronically limit top gear selection without the use of additional service tooling or mechanical limiting of the shift cane. |
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 | | Caterpillar Engine Compression Brake
Provides extra braking effort on downhill grades. It is an excellent match for the C15 ACERT engine, turning it into a power absorbing air compressor. It has very fast response time and produces no additional heat, so it can be used continuously. |
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 | | Retarding Curve
To determine retarding performance, read from Gross Weight down to % Effective Grade. Effective Grade equals actual % favorable grade minus 1% for each 10 kg/tonne (20 lb/ton) of Rolling Resistance. From this point, read horizontally to the curve with the highest attainable speed range. Then, go down to Maximum Speed. Retarding effect on these curves represents full application of the engine compression brake. |
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Usable Rimpull
Power train components work together to offer more usable rimpull at higher speeds on effective grades. In first gear, the torque converter overcomes grade resistance by sending more torque to the wheels and preventing engine lugging. On downhill grades, the engine compression brake works like a brake by slowing the machine. |
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 | | Gradeability, Speed and Rimpull Graph
To determine performance, read from Gross Weight down to % Total Resistance. Total Resistance equals actual % grade plus 1% for each 10 kg/metric ton (20 lb/ton) of Rolling Resistance. From this point, read horizontally to the curve with the highest attainable speed range. Then, go down to Maximum Speed. Usable rimpull depends on traction available. |
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Hydraulic Fan
The remote-mounted hydraulic fan is temperature sensitive providing variable speeds when needed, which minimizes power requirements. The result is more power to the ground and faster cycle times. |
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 | | Performance and Productivity – Suspension and Traction Control
Three-point front suspension provides a smooth ride, allowing the operator to travel at speed over rough terrain. Cross-axle differential locking system provides full driveline locking for maximum performance in adverse conditions. |
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Front Suspension
The three-point front suspension oscillates ±6° to provide a smooth ride, allowing the operator to travel at speed over rough terrain and softening impact loads on structures and components. |
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A-Frame Construction
The front suspension uses an oscillating A-frame with a lateral tie rod to control axle sideways movement. The independent low-pressure, oil-nitrogen suspension cylinders provide an excellent ride in rough conditions. Low pressure ensures consistent damping and increased seal life. |
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Front Suspension Cylinders
Front suspension cylinders are designed for tough applications and offer a soft, smooth ride. |
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Mounting Points
Suspension mounting points are integrated into the axle housing, increasing reliability. |
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 | | Rear Suspension
The rear suspension features a walking beam geometry that extends component life and provides a stable ride for excellent load retention. The walking beams are connected to the axles by the Caterpillar elastomer suspension mounting, specifically designed for the articulated truck. |
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Suspension Design
Center and rear axle castings mount to A-frames, which attach to the rear frame by lateral tie rods and sealed, steel spherical bearings; steel bearings increase load-carrying capacity. The rugged low-maintenance system allows oscillation and independent wheel movement. The rear suspension design optimizes stability, traction and flotation. |
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Traction Control
The 740’s traction control system is comprised of a wet clutched inter-axle differential and wet clutched cross-axle differentials. To increase reliability, the 740 uses larger and fewer clutches. All differentials offer true on-the-go engagement and disengagement to keep the truck moving in all conditions and to avoid costly wheelspin. When used together, the differentials provide 100 percent lockup of all six wheels. |
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Inter-Axle Differential Lock
Locks all three axles in unison and modifies torque distribution for excellent traction in poor underfoot conditions and on grades. It is operated by a switch located at the footrest. |
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Cross-Axle Differential Locks
Provides full driveline locking – all three axles and all six wheels – for maximum performance in the most adverse conditions. Acts in unison with the inter-axle differential lock when the footswitch is actuated and the dash-mounted switch is selected. |
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Fast Hoist Cycle Times
The 740 body raises in 12 seconds and lowers in 7 seconds. It features a 71° hoist angle with power up and down for clean load ejection and fast dump cycles. Double-acting, single stage hoist cylinders and a powerful dedicated hydraulic system deliver class-leading performance. |
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 | | Enclosed, Oil-Cooled Brakes
Multi-plate, oil-immersed brakes are fitted to both front and center axles. These brakes provide outstanding stopping capability, while maintaining maximum durability and low wear characteristics. |
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Exhaust Heat System
The body comes exhaust heat ready. |
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 | | Load-Carrying Capacity
The 740 has a large target area to provide consistently high load-carrying capacity. Its diverging flow design gives clean load ejection, which maximizes production and avoids the waste of material carry-back. |
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 | | Operator Comfort
Large center-mounted cab, oscillating front axle, air suspension seat, full-size trainer seat and large storage space provide exceptional operator comfort. |
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Ride Comfort
The three-point front suspension with its oscillating axle and low-pressure ride struts, combined with the center-mounted cab, offers unrivaled levels of ride comfort for the operator in all driving conditions. The operator remains comfortable and productive throughout the day. |
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Spacious Two-Person Cab
The 740 features a large two-person cab, offering comfortable working space for both the operator and trainer or trainee. All 700 Family articulated trucks use the same spacious cab design. |
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Air Suspension Seat
The air suspension seat enhances operator comfort with a cushioned upper high back, adjustable damping with three settings, ride zone indicator and adjustable lumbar settings. It is fully adjustable to provide the optimal driving position. |
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 | | Storage Space
Plenty of storage space to create a safe, secure and uncluttered working environment. The cab features a handy storage "pocket" on the door and storage in the rear panel behind the operator. Storage space under the trainer seat has also been provided. |
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 | | Trainer Seat
Full-size trainer seat features a fully padded seat with a backrest and a wide, retractable seatbelt for a secure and comfortable ride. This seat is completely redesigned and offers significant improvements in comfort. The trainer seat is positioned next to the operator seat, giving both the operator and trainer a clear view of the instrument panel, controls and the road. |
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Heating/Ventilation/Air Conditioning
Twelve vents provide air distribution to keep the operator more comfortable and to provide rapid defrosting of all windows. Heating, air conditioning and defrosting are standard. The recirculation filter is positioned for easy servicing. |
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Radiator Mounting
The radiator is mounted at an angle to prevent heat transfer to the cab. |
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Dual-Sliding Window
The right-hand window is a dual-sliding window. Opening this window with the left rear hinged window provides cross-flow ventilation and enhanced operator comfort. |
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Sound Levels
Cab mounts are designed to reduce noise and vibration in the cab. All connections to the cab are resiliently mounted. The operator's station makes extensive use of sound-absorbing and barrier materials to keep sound levels low. |
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 | | Steering Column
Telescopic and tilt features provide a comfortable driving position. Column has two ergonomically designed control levers: engine compression brake control on the right and intermittent wiper-washer, turn signal, dimmer control and flash-to-pass function on the left. |
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 | | Ease of Operation
Ergonomically designed wrap-around dash, tilt and telescopic steering wheel, easy-to-reach controls and outstanding all-around viewing promote fast, confident machine operation. |
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Ergonomic Layout
The controls and layout of the cab are designed to make it as easy to operate as your car. Quick, easy to read and simple to operate, the controls and gauges on the 740 allow the operator to concentrate on production. |
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Dash
The Generation II wrap-around dash puts all controls within easy reach of the operator. Featuring LED illuminated rocker switches, large LCD display and a rear wash wipe rocker switch. It provides an automotive feel with the industrial strength you would expect from Caterpillar. |
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Viewing Area
The low sloping hood and placement of the cooling package behind the cab give the operator excellent all-around visibility. The large glass area and central operator position enhance visibility, resulting in more operator confidence and fast cycle times. The design of the door panel, body panels, dash, hood and rear window guard provide excellent visibility to the ground. |
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Wipers
The wet arm wiper system cleans more glass area and is bottom-mounted to keep it out of the operator's line of sight. Windows are tinted to reduce glare. |
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 | | Differential Lock Controls
The inter-axle differential lock is engaged/disengaged by using a raised switch incorporated into the drivers foot rest, for ease of operation. For 100% lock up, all three cross-axle differential locks act in unison with the inter-axle differential lock when the foot switch is activated and a dash mounted switch is selected. Disengaging the foot switch opens all differential locks immediately. |
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 | | Transmission and Hoist Levers
The hoist lever is positioned for easy, comfortable operation. The transmission lever offers excellent comfort, along with the control for top gear limit, transmission hold and neutral lock. |
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 | | Safe Start Mode (Neutral Start)
The transmission lever must be in neutral and the hoist lever must be in hold before the engine will start. |
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Body-Up Protection
Prevents transmission upshift from first gear if the hoist lever is not in the float position. |
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Retardation Control
The Cat engine compression brake control lever is positioned on the right-hand side of the steer column. Four modes of operation, with three steps of retardation, provide an optimum match between operating conditions and retarding power. |
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Suspended Pedals
Easy to operate and reach with plenty of leg and foot room. They also make for easier cleaning of the cab floor by keeping the pedals out of the dirt. |
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 | | Cat 2S Monitoring System
Provides an improved method of monitoring critical machine functions and alerts the operator to an immediate or impending problem. The system includes four levels of warning: |
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Level 1 - Be aware
The action lamp is OFF. The action alarm is OFF. The relevant warning lamp will be illuminated. |
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Level 2 - Change machine operation or perform maintenance
The action lamp flashes ON and OFF. The action alarm is OFF. The relevant warning lamp will be illuminated. |
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Level 2S- Immediate change in operation required
The action lamp flashes ON and OFF. The action alarm is steady ON. The relevant warning lamp will be illuminated. |
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Level 3 - Safe machine shutdown required
The action lamp flashes ON and OFF. The action alarm is pulsed ON. The relevant warning lamp will be illuminated. |
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 | | Dash-Mounted Switch
A dash-mounted switch is all that is required to select full driveline lock-up. |
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 | | Durability and Reliability
The 740 has built-in durability and reliability. Cat purpose-built articulated truck drivetrain components, front frame and hitch ensure maximum performance in the toughest applications. |
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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 is also designed to make maximum use of robotic welding for increased durability. |
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Rear Frame
Twin-box construction minimizes stress concentrations and provides low weight with long service life. |
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Castings
Both front and rear frames make extensive use of heavy-duty steel castings. |
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Suspension
The three-point oscillating axle front suspension provides unparalleled ride quality. It also protects the truck from the most adverse road conditions by absorbing many of the shock loads that would otherwise reach the frame. |
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 | | Articulating/Oscillating Hitch
The articulating hitch provides the truck with steering articulation, and the oscillation ensures the truck maintains all-wheel ground contact in rough terrain. |
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Hitch Construction
Two-piece construction features a strong, durable cast steel head bolted to a hard-wearing forged steel tube. The hitch tube has hardened bearing areas and a hardened thrust face for reduced maintenance and longer life. The two-piece design also makes for easier overhaul. |
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 | | Steer Cylinders In-Line with Hitch
Steer cylinders are in-line with the hitch, minimizing steer loads and stress in the hitch area. |
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Service Brakes
The 740 features oil-cooled multiple disc brakes, which are continuously cooled for exceptional, non-fading braking. Oil-cooled brakes are designed and built for reliable, adjustment-free operation. They provide superior performance and service life in comparison to shoe-type and dry-disc systems. An oil film prevents direct contact between the discs. This absorbs the braking forces by shearing oil and carries heat away, extending brake life. |
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 | | Parking Brake
The parking brake is fitted to the center axle in an elevated position and is designed to deliver higher heat capacity and abuse resistance. It is operated by a push button, spring applied and hydraulically released. |
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Cat Power Train Components
All major components have been purpose-designed for earthmoving applications. In fact, many of the major components have been designed specifically for articulated trucks. |
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 | | Radiator Protection
The radiator is located behind the cab for excellent visibility. This design incorporates three levels of protection: |
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1) Body Spill Guard
The body spill guard helps hold material in the body and protects the hitch area from falling material. |
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2) Cab Steel Spill Guard
The cab steel spill guard is attached to the back of the cab and extends over the radiator and window. |
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3) High-Strength Surround
The high-strength surround is made of durable composite G.R.P. and protects the radiator on all sides. |
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 | | Serviceability
Long service intervals and easy maintenance provide better machine availability, resulting in lower owning and operating costs. |
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Long Service Intervals
Engine oil change interval at 500 hours. Steering and cooling hydraulic oil change interval at 4,000 hours and wheel-bearing adjustment completely eliminated. Long service intervals lower maintenance costs and reduce downtime. |
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Lube Points
Lube points are grouped at the rear of the front frame and the front of the rear frame. Universal joints are lubed for life, eliminating servicing. Autolube is optional. |
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Service Points
Engine and transmission dipstick and fill caps, air and fuel filters, and fuel priming pump are all mounted on the left side of the engine under the hood. Coolant level indicator and fill caps are outside the cab. |
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Radiator
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. The ATAAC radiator is located at the front of the truck. |
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Extended Life Coolant
Extended Life Coolant allows 6,000-hour change interval and improves component life by reducing aluminum corrosion. It is environmentally friendly with no silicates, phosphates, borates or molybdates. |
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 | | Hood
The hood is raised and lowered electrically, minimizing operator effort when servicing the machine. |
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 | | Electrical Service Center
The electrical service center, located inside the cab, simplifies servicing of the electrical system. The service center includes a 12-volt power port, product link service connector and the Cat Data Link connector. All fuses, relays and power ports are conveniently located. The instrument panel LED's and indicator modules are designed to provide easy access and quick servicing, reducing machine downtime. |
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 | | Cat Data Link Connector
The Cat Data Link connector provides a plug-in using a laptop computer with Electronic Technician (ET) software. The Cat Data Link port performs programming functions on all electronic controls. |
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Service Access
The cab tilts to the side to provide easy access underneath, which simplifies servicing of the transmission, drive shafts and hydraulic pumps. Machine electrical and hydraulic interfaces are located on the right side of the cab, behind a removable cab body panel. Removal of the panel permits easy access to the air conditioning unit and dryer, brake accumulators, and electrical and hydraulic machine interfaces. |
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Integrated Transmission Package
The transmission integrates the transmission pump and torque converter into a single package. Because the transmission is an integral design, it eliminates many of the external hoses, resulting in less servicing and higher reliability. |
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Engine and Transmission Removal
The front frame design allows the engine and transmission to be removed and installed in one piece. |
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Truck Transport
The suspension system eliminates the need to lower the suspension when transporting the truck, reducing maintenance and downtime. |
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 | | Output Transfer Gear
Provides lubrication of all bearings and clutches using a distributed-pressure lubricated and filtered system. Good lubrication and filtration reduce service and repair. |
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 | | Product Link
Satellite technology provides machine data via the internet giving you critical information and enabling CAT dealer World Class services... |
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Equipment Manager - a better way to manage your fleet
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Asset Watch
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Maintenance Watch
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Health Watch
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 | | Complete Customer Support
Your Cat dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you choose a plan that can cover everything from machine configuration to eventual replacement. |
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Selection
Make detailed comparisons of the machines you are considering before you buy. What are the job requirements, machine attachments and operating hours? What is your need for machine availability and do you have the proper loading tool match? Your Cat dealer can help. |
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Custom Products
The 740 is compatible with a wide range of Caterpillar and auxiliary equipment manufacturers' specialized products. This multi-purpose hauling system was designed for use with a common tractor and a variety of trailer options to suit different market segments such as waste, forestry, tunneling, earthmoving and agriculture. |
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 | | Loading Tool Match
An optimum system match gives you a major productivity advantage. The 740 is an excellent match for the Cat 345B II, 365B II, and 385B Hydraulic Excavators; and 972G II, 980G II and 988G Wheel Loaders. An optimum system match results in increased production and lower system costs per unit of volume moved. |
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Purchase
Look past the initial price, look at the value the Cat 740 Articulated Truck offers. Consider the resale value, compare productivity and day-to-day operating costs and fuel consumption. Consult your local Cat dealer for financing options. |
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 | | Operation
For the best operating techniques to increase productivity and your profit, turn to your Cat dealer for the latest training literature and trained staff. |
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Maintenance
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. |
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Replacement
Repair or rebuild? Cat articulated trucks are designed for longer life with rebuildable components. Your Cat dealer can help you evaluate the cost involved so you can make the right choice. |
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 | | Product Support
The 740 offers easy maintenance with combined service points and extended service intervals to keep the machine running longer. 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. |
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Warranty
Your local Cat dealer is there to support and protect you. Extended warranty options are also available. |
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Cat.com
For more complete information on Cat products, dealer services and industry solutions, visit us on the Web at www.CAT.com |
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