Specifikationer för ramstyrd dumper 730C2 EJ

Cat 730C2 EJ Articulated Truck

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Specifications

Engine
Bore 5.1 in
Stroke 6.2 in
Displacement 762.8 in³
Gross Power - SAE J1995 375 HP
Net Power - ISO 14396 370 HP
Net Power - SAE J1349 367 HP
No Engine De-rating Below 12500 ft
Peak Engine Torque Gross (SAE J1995) 1579 ft·lbf
Peak Engine Torque Net (SAE J1349) 1564 ft·lbf
Peak Engine Torque Speed 1200 r/min
Weights
Rated Payload 31 t
Body Capacities
Heaped (SAE 2:1) 22.1 yd³
Struck 17.7 yd³
Transmission
Forward - 1 5 mile/h
Forward - 2 9 mile/h
Forward - 3 14 mile/h
Forward - 4 21 mile/h
Forward - 5 29 mile/h
Forward - 6 34 mile/h
Reverse - 1 6 mile/h
Sound Levels
Interior Cab 76 dB(A)
Operating Weights
Center Axle - Empty 12103 lb
Center Axle - Loaded 42362 lb
Center Axle - Rated Load 27249 lb
Front Axle - Empty 34535 lb
Front Axle - Loaded 36013 lb
Front Axle - Rated Load 7231 lb
Rear Axle - Empty 11552 lb
Rear Axle - Loaded 41811 lb
Rear Axle - Rated Load 27249 lb
Total - Empty 58190 lb
Total - Loaded 120186 lb
Total - Rated Load 61729 lb
Service Refill Capacities
Fuel Tank 108.8 gal (US)
Cooling System 21.9 gal (US)
Hydraulic System 29.1 gal (US)
Engine Crankcase 10 gal (US)
Transmission 12.4 gal (US)
Final Drives/Differential 33 gal (US)
Output Transfer Gear Box 6.3 gal (US)
DEF Tank 5.2 gal (US)
Body Eject
Eject Time 12 s
Retract Time 15 s
Turning Circle
Turning Dimensions - Aisle Width 210 in
Turning Dimensions - Clearance Radius 318 in
Turning Dimensions - Inside Radius 153 in
Turning Dimensions - SAE Turning Radius 294 in

Features

Engine

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 results in:
  • High machine performance across a variety of 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 be transparent to the operator 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
All Cat 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% reduction in NOx emissions required by Tier 4 Final/Stage IV emission standards, Caterpillar engineers only needed to add one new system, Selective Catalytic Reduction (SCR), to the already proven aftertreatment solution in use.
Diesel Exhaust Fluid (DEF)
Cat engines equipped with a Selective Catalytic Reduction (SCR) system inject Diesel Exhaust Fluid (DEF) into the exhaust to reduce NOx emissions. DEF is a precisely mixed solution of 32.5% high purity chemical grade urea and 67.5% de-ionized water.

Transmission

The Cat CX31 six-speed forward, single speed reverse transmission features Advanced Productivity Electronic Control Strategy (APECS) and Electronic Clutch Pressure Control (ECPC) which 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 have been significantly improved to maintain direct drive lock-up, and eliminate dropping into converter drive. Reducing the use of torque converter drive helps maintain ground speed and gradeability.
  • Variable shift points used based on the operating conditions, which also aid in maintaining ground speed during gear changes on grades.
  • Critical gearshifts maintain direct drive lock-up, and eliminate dropping into converter drive. This maintains ground speed during shifts on grades.
  • The transmission automatically modifies shift points to best suit operating conditions and performance.
  • Retarding levels are automatically reduced on lesser grades in lower gears.
Torque Converter
Large capacity torque converter, configured for off highway applications, allows the higher engine power to be transmitted more efficiently to the lower power train.
Engine Compression Brake
Improves retarding response and increases retarding power.

Automatic Features

Automatic Traction Control (ATC)
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 the inter or cross-axle differential lock. Sensors monitor the machine and wheel speeds, enabling instant response in low traction conditions. Operation is seamless and smooth, eliminating wheel slip for maximum traction and productivity.
Clutches are also automatically disengaged when not required, eliminating any impact on machine maneuverability, such as making a tight turn at the top of a grade.
The ATC system helps reduce tire and driveline abuse, eliminating lost efficiency caused by improper manual operation of the differential clutches, and reducing the cost of premature tire replacement.
Regeneration
When set to automatic, regeneration will occur without any interaction from the operator. The three modes of regeneration shown below allow the articulated truck to adapt to specific site conditions in the most efficient manner.
Automatic: The machine carries out ‘on-the-go' regeneration when the engine control module determines conditions are acceptable. The operator requires no action and the articulated truck is not required to stop working.
Automatic: Low idle regeneration is initiated when the machine is in a reduced operating mode for a predetermined period of time, and a number of conditions are met. The system is designed so that the operator can interrupt regeneration at any time.
Manual: A manual regeneration is initiated by pressing the regeneration switch for five seconds. The machine must be brought to a non-operating mode in order to perform a manual regeneration.

Suspension and Braking

All three axles have oscillating a-frames with lateral tie rods, controlling sideways movement of the axle and providing stability. In conjunction with the suspension system, it allows the operator to travel at speed over rough terrain and softens impact loads on structures and components.
Front Suspension
Large bore, low-pressure cylinders are purpose designed for off-road applications and offer a soft, smooth ride for the operator. The front suspension oscillates ±6° to assist in providing a smooth this. Suspension mounting points are integrated into the axle housing, increasing reliability.
Rear Suspension
Comprised of a walking beam and Caterpillar designed long life rear suspension mounts; the rear suspension system provides a reliable and stable ride for excellent travel over rough terrain and aids load retention.
All Axle Enclosed Wet Brakes
Introduced for the first time on this model, the oil-immersed system is a multi-disc, multi-plate design. Enclosing the brakes prevents the ingress of contaminants. This protects the system, extends life, and reduces replacement costs while improving machine uptime.

Operator Environment

Ride Comfort
The three-point front suspension with its oscillating axle and low-pressure ride struts, combined with the center-mounted cab, offer unrivaled levels of ride comfort for the operator in all driving conditions. The operator remains comfortable and productive throughout the day.
Spacious Two-Person Cab
The large two-person cab offers a comfortable working space for both the operator and a passenger. The passenger seat is fully padded with a backrest and a wide, retractable seat belt for a secure and comfortable ride. It is also positioned adjacent to the operator, giving both the operator and passenger a clear view of the instrument panel, controls and the road. The storage space behind the operator seat has been increased, and the access improved design and layout is common across all C Series Articulated Trucks.
Air Suspension Seat
The air suspension seat provides improved 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.
Cab Atmosphere
The air conditioning system keeps the in-cab temperature however the operator likes it, whatever environment they are operating in.
Optional Four-Point Seat Belt
Offering greater restraint for operators, the four-point operator seat belt is now available as an option. The seat belt is part of an entire new seating arrangement, not solely an addition to the existing seat.

Ease of Operation

Control Layout
The cab is designed to make all aspects of machine operation as simple as possible. The controls and gauges are easy to read and straightforward to operate, allowing the operator to focus on safe machine operation while maintaining productivity.
Dashboard
The integrated wrap-around dash puts all controls within easy reach of the operator. Featuring LED illuminated rocker switches for the dash dimmer, rear wash wiper, hazard warning, work lamp, secondary steer, A/C and cigar lighter. Delivers an automotive feel with the industrial strength you would expect from Caterpillar.
Color Multi Purpose Display (CMPD)
The dash mounted display unit shows the operator various levels of performance and condition pages as well as machine warning categories. These include performance data, configuration settings, operator and machine totals, service information, various machine status parameters, machine payload information (when fitted), and the video feed from the rearview camera.
Bluetooth™ Stereo Connectivity
Make and receive calls in cab via the optional, Bluetooth equipped, radio entertainment system.

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.
Suspension
The three-point oscillating axle front suspension provides unparalleled ride quality. It also protects the truck from adverse road conditions by absorbing shock loads that would reach the frame.
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
All C Series machines have a large target area to provide consistently high load-carrying capacity. Its diverging flow design gives clean material discharge, which maximizes production and avoids the waste of carry-back.
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
Dual-circuit, all wheel braking system. The full power hydraulic system actuates enclosed, oil immersed, multi disc, multi plate brakes with independent front and rear circuits and accumulators.
Parking Brake
Located on the center axle in an elevated position, it is spring applied and hydraulically released.

Cat CONNECT Technology

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 LINK
Cat 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.
Cat PAYLOAD
Cat 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 the target is achieved, while cab-mounted external payload lights signal the loader operator when to stop loading to reduce 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.

Versatility

The 730C2 EJ shares the versatility of the standard 725C2 and 730C2 Series Articulated Trucks, operating in the same conditions, but offering unique capabilities that stretch the operation envelope.
Ejector
The ejector body offers clean load ejection on-the-go and the capability to work safely in areas with restricted overhead clearance and soft underfoot conditions.
Spreading
The truck can eject and spread the material while moving, potentially reducing the need for additional spreading and dozing equipment. ‘On-the-go' ejecting results in faster cycle times and reduced power train loads.
Stability
Ejecting the load without raising the body maintains machine stability, allowing load dispersal on inclines, side slopes and in very soft underfoot conditions especially on landfill sites.
Overhead Clearance
Without the need to raise the body, the 730C2 EJ can eject in areas with reduced overhead clearance, such as around overhead lines or in tunneling and underground operations.
Carry-Back
The body design eliminates material sticking to the body, which increases productivity, improves fuel efficiency and lowers cost per ton.
Blade
The ejector blade is made from high-strength steel and uses technology similar to that proven in Cat wheel tractor-scrapers.
Cylinder
A three-stage, high-speed, double-acting cylinder is specifically designed for horizontal mounting and smooth load ejection.

Serviceability

Service Points
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
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 and faults.
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.
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 right side of the cab, behind a removable body panel for easy access.

Complete Customer Support

Selection
Make comparisons of the machines you are considering before you buy. Your Cat dealer can help.
Purchase
Consider the resale value; compare productivity and day-to-day operating costs and fuel consumption.
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.
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.
Replacement
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.
cat.com
For more complete information on Cat products, dealer services and industry solutions, visit us at www.cat.com.

Sustainability

All Cat Articulated Trucks are designed to maximize efficiency and productivity while conserving natural resources.
Air Quality
The Cat C13 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) fuel or biodiesel up to B20 blended with ULSD. All fuels must have no more than 15 ppm sulfur for the EPA, and 10 ppm sulfur for the EU.
Recycle Waste
The Caterpillar Design, Manufacturing, Assembly and Test facility at Peterlee in England recycle 98% of all waste produced with zero waste to landfill.
Second Life
Rebuild and reman are designed and built into all Cat C Series Articulated Trucks. This gives machines a longer life while reducing waste and replacement costs.

Safety

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 machines and system designs.
Safety Features
  • Cab integral ROPS (Roll Over Protection System) and FOPS (Falling Object Protection System)
  • Rearview camera system incorporated into the CMPD provides a panoramic view either continuously or when reverse gear is selected
  • The secondary and parking brake functions are spring applied and hydraulic released
  • 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
  • Ground level external engine fuel cut off switch provides easy access outside of the machine
  • External electrical system disconnect switch for easy access outside of the machine
  • Slip resistant walkways – punched steel plate
  • 75 mm (3 in) wide seat belts for operator/trainer and passenger
  • Wide angled mirrors for excellent rear visibility
  • Sweeping hood design for panoramic forward visibility
  • Extensive handrails
  • Body raised alarm
  • Heated mirrors (optional)
  • LED-flashing beacon (optional)
  • Additional mirrors
  • Maximum speed limiter
  • Internal and external grab handles
  • Four point seat belt (optional)
  • Fire extinguisher in-cab mounting point
  • Fully raised body locking pin
  • Reversing indicator
  • Park brake switch safety lock

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