 |  | Power Train - Engine
The Cat 3306B engine delivers the reliability and durability necessary to perform in the most demanding underground mining applications. Designed for efficient operation, excellent fuel efficiency, low emissions and is MSHA certified. |
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Engine
The six cylinder, four-stroke, turbocharged Cat 3306B diesel engine is precisely engineered and stringently tested to maintain a tradition of quality. It does it all with profit-boosting performance, heavy duty durability and reliability, built-in serviceability, excellent fuel economy and low emission levels. |
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High Torque Rise
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Radiator
Modular radiator with swing-out grill provides easy access for cleaning or repair. Built in sight gauge allows for quick, safe coolant level checks. |
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Pistons
Oil cooled pistons increase heat dissipation and promote longer piston life. |
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Full-length Water-cooler
Full-length water-cooled cylinder liners provide maximum heat transfer. |
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Turbocharged and Aftercooled
Jacket water aftercooling provides improved fuel economy by packing cooler, denser air into cylinders for more complete combustion of fuel and lower emissions. The turbocharger enhances performance and efficiency. |
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Fuel Injection
The high pressure direct injection fuel system provides excellent fuel atomization for unmatched reliability and durability. |
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Crankshaft
The crankshaft is forged and induction hardened for long-term durability. |
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 | | Power Train - Transmission
The Cat four-speed planetary power shift transmission features heavy duty components to handle the toughest jobs. Electronic controls allow smooth shifting for greater productivity, durability and longer component life. |
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Power Shift Transmission
The Cat planetary power shift transmission features heavy duty components to handle the toughest jobs. Electronic controls allow smooth, on-the-go shifting for greater productivity, durability and longer component life.
- Hydraulic modulation cushions transmission shifts and reduces stress on components.
- Pump drive and output transfer use high contact gear ratios to reduce sound levels.
- Perimeter mounted, large diameter clutch packs control inertia for smooth shifting and increased component life.
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Robust Design
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Electronic Controls
Electronic controls allow smooth, on-the-go shifting for greater productivity. |
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Torque Converter
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Electronic Autoshift Transmission
The electronic auto shift transmission increases operator efficiencies and optimizes machine performance. The operator can choose between manual or auto shift modes. |
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Transmission Neutralizer
Using the left brake pedal, the operator can engage the service brakes and neutralize the transmission, maintaining high engine RPM for full hydraulic flow, enhancing digging and loading functions. |
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Final Drives
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Axles
Heavy duty axles are built rugged for long-life in the most demanding environments. |
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Oscillating Rear Axle
Oscillating rear axle ensures four-wheel ground contact for maximum traction and stability at all times. |
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Differential
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Duo-Cone™ Seals
Duo-Cone seals between the axle spindle and housings keep lubrication in and contaminants out. |
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Brakes
Fully enclosed oil immersed disc brakes incorporate independent service and parking brake pistons. Hydraulic actuated independent circuits provide improved performance and reliability. |
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Service Brakes
Self-adjusting, fluid applied, spring released service brakes feature modulated engagement. Independent front and rear circuits use separate brake accumulators for greater performance. |
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Parking Brake
Self-adjusting, Spring Applied Fluid Released (SAFR™) parking brake is applied by a spring force when fluid pressure is released. An independent piston acts directly on the inboard axle mounted brake disc on each wheel. |
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Cat Electronic Technician
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Diagnostic Capability
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 | | Hydraulics
Powerful Cat hydraulics deliver excellent digging and lifting forces to move materials quickly. High volume pumps and large cylinders provide quick, powerful response and fast cycle times. Pilot operated joysticks provide low effort operation and smooth control. |
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Hydraulic System
Powerful Cat hydraulics deliver exceptional digging and lifting forces and fast cycle times. |
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Lift and Tilt System
High hydraulic flow rates provide fast hydraulic cylinder response and powerful lift forces. Large-bore tilt and lift cylinders deliver exceptional strength, performance and durability. |
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Pilot Controls
Low effort, pilot operated joystick implement control with simultaneous lift and tilt functions optimizes operating efficiency. Optional circuit controls enable ejector bucket to be controlled from a switch on the joystick. |
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Steering System
STIC™ control system integrates steering and transmission functions into a single controller for maximum responsiveness and smooth control. |
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Optional Ride Control
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Cat Hydraulic Hose
Field proven Cat high pressure XT™ hydraulic hoses are exceptionally strong and flexible for maximum system reliability and long life in the most demanding conditions. Reusable couplings with O-ring face seals provide superior, leak free performance and prolong hose assembly life. |
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 | | Structures
Structural components are the backbone of the R1300G durability. The heavy duty loader frame is designed and built to absorb twisting, impact and high loading forces for maximum durability and reliability. Z-bar linkage generates powerful breakout forces and optimum loading angle. |
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Frame Design
The frame features robust structural components for outstanding durability in the toughest loading conditions. Caterpillar integrates advanced processes in the design and manufacture of Cat frames and structures. Computer modeling and Finite Element Analysis (FEA) are used extensively throughout design. |
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Steel Frame
Strong steel frame structures are designed to resist twisting forces, torsional shock and stresses generated during the loading cycle while protecting drive line and hydraulic system components. |
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Lift Arms
Solid steel lift arms absorb high stresses generated during loading without sacrificing strength or durability. The linkage design offers excellent reach and dump clearance for better productivity. Lift arm support pins prevent lowering the lift arms during service and maintenance. |
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Loader Tower
The four plate loader tower provides a solid mount for lift arms, lift cylinders and Z-bar tilt linkage. The loader frame is designed and built to absorb twisting, impact and high loading forces. |
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Cast-Steel Cross Tube
The cast steel cross tube provides excellent resistance to torsion and impact loads, keeping pin bores well aligned and extending component service life. |
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Z-Bar Loader Linkage
Proven Z-Bar loader linkage geometry generates powerful breakout force and an increased rack back angle for better bucket loading and material retention. |
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Sealed Pins
Sealed colleted pins are fitted to all bucket and lift arm hinge points for longer pin and bushing life. This reduces maintenance costs and extends service intervals. The sealed joints retain lubrication and prevent contaminant entry. |
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Hitch
Spread hitch design widens the distance between upper and lower hitch plates to distribute forces and increase bearing life. Thicker hitch plates reduce deflection. The wide opening provides easy service access. Upper and lower hitch pins pivot on roller bearings to distribute horizontal and vertical loads over a greater surface area. Shim adjusted preload reduces maintenance time. An on-board steering frame lock pin is fitted to prevent articulation during maintenance and service. |
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 | | Operator Station
The ergonomic cab is designed for operator comfort and ease of operation to allow the operator to focus on production. Controls and gauges are positioned within easy reach for optimum efficiency and superior control all shift long. |
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Ergonomic Layout
The R1300G operator station is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers switches and gauges are positioned to maximize productivity and minimize operator fatigue. |
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Pilot Controls
Low-effort pilot operated joystick controls integrate steering, transmission and implement functions for smoother, faster cycles with less operator fatigue. |
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Electronic Autoshift
Electronic Autoshift allows the operator to choose automatic or manual shifting. In auto mode, the operator uses a dash mounted switch to select the highest gear they wish the machine to shift to. In this mode, the transmission shifts at factory preset shift points so that each shift occurs at optimum torque and ground speed for maximum machine performance. |
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Dual-Pedal Braking
The right pedal functions as a regular brake while the left pedal functions as a brake/transmission neutralizer. The neutralizer allows the operator to maintain high engine RPM for full hydraulic flow in tight digging or truck loading applications. |
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Protective Structure
The operator station has integrated into its construction a ROPS - Roll-over protective structures and FOPS - Falling object protective structures. This structure is resiliently mounted to the frame, reducing vibration to the operator for a more comfortable ride. |
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Suspension Seat
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 | | STIC™ Steering Control
STIC™ combines directional selection, gear selection and steering into a single lever for maximum responsiveness. Simple side-to-side motion turns machine right or left. Transmission shifting (forward/neutral/reverse) is controlled using a three position rocker switch. The thumb operated upshift and downshift buttons control manual shifting. |
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Optional Enclosed Cab
Optional sound-suppressed ROPS cab provides a quiet, secure working environment. Large window openings offer excellent visibility in all directions. Enclosed design provides fresh, pressurized, temperature-controlled air circulation with air-conditioned comfort and a more comfortable working environment. The air conditioning system uses environmentally friendly R134a refrigerant. |
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Optional Ride Control
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Monitoring System
Caterpillar® Electronic Monitoring System (CEMS) continuously provides critical machine data to keep the machine performing at top production levels. A warning system alerts the operator of immediate or impending problems with engine oil pressure, parking brake engagement, brake oil pressure, electrical system, low fuel, hydraulic oil temperature, coolant level/temperature, transmission oil temperature and impending brake application. |
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• Digital Display
"Normal" mode displays choice of hour meter, odometer or digital tachometer. "Service" mode displays operating parameters, diagnostic codes and out-of-range gauge readings. |
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 | | • Gauge Cluster
Maintains a constant display of vital machine functions, including: engine coolant temperature, transmission oil temperature, hydraulic oil temperature, and fuel level. |
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 | | • Speedometer/Tachometer Module
Monitors three systems: engine speed, ground speed and gear indicator. |
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 | | Buckets
Cat underground loader buckets are designed for optimal loadability and structural durability in tough mining conditions. A ranges of sizes and configurations are available to match material conditions and maximize productivity. |
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Buckets
Aggressive Cat bucket designs deliver unmatched productivity in the most demanding applications. Underground mining buckets are designed for optimal loadability and structural reliability to help lower your cost-per-ton. |
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Bucket Selection
Cat underground loader buckets are available in two styles to meet a range of loading, hauling and dumping conditions.
- Dump buckets
- Ejector buckets
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Bucket Capacities
Buckets are available in a range of sizes and capacities to suit most material types and densities. |
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Optional Wear Packages
Weld-on wear plates in high wear areas are standard. Additional wear packages, including sacrificial wear strips and Cat heel shrouds protect the edges from damage and reduce the need for costly bucket rebuilds. |
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Optional Cutting Edges
Cat half arrow, cast half arrow and weld on GET cutting edges extend bucket life in high wear applications. |
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 | | Serviceability
The R1300G is designed for quick and easy servicing. Simplified service and maintenance features reduce downtime, allowing the machine to spend less time being serviced and more time being productive. |
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Service Access
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Ground-Level Access
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Air Filters
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Sight Gauges
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Diagnostics
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Sealed Electrical Connectors
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 | | Customer Support
Caterpillar dealers provide unmatched product support, anywhere in the world. With industry-best parts availability and a wide range of maintenance and service options, Cat dealers have what it takes to keep your loader working in the mines. |
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Commitment Makes the Difference
Cat dealers offer a wide range of solutions, services and products that help you lower costs, enhance productivity and manage your operation more efficiently. Support goes far beyond parts and service. From the time you select a piece of Cat equipment until the day you rebuild, trade or sell it, the support you get from your Cat dealer makes the difference that counts. |
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Dealer Capability
Cat dealers provide the level of support you need, on a global scale. Dealer expert technicians have the knowledge, experience, training and tooling necessary to handle your repair and maintenance needs, when and where you need them. |
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Product Support
Cat dealers believe superior products deserve superior support. When Cat products reach the field, they are supported by a worldwide network of parts distribution facilities, dealer service centers, and technical training facilities to keep your equipment up and running. Cat customers rely on prompt, dependable parts availability and expertise through our global dealer network, ready to meet your needs 24/7. |
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Service Support
Every piece of Cat equipment is designed and built to provide maximum productivity and operating economy throughout its working life. Cat dealers offer a wide range of service plans that will maximize uptime and return on your investment, including:
- Preventive Maintenance Programs
- Diagnostic Programs, such as Scheduled Oil Sampling and Technical Analysis
- Rebuild and Reman Options
- Customer Support Agreements
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Technology Products
Cat dealers offer a range of advanced technology products designed to improve fleet efficiency, increase productivity and lower costs. |
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www.cat.com
For more information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com. |
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Operation
With today’s complex products, equipment operators must have a thorough understanding of machine systems and operating techniques to maximize efficiency and profitability. Your Cat dealer can arrange training programs to help operator's improve productivity, decrease downtime, reduce operating costs, enhance safety, and improve return on the investment you make in Cat products. |
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 | | Safety
Caterpillar sets the standard when it comes to safety in the design and manufacturing of heavy equipment for the mining industry. Safety is not an after thought at Caterpillar, but an integral part of all machine and systems design. |
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Product Safety
Caterpillar has been and continues to be proactive in developing mining machines that meet or exceed safety standards. Safety is an integral part of all machine and systems designs. |
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Engine Shut Off Switch
A secondary engine shutoff switch is located at ground level. |
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Protective Structure
The operator station has integrated into its construction a ROPS - Roll-over protective structures and FOPS - Falling object protective structures. This structure is resiliently mounted to the frame, reducing vibration to the operator for a more comfortable ride. |
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Brake Systems
Four corner oil-cooled braking system provides excellent control. The service brake system is actuated by modulated hydraulic pressure, while the parking brake function is spring applied and hydraulic released. This system assures braking in the event of hydraulic failure. |
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Standard Safety Features
- Anti-skid upper deck surfaces
- Ground level compartment sight gauges
- Increased visibility
- 3-point access to cab and machine
- Push out safety glass
- Suspension seat
- Inertia reel retractable seat belt
- Lift arm support pins
- Hot and cold side of engine
- Steering frame lock
- Hinged belly guards
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