RM300

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METRIC

RM300

OVERVIEW

BENEFITS

FEATURES AT A GLANCE

SPECIFICATIONS

TOOLS AND EXPERT HELP

PRODUCT BROCHURES AND DOWNLOADS

MEDIA GALLERY

KEY SPECS

Maximum Operating Weight 24454.0kg53911.0lb
Cutting/Mixing Width 2438.0mm96.0in
Rotor Speed - First (at 2100 Engine rpm) 106.0r/min106.0r/min

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OVERVIEW

FEATURES AT A GLANCE

C11 Engine with ACERT® Technology

The C11 engine provides a full-rated gross power (SAE J1995) of 261 kW (350 hp) at 1800 rpm with a torque of 1384 Nm (1024 lb/ft). The combination of large displacement and high torque allow the RM300 to propel through the toughest materials The MEUI fuel system is a unique system that combines the technical advancement of an electronic control system with the simplicity of direct mechanically controlled unit fuel injection.

The MEUI system excels in its ability to control injection pressure over the entire engine operating speed range. These features allow the C11 to have complete control over injection timing, duration and pressure. Multiple injection fuel delivery involves a high degree of precision. Precisely shaping the combustion cycle lowers combustion chamber temperatures, which generates fewer emissions, optimizes fuel combustion; translating into more work output for your fuel cost. The cylinder block is a one-piece, grey iron block that features generous ribbing for stiffness and heavy bearing bulkheads for rigidity and strength as the crankshaft turns. This new design supports the engine's higher compression ratios and increases its power density. The incorporation of straight-thread, o-ring connection points reduces the loss of engine oil and fluids. High cylinder pressures combined with tightly controlled tolerances promote extremely efficient fuel burn, less blow by and lower emissions. One single overhead cam is driven by a gear on the flywheel end of the engine. Placing the cam gear at the flywheel end significantly reduces noise and vibration. To reduce wear, a pendulum absorber is mounted at the front of the camshaft. Together these two features contribute to the long-life and durability of this engine. Easier service, maintenance and repair is accomplished by monitoring key functions and logging critical indicators. Advanced electronic diagnostic capabilities are possible using Cat Electronic Technician. The turbocharged air-to-air aftercooling system provides high horsepower with increased response time while keeping exhaust temperatures low for long hours of continuous operation. Air-to-air aftercooling keeps air intake temperatures down and in concert with the tight tolerance combustion chamber components, maximizes fuel efficiency and minimizes emissions. New turbocharger, unique cross-flow head, single, rear driven, overhead cam and a more efficient intake manifold generate significant improvements in air flow. This generates significant improvements in efficiency and reduced emissions. The ADEM A4 electronic control module manages fuel delivery, valve timing and airflow to get the most performance per gallon (liter) of fuel used. The control module provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs. It keeps track of engine and machine conditions while keeping the engine operating at peak efficiency.

Operator's Station

The hydraulically-assisted sliding platform allows the operator to position the platform to any desired position to provide good visibility to both sides of the machine. Platform can be accessed from either side of the machine. Comfortable and durable operator's seat has adjustable fore/aft position, bottom cushion height, suspension stiffness and flip-up arm rests. Seat and side control console rotates to seven positions to enhance operator comfort. Controls are conveniently located for easy one-handed control while seated. Propel lever with center detent allows forward/reverse operation and variable machine speed. Adjustable steering column offers telescoping and tilt features to provide a comfortable operating position for the operator.

Operational Controls

Clear instrumentation includes gauges for engine oil pressure, engine coolant temperature, hydraulic oil temperature, charging system voltage and fuel level. Large analog gauges display propel ground speed, engine rpm, engine hour meter and fault codes. Electronic Monitoring System constantly monitors input signals from sensors and switches in various machine systems and alerts the operator if a problem does occur. A load control selection switch controls propel speed manually or automatically by the ECM. Standard rear wheel steering control allows operator to position rear wheels for maneuvering in tight quarters. Automatic four mode steering including a crab and coordinated position is optional.

Sliding Cab (Optional)

Iso-mounted cab is pressurized to keep noise, dust and the elements out and comfort in. Items included with cab are: rotating cloth seat, left and right side lockable doors, tinted glass, air conditioning, heater/defroster, dual front and rear windshield wipers and sound absorbing floor mat. Additional operator comforts include two cup holders and a 12-volt power receptacle. The cab is also radio-ready and includes a power converter, antenna with cable, two speakers and a headliner location for mounting radio. The cab offers an exceptional viewing area to the front tire edge, mixing chamber and to the rear wheels.

Electronic Control Modules

Reliable field-proven technology provides maximum productivity and simplifies troubleshooting. Electronic Control Modules (ECM) receives input signals from sensors in the engine, propel, steering and rotor drive systems which monitor current operating conditions. Self-diagnostics provides information for troubleshooting and alerts the operator of potential system problems. Automatic load control adjusts propel speed so that engine speed does not drop below 1800 rpm. Machine always works at peak efficiency for maximum output. Optional automatic rotor depth control provides consistent quality and performance.

Propel System

Propel pump provides balanced flow to the dual displacement front drive motors. Provides superior tractive effort in soft underfoot conditions. Load sensing system controlled by the ECM, matches propel speed to the load on rotor. Two speed ranges allow the machine to operate at either maximum torque to propel the machine through the toughest conditions or a faster speed for moving around the job site. Infinitely variable machine speeds determined by the propel lever and speed control dial. Flow divider control valve provides equal hydraulic oil flow to each drive motor to increase tractive effort in slippery conditions.

Rear Wheel Drive (Optional)

Two propel pump system: one pump is dedicated to drive the front wheels, while the second propel pump is dedicated to drive the rear wheels. Increased tractive effort for those tough soil or reclamation jobs. Flow divider control valve directs equal hydraulic flow to each rear wheel to provide all-wheel drive. High torque large displacement motors on rear wheels makes this a true four-wheel drive machine. Large rear tires with an aggressive tread and large footprint propels the machine easily in the most severe applications. Rear wheel drive feature can be turned on by a switch on the operator's console when maximum tractive effort is required.

Rotor Drive

Hydraulically engaged clutch, high torque mechanical transmission and drive axle allows efficient and reliable transfer of engine power to rotor and is sized to handle tough cutting and deep mixing. Rugged drive chains provide efficient, continuous power to the rotor. Single strand heavy-duty chain resists breakage. Three rotor speeds for maximum performance in a variety of materials and cutting depths. First speed is used primarily for pulverizing the material. Second and third rotor speeds can be used as blending or mixing passes. High capacity rotor driveshafts and maintenance-free universal joints. Heavy-duty shear disc or optional torque limiter protects rotor drive components from torsional stress and shock loads.

Mixing Chamber

Mixing chamber allows the rotor to move independently so that the capacity of the chamber actually increases in deeper cuts to allow better material mixing. Mid-machine rotor uses total machine weight to help keep rotor steady in the cut for uniform depth control. Bi-directional mixing capability increases machine efficiency. Large heavy-duty breaker bars help achieve uniform sizing. Hydraulically adjustable rear door for optimum control of gradation and material uniformity. Optional hydraulically adjustable front door allows more precise sizing control when operating in the reverse direction. Side access doors enable quick and simple replacement of cutting tools on rotor ends.

Hydraulic Front Door (Optional)

Hydraulically operated front door allows the operator to control the opening of the front door from the operator's station. Dual hydraulic cylinders offer increased lifting force and precise control of the front door. The front door raises parallel to the cutting surface to prevent the door from plowing material in harsh soil stabilization conditions. Forward or reverse operation increases machine versatility in soil stabilization. Visual site gauge on rotor hood displays door position and allows the operator to precisely control the opening of the front door.

Universal Rotors

Designed to produce maximum breakout force, the Universal Rotor 41 cm (16") performs well in severe asphalt cuts. It also cuts existing soil cement. The Universal Rotor 46 cm (18") is designed to provide maximum mixing depth and has lower breakout force compared to the Universal Rotor 41 cm (16"). This rotor meets European 45 cm mixing depth requirements while providing the highest level of material pulverization and gradation.

Maximum cutting depths: 41 cm (16") or 46 cm (18")
Chevron-pattern bit arrangement
Bolt-on Breakaway bit holders
200 carbide-tipped bits
Abrasion-resistant steel kicker paddles on every stand-off
19 mm (3/4") shank bit holders

Combination Rotor

Designed for deep-cut soil mixing where pulverization and gradation is of lesser importance than higher working speeds. Performs well in cohesive soils and has a secondary application of surface mining for non-engineered substances such as coal, shale, or limestone.

Maximum cutting depth: 51 cm (20")
Replaceable end rings (weld-on bit holders only)
Chevron-pattern bit arrangement
Bolt-on Breakaway bit holders
114 carbide-tipped bits
22 mm (7/8") shank bit holders

Spade Rotor

The Spade Rotor blends additives with cohesive, semi-cohesive or granular materials. 58 carbide-faced quick change spade tools provide long service life and are easily replaced due to a single nut and bolt connection. This design allows the tool to break away if it strikes a solid object, preventing damage to the rotor and the rotor drive train.

Maximum cutting depth: 45.7 cm (18")
Chevron-pattern bit arrangement
Weld-on bit holders
58 spade-type carbide-tipped bits
22 mm (7/8") shank bit holders

Serviceability

Cooling package is a multi-row modular design, stacked in series for easy access for cleaning and service. A modular stacked cooling system provides more efficient cooling of individual systems and makes replacement and routine cleaning easier. Electronically controlled on-demand variable speed cooling fan provides the lowest overall noise levels and high ambient operation capability. Hydraulic rotor hood tilt rotates hood forward for convenient access to rotor for inspection and tool maintenance. Hinged service doors open wide on sides of engine, rotor hood and on top deck for access to power train and rotor drive components. Self-lubricating rotor drive chains in sealed chain cases partially filled with oil. Electronic Control Module (ECM) monitors machine systems and provides self-diagnostics for operator or service personnel. Three warning levels alert operator to conditions on the machine that require attention. Encourages repair before major failure. Level One - a flashing gauge indicator and a flashing alert indicator light. Level Two - level one warning plus the warning action lamp flashing. Level Three - level two warning plus the warning action horn sounds. Visual indicators allow easy check of engine coolant, rotor axle and hydraulic oil level and air restriction indicator. Quick-connect hydraulic test ports simplify system diagnostics. Ecology drains provide an environmental method to drain fluids. They are included on the radiator, engine oil pan, hydraulic and fuel tank. S•O•S ports allow for simple fluid collection of engine oil, engine coolant and hydraulic oil. Secure hose routing with polyethylene routing blocks to reduce rubbing and increase service life. Nylon braided wrap and all-weather connectors ensure electrical system integrity. Electrical wiring is color-coded, numbered and labeled with component identifiers to simplify troubleshooting. Maintenance-free Cat batteries are mounted on the side of the machine and are accessible from ground level. Cat batteries are specifically designed for maximum cranking power and protection against vibration. Machine is Product Link wire-ready. The Cat Product Link System (PLS) ensures maximum uptime and minimum repair costs by simplifying tracking of equipment fleets. Provides automatic machine location and hour updates. Can be obtained through your local Cat dealer.