Milton CAT PM 201 User Manual
PM-201
Cold Planer
Cat®C18 Engine with ACERT®Technology
Gross Power 485 kW 650 hp
Rotor Width 2100 mm 83"
Rotor Depth (maximum) 305 mm 12"
Operating Weight
with conical rotor 39 165 kg 86,360 lb
eakaway rotor 38 145 kg 84,105 lb
with br
with weld-on rotor 38 050 kg 83,905 lb
PM-201 Cold Planer
The new PM-201 combines enhanced production capabilities, optimized performance and
simplified service to complete tough milling applications with productive results.
C18 Engine with ACERT®Technology
ACERT®Technology works at the point
of combustion to optimize engine
performance and provide low exhaust
emissions. The C18 engine with
ACERT®Technology provides clean
burning power.
Page 4
Propel System
Propel pump provides balanced flow to
dual displacement drive motors on each
track. Provides superior tractive ef
on all surfaces. Load sensing system
controlled by the ECM, matches propel
speed to load on engine for maximum
production.
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fort
Rotor Drive
A Caterpillar wet clutch with automatic
belt tension adjustment delivers
ficient and reliable power to the
ef
pavement. The rotor drive consists of
field-proven Cat D8 Track-type Tractor
components for Caterpillar machine
commonality and long service life.
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Rotor Options
With a choice of three rotor options, the
PM-201 can be configured for different
applications and production
requirements.
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Operator’s Station
Ergonomic design emphasizes comfort,
visibility and easy operation. Left and
right side machine controls are grouped
and conveniently located to enhance
operator visibility, productivity and
reduce fatigue.
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Maneuverability
Four steering modes: front, rear, crab
and coordinated enable the operator to
have complete control of the machine
position in tight milling applications.
The four-track drive provides
productive operation.
Page 9
Front Loading Conveyor
The PM-201 features a front loading
conveyor for greater productivity. The
conveyor swings 45 degrees to the left
or right to meet your job requirements.
Conveyor functions can be controlled
from the operator’s station or at ground
level. Conveyor features a boost
function to cast material farther for
loading long haul trucks.
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Automatic Grade and Slope Controls
The optional grade and slope system
provides precise control of the machine
to a preset cutting depth and cross
slope. Remote mounted control boxes
allow simple operation from either the
operator’s station or ground level.
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Serviceability
The power-assisted engine hood opens
wide and provides exceptional walk-in
access to the engine, hydraulic pumps
and daily service points. Hydraulic
rotor service door provides convenient
access to the rotor for easy cutting tool
removal and replacement. Water spray
nozzles are easily removed for
inspection and replacement without the
need for tools.
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3
C18 Engine with ACERT®Technology
A combination of innovations working at the point of combustion, ACERT®Technology
optimizes engine performance while meeting U.S. EPA Tier 3 and European EU Stage IIIa
emission regulations for off-road applications.
Turbocharged and Air-to-Air
Aftercooling (ATAAC)
High horsepower with increased
response time is assured while keeping
exhaust temperatures low for long
hours of continuous operation.
Air-to-Air Aftercooling
Air-to-air aftercooling keeps air intake
temperatures down and in concert with
Optimum Power
The C18 engine performs at a full-rated
gross power of 485 kW (650 hp) at
2100 rpm. The combination of large
displacement and high torque allow the
PM-201 to achieve maximum
production. Engine power curve is
optimized for milling applications
providing optimum power while
keeping the engine operating at peak
efficiency.
C18 Cylinder Block
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.
the tight tolerance combustion chamber
components, maximizes fuel efficiency
and minimizes emissions. New
turbocharger, unique cross-flow head
design, single front driven overhead
cam and a more efficient intake
manifold generate significant
improvements in air flow, maximizing
efficiency and reduced emissions.
Mechanically-Actuated Electronically
Controlled Unit Injection (MEUI)
The MEUI
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 C18 to
have complete control over injection
timing, duration and pressure.
Precise Multiple Injection Fuel Delivery
Combustion chamber temperatures are
lowered by precisely shaping the
combustion cycle generating fewer
emissions and optimizing fuel
combustion; translating into more work
output for your fuel cost.
4
fuel system is a unique
High Cylinder Pressures
High cylinder pressures combined with
tightly controlled tolerances promote
extremely efficient fuel burn, less blow
by and lower emissions.
Service, Maintenance and Repair
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.
ADEM™ A4 Electronic Control Module
The module manages fuel delivery
valve timing and airflow to get the most
performance per liter (gallon) of fuel
The control module provides
used.
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
ficiency.
ef
,
Propel System
Hydrostatic drive with hydraulic flow provided by a variable displacement piston-type
pump. Drive motors on each track provides balanced tractive effort.
Propel pump provides balanced flow to
the dual displacement drive motors on
each track. Provides superior tractive
effort on all surfaces.
Load sensing system controlled by the
ECM, matches propel speed to load on
engine for maximum production.
Two speed ranges allow the machine to
operate at either maximum torque to
propel the machine through the
toughest materials or a greater speed for
moving around the job site.
Infinitely variable machine speeds
1
345
2
1 Two Speed Drive Motor
2 Polyurethane Track Pads
3 Planetary w/Secondary Brake
4 Heavy-duty Cat Rollers
5 Track Frame Stops
determined by the propel lever.
Positive traction control provides equal
hydraulic oil flow to each drive motor
to increase tractive effort in hard cutting
applications.
Polyurethane track pads provide long
service life and positive traction on all
pavement surfaces.
Rotor Drive
Caterpillar wet clutch delivers maximum available horsepower to each ground engaging
tool while providing long service life and reliability.
Caterpillar wet clutch is the most
1
5
2
4
3
efficient and reliable system of applying
rotor power to the pavement. The rotor
clutch system has a separate oil sump,
pump, filter, clutch control valve and
oil cooler to provide continuous cooling
and lubrication.
Upper and lower sheave bearings are
continuously lubricated with oil from
the rotor drive clutch sump to provide
long life and reduced maintenance.
Caterpillar drum drive gear reducer
provides reliability and long service
life. An input shear shaft is provided to
protect the rotor and final drive from
overload conditions. Rotor mandrel is
liquid-filled to dissipate heat and cools
gear reducer.
1 Upper Sheave
ension Cylinder
T
2
Input Shear Shaft
3
4 Lower Sheave
5 Molded Drive Belt
Molded eleven-rib high tensile belt
provides long service life.
Automatic belt tension adjustment
prevents slipping and reduces
maintenance.
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