Cat C4.4 engine with ACERT Technology
provides steady, reliable, clean-burning
power that meets European Stage IIIA
emissions standards.
Improved Serviceability
New Cat HYDO™ Advanced 10 hydraulic
oil provides a change interval increase to
3 years/3000 hours. All service performed
from right side of machine. New hydraulic
test port block makes oil sampling easy.
Scheduled oil sampling on vibratory
system is no longer required .
Excellent Gradeability and
Machine Control
The exclusive Cat dual-pump propel
system provides unmatched machine
control with minimum drum and wheel
slippage in low traction conditions.
Comfortable Operator’s Station
Improved engine bay airflow reduces hot
air blowback on the operator’s station
and excessive dust; adjustable seat,
adjustable wrist rest; unrestricted
visibility to the drum and rear of the
machine; minimized vibrations and noise .
With a number of enhancements that improve productivity
and reliability while reducing owning and operating
costs, the CS44 and CP44 Vibratory Soil Compactors are
the latest evolution of a class-leading design. Throw in
the durable and field-proven powertrain and vibratory
system, along with unmatched customer service and
support, and it is easier than ever to see why you can
Count on Cat.
Page 3
Ready to Go
Robust, versatile and highly mobile, the CS44 and CP44 can do it all.
With all the choices available, what makes the Cat CS44 and
CP44 the smart and easy decision for your soil compactor
purchase?
Easy to Use
Controls are where you expect them to be. Dials and indicators
tell you what you need to know. The comfortable operating
station enables the operator to stay alert, safe and productive.
High Productivity
The Cat dual-pump propel system provides excellent mobility
and gradeability. The exclusive Cat pod-style vibratory system
provides reliable compactive effort with lower system noise than
competitive machines.
High Versatility
Useful options, like the padfoot shell kit and leveling blade,
enhance the versatility and use of the CS44 and CP44.
Increased Reliability and Durability
A powerful new engine with an improved, more robust design,
coupled with a bigger, more efficient cooling package, gives the
CS44 and CP44 an edge over competitive machines.
Lower Owning and Operating Costs
The CS44 and CP44 feature enhanced serviceability, decreasing
machine maintenance time and lowering cost of ownership. The
longest available service intervals for vibratory system and
hydraulic oil service, parts commonality with other Cat
equipment and right-side service design also contribute to
lowered costs. Compare our owning and operating costs with the
competition and you will see why the CS44 and CP44 are the
easy choice.
A Name You Know
You already trust Caterpillar for your earthmoving equipment–
why would you trust anyone else for your compaction
equipment? Your Cat Dealer provides unmatched service on
your entire fleet, reducing maintenance and service costs. One
single source who understands the needs of your business. And,
the Caterpillar brand means that when it is time to buy new
equipment, you will receive the maximum resale value on the
equipment you are replacing.
33
Page 4
Engine and Propel System
Advanced engine and hydraulics are durable, reliable and productive.
A smooth, robust and clean-burning engine combined with stateof-the-art hydraulic components and the exclusive Cat dualpump design make the CS44 and CP44 agile, quick and
dependable.
Powerful C4.4 Engine with ACERT™ Technology
This high-tech four cylinder engine provides outstanding
durability, performance, reliability and operating economy while
producing less emissions. ACERT Technology combines proven
systems with innovative new technologies to precisely shape the
combustion process, providing more complete combustion of
fuel and lower emissions. The C4.4 engine meets European EU
Stage IIIA emissions standards.
More Robust Block and Components
The C4.4 has been built with a thicker engine block and more
robust components, improving durability and reliability while
helping to keep noise levels low. The robust design also
contributes to improved cold-weather starting performance.
Too steep? Not likely.
Power and traction get you where you need to go.
The Cat Dual-Pump Propel System, coupled with a limited
slip differential on the rear axle, provides smooth balanced
power to the wheels and drum, allowing the CS44 and CP44
to climb the steepest embankments and trench ramps.
Low-mounted Oil Pump, Large Oil Cooler
The positioning of the oil pump provides quick start-up
lubrication, ensuring less engine wear and a longer engine life.
The cooling package has been increased in size by 25%,
reducing oil deterioration and varnishing of internal components
as well as operating temperatures. Engine oil change interval is
every 500 hours.
Dual-Pump Propel System
The dual-pump propel system, unique to Cat compactors, has
dedicated pumps to drive the heavy-duty, high-torque rear wheel
and drum motors independently. Should the drum or wheels
begin to spin, the non-spinning motor still receives hydraulic
flow, allowing continuous tractive effort especially useful in
loose underfoot conditions.
Caterpillar’s pod-style vibratory system delivers superior
1
4
compactive force, industry-leading serviceability and smoother,
more quiet operation.
Pod-style Weight Housing is a Proven Design
Assembled and sealed at the factory to ensure cleanliness, longer
bearing life and easier field exchange or service.
Dual Amplitude Increases Versatility
Works efficiently in a wider range of applications. High or low
amplitude is selected from the operator’s station.
High Compaction Force with Versatile Options
31.9 Hz vibratory frequency brings high-production compaction
force to bear. Optional variable frequency control allows
operator to adjust frequency to match varying job conditions.
The proprietary eccentric weights, activated from a thumb
switch on the propel lever, feature a design that utilizes
repositioning steel shot to change amplitude. This design
assures smooth, low-noise, positive activation as the round
shot fluidly shifts position.
High Reliability
Unlike the clunky, steel plate designs of competitive models,
the steel shot cannot jam, and repositioning does not create
metal fragments that can contaminate the bearing lubrication
system.
5
Page 6
Smooth Drum CS44
Excellent performance while compacting granular materials.
Durable and Versatile
The heavy-duty smooth drum provides excellent performance
for use on granular materials. The smooth drum can be fitted
with an optional removable padfoot shell kit to enhance machine
capabilities on semi-cohesive and cohesive soils.
Scraper Design
A steel scraper on the front of the drum is adjustable to keep it in
consistent contact with the drum surface, improving
performance.
Scraper Options
Optional scrapers are available, including a steel scraper for the
rear of the drum and polyethylene scrapers that provide
enhanced drum contact.
Padfoot CP44
High ground contact pressure.
High-production Design
The padfoot drum has 108 pads welded in a chevron
arrangement. Padfoot drums offer superior performance when
compacting cohesive and semi-cohesive materials.
Round Pad Design
Round pad is 90 mm high with a pad face surface area of
63.8 cm2 for high ground contact pressure and maximum
compaction. Tapered, self-cleaning design allows pads to walk
out of the lift without fluffing or “kicking up” the soil around
the pads.
Drum Scrapers
Wide, individually adjustable and replaceable scrapers
mounted on the front and rear of the drum reduce excessive
material build-up between the pads.
Padfoot Drum shown with optional Leveling Blade
attachment.
666
Page 7
Features and options to maximise operator comfort and productivity.
Available with a standard ROPS/FOPS Canopy or an optional
ROPS/FOPS Cab, the CS44 and CP44 provide excellent
operator comfort, which facilitates high productivity. The
operator’s platform is isolated from the frame with heavy duty
isolation mounts, which reduce vibration to the operator.
Optional ROPS/FOPS Cab
The ROPS/FOPS Cab is spacious and comfortable, with large
windows and exceptional visibility. Excellent ergonomics and
low sound levels keep the operator alert and in control. Standard
cab features include:
• A comfortable, adjustable cloth seat
• Internal rear view mirror and two exterior rear view mirrors
• Two front-facing and two rear-facing working lights
• A cab lift cylinder for greater access to the hydraulic pump
package
• Front and rear windshield wipers
• Slide-open side windows
• Climate control with air conditioning, a heater and defroster
• Pre-wired for the addition of a radio set (radio not included)
• 12-volt outlet for personal communication devices
• Lockable personal storage bin and cupholder/lunchbox storage
Operating Environment
Operator’s Station
A tilting steering console provides maximum comfort and easy
egress. All controls, levers, switches and gauges are positioned
for easy use. The comfortable and durable seat provides
adjustment for forward and backward positioning, seat height
and suspension stiffness. The seat has flip-up arm rests and a 76
mm wide retractable seat belt. An adjustable wrist rest mounted
near the propel lever reduces operator fatigue from extended
operation. A floor mat reduces vibrations. An optional rotating
seat provides 20 degrees of pivot adjustment.
7
Page 8
Industry Leading Serviceability
Cat machines are designed to keep owning and operating costs low.
Cat customers know that much of the value of a Cat machine is
realized away from the job site. Cat machines are designed for
easy maintenance and long service intervals, maximizing uptime
and minimizing costs.
Visual Indicators
Allow easy and fast check of engine coolant, hydraulic oil tank
level, and air filter restriction.
Operator’s Station Tilts Forward
Allows convenient access to hydraulic pumps.
Rear Mounted Cooling System
Provides easy access for cleaning. Hydraulic oil cooler tilts
rearward for additional access to radiator.
Maintenance-free Articulation Hitch
Articulation hitch has sealed-for-life bearings, eliminating need
for greasing or maintenance.
500 Hour Engine Oil Service Interval
3 Year/3,000 Hour Vibratory Bearing Lube Service Interval
Extended service interval reduces maintenance costs and
maximizes uptime. Scheduled oil sampling of vibratory system
no longer required.
3 Year/3,000 Hour Hydraulic Oil Service Interval
The CS/CP44 comes with a standard factory fill of Cat HYDO™
Advanced 10 hydraulic oil, which extends service intervals,
reduces maintenance costs and maximizes uptime. With standard
oils, the service interval is 2 years/2,000 hours. Cat HYDO
Advanced 10 extends the interval to 3 years/3,000 hours.
S•O•SSMPorts
Allow for simple fluid collection of engine oil, engine coolant
and hydraulic oil.
Quick Connect Hydraulic Test Ports
Simplify system diagnostics.
Parts Commonality
The CS44 and CP44 share common parts with other Cat soil
compactors and machines, minimizing the number of wear and
service parts owners will need on hand.
Ground level access, right-side-of-machine service, and visual
indicators are just a few of the features that make Cat machines
easier and less expensive to service than the competition. The
CS44 and CP44 also feature a maintenance-free articulation hitch
8
and a tilting oil cooler for greater service access.
Polyethylene hose mounting looms reduce
rubbing, keep the systems organized and
increase service life.
Robust Electrical System Design
Nylon-braided wrap and all-weather
connectors ensure system integrity.
Electrical wiring is color-coded, numbered
and labeled with component identifiers to
simplify troubleshooting. New breaker block
design provides easier access to breakers.
Maintenance-free Cat Batteries
Provide 750 cold-cranking amps.
Maintenance-free Articulation Hitch
Articulation hitch has sealed-for-life
bearings, eliminating need for greasing or
maintenance.
Ecology Drains
Provide a method to drain fluids that is more
environmentally safe. They are included on
the radiator, engine oil pan, hydraulic tank
and fuel tank.
Simplified Fleet Tracking
Product Link option ensures maximum uptime and minimizes maintenance.
Machines are wire-ready to accept Product Link. Optional
Product Link streamlines diagnostic efforts, downtime, and
maintenance scheduling and costs by providing communication
flow of vital machine data and location information between the
dealer and the customer. Product Link provides updates on
service meter hours, machine condition and machine location.
Two-way Wireless Data Flow
Provides communication between on-board machine systems
and the Cat Dealer and owner.
Product Watch
Optional Product Watch service monitors your fleet for
unauthorized machine usage. Product Watch notifies owner via
email or pager if a machine operates outside of a configurable
set of parameters.
Page 10
Expand Your Productivity
Optional equipment adds to the versatility of your machine.
Padfoot Shell Kit
Available for the CS44, the padfoot shell kit extends the
application range of smooth drums to include semi-cohesive and
cohesive soils. Padfoot shell comes in two halves that can be
easily installed with an appropriate lifting device in about an
hour. Kit also comes with a dual purpose bumper that provides
storage for scrapers. Padfoot scrapers feature a new design that
provides increased removal of materials from the drum face. The
shell features 98 pads with a pad height of 90 mm.
Leveling Blade
Available on the CP44 and CS44 models equipped with the shell
kit. The leveling blade is controlled with a foot pedal, allowing
operators to keep their hands on the steering wheel and propel
lever during blade operation. The leveling blade can perform
multiple functions, including material knockdown, site leveling,
trench backfilling and light dozing. The blade features twopiece, reversible and replaceable cutting edges that increase
service life and reduce replacement costs.
ROPS/FOPS Cab
In markets where the cab is not standard equipment, the cab is
available as an option. The cab improves productivity by
increasing operator comfort.
Variable Vibration Frequency
Allows operator to vary the drum vibration frequency to match
drum performance to site conditions.
VPM Gauge
Mounted on the console, this gauge displays the actual vibratory
system frequency.
Volkel Ready Option
CS44 models can be equipped with the Volkel Analog
Compaction Display (ACD), a simple compaction measurement
gauge, by ordering the Volkel Ready Option, which provides a
pre-installed accelerometer/processor on the drum and an
electrical harness routed to the operator’s console. The Volkel
ACD is purchased separately from Volkel and installed on the
operator’s console by your dealer.
Operator Comfort Options
• Sun Visor
• Cab Internal Rear View Mirrors
• Roll-down Sun Screen
• Rotating Seat
• Rotating Beacon
Smooth Drum Performance Options
• Polyurethane Drum Scrapers
• Steel Rear Drum Scraper
Maintenance Options
• Operator Platform Lift Cylinder
• Bio-Oil Ready Option
10
Page 11
Unmatched support makes the difference!
Your Cat dealer is ready to assist you with your purchase
decision and everything after.
• Make comparisons of machines with estimates of component
life, preventative maintenance and cost of production.
• Financing packages are flexible to meet your needs.
• Your Cat dealer can evaluate the cost to repair, rebuild and
replace your machine, helping you can make the right choice.
• For more information on Cat products, dealer services and
industry solutions, visit us at www.cat.com.
Customer Support
Training and
Consulting Services
Get the most out of your machine
purchase and employees.
Cat Global Paving is proud to offer our industry-leading
application and machine maintenance training for the paving
industry. To learn more, speak with your local Cat Dealer.
Classes Lower Maintenance Costs, Increase Uptime
Classes focus on maintenance issues unique to machines used
in the paving industry. Students learn the machine systems,
preventative maintenance and troubleshooting skills.
Improve Production and Quality; Maximize Profits
Classes provide expert industry and technical knowledge,
plus Best Practices application knowledge, to streamline your
work force and hone their skills.
11
Page 12
CS/CP44 Vibratory Soil Compactor Specifications
Engine
Model: Cat C4.4 four cylinder liquid
cooled diesel engine with ACERT rated
at 2200 rpm.
Rated Power
Net: ISO 924970.3 kW / 95.6 hp
Gross power
ISO1439675 kW / 102 hp
Bore105 mm
Stroke127 mm
Displacement4.4 L
• All engine horsepower (hp) are metric
including front page.
• Ratings of Caterpillar machine engines
are based on standard air conditions of
25°C and 100 kPa dry barometer.
• Power is based on using API gravity
of 35 at 15°C, fuel having a LHV of
42 780 kJ/kg used at 30°C [ref. a fuel
density of 838.9 g/L].
• Net power shown is the power
available at the flywheel when the
engine is equipped with alternator,
air cleaner, muffler and fan.
• Net Power ratings are tested at the
reference conditions for the specified
standard.
• No derating required up to 3000 m
altitude. Auto derate protects hydraulic
and transmission systems.
Two variable-displacement piston pumps
supply pressurized flow to two dualdisplacement piston motors. One pump
and motor drives the drum propel system
while the other pump and motor drives
the rear wheels. The dual-pump system
ensures equal flow to the drive motors
regardless of the operating conditions. In
case the drum or wheels lose traction, the
other motor can still build additional
pressure to provide added torque.
The drive motors have two swashplate
positions allowing operation at either
maximum torque for compaction and
gradeability or greater speed for moving
around the job site. A rocker switch at the
operator’s console triggers an electric
over hydraulic control to change speed
ranges.
Speeds
Work 0 - 5.5 km/h
Travel0 - 12.3 km/h
Final Drives and Axle
Final drive is hydrostatic with planetary
gear reducer to the drum and hydrostatic
with differential and planetary gear
reduction to each whee.
Steering
A priority-demand hydraulic power-assist
steering system provides smooth loweffort steering. The steering system has
priority over other hydraulic functions.
Minimum turning radius
Inside drum edge 3080 mm
Outside drum edge4750 mm
Steering angle (each direction)+/- 37°
Oscillation angle (each direction) +/- 15°
Hydraulic system
Two 64 mm bore. double-acting
cylinders powered by a gear pump
Brakes
Service Brake Feature
Closed-loop hydrostatic drive system
provides dynamic braking during
operation.
12
Axle
Heavy-duty fixed rear axle with a limited
slip differential for smooth and quiet
torque transfer.
Axle width 1.27 m
Tyres
CS4414.9" x 24" 6-ply flotation
CP4414.9" x 24" 8-ply flotation
Secondary and Parking Brake Features
Spring-applied/hydraulically released
multiple disc-type brake mounted on the
drum drive gear reducer and rear axle.
Secondary brakes are activated by: a
button on the operator’s console; loss of
hydraulic pressure in the brake circuit; or
when the engine is shut down. A brake
interlock system helps prevent driving
through the secondary brake.
Braking system meets EN 500-4.
Page 13
CS/CP44 Vibratory Soil Compactor Specifications
Instrumentation
The Electronic Control Module (ECM)
constantly monitors condition of the
engine, and alerts the operator of
problems with three levels of warning.
Warning system includes: Action Alarm
and Lamp, Low Engine Oil Pressure,
High Engine Coolant Temperature, High
Hydraulic Oil Temperature, Low Charge
Pressure, Starting Aid and High
Combustion Air Temperature.
Instrumentation also includes an
Alternator Malfunction Light, Check
Engine/Electrical Fault, Service Hour
Meter and Fuel Gauge.
Drum and Vibratory System
Dimensions
Drum width
Drum shell thickness
Drum diameter
Number of pads
Pad height
Pad face area
Number of chevrons
Eccentric weight driveHydrostaticHydrostatic
Weights at the Drum
With ROPS/FOPS canopy
With ROPS/FOPS Cab and AC
Static linear load
Vibratory System
Standard
Optional
Nominal amplitude
High
Low
Centrifugal force @ 31.9 Hz
Maximum
Minimum
23.3 - 31.9 Hz23.3 - 31.9 Hz
CS44CP44
1676 mm1676 mm
25 mm25 mm
1221 mm1225 mm
—108
—90 mm
—63.8 cm
—12
3410 kg3760 kg
3510 kg3680 kg
20.3 kg/cm—
31.9 Hz31.9 Hz
1.67 mm1.59 mm
0.84 mm0.80 mm
134 kN134 kN
67 kN67 kN
2
Frame
Fabricated from heavy gauge steel plate
and rolled sections and joined to the
drum yoke at the articulation pivot.
Articulation area is structurally
reinforced and joined by hardened steel
pins. One vertical pin provides a steering
angle of ± 37° and a horizontal pin allows
frame oscillation of ± 15°. The
articulation lock prevents machine
articulation when placed in the locked
position. Sealed-for-life hitch bearings
require no maintenance. Frame also
includes tie-down points for transport.
Electric System
The 24-volt electrical system consists of
two maintenance-free Cat batteries,
electrical wiring is color-coded,
numbered, wrapped in vinyl-coated nylon
braid and labeled with component
identifiers. The starting system provides
750 cold cranking amps (cca). The
system includes a 75-amp alternator. A
new breaker block provides easy access
to breakers.
Maximum machine weight includes all attachments, full fluids and an 80 kg operator.
Standard operating weights include lubricants, coolant, 80 kg operator, half full fuel tank, full hydraulic system and half full water tank.
14
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Page 15
CS44 and CP44 Specifications
CS/CP44 Vibratory Soil Compactor Specifications
Operating Weights
With ROPS/FOPS cab, AC
equipped with padfoot shell kit
equipped with padfoot shell kit and blade
equipped with blade
With ROPS/FOPS canopy
equipped with padfoot shell kit
equipped with padfoot shell kit and blade
equipped with blade
Weight at Drum
With ROPS/FOPS cab, AC
equipped with padfoot shell kit
equipped with padfoot shell kit and blade
equipped with blade
With ROPS/FOPS canopy
equipped with padfoot shell kit
equipped with padfoot shell kit and blade
equipped with blade
Static Linear load (at drum)
With ROPS/FOPS cab, AC
With ROPS/FOPS canopy
CS44CP44
7240 kg7635 kg
8230 kg—
8710 kg—
—8045 kg
6900 kg7295 kg
7890 kg—
8370 kg—
—7705 kg
3510 kg3860 kg
4500 kg—
5160 kg—
—4410 kg
3410 kg3760 kg
4400 kg—
5060 kg—
—4310 kg
20.9 kg/cm—
20.3 kg/cm—
Power Train
Engine
Gross power
Maximum speeds
High range
Low range
Axle (differential)Limited SlipLimited Slip
Tyre size14.9” x 24” 6-ply14.9” x 24” 8-ply
Miscellaneous
Electrical system
Articulation angle
Oscillation angle
Fuel capacity180 liters180 liters
C4.4 ACERTC4.4 ACERT
75 kW/102 Hp75 kW/102 Hp
12.3 km/h12.3 km/h
5.5 km/h5.5 km/h
24 VDC24 VDC
± 37°± 37°
± 15°± 15°
15
Page 16
CS/CP44 Vibratory Soil Compactor
®
For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at
www.cat.com
Materials and specifications are subject to change without notice. Featured machines in photos
may include additional equipment. See your Caterpillar dealer for available options.
Cat, Caterpillar, their respective logos, “Caterpillar Yellow” and the POWER EDGE trade dress as well as
corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.
HEHG4318 (11/2009) hr
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