Komatsu BR-CX50.pdf

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CX50
3.5 / 4.0
4.5 / 5.0 ton
DIESEL & GASOLINE FORKLIFT
TRUCKS
Series
www.Komatsu.com
Printed in Japan 1012-4-03shi
Form No. BR-CX50-003
Materials and specifications are subject to change without notice
is a trademark of Komatsu Ltd. Japan
"Reducing Total Operating Costs" with
Komatsu Innovative Technologies
The fusion of advanced engines and Komatsu’s unique hydraulic system enables
the new CX50 Series to achieve a significant reduction in the total operation costs and facilitates
superior work performance. Our innovative machines challenge the conventional concept of the forklift.
The Advanced Technology offers Reduced CO
2
Emissions (Diesel)
The diesel models feature the S4D95LE-3 engine in
combination with the efficient CLSS hydraulic system, enabling
them to reduce annual CO
2
emissions by about 2.2 tons.
KOMATSU
ONLY
A Clean and Powerful Diesel Engine
that features Cutting-Edge Technology
Low fuel consumption and low environmental impact is enabled by a 3.3-liter
compact engine. The new diesel engine adopts Komatsu’s advanced
technologies, a power source in demanding work places.
Annual CO
2
emissions
About
Diesel Engine Truck
Gasoline Engine Truck
An optimum engine achieves low fuel consumption and
high performance.
A fully electronically controlled engine with a 3-way catalytic system
conforms to the latest emission regulations.
2.2
tons reduction
EPA Tier 2 / EU Stage II Emission Compliant
CO
2
CO
2
24,900
kg-CO
2
Komatsu's Hydraulic System and the NEW Diesel Engine reduce the Fuel Consumption
In order to minimize hydraulic loss and reduce the
engine load, the new CX50 Series adopts the CLSS
hydraulic system, a proven technology of Komatsu
construction machines. The compact 3.3-liter engine
features superior performance and achieves up to
8% less fuel consumption.
KOMATSU
ONLY
27,100
kg-CO
2
S4D95LE-3
Displacement:
3,260
cm
3
The "CLSS" contributes to Low Fuel Consumption
and High Productivity
The Hydraulic load is automatically detected and only the appropriate
amount of oil is supplied via a variable displacement pump. This system
eliminates the loss of hydraulic oil and reduces the engine load.
Rated Output:
Previous
NEW CX50
Diesel Engine
FD50AYT
-10
58.8
kW
@
2,350
min
-1
Maximum Torque:
286
Nm
@
1,600
min
-1
CLSS
Komatsu tested data, Comparison with FD50AT-7 model.
The CO
2
emission coefficient is given in the Common Guidelines of the Japanese METI and MLIT (April 2006).
The results may vary depending on conditions.
Fuel Consumption
Max.
C
losed-center
L
oad
S
ensing
S
ystem
Engine
No loss of hydraulic oil results in;
Smooth operation of attachments
Lifting becomes possible
at low engine RPM
Gasoline Engine with a 3-Way Catalytic System
An electronic controlled engine with a 3-way catalytic system ensures a clean
workplace.
8
% saving
Hydraulic
oil tank
Lightly Loaded
EPA and CARB Tier 2 Emission Compliant
Control
valve
Variable displacement pump
EBT-TB45-1A
*
Displacement:
4,478
cm
3
Rated Output:
No Excess Oil
62.5
kW
@
2,400
min
-1
Maximum Torque:
272
Nm
@
1,600
min
-1
Engine
* EBT-TB45-1A for Gasoline.
Previous hydraulic system
Previous
NEW CX50
Diesel Engine
FD50AYT
-10
Komatsu tested data, comparison with FD50AT-7 model.
The results may vary depending on conditions.
Fixed amount of oil is supplied
from the gear pump and
excess oil is returned to the
hydraulic oil tank. This resulted
in increased engine load.
Heavily Loaded
Hydraulic
oil tank
Gear pump
Control
valve
Excess Oil
Reduced Total Operating Costs (Diesel)
The sealed wet disc brakes can withstand about
10,000* hours without maintenance, eliminating
frequent brake shoes replacements. The reduced
maintenance costs and fuel saving provide a total
operating cost reduction of about 4% over eight years
of usage.
*A
periodical check and oil replacement are necessary.
Komatsu genuine engine oil is recommended.
I
Total operating cost
(*Image)
Total operating cost
Previous
Approx.
4
% saving
(8 years)
I
Running cost
(Accumulated costs for 8 years)
Assuming FD50AT-7 as 100%;
NEW CX50
GFuel
costs
max.
8% saving
max.
Diesel Engine
FD50AYT
-10
Komatsu tested data,
Comparison with FD50AT-7 model.
Operation hours: 5 h/day,
25 days/month (Total: Approx. 1500 h/year),
Maintenance intervals to manufacturer’s recommendation.
Cost calculation is based on Japanese market price.
The results may vary depending on conditions.
GBrake
maintenance
costs
36% saving
1st year
3rd year 4th year
8th year
2
3
Superior "Productivity" and "Reliability"
satisfy demanding operations
Durable Wet Disc Brakes to withstand Severe Conditions
The wet disc brake is sealed with oil to block dust penetration,
providing durable, water resistant and fade resistant
characteristics. Smooth, stable braking provides “Productivity” and
“Reliability” in demanding operation.
Excellent Durability for Demanding Work
Rugged Design with High Rigidity
Improved Reliabilities for the Hydraulic and
Electrical Systems
The main hydraulic pipe connectors are face-sealed using
O-rings. Waterproof connectors are provided to the main
harnesses and the system controller in order to provide
higher resistance to water and dust. Hydraulic and electrical
piping systems are in separate configurations to improve the
reliability and servicing.
KOMATSU
ONLY
The high rigidity mast, frame, front and rear axles ensure
outstanding reliability even when performing heavy-duty work.
[Mast]
A heavy mast rail profile for excellent rigidity.
A Cooling System to achieve
Increased Braking Stability
The oil in the wet disc brake system is circulated through the brake oil
cooler. This mechanism ensures stable braking under a heavy work load
and prevents deterioration of the braking force due to raised oil
temperatures.
Wet disc brake
Brake oil cooler
[Frame]
Increased thickness of the counterweight mounting section.
[Front axle]
The proven design of the Komatsu wheel loaders is adopted.
[Rear axle]
The durability of the Power Steering cylinders is improved.
Oil pump
A Cushion Valve improves the Brake Feeling
Komatsu's unique cushion valve enables a controlled braking force that
precisely reflects the pressure on the brake pedal. The braking behavior is
thus improved.
I
Steady breaking is always achieved.
I
Overheating of the brakes is prevented.
I
Rough stopping is prevented when braking.
I
Downtime and maintenance costs are reduced.
First-class Productivity is achieved
First-class Cycle Time
The diesel models adopt a compact 3.3-liter engine with the
advanced CLSS hydraulic system to achieve high
productivity and a first class cycle time. The gasoline engine
model also achieves a superior cycle.
The NEW CX50 Series achieves high productivity
equivalent to the previous CX Series.
The CLSS enables Lifting at Low Engine RPMs
The CLSS makes it possible to lift the load for fine height
adjustment without increasing the engine speed.
(FD40YT-10, Unloaded)
Reduced engine RPM in the following cases:
80 mm/s
Impossible
to lift
Fine adjustment of fork height
Lifting fork tips before starting
Fine adjustment for side shifting
NEW CX50
Cycle time
Displacement
3.3R
Diesel Engine
FD50AYT
-10
Previous
The CLSS enables advantages such as:
NEW CX50
Smooth traveling during hydraulic operation
Superior productivity is also featured when fitted with attachments
Fuel consumption reduction up to 8% (Diesel)
Displacement
Lifting Speed
Previous
Displacement
5.9R
Fuel consumption
Komatsu tested data,
Comparison with FD50AT-7 model.
The results may vary
depending on conditions.
The Compact 5.0 ton model
Fully Hydrostatic Power Steering
for Superb Maneuver
The compact 5.0 ton model features a shorter
wheelbase and swift mobility while maintaining the
power and speed capable of achieving high
productivity.
Height:
2250 mm
GLifting
Speed
(Loaded)
Diesel Engine
FD50AYT
-10
Gasoline Engine
FG50AT
-10
455
mm/s
GTraveling
Speed
(Unloaded)
Diesel Engine
FD50AYT
-10
440
mm/s
Gasoline Engine
FG50AT
-10
The FHPS (Fully Hydrostatic Power Steering) mechanism
facilitates fully stationary steering as well as switchback
operations using the small diameter steering wheel. The
system has a superior response capability so that the
operator can pick up or place cargo flexibly even in a narrow
space.
Length:
4405 mm
24.0
km/h
4
24.5
km/h
5
Advanced Design in Pursuit of
"Safety and Comfort"
Effective Safety Mechanisms
"Operator Presence Sensing system"
(Diesel:Optional / Gasoline:Standard)
When the operator
leaves the seat,
Operator Presence
Sensing system
is activated
Comfortable & Fatigue-Free Operation Even Over Long-Hour Operation
Dual Floating Structure Reduces Vibrations
A unique dual vibration
cushioning mechanism reduces
vibrations in the compartment,
steering wheel, control levers and
the mast. Any vibrations
transmitted from the engine or
road surface are quickly
absorbed. The mechanism is
friendly to both operator
and load.
KOMATSU
ONLY
GSuspension
cab
The entire cab is isolated
from the frame.
Suspension Seat for Improved
Comfort at Work
The deluxe suspension seat features
improved vibration resistance and
reduces the burden on the body.
The Operator Presence Sensing system incorporates a
Lifting/Traveling interlocking function. This is a safety function for
disabling traveling and lifting mechanisms when the operator is not
correctly occupying the seat. An alarm buzzer sounds if the
operator leaves the seat while traveling.
*The traveling interlocking function only disengages traction and does not automatically apply the brakes.
*Operator Presence Sensing system: ISO3691-1 compliant
Lifting interlock lamp
on the meter panel
GPower
train floating
The engine and transmission are isolated from the frame.
Parking Brake Alarm
A Wide Angle Center Mirror
enables an Easy Rearview
Smooth Getting On/Off
• Six-step reclining backrest
• 170 mm slide distance backward and forward
• Seat cushion adjustment dial
• The retractable seat belt
A double action
type brake lever
to prevent mishandling
Comfortable Reversing by
Preventing Exposure to
Hot Air/Exhaust Gas
ISO-Compliant Enhanced
Overhead Guard for Operator's Protection
A Safety Mechanism that prevents
starting the engine unless
the brake pedal is pressed
Enlarged assist grip
Improved design of engine hood
and step
A Neutral Start Function for
Preventing a Sudden Start
The engine cannot be started unless
the F-R switch is in the neutral position.
KOMATSU
Two counterweight air outlets are
ONLY
provided on the left and right sides
and an exhaust pipe outlet is provided
at a lower position so that the operator
is not exposed to hot air from radiator
or to exhaust gasses when reversing.
Clean Exhaust Air with a
3-Way Catalytic System
(Gasoline)
The 3-way catalytic system
purifies the nitrogen oxide (NOx),
hydrocarbons (HC) and carbon
monoxide (CO) emissions.
Neutral indicator
for at-a-glance
information
Secure Operation Controls improve Operator Work Efficiency
Secure Lever Controls with
Minimum Movement
A Smaller Steering Wheel
Permits Widened Front Visibility
Use of a smaller steering wheel and
redesign of the dashboard have
improved the visibility of the bottom of
the fork, thus further facilitating the
lifting operation.
The Low Noise Design
The low-noise design of the
engine and the fully sealed
floor reduce offending noise
volumes during operation.
Exhaust outlet
Improved Brake Feeling
Komatsu’s unique cushion valve
enables control of the braking force in
proportion to the pressure on the
brake pedal and improves the brake
feeling.
KOMATSU
ONLY
Careful Design Facilitates Inspection and Servicing
Filter Layout Optimization
for Improved Serviceability
A fully-opening floor plate.
Steering wheel diameter:
300
mm
Finger-tip operation
with the electric F/R lever
Wide Opening Engine Hood
with a Lock for Easy Servicing
Control lever with
an excellent hand
fitting profile
Easy Radiator Cleaning
Engine hood locking
provides safety servicing
6
7
IModel
IMajor
equipment
: Standard
CX50 Series
Engine
CLSS (Closed-center Load Sensing System)
Wet disc brake
Engine-related
EPA Tier 2/EU Stage II equivalent Diesel engine
EPA Tier 2 compliant Gasoline engine
Turbo-charger
3-way catalytic system
Large capacity radiator
Dual floating structure
New operator's seat with suspension
Traveling-related
Small diameter steering wheel
Tiltable steering column
Electric forward/reverse lever
Combination switch (turn signal light & light switch)
Indicator auto-return mechanism
Full-open step
Paper binder at engine hood
Glove box at dashboard
Meter panel
Meters
Hourmeter (6-digit)
Engine cooling water temperature gauge
Torque converter oil temperature gauge
Fuel gauge
Lifting interlock lamp
Engine oil pressure warning lamp
Charge warning lamp
Neutral indicator
Indicators
Brake fluid pressure warning buzzer
Air cleaner element warning lamp
Fuel level warning lamp
Cooling water level warning lamp
Battery electrolyte level warning lamp
Sedimenter warning lamp
Glow indicator
Large capacity alternator
Electric components
Quick auto glow system
Neutral start function
Auto fuse
Low maintenance battery
Engine key stop function
Halogen headlight
Rear combination light
Back-up buzzer
Operator Presence Sensing system
Sedimenter with priming pump
Mechanism
Cyclone air cleaner (double element)
Parking brake with release button
Fully hydrostatic power steering
Steering knob synchronizer function
Non-asbestos parking brake linings
Key-off lift lock
Floor mat
Steel cabin with cooler
Assist grip
Overhead guard with front/rear conduits
Wide angle center mirror
Exterior
Rear view mirrors (pair)
Full shield solid-state engine hood
Easy-removable floor panel
Easy-removable radiator cover
Engine hood lock
Radiator reservoir tank
Resin dashboard cover
Jacking points
Upward exhaust muffler
Front glass with wiper
Diesel
Gasoline/ LPG
: Option –: N/A
ICompact
model
This model is designed specifically for
operating in restricted spaces. The load
center is 500 mm.
IStandard
model
This model is designed to perform a broad
range of general-purpose applications. The
load center is 600 mm.
IOptional
Specification Truck
IAttachments
G
LPG specification truck
Komatsu offers both single fuel (LPG) and
dual fuel systems (LPG/Gasoline) for the
LPG Specification truck.
G
Side shifter
The fork may be shifted sideways together
with its backrest, both to the right and to the
left.
G
Fork clamp
This attachment is effective for handling
packed cotton and rough textile loads by
grabbing them firmly from both sides.
G
Fork positioner
The operator is able to adjust the fork
spread width from the operator's seat.
G
Block clamp
This attachment can pick up concrete
blocks without using pallets.
IMast
G
G
Hinged fork
The fork tilts up/down using its hinge as a
fulcrum.
G
Rotating fork
Used together with the fork inserted
container, this attachment is used for
transporting items such as powder, fluids,
etc. The fork is rotated in order to discharge
the load.
2-stage free view mast
The mast enables a wide view with
excellent forward visibility.
G
Load stabilizer
The load is securely held from the top by
the pressure plate of the load stabilizer.
G
G
2-stage full free view mast
This is ideal for sites with height limitations,
where the large free lift is required.
G
Bale clamp
This attachment is recommended for
handling packed pulp or raw cotton. The
bale is efficiently held from both sides by the
bale clamps.
Roll clamp
Rolls of paper or cylindrical objects are
safely and securely handled by this
attachment. It is possible to rotate the
clamped load through 360 degrees.
G
3-stage full free view mast
The mast extends in three stages and high
level loading is easily performed.
IOptions
Engine & power train related
G
Pre-cleaner
G
Exhaust gas purifier
Electrical equipment
G
Back-up chime
G
Mast mount type head lights
G
Rear working light
G
Yellow strobe light
G
Red strobe light
(catalytic muffler) (Diesel)
G
Spark arrester
G
Upward exhaust muffler
G
Radiator screen
G
Right forward/reverse lever
G
Automatic transmission (4.5 & 5.0 t)
G
LPG swing down bracket (LPG)
Meters & gauges
G
Air cleaner element warning lamp
G
Fuel level warning lamp
G
Cooling water level warning lamp
G
Battery electrolyte level warning lamp
G
Speedometer with alarm
G
Load checker
G
Mast tilt angle gauge
G
Individual key switch
Exterior
G
Canvas cabin
G
Steel cabin
G
Steel cabin with cooler
G
Heater
G
Tilt cylinder boots
G
Power steering cylinder protector plate
G
Fuel cap with key
G
Seat heater
G
Front glass with wiper
G
Rear view mirrors (pair)
G
Resin overhead guard cover
G
Fire extinguisher
Tyre-related
G
Elastic cushion tyre
G
Color non-marking tyre
G
Double front tyre
8
9

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