Komatsu FH404550.pdf

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HORSEPOWER

Gross: 53 kW 72 HP / 2150 min

-1

Net: 50.8 kW 68 HP / 2150 min

-1

CAPACITY

4000 - 5000 kg

FH40

-1

FH45

-1

FH50

-1

IESEL

ORKLIFT

RUCKS

www.Komatsu.com

Printed in Japan 201210 IP.SIN

Photos may include optional equipment.

CEN00514-01

Materials and specifications are subject to change without notice

is a trademark of Komatsu Ltd. Japan

FH40/45/50

-1

IESEL

ORKLIFT

RUCKS

DIESEL FORKLIFT TRUCKS

FH40/45/50

-1

HORSEPOWER

Gross: 53 kW 72 HP / 2150 min

-1

Net: 50.8 kW 68 HP / 2150 min

-1

CAPACITY

4000 - 5000 kg

ALK

-A

ROUND

Superior Fuel Economy

●

Built upon Komatsu’s unique hydraulic and control

technologies

●

Superior fuel economy in high cycle operations

●

Reduced CO

emissions

●

Electronically-controlled HST

●

Variable displacement pump with CLSS

●

Variable engine output control function

●

Auto engine shutdown function

●

Low emission engine

See pages 4 and 5.

Durability & Reliability

●

High-quality and reliable Komatsu

components

●

Improved engine starting performance

●

Heavy-duty sealed wet disc brakes

●

Enhanced brake reliability

See page 7.

Controllability & Safety

●

Smooth directional changes without releasing

accelerator pedal

●

Controlled rolling back on a ramp

●

Less inching pedal use means reduced

operator fatigue

●

No creeping

●

Shock-free shifting

●

Travel speed limiter

●

Neutral start function

See page 6.

KOMTRAX

●

Komatsu machine tracking system

See page 8.

FH50-1

FH40-1

FH45-1

FH40/45/50

-1

IESEL

ORKLIFT

RUCKS

DIESEL FORKLIFT TRUCKS

FH40/45/50

-1

UPERIOR

UEL

CONOMY

New forklift trucks built upon Komatsu’s unique hydraulic and control technologies

The FH Series was designed to utilize highly reliable,

field-proven Komatsu’s drive and control components

that have been used for many years in Komatsu

construction equipment. The travel system is

T”,

“Electronically-controlled HST”, Komatsu’s unique

hydraulic drive system that has been employed for

Komatsu wheel loaders and bulldozers. The lift

able

hydraulic system uses “Variable displacement pump

with CLSS”, a highly efficient hydraulic system

ulic

employed in Komatsu hydraulic excavators. The FH

Series models are powered by a Komatsu designed

gine

and manufactured diesel engine that features

es.

advanced engine technologies. All these are

combined to achieve superior fuel economy, reduced

tanding

environmental load and outstanding controllability.

mission

HST : Hydro-Static Transmission

CLSS : Closed-center Load Sensing System

No heat loss

or slippage

HST controller

Brake pedal

(Inching)

Accelerator pedal

WA380

-6

Electronically-controlled HST

In this system, the engine rotates the hydraulic pump, the

hydraulic power is transmitted to the hydraulic motor which

is mounted directly on the drive axle, and then the tractive

effort is transmitted through the differential and to the driving

wheels. Since this system does not have a clutch which is a

vital component for torque converter-drive forklift trucks,

there is no possibility of heat loss or slippage which could be

caused by the inching pedal during inching operation. Thus

the system minimizes power transmission losses and

reduces fuel consumption.

Variable displacement pump with CLSS

Since the variable displacement pump supplies just the

amount of oil needed to do specific work, there is no loss of

hydraulic oil. This system makes very efficient use of the

engine power, resulting in reduced fuel consumption. With

this system the operator also can lift the load with the engine

running at slow speeds, further reducing fuel consumption.

Engine

Small engine power

Control

valve

Cylinder

Hydraulic

oil tank

Variable displacement pump

No hydraulic loss

ECM

HST

Differential

gear

Engine

Conventional fixed displacement gear pump

Motor

Wheel

Control

valve

Variable displacement pump

Pump

Fixed displacement gear pumps deliver a specific amount of oil per

rotation, many times delivering excessive amount of oil and leading

to added loading on the engine and added fuel consumption.

Engine

Superior fuel economy in high cycle operations

Komatsu’s “Electronically-controlled HST”, “Variable

displacement pump with CLSS” and SAA4D95LE-5 diesel

engine work in harmony to achieve significant fuel economy,

especially in high cycle operations where fast-paced

loading, unloading, and directional changes are prevalent.

Lift hydraulic system: “Variable displacement

pump with CLSS”, a hydraulic system employed in

Komatsu construction equipment

Komatsu’s CLSS hydraulic system has been utilized in their

hydraulic excavators for many years. In this system the load

is sensed and the variable displacement pump supplies least

necessary oil flow to lift the load. Compared to the

conventional fixed displacement gear pump, this system

provides for much greater efficiency by minimizing hydraulic

oil loss, making good use of engine power and reduces

overall fuel consumption.

Cylinder

Pressure

sensor

Large engine power

Conventional torque converter-drive forklift truck

In this type of system, the torque converter fan that receives the

engine power must rotate the other fan on the transmission side

through an oil bath. Difference in the rotation speed is inevitably

caused between the two fans, resulting in transmission power loss.

In addition, this type of system might generate more heat and

slippage due to slipping of the clutch, especially if used in a high

cycle application where the inching pedal is used frequently.

Cylinder

Control

valve

Fixed displacement

gear pump

Hydraulic

oil tank

Reduced CO

emission

Komatsu’s advanced engine technologies reduce

environmental impact with reduced CO

emissions.

Large hydraulic loss

Travel system: Komatsu’s unique hydraulic drive

system “Electronically-controlled HST”

The FH series employs electronically controlled hydraulic

transmission, which replaces the torque converter and

manual transmission found on conventional forklift trucks.

The engine rotates the HST hydraulic pump, then supplies

oil flow to the HST hydraulic motor and the motor drives the

front wheels. Both the engine speed and the HST pump

delivery are simultaneously electronically controlled to the

optimum level for the situation, you can achieve optimal

performance without wasting engine power and fuel.

Low emission engine

Variable engine output control function

The HST controller senses weight of the load, automatically

sends signal to engine ECM to control engine output to

balance necessary power and reduce fuel consumption.

Differential

gear

Inching pedal

Accelerator pedal

Large heat loss

or slippage

Transmission

Torque

converter

ECM

Engine

Komatsu SAA4D95LE-5, EPA Tier 4 Interim and EU Stage

3A emissions certified, turbo-charged 4-cylinder diesel

engine powers the FH series forklift trucks without sacrificing

power or machine productivity.

Rated Output :

Auto engine shutdown function

Auto engine shutdown function is equipped as standard. If

the operator applies the parking brake, sets the directional

lever in the neutral position and leaves the forklift truck but

without stopping the engine, the engine is automatically

shutdown after a preset time. This feature contributes to

prevent unnecessary fuel consumption caused by needless

idling.

Cylinder

Wheel

Clutch

Fan

50.8

kW / 2150 min

-1

(Net)

Control

valve

Fixed displacement gear pump

FH40/45/50

-1

IESEL

ORKLIFT

RUCKS

DIESEL FORKLIFT TRUCKS

FH40/45/50

-1

ONTROLLABILITY AND

AFETY

Smooth directional changes without releasing

accelerator pedal

The engine is not mechanically connected to the drive

system, but rather connected hydraulically to transmit

tractive force, making it possible for the FH series forklift

trucks to make directional changes smoothly without the

need to releasing the accelerator pedal. This greatly

enhances ease of operation.

* For safety operation, slow down before directional changes.

URABILITY AND

ELIABILITY

High-quality and reliable Komatsu components

All of the FH series main components, such as engine,

hydraulic pumps, hydraulic motor, axles and controllers are

designed, developed and manufactured by Komatsu,

ensuring the quality and reliability that comes from exacting

Komatsu engineering standards.

WA380

-6

Shock-free shifting

The HST drive system is a continuously variable speed

transmission and provides smooth acceleration and step-

less ratio changes, thus there are less shock and worries for

load shifting.

Heavy-duty sealed wet disc brakes

The FH series forklift trucks are equipped with sealed wet

disc brakes which its performance is field-proven by

Komatsu construction equipment. The sealed wet disc

brakes provide protection from dust, dirt and debris,

providing superior durability, fade and water resistance,

promoting constant and stable brake performance in high

cycle operations.

Unlike the conventional

drum brakes, frequent

brake shoes

replacements are not

needed, thus downtime

is reduced.

Travel speed limiter

Travel speeds can be set in 4 stages. This function is useful

to reduce speeds in tight spaces or to keep the forklift within

specific in-plant speed limitations.

(Set travel speed: 5, 8, 15, 23.5 km/h)

Controlled rolling back on a ramp

The HST drive system has a self braking feature which

hydraulic flow of fluid is stopped by releasing the accelerator

pedal. This feature prevents uncontrolled rolling back and

holds the truck on a ramp while the operator releases the

brake pedal for a ramp-start.

Enhanced brake reliability

Neutral start function

The FH series engine is only permitted to start when the

operator is in the seat, the directional lever is in the neutral

position and the brake pedal is kept

depressed. This function prevents

sudden starting of the forklift truck.

Improved engine starting performance

The FH series forklift truck uses 24 volt electrical

components to improve engine starting performance. Even

in cold regions, you can depend on the FH series to deliver

smooth, consistent starting performance.

With Komatsu HST, reducing oil flow amount to the hydraulic

motor helps to decelerate the forklift truck. This feature

eases load on the brakes, thus, reliability of the brakes are

enhanced.

Less inching pedal use means reduced operator

fatigue

Travel speed can be controlled simply by the accelerator

pedal, reducing the need for frequent use of the inching

pedal; thereby the operator’s fatigue is significantly reduced.

No creeping

The FH series forklift trucks do not creep like conventional

torque converter trucks even if the operator releases the

brake pedal while the directional lever is in F or R position.

This feature contributes to reduced risks in confined areas

and when approaching to pick up a load.

* For safety operation, be sure to apply the parking brake when parking the

forklift truck.

FH40/45/50

-1

IESEL

ORKLIFT

RUCKS

DIESEL FORKLIFT TRUCKS

FH40/45/50

-1

KOMTRAX

KOMTRAX as equipment to obtain

machine operating information

KOMTRAX can provide various machine

information including location information,

operation information and fuel consumption

information to the customer. In addition, to offer

“Ease” and “Dependability” to the customer,

Komatsu supports our customers so that they can

use their Komatsu machines in best conditions at

all times by using KOMTRAX information and

through its services network.

QUIPMENT

STANDARD EQUIPMENT

●

EPA Tier4 Interim and EU stage 3A

compliant diesel engine

●

Heavy duty high pressure common rail

system

●

Air to air charge air cooling system

●

Sedimenter with priming pump

●

Cyclone air cleaner (double element)

●

Electronic engine control system

–Overheat prevention function

–Auto engine warm-up function

–Auto air preheat function

●

Auto engine shutdown function

●

Variable displacement pump with CLSS

(Closed-center Load Sensing System)

●

Electronically-controlled HST

(Hydro-Static Transmission)

●

Wet disc brake

●

Parking brake with release button

Mobile phone

network

Server

WA380

-6

●

Neutral start function

●

Speed limiter function

●

Operator presence sensing system

●

Key-off lift lock

●

Back-up buzzer

●

Operator's seat with suspension

●

Fully hydrostatic power steering

●

Tiltable steering column

●

Small diameter steering wheel with

spinner knob

●

Steering knob synchronizer function

●

Standard directional lever

●

Combination switch (turn signal lamp &

lamp switch)

●

Meter panel (safety checker)

●

Engine coolant temperature gauge

●

Fuel gauge

●

Hour meter (service meter)

●

Neutral pilot lamp

●

Preheating pilot lamp

●

Speed limiter pilot lamp

●

Parking brake pilot lamp

●

Paper binder at engine hood

●

Floor mat

●

Assist grip

●

Halogen headlamps & rear combination

lamps with bulbs

●

Sealed DT connectors

●

Flat face-to-face O-ring seals

●

Fuel cap with key

Tire:

●

Front single tire, pneumatic

●

Rear tire, pneumatic

Fork:

●

1070mm (standard for FH40,45-1)

●

1220mm (standard for FH50-1)

Customer

Internet

●

Overhead guard with front / rear conduits

●

Rear view mirror (center)

Assists Customer's Equipment

Management and Contributes to

Fuel Cost Cutting

GPS Satellite

OPTIONAL EQUIPMENT

Distributor

*KOMTRAX is using the mobile phone network. It may be able to be used at the place which an electric wave does not

reach, or the weak place of an electric wave.

Machine location information

Grasping machine location information allows machine

operation management.

Machine operation information

Grasping details of machine operation information on a daily

basis allows grasping running costs and taking measures to

reduce the costs.

●

Air cleaner with pre-cleaner, outside fitting

type

●

Spark-arrester

●

Upward exhaust pipe (left side)

●

Tilt cylinder boots

●

Power steering cylinder protector plate

●

Removable radiator screen & chassis

under carriage protection (screen)

●

Heater & defroster

●

Pressure reducing valve

●

Steel cab*

●

Steel cab with air conditioner*

●

Canvas cab

●

Front glass with wiper

●

Rear view mirror (pair)

●

Headlamps & rear combination lamps with

LED

●

Two front working lamps with LED,

overhead guard mounted

●

Two front working lamps with LED,

fender mounted

●

One rear working lamp with LED,

overhead guard mounted

●

Rotating lamp with LED (yellow),

overhead guard mounted

●

Speedometer with alarm

●

Load checker with over load alarm

●

Rear assist grip with horn button

●

Tool kit

Tire:

●

Front single tire, elastic cushion

●

Front double tire, pneumatic

●

Front double tire, elastic cushion

●

Front double tire (single size), pneumatic

●

Front double tire (single size), elastic

cushion

●

Rear tire, elastic cushion

Fork:

●

1070mm (option for FH50-1)

●

1220mm (option for FH40,45-1)

●

1370mm

●

1520mm

●

1670mm

●

1820mm

●

1970mm

●

2120mm

●

2200mm

* Order is possible from Spring of 2013.

Operation report

Monthly and annual operation records provided by

KOMTRAX are useful information for the customer.

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