Weifang 495 - Page 2

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Foreword

Model

495

diesel

is a

high

speed

engine

of

four-stroke,verti-

cal,

four

-

cylinder,

water

-

coolea,

swirl

combustion

chamber

type.

It

is

one

of

the

Chinese

designed

95

series

products.

It

pos-

sesses

the

advancec;llevel

of

its

dynamic

characteristic

and

fuel

eco-

nomics

,and

has

thd

proven

features

of

simple

construction,

relia-

bility,

versatility

to

the

maliti

-purpose

applications

and

higher

de-

gree

of.

standardization,

seriation

and

inter

-

changeability.

95

se-

ries

diesel

e~gine

was

prized

by

the

National

Science

Congress

in

1987.

In

recent

years

,

with

the

hell)

of

the

technology introducetl

from

Ricardo

Consulting

Engineers

pIc'

of

Great

Britain

and

the

ad-

vanced design'

features

of

R series,

the

design

of

Model 495 is modified

so

as

to

improve

its

dynamic

characteristic,

economic index and

it~

reli-

ability.

According

to

the

requirements

of

the

driven

equipments

,vari-

ous

versions

of

Model

495

diesel

engine

can

be

developed

by

modi-

fying

some

parts

and

components

relevantly

so

as

to

satisfy

the

different

applications,

such

as

tractors,

trucks,

construction

~a

chineries,

agricultural

drainage

and

irrigation

pumps,

agricultural

sideproducts

proce~sing

machineries,

marine

propulsion,

generator

set~

,well

drill~ng

machineries

and

so

on,

The

following

models

of

the

engine

are

av&ilable:

1.

Model

495 -

The

basic

version.

(,Its)

rated

power

is

taken

off

at

the

flywheel

end,

It

can

be

used

readily

as

a

prime

mover

'of

the

land

machinery.

2.

Model

495T-The

version

used

for

tractor.

Provided

with

a

fla.nged

cast

iron

oil

sump

and

a

connecting

plate

,it

is

used

to

pow-

er

wheel

tractor

of

model

50.

1

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