Page 11 - Technical Guide

P roSteering®

Identifying
TRW
HF
type
gears

The
TRW
HF
type
gear
part
number
is
hand
stamped
on
the

gear
housing
in
the
areas
shown
on
the
image
at
the
right.

When
the
stenciled
gear
part
number
is
unreadable
locate
the

casting
housing
number
on
the
cast
iron
gear
housing.

This

number
begins
with
the
product
family
ID
(i.e.,
HF64)

followed
by
four
digits.

The
first
of
these
four
digits
is
always

a
‘2’.

EX:

HF642989

The
HF
type
gear
completed
its
production
life
around
1986;
therefore,
application,

interchange,
and
cross
reference
information
is
limited.

To
ensure
we
supply
our

customer
with
the
exact
gear
part
number
it
is
important
with
this
product
family
to

also
collect
information
about
the
input
shaft
configuration,
relief
valve
option,
#
of

lines,
port
locations,
and
the
number
of
frame
pad
mounts.

Identifying
TRW
HFB
type
gears

On
the
TRW
HFB
type
gear
the
gear
part
number
is
hand

stamped
on
either
the
valve
housing
or
gear
housing
in
the

areas
shown
on
the
image
at
the
right.

When
the
stenciled
gear
part
number
is
unreadable
locate
the

casting
housing
number
on
the
cast
iron
gear
housing.

This

number
begins
with
the
product
family
ID
(i.e.,
HFB64)

followed
by
four
digits.

The
first
of
these
four
digits
is
always

a
‘2’.

EX:

HFB64299

The
HFB
type
gear
completed
its
production
life
around
1986;
therefore,
application,

interchange,
and
cross
reference
information
is
limited.

To
ensure
we
supply
our

customer
with
the
exact
gear
part
number
it
is
important
with
this
product
family
to

also
collect
information
about
the
input
shaft
configuration,
relief
valve
option,
#
of

lines,
port
locations,
and
the
number
of
frame
pad
mounts.

150416_TECHNICAL
GUIDE
11