Last Updated：2025/11/22
Under the Whyte notation system, an articulated locomotive with two leading wheels on a leading truck, two sets of six driving wheels, and six trailing wheels on a trailing truck. This arrangement was used only on the C&O which called it the Allegheny and the Virginian, which named it the Blue Ridge.
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2-6-6-6
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Source Word
2-6-6-6
Noun
Under
the
Whyte
notation
system,
an
articulated
locomotive
with
two
leading
wheels
on
a
leading
truck,
two
sets
of
six
driving
wheels,
and
six
trailing
wheels
on
a
trailing
truck.
This
arrangement
was
used
only
on
the
C&O
which
called
it
the
Allegheny
and
the
Virginian,
which
named
it
the
Blue
Ridge.
Japanese Meaning
ウィート記法における『2-6-6-6』は、先行トラックに2輪、運転輪に2組（各6輪）、後行トラックに6輪を有する連節式蒸気機関車の車輪配置を意味します。 / この配置は、C&O鉄道で採用され、同鉄道ではアレゲニーやブルーリッジといった名称が付けられていました。
Sense（1）
Under
the
Whyte
notation
system,
an
articulated
locomotive
with
two
leading
wheels
on
a
leading
truck,
two
sets
of
six
driving
wheels,
and
six
trailing
wheels
on
a
trailing
truck.
This
arrangement
was
used
only
on
the
C&O
which
called
it
the
Allegheny
and
the
Virginian,
which
named
it
the
Blue
Ridge.
（ plural ）
