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Hydraulic
Excavators
7-200 Edition 47
New Nomenclature for
Hydraulic Excavator Buckets
The diagram below illustrates how today’s nomen-
clature aligns with the new, followed by a brief description
of each category.
Custom
(ie: granite
applications)
HDR
HD
GP
Current
Nomenclature
XD
SD
HD
GD
New
Nomenclature
Description:
General Duty
●
Low impact
●
Lower abrasion
materials (ie: dirt,
loam, mixed
compositions
of dirt and fine
gravel)
●
Pin-on and
coupler
Heavy Duty
●
Wide range
of impact
●
Wide range
of abrasion
material
(ie: mixed dirt,
clay and rock)
●
Trenching
●
Variety of
applications
●
Pin-on and
coupler
Severe Duty
●
Higher abrasion
conditions
(ie: shot granite)
●
Wear bars,
wear plates are
substantially
thicker and
larger for added
protection
●
Pin-on and
coupler
Extreme Duty
●
High abrasion
conditions
(ie: granite
quarries with
high quartzite
content
●
Corner shrouds
have been
added and side
wear plates are
larger for added
protection against
abrasion and
gouging wear
●
Pin-on and
coupler