Milton CAT 374D L - Manual (Page 10)

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Buckets and Teeth
Designed and built for total system performance
Optimized Package
Caterpillar offers a wide range of buckets, each designed and field tested to function as an integral part
of your excavator. All Cat Buckets feature K Series™ GET (Ground Engaging Tools). Buckets are
available in four levels of durability and are built to take full advantage of the machine’s power.
General Duty (GD)
General Duty buckets are designed for use in low impact, lower abrasion materials such as dirt, loam
and mixed compositions of dirt and fine gravel.
Heavy Duty (HD)
Heavy Duty buckets are the most popular and a good “centerline” choice. This bucket style is a good
starting point when application conditions are not known. Heavy Duty buckets are designed for a wide
range of impact and abrasion conditions including mixed dirt, clay and rock.
Severe Duty (SD)
Severe Duty buckets are designed for higher abrasion conditions such as shot granite. When compared
to the Heavy Duty bucket, wear bars and wear plates are substantially thicker and larger for added
protection.
Extreme Duty (XD)
Extreme Duty buckets are designed for very high abrasion conditions such as granite quarries.
Corner shrouds have been added and side wear plates are larger for added protection.
1) Severe Duty 2) Heavy Duty 3) General Duty 4) Extreme Duty