Wheel Nomenclature

Wheel Nomenclature

MACHINED EXTREME SERVICE (MES)

Interchangeable with industry standard products

DOUBLE GUTTER SERVICE (DGS)

uses TSR Componentry & Two-Piece Lock Ring Design

Recommended Inspection Interval Guidelines

Haul Trucks

New Rims: (e.g. KOM 730E) 15 000 hrs

Wheels: (e.g. CAT 789) 15 000 hrs

5000 hour interval there after

Wheel Loaders

Wheels: (e.g. CAT 994) 10 000 hrs

5000 hour interval there after

Single Piece Lock Ring Safety

20” – 63” [EM, EMH, HDT, TSR, MS/T]

CORRECT OVERLAP

2” overlap

STRETCHED

minimal overlap or ends touching

SCRAP

no overlap–ends NOT touching

20” – 49” [EV/T]

CORRECT OVERLAP

2” overlap

STRETCHED

minimal overlap or ends touching

SCRAP

no overlap–ends NOT touching

Industry Standard Lock Rings

LOCK RING PROFILES

TSR & EMH Lock Rings

Not interchangeable with industry standard products

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