KR

Style KR Rod
Buffer Seals

Bronze Filled
PTFE Buffer
Rubber Expander

DYR

Style DYR Rod
Buffer Seals

Urethane U-Style Buffer Polyacetal Back-Up

RBS

Style RBS
Buffer Seals

Urethane

CTC

Caterpillar Specific
Buffers

Urethane or Bronze Filled PTFE Buffer Rubber Expander