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- Sun Dec 21, 2025 8:13 pm
- Forum: Early model JD crawler technical support
- Topic: 40 series track and sprocket
- Replies: 0
- Views: 252
40 series track and sprocket
Looking at track components between 3-roller and 5-roller undercarriage setups on JD 40 series machines. I’ve located a usable track assembly from a 5-roller system and am checking whether it aligns with a 3-roller configuration.