Coil spring for Caterpillar E307 excavator

Coil spring for Caterpillar E307 excavator
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Coil spring for Caterpillar E307 excavator - Machineryline
Coil spring for Caterpillar E307 excavator | Image 1 - Machineryline
Coil spring for Caterpillar E307 excavator | Image 2 - Machineryline
Coil spring for Caterpillar E307 excavator | Image 3 - Machineryline
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Brand: Caterpillar
Type: coil spring
Spare part type: original spare part
Year of manufacture: 2026
Location: China 唐山市10907 km to "United States/Columbus"
Placed on: Sep 7, 2026
Machineryline ID: KJ52304
Condition
Condition: used

More details — Coil spring for Caterpillar E307 excavator

The CAT E307 track adjuster assembly (also known as the track tension‑recoil assembly) is a critical undercarriage spare part for mini excavators. It fits CAT E307, 307B, 307C, 307D, 307E and 308‑series models. The pre‑assembled unit includes a grease‑fed tension cylinder, recoil buffer spring, piston rod, full sealing kit, spring seat and grease nipple for direct OEM replacement.

It adjusts track tension via grease injection. The heavy‑duty spring absorbs impact from bumpy ground and steep slopes, locks the idler in place and maintains proper track tightness to protect the whole travel system.
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