Sprocket CAT 320 321 322 323 324 325 326 311 313 315 316 317 318 319 21T 16H 456mmID PN: 8E-9805

Big Power Parts supplies the Sprocket CAT 320 321 322 323 324 325 326 undercarriage component, engineered as a direct replacement for Caterpillar excavators in the 20-tonne class and beyond. This high-grade sprocket is built to withstand extreme digging, lifting, and travel loads, delivering reliable track engagement and reduced downtime on demanding job sites across Australia.

Our Melbourne warehouse keeps these sprockets in stock for fast daily dispatch, with express shipping Australia-wide. Whether you operate in mining, civil construction, or demolition, the Sprocket CAT 320 321 322 323 324 325 326 is a proven solution for restoring track performance.

Each sprocket is manufactured to exact OEM specifications, ensuring a precise fit and long service life. The 21-tooth design with 16 bolt holes and a 456mm inner diameter matches original Caterpillar dimensions, so installation is straightforward and downtime is minimal. We back every unit with a 1-year undercarriage parts warranty, and our local technical team in Melbourne provides free consultation to help you select the right component for your machine.

Below are the technical specifications and machine compatibility details for this sprocket:

Machine Compatibility List:

• CAT 311, 313, 315, 316, 317, 318, 319
• CAT 320, 321, 322, 323, 324, 325, 326
• 318E L, 316F L, 320C L, 322B L, 320-A L, 320-A S, 320D LN, 320-A N, 324D, 324E, 320E LRR, 320D3 GC, 315D L, 325F LCR, 320D2, 323F LN, 320D3, 319D, 322B LN, 318D2 L, 320C FM, 326D L, 319C, 324E L, 323F, 311C, 323D, 318F L, 320, 318B N, 322N, 320D L, 322-A LN, 326, 325, 323, 318C, 318F, 322 LN, 318B, 320D RR, 322B, 322C, 323D3, 320-A, 319D LN, 323D L, 322 L, 323D LN, 323D2, 324E LN, 326D2 L, 321C, 321B, 320E L, 320D2 GC, 318D2, 320N, 320D2 FM, 320B, 320C, 320D, 320E, 316F, 323GC, 320D GC, 326D2, 319D L, 323E L, 317, 323D2 L, 320D LRR, 315C, 321D LCR, 326F L, 320B FM LL, 320E LN, 323F OEM, 318D L, 320F L, 320B N, 320B L, 316E L, 313D2, 323E LN, 320B LU, 326GC, 322C FM, 320D FM, 320B LL, 326F, 320D2 L, 324D LN, 313D2 LGP, 322-A, 323F L, 320 L, 317 GC, 324D L, 322-A L, 322-A N, 320 GC, 326F LN, 320E RR, 320B U, 325F

Contact our undercarriage specialists for a free consultation. We dispatch daily from Melbourne with express shipping across Australia, so you can get your machine back to work fast.