Notes:
Due to design variations and product updates, the specifications listed are for reference purposes only. For real-time technical data and confirmed fitment, please contact our technical support team with your bucket model or existing part numbers.
Technical Specifications:
- Compatible Brand: Caterpillar (CAT)
- Series: J-Series (Side Pin)
- Size Class: J550
- Compatible Models: E336, E340, E345, E345B, E345D, E349, E349D, E349E
- Material Grade: High-spec 40Cr Alloy Steel (Casting)
- Internal Pocket Dimensions: Width 120mm x Height 110mm
Comparison Table: J550 Tooth Variants
| Tooth Type | Ref. Part No. | Length | Weight | Best Use Case |
|---|---|---|---|---|
| Rock Penetrator | 9W8552RC | 38.5 cm | 17.2 kg | Abrasive Rock / Hard Pan |
| Heavy Duty Rock | 9W3552RC (HD) | 40.0 cm | 20.0 kg | Heavy Mining / Granite |
| Tiger (Ice Breaker) | 9W3552 | 43.5 cm | 15.2 kg | Frost / Shale / Penetration |
| Tiger Long (HD) | 9W3552TL | 48.5 cm | 17.0 kg | Frozen Ground / Compacted Soil |
Operational Recommendations:
For maximum efficiency, we recommend using the RC (Rock Penetrator) profile for general abrasive rock conditions. If you are working in frozen ground or high-impact shale, the Tiger (Ice Breaker) profile provides the best PSI at the tip to break through surface layers.
Hardware & Accessories:
- Adapter: J550 Cast Adapter (Compatible with 15.8cm base)
- Pin Dimensions: Diameter 2.6cm x Length 16.2cm
- Retainer: Heavy Duty Rubber-Cored Steel Retainer










