The Komatsu Carrier Assembly (Part No. 113-15-42321) is a high-quality, genuine OEM component essential for the transmission system in various Komatsu heavy machinery models. This carrier is specifically engineered for the forward and 3rd housing section, ensuring smooth gear operations, durability, and optimal power transfer in demanding construction and earthmoving environments.
Key Features:
- Robust Construction: Built to Komatsu’s stringent standards for longevity and resistance to wear in high-stress applications.
- Weight: Approximately 5.6 kg, making it lightweight yet sturdy for easy installation.
- Cross-Reference: Also known under part number 1131542321 for broader compatibility searches.
Compatibility: This carrier assembly is compatible with a wide range of Komatsu bulldozers and crawler loaders, including:
- D31A-20 (S/N 42001-UP)
- D31AM-20 (S/N 42001-UP)
- D31E-20 (S/N 42001-UP, including China and Trimming Dozer variants)
- D31P-20 (S/N 45001-UP, including Straight Tilt and Power Angle Tilt variants)
- D31PG-20A (S/N 45001-UP)
- D31PL-20 (S/N 45001-UP)
- D31PLL-20 (S/N 45001-UP)
- D31Q-20 (S/N 41001-UP)
- D31S-20 (S/N 41001-UP)
- D31SM-20 (S/N 41001-UP)
- D37E-5 (S/N 3001-UP)
- D37P-5A (S/N 3001-UP)
- D37PG-5A (S/N 3001-UP)
Always verify compatibility with your machine’s serial number through a Komatsu dealer to ensure a perfect fit.
Ideal for maintenance professionals and equipment operators seeking trustworthy parts to minimize downtime and maximize productivity.
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