Wrist Pin for FMC Bean L09/M08 Series

This is a wrist pin (gudgeon pin) for FMC Bean L09/M08 series reciprocating pumps. It is the pivot pin connecting the connecting rod to the crosshead in the power end. It fits the BEAN 420, L09, L0918, L0918 HD, L0918BCD and M08 pump models and interchanges with FMC Bean part A5006. It weighs about 0.55 lb.
What it is
A wrist pin (gudgeon pin) is the pivot pin connecting the connecting rod to the crosshead.
Pump compatibility
- BEAN 420
- L09
- L0918
- L0918 HD
- L0918BCD
- M08
Specifications
| Property | Value |
|---|---|
| Weight | 0.55 lb (≈ 0.25 kg, converted) |
| Width | 1.00 in / 2.5 cm |
| Height | 1.00 in / 2.5 cm |
| Depth | 2.50 in / 6.4 cm |
Manufacturer technical notes
WRIST PIN FOR FMC BEAN L09/M08 SERIES (SKU A5006), forged from API 7K-certified 42CrMo4 alloy steel with quenching + tempering (HBW 260-300), nitrided surface hardness ≥0.3mm depth, compatible with FMC L09/M08 mud pump connecting rod small-end bearings, tensile strength ≥1080MPa, fatigue life ≥5×10⁶ cycles, API 7K compliant.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing FMC Bean A5006.
FAQ
- Which pumps does this wrist pin fit?
- It fits the BEAN 420, L09, L0918, L0918 HD, L0918BCD and M08 pump models.
- What is the interchange reference for this wrist pin?
- It is an aftermarket replacement that interchanges with FMC Bean part A5006; the brand and number are listed for identification only and do not imply original-manufacturer production.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
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