Which pumps does this crosshead assembly fit?

It is configured for the FMC Bean L11/W11 series, covering BEAN 420, L11, L1114SC, L1118SC, L1122D, R660, W11 and W1122BCD.

What FMC Bean part number does this replace?

It is an aftermarket replacement for FMC Bean part 1252939. The brand and part number are listed for identification and cross-reference only and do not indicate OEM manufacture.

Crosshead Assembly for FMC Bean L11/W11 Series

Crosshead Assembly for FMC Bean L11/W11 Series — Crosshead aftermarket replacement part

This Crosshead Assembly is a power-end component for the FMC Bean L11/W11 series. The crosshead guides the reciprocating motion in a straight line between the connecting rod and the piston rod, keeping each stroke aligned. It is sized to fit a range of L11 and W11 models and weighs about 4.66 lb.

What it is

A crosshead guides the reciprocating motion in a straight line between the connecting rod and the piston or plunger rod.

Pump compatibility

BEAN 420
L11
L1114SC
L1118SC
L1122D
R660
W11
W1122BCD

Specifications

Property	Value
Weight	4.66 lb (≈ 2.11 kg, converted)
Width	8.0 cm
Height	8.0 cm
Depth	26.7 cm

Manufacturer technical notes

Crosshead Assembly for FMC Bean L11/W11 Series (SKU:1252939) Forged from ASTM A216 WCB steel with tin-based Babbitt B83 ASTM B23 alloy overlay (compliant with L1122 470/W1122 435 pump models), quenched & tempered (HRC28-32) for fatigue resistance, salt spray tested 500h corrosion-free, API 7K-certified for zero-offset transmission under high-pressure drilling.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean 1252939.

FAQ

Which pumps does this crosshead assembly fit?: It is configured for the FMC Bean L11/W11 series, covering BEAN 420, L11, L1114SC, L1118SC, L1122D, R660, W11 and W1122BCD.
What is the function of the crosshead?: It is a power-end part that guides the reciprocating motion in a straight line between the connecting rod and the piston rod.
What FMC Bean part number does this replace?: It is an aftermarket replacement for FMC Bean part 1252939. The brand and part number are listed for identification and cross-reference only and do not indicate OEM manufacture.

Related parts

See all Crosshead →

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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