BK DRILLING
55000437b 550 004 37b 550-004-37b Cylinder, Hydraulic
Representative Photo
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Technical Drawing

Sandvik / Tamrock

550 004 37b Cylinder, Hydraulic

DD320-40

Available — Request Quote
Part Number550 004 37b
DescriptionCylinder, Hydraulic
BrandSandvik (Tamrock)
AssemblyRear module
TypeDrill Rig Spare Part

Quick answer

550 004 37b (also written 55000437b, 550-004-37b, or 550.004.37b) is a Sandvik cylinder, hydraulic spare part used in the Rear module assembly of the Sandvik DD320-40. Verified compatible with 8 Sandvik machine models including DD320-40, DD321-40, DD321-40C. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.

Part code alternate forms: 55000437b, 550 004 37b, 550-004-37b.

Compatible machines

8

OEM cross-reference

550 004 37b

About Sandvik 550 004 37b Cylinder, Hydraulic

This hydraulic cylinder is a core actuator component in the Sandvik DD320-40, operating within the Rear module. It converts hydraulic fluid pressure into linear mechanical force for positioning, clamping, or feed operations essential to the drilling process.

This is an OEM-compatible aftermarket replacement part for the Sandvik DD320-40 (DD320-40). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.

Frequently asked questions

When should a hydraulic cylinder be rebuilt or replaced?

Rebuild or replace when you observe fluid leakage past seals, reduced force output, sluggish or inconsistent movement, visible scoring on the cylinder rod, or when the machine cannot maintain required feed pressure during drilling.