Buyer guides & comparisons

Practical guides for procurement teams comparing OEM, aftermarket, and model compatibility. Not a substitute for OEM service bulletins; confirm critical fits with your workshop.

• OEM vs Aftermarket JCB Spare Parts — Buyer GuideWhen to choose genuine JCB-branded parts versus OEM-compatible aftermarket from a manufacturer-exporter like Rock Tearr Parts.
• JCB 3DX vs 4DX — Parts & Compatibility NotesHigh-level differences buyers should know when stocking hydraulics, axles, and engine peripherals across 3DX and 4DX fleets.