The backhoe loader boom cylinder lug is a custom casting produced by Ruican for construction and engineering machinery OEMs. Made from Alloy Steel 42CrMo through closed die forging, it balances strength, weight and cost across demanding excavators, loaders, bulldozers and cranes duty cycles. In-house machining, drilling and coating turn each raw casting into a finished part, backed by IATF 16949 and ISO 9001 quality systems and furnace-number traceability on every shipment.
Specifications
| Parameter | Value |
|---|---|
| Material | Alloy Steel 42CrMo (heat treated) |
| Casting Process | Closed Die Forging |
| Weight Range | 1 – 60 kg |
| Dimension Tolerance | DIN 7526 F |
| Surface Treatment | Shot blasting + quench-temper |
Key features
- As-cast tolerance DIN 7526 F with CNC machining to drawing tolerances
- Alloy Steel 42CrMo melt with furnace-number traceability for every batch
- Surface finished by shot blasting + quench-temper
- One-stop service: casting, machining, drilling, tapping and coating
- Low-to-mid volume OEM/ODM production with stable lead times
Applications
- Bucket and ground-engaging tools
- Hydraulic valve and cylinder interfaces
- Chassis and cab mounting structures
- Excavator boom and arm assemblies
- Travel and swing drive systems
Quality & compliance
Castings are produced to ISO 9001 with EN 1563 / EN 1561 compliance. Heavy sections are verified by ultrasonic or magnetic-particle inspection, and load-critical parts are heat treated and hardness tested per batch.
FAQ
What is the MOQ for backhoe loader boom cylinder lug?
MOQ starts from 50-100 pcs depending on size and process. Sample batches and prototype castings are welcome for validation.
What tolerances can you hold on the backhoe loader boom cylinder lug?
As-cast tolerance follows ISO 8062; critical faces are CNC machined to drawing tolerance, typically IT7-IT9.
Can you provide material certificates?
Yes. Each batch ships with EN 10204 3.1 material certificates and full heat-number traceability.
Need a quote for backhoe loader boom cylinder lug? Send your drawing to sales@cnsandcasting.com or WhatsApp +86 137 7712 4360 for a fast RFQ response from Ningbo Ruican.














