R250 R250LC-7-9 Excavator Bucket Arm Boom hydraulic Cylinder 31Q7-50130 31N7-50110 31N7-50120 31EN-50131 31Q7-60110

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Excavator arm cylinder /. boom cylinder / bucket cylinder , Rod , Tube , Gland, Piston

1.How can I be sure the part will fit my excavator ? Give us correct model number /machine serial number /any numbers on the parts itself .Or measure the parts give us dimension or drawing. 2. What material do you use on hydraulic cylinder? High frequency quenching No.40 manganese steel as rod material, so the cylinder rod has better bending resistance; No.25 manganese steel as tube material ,so the tube has better wear resistance; high-strength hardened steel as rod head and tube head ,so the cylinder head and rod head more durable; name-brand seal kits to reduce the hydraulic cylinder oil leakage rate. 3.How long can an order delivery? For some often used models of excavator hydraulic cylinder , we have in stock, within 7 days . For any order less than one container takes about 2 weeks to finish; Order of 1-2 container takes 4 -6weeks; At busy manufacturing season, manufacturing time needs more which can confirm by discussion. 4.How to pay? Order less than 3000USD, full payment at order, Order over USD3000 value ,50% deposited in to start, 50% balance paid to deliver. Inspection service accepted. For customized order, 70%payment as deposit ,30% balance paid to deliver 5.How to delivery? If you have shipping agent ,we will cooperate with your agent to arrange shipment . If not , we have good relationships with shipping companies, express suppliers. For light goods ,by UPS/DHL/TNT(DAP terms) , For heavy goods ,by sea (FOB,CIF,CFR)