Bulldozer Hydraulic Pump 139-4151 For Cat D8R Hydraulic Piston Pump

Bulldozer Hydraulic Pump 139-4151 For Cat D8R Hydraulic Piston Pump

Product Description

List Of Spare Parts

They can be found on most 20-ton excavators DAEWOO, DOOSAN, HYUNDAI, VOLVO, SAMSUNG, Kobelco, Kato, etc.

Product Display

FAQ

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)

Company Information

GuangZhou GuoLi Engineering Machinery Co., Ltd. specializes in excavator hydraulic cylinders, including arm, boom, and bucket cylinders, as well as cylinder tubes, rods, seal kits, engine parts, pumps and undercarriage components. Based in Guangzhou with access to a major construction machinery parts market, we offer a complete part number system, detailed specifications, and strong foreign trade expertise. We strive for professionalism and win-win cooperation.

Factory Tour

Piston Rod Production Process

Automatic Welding Process

Finished Product Warehouse Display

Exhibition Showcase

Our Presence at Major Exhibitions: 2023 Malaysia & 2024 Shanghai Bauma

Exhibition With Cooperated Clients

Certificates

Certification

Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, and cylinder rods. With 10+ years expertise, we've established a complete production line from R&D to manufacturing, offering OEM customization and precise part number systems with technical specifications/photos/pricing. We pride ourselves on using premium materials such as high-strength steel and advanced processing technologies to ensure durability and performance.

In addition to hydraulic cylinders, we also provide a comprehensive range of other hydraulic components. This includes hydraulic pumps, swing motor, control valve,travel motors,engine parts,and undercarriage components, all designed for use in various excavator models. Our extensive product portfolio reflects our commitment to delivering complete solutions for construction machinery, ensuring that all critical components are available to meet the needs of our customers.

We serve a global customer base, including clients from Thailand, the Philippines, Indonesia, Malaysia, the United States, Turkey, Russia, Mexico, and many other countries. Our products have been recognized and recommended by local dealers and are highly regarded for their quality and reliability. With our competitive prices, timely delivery, and outstanding customer service, we are committed to providing the best solutions for each client. We warmly welcome inquiries from businesses worldwide and look forward to establishing long-lasting partnerships.