D155 track roller bottom lower roller spare parts model D155-3 D155AX-3 no. bulldozer KM2265 KM2266 17A-30-00070 17A-30-00080
Top Roller :forging material(50MN) Cover material （QT450）Shaft （45#）
Degree of depth ：3mm（Shaft1.5-2mm）Hardness：HRC55-60
Roller body: Forging--Turning operation--Quenching--Fine Turing operation --pressure bushing--- welding slag shovel （clean up the body surface）
Shaft forging turning operation drill tapping tapping temper quenching mill right
End cover ：forging/casting/steel rod-rough and fine turning operation drill tapping
All parts ready to: assembly-Pressure Test Filling Oil Spray Paint Checking Storage
|Surface Hardness||HRC55-60 , Depth:4mm-10mm|
|Colors||Black or Yellow|
|Warranty Time||1440 Working Hours|
|FOB Price||FOB Xiamen US$ 25-100/Piece|
|Delivery Time||Within 30 days after contract established|
|Payment Term||T/T,L/C,WESTERN UNION|
Applicable Industries:Construction works
Place of Origin:Fujian, China
Brand Name: MZ
After-sales Service Provided:Video technical support, Online support Application:Crawler Excavator Name:Excavator
We have our own processing plant, forging plant and professional assembly line. From raw materials to forging, to product inspection, our factory is doing it, ensuring the best quality and quality, we are your best choice
Packaging & Shipping
Exhibitions over the years
Fujian Jinjia Machinery Co.,Ltd. is developing from Quanzhou Hongda Machinery Co.,Ltd. The company has dedicated to the manufacturing of crawler undercarriage parts since 1990, which has been more than 30years so far. Now we have established our own casting, forging and machining production centers.
JINJIA Machinery has always been insisting on the operation policy of “Customer first, Quality first” . Our mission is to make customer satisfaction. Just because of this, these years the company has obtained high reputations and solid foundation in the machinery industry. Today our production scales have been constantly expanding, with a wide range of product categories. Our products have been popular in domestic markets as well as the international markets such as Europe, America, South East of Asia, Middle East, etc. We have established good business relationships with famous companies around the world. Welcome to visit our factory for further more technological communications!
1.Can I visit your factory on-site?
Of course, no problem. Welcome to our factory for on-site inspection. We will warmly welcome guests from afar and hope to play a role in our long-term cooperation.
2.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.
If any problem about usage, I will solve at first time.