- Product Description
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Product Overview
This piston pin steel bushing (connecting rod small end bush) is exclusively for Dongfeng Cummins 6BT/6CT engines, installed inside small end bore of connecting rod, acting as wear-resistant bearing base for piston pin rotary movement. It is precision bored and honed from wear-resistant alloy seamless steel tube with high concentricity of inner & outer circle. Honed oil storage texture on inner wall retains lubricating oil continuously to reduce friction loss of piston pin. It separates connecting rod body and piston pin under reciprocating impact load of piston, prevent direct wear and scrapping of connecting rod small end. Outer diameter, inner diameter and length are precisely machined per Cummins OEM standard, cold press fitted during used loader engine overhaul, matched with piston, piston pin and piston ring as complete overhaul kit. Fit 5-ton used loaders with Cummins power for overhaul maintenance and complete machine export matching.
Core Product Parameters
Parameter Item Technical Index Product Name Piston Pin Steel Bushing / Connecting Rod Small End Bush Applicable Engines Dongfeng Cummins 6BT / 6CT Diesel Engines Matching Equipment XCMG/Lingong/Lovol Used 5Ton Loaders & Mining
Trucks With Cummins Engine
Base Material High Wear-resistant Alloy Seamless Steel Tube Inner Wall Process Precision Honing Mesh Oil Storage Texture Dimensional Tolerance ±0.005mm Inner & outer circle concentricity ≤0.003mm, OD tolerance ±0.005mm Surface Hardness HB260~300 High Wear Resistance Hardness Installation Cold Press Interference Fit Into Connecting Rod Small End Bore Operating Temp Range -40℃ ~ 320℃ Instant Piston High Temperature Rated Service Life 20,000 Working Hours Under Construction Site Condition Net Weight Per Piece 0.07kg Warranty Period 3 Months Working Environment Heavy-load Mine, High-temp Engine Compartment, Dusty Infrastructure Site, Sea Salt Fog Export Environment Core Product Features
- Honed Oil Storage Inner Wall: Mesh texture retains engine oil to form full oil film during piston pin rotation
- Alloy Wear-resistant Tube Body: Bear reciprocating impact load, isolate piston pin wear on connecting rod
- High-precision Outer Circle Fitting Surface: Interference cold press fit small end bore without looseness or relative sliding
- End Face Marking Code: Engraved part number for model identification, prevent wrong assembly of 6BT/6CT specifications
Core Product Advantages
- Inner/outer diameter, length and roundness fully match small end of 6BT/6CT connecting rod, no boring required during overhaul, direct cold press fitting with precise concentricity, prevent eccentric piston pin wear and abnormal noise, save used loader engine refurbishment labor hours.
- Integral seamless alloy steel tube with qualified surface hardness, hard to scuff or crack under long heavy-load mining & pushing reciprocating impact of used loaders. Service life extended by 50% compared with ordinary copper bushings, fit high-intensity overseas mining work.
- Cross honing mesh on inner wall stably retains lubricating oil to maintain complete oil film during high-speed piston pin reciprocation, completely eliminate common faults of old bushings on used loaders such as dry friction abnormal noise and piston pin scuffing.
- Precise interference tolerance of outer diameter ensures tight fit after cold press, no bushing rotation or falling off under long engine high temperature and vibration, eliminate serious faults of piston pin seizure and engine locking.
Cummins Engine Piston Pin Bushing
Subcategory
Keyword
Cummins Engine Piston Pin Bushing
Company introduction
Located in Shanzhuangwang Town, Qinyang City, Jiaozuo, Henan Province, our company is a comprehensive engineering machinery service provider in northern Henan, integrating the purchase and sale of second-hand wheel loaders, construction equipment rental, full-machine maintenance and repair, genuine parts supply, and foreign trade export. Officially established in March 2022 with a registered capital of RMB 2 million, our team has over a decade of deep experience in the engineering machinery market. We specialize in 30/50 series standard-boom and long-boom wheel loaders from leading brands such as XCMG, SDLG, LGMG, LOVOL, SHANTUI, and VOLVO, while also covering bulldozers and full-chain services for small construction equipment.
Customer Reviews
Refurbished Like New, Cost Like Used
Bulk Order Handled Professionally
After-Sales Support Across Time Zones
Great Value for Long-Reach Loaders
One-Stop Export Service Saved Us Time
Reliable Machines, Honest Dealer
FAQ
What brands of loaders do you supply for export?
We mainly export used wheel loaders of XCMG, Lonking, SDLG, Liugong, Shantui, Volvo, including 3ton and 5ton models with standard arm, extended arm and high-lift arm. Bulldozers are also available.
Are your machines well-tested before shipment?
Yes. Every unit will go through full inspection on engine, gearbox, hydraulic system, frame and electric circuit. We fix all potential faults, replace filters, oil and seals before export. All test videos and photos can be provided for your check.
Do you sell rolled-back hour meter or accident machines?
Never. We strictly refuse accident, water-damaged and over-repaired All working hours and damage records will be truthfully informed to clients.
Can I choose machines online without visiting your yard?
Absolutely. We support video call inspection, send detailed pictures, operation test video, chassis and engine close-up videos for your confirmation.
Will you refurbish machines for export? What’s included?
We offer standard export refurbishment: complete maintenance, oil & filter replacement, hydraulic system debugging, body cleaning, scratch touch-up painting, tire inspection and loose parts fastening.
Can I customize the refurbishment standard?
Yes. We support basic cleaning & maintenance, medium refurbishment and full cosmetic repaint according to clients’ budget and local market demand.
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Inquiry
If you are interested in our products, please leave your email, we will contact you as soon as possible, thank you!
Phone：+86 13523207997
Sales：+86 19937551127
Email：qyhengsheng@gmail.com
Add：Shanwangzhuang Town, Qinyang City, Jiaozuo City, Henan Province, China
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