
Idler For CATERPILLAR E320
Material:ZG50MN
Guarantee time:6months
Color:Yellow or customerized
Product Introduction
Production introduction
Working Principle and Working Principle of Idler
Grease is injected into the oil cylinder through the grease nozzle with a grease gun, so that the piston extends outward to push the tension spring, and the guide wheel moves left to tighten the caterpillar. The tightening spring has an appropriate travel. When the tension force is too large, the spring is compressed to act as a buffer; when the tension force is too large disappears, the compressed spring pushes the guide wheel in place, so that the compressed spring pushes the guide wheel in place. It can ensure the sliding along the crawler frame to change the wheelbase, ensure the disassembly and assembly of the crawler, reduce the impact of the walking process, and avoid derailment of the track chain.

Product details
Model no.: E320
Part name: Shovelfront idler assy
Material: Steel 50Mn
Finishing: Smooth
Technique: Forging or casting
Standard: ISO
Place of origin: Fujian,China
Brand name: SQ or GTR
Color: Black,yellow or gray
Surface hardness: HRC-52-HRC58
Heat treatment depth: 8-12mm
Moving type: Crawler-tracked excavator
Delivery time: 30-45 days after receiving the advance payment or receiving LC
Packing: Standard seaworthy wooden pallet
Trade term: FOB ,CNF,CIF
Payment: TT ,LC at sight
Main Features
1) Good metal fibrous tissue and special heat treatment brings them longer life.
2) Resist abrasion and impact well; Prevent fragmentation well.
3) Using low and high-double seal makes it life lubrication
4) High flexibility and hydrocarbon-type regulator which is avaiable for mine working condition.

Our idler is applicable to below models:
| HITACH | |||||||
| UH045 | UH052 | UH053 | UH063 | UH07-5 | UH09-7 | UH04-7 | UH083 |
| EX20UR-1/2 | EX30 | EX40-1 | EX40-2 | EX45-1 | EX50UR | EX55 | EX60 |
| EX60-2 | EX60-3 | EX60-5 | EX70 | EX75 | EX90 | EX100 | EX100M |
| EX110 | EX120-1 | EX120-2 | EX120-3 | EX120-5 | EX130-1 | EX150 | EX270 |
| EX300 | EX300-1 | EX300-2 | EX300-3 | EX300-5 | EX300A | EX320/321 | EX330 |
| EX350 | EX370 | EX400-1 | EX400-2 | EX400-3 | EX450 | EX400-5 | EX550 |
| EX700 | EX750-5 | EX1100 | |||||
| ZAX30 | ZAX50 | ZAX55 | ZAX110 | ZAX120 | ZAX200 | ZAX200-1 | ZAX200-2 |
| ZAX200-3 | ZAX200-5G | ZAX200LC-3 | ZAX210 | EX210-3 | ZAX210-5 | ZAX225 | ZAX230 |
| ZAX240 | ZAX250 | ZAX270 | ZAX330 | ZAX330C | ZAX350 | ZAX360 | ZAX450-1 |
| ZAX450-3 | ZAX450-5 | ||||||
| FH220-3 | FH330 | ||||||
| KOMATSU | |||||||
| PC20-7 | PC20 | PC30-3 | PC30-5 | PC30-6 | PC40-5 | PC40-6 | PC40-7 |
| PC45 | PC45-2 | PC50 | PC55 | PC60-1 | PC60-3 | PC60-5/6 | PC60-7 |
| PC75 | PC80 | PC100-5 | PC120-2 | PC120-6 | PC130 | PC130-7 | PC200 |
| PC200-1 | PC200-2 | PC200-3 | PC200-5/6 | PC200-7 | PC200-8 | PC210-6 | PC220-1 |
| PC220-3 | PC220-6 | PC220-7 | PC220-8 | PC240-3 | PC270-7 | PC202B | PC220LC-6 |
| PC220LC-8 | PC240 | PC300 | PC300-3 | PC300-5/6 | PC300-7 | PC300-7K | PC300LC-7 |
| PC350-6/7 | PC400 | PC400-3 | PC5400-5 | PC400-6 | PC400LC-7 | PC450-6 | PC450-7 |
| PC600 | PC650 | PC750 | PC800 | PC1000-1 | PC1100 | PC1250 | PC2000 |
| CATERPILLAR | |||||||
| E70B | E307/308 | E120B | E140 | E180 | E200B | E200-5 | E215 |
| E215BLC | E240 | E120-1 | E225 | E225D | E225DLC | E235 | E235DLC |
| E70B | E240B | E245 | E300 | E300B | E300L | E300D | E311 |
| E312B | E313SR | E315 | E320S | E320 | E320BL | E320L | E320C |
| E320D | E320DL | E322C | E322B | E324 | E324D | E324DL | E325 |
| E325L | E325LN | E330 | E330LN | E330C | E329DL | E345 | E350 |
| E450 | E973 | ||||||
| SUMITOMO | |||||||
| LX02/03 | LX08 | SH60 | SH75-3 | SH100 | SH120 | SH120-3 | SH200 |
| SH210-5 | SH220 | SH220-3 | SH220-5/7 | SH250 | SH260 | SH280 | SH290-3 |
| SH290-7 | SH300 | SH300-3 | SH300-5 | SH340 | SH350-5/7 | SH430 | SH450 |
| SH580 | |||||||
| LS200 | LS280 | LS1200 | LS1600 | LS2035 | LS2050 | LS2650 | LS2800 |
| LS2800FJ2 | LS3400EJ | LS4300FJ2 | LS5800C2 | SC800 | SC1000 | ||
| KOBELCO | |||||||
| K903 | K904B | K904C | K907B | K907C | K907D | SK07 | SK027 |
| SK04N2 | SK07N2 | SK09N2 | |||||
| SK30-6 | SK60 | SK100 | SK120-5 | SK120-6 | SK120LC | SK200 | SK200-3 |
| SK200-5 | SK200-6 | SK200-8 | SK210-8 | K210LC-8 | SK220 | SK220-1 | SK220-3 |
| SK220-5/6 | SK230 | SK235SR | SK250 | SK250-8 | SK260LC-8 | SK300 | SK300-2 |
| SK300-4 | SK310 | SK320 | SK330 | SK330-6 | SK330-8 | SK350LC-8 | SK400 |
| SK450 | SK480 | ||||||
| VOLVO | |||||||
| EC55 | EC140 | EC140B | EC160B | EC160C | EC160D | EC180B | EC180C |
| EC180D | EC210-7 | EC210 | EC210B | EC240 | EC240B | EC290 | EC290B |
| EC360 | EC360B | EC380D | EC460 | EC460B | EC460C | EC700 | |
| DAEWOO | |||||||
| DH55 | DH80 | DH130 | DH200 | DH220 | DH220-3/5 | DH220S | DH220LC |
| DH225 | DH258 | DH280-2 | DH280-3 | DH320 | DH330 | DH360 | DH370 |
| DH450 | DH500 | ||||||
| DOOSAN | |||||||
| DX225 | DX225LCA | DX258 | DX300LCA | DX420 | DX430 | ||
| HYUNDAI | |||||||
| R60 | R60-5 | R60-7 | R80-7 | R130 | R200 | R200-3 | R210 |
| R210-9 | R210LC | R210LC-7 | R220 | R225 | R225-3 | R225-7 | R250 |
| R250-7 | R290 | R290LC | R290LC-7 | R300 | R305 | R320 | R360 |
| R914B | R954 | ||||||
| KATO | |||||||
| HD250 | HD400-2 | HD400-5 | HD400SE | HD450 | HD512 | HD512III | HD550SE |
| HD700 | HD700VII | HD820 | HD820III | HD820R | HD880-1 | HD1250VII | HD1430 |
| HD1430III | HD1880 | HD250SE | |||||
| MITSUBISHI | |||||||
| MS40 | MS70-8 | MS110-8 | MS120 | MS140 | MS180-3 | MS240 | MS300-8 |
Our services
We are a professional manufacturer that is specialized in producing front idler for Excavator, Bulldozer and other construction machines.
To ensure product quality, we are strict in quality control, from raw material, design, technology, manufacturing for the entire process of detection.

FAQ
1. What is the delivery time?
For the excavator parts,normally we can offer within 30days.but if for bulldozer parts,normally 45days.
If we have them in stock, we can ship them out with 7days.
2. What is the warranty of your parts?
For normal usage,6 month or 2000 house guarantee for excavator rollers and links.
3. What is your payment terms?
You can choose TT,LC,DP,DA,WESTERM UNIO
4. What are the packages of your products?
We can offer fumigated wooden pallets/boxes,polywoode pallets/boxes.
5. Where is your sea port?
Our nearest seaport is XIAMEN PORT,China.
6. Where is your factory and how can I come?
Our factory is located in Quanzhou city, Fujian province,China.There are Xiamen airn port and quanzhou jinjiang air port available.
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