
Product Introduction
Production introduction
The mini excavator front idler is used to guide the track to rotate correctly to prevent track deviation and detailment.Most of min idlers also act as track rollers.this can increase the contact area between the track and the ground and reduce the grounding pressure.The surface of idler is made into a smooth surface and the middle arm ring acts as the guide.and the the torus on both sides support the track link.The smaller the distance between the idler and the nearest mini track roller,the better guidance.
Quick detail:
Origin: | Fujian,China | Brand | SQ, GTR |
Model: | EX40 | Hardness of trail surface | HRC52-58 |
Color | Yellow, black, gray | Roller body material | 50MN |
Delivery time | 20-45days | Warranty time | 6 months |
Term | FOB,CNF,CIF | Machine type | Crawler tracked excavator |
Stucture


Advantages
1. The idler body is a casting part, and the idler body has durability and rust resistance after special heat treatment.
2. Good sealing guarantees the serveise life of the idler.
3. The idler section shows the hardness of the Idler body diameter, and the design of the idler shaft and the outer diameter gap is reasonable, which increase the wear life.
4. The cross section shows the hardness and lubrication clearance of the lead shaft.
5. Leading shaft, copper bushing and sealing parts, all parts are passed through the fully automatic production system, and the presion is controlled by the numerical control computer to ensure the reliability.
Our mini excavator idler rollers are applicable to below models:
| Popular items blow for reference: | ||||
| Brand | Model | |||
| KOMATSU-PC | PC18-2 | PC20-5/7 | PC30-5/6/7/8 | PC40-5/6/7 |
| PC50/PC55 | PC60-5/6/7 | PC100-5/6/7 | PC120-5-6-7 | |
| PC200-3/5/6/7/8 | PC220-3/5/6/7/8 | PC200LC-3/5/6/7/8 | PC220-3/5/6/7/8 | |
| PC300-5-6-7 | PC300LC-/5-6-7 | PC350-5/6/7 | PC350LC-5/6/7 | |
| PC360-5/6/7 | PC360LC-5/6/7 | PC400-1/3/5/6/7 | PC400LC-1/3/5/6/7 | |
| PC450-5/6/7 | PC450LC-5/6/7 | PC600 | PC800 | |
| HITACHI-EX | EX30 | EX40 | EX55 | EX60-2/3/5 |
| EX70 | EX100-1/3/5/ | EX120-1/3/5 | EX150 | |
| EX200-1/2/3/5 | EX200LC-1/2/3/5 | EX220-1/2/3/5 | EX220LC-1/2/3/5 | |
| EX270-1/2/5 | EX270LC-1/2/5 | EX300-1/2/3/5 | EX300LC-1/2/3/5 | |
| EX330 | EX330LC | EX400-1/2/3/5 | EX400LC-1/2/3/5 | |
| EX450-1/2/3/5 | EX450LC-1/2/3/5 | UH07-7 | UH081 | |
| UH083 | UH045 | UH025 | ||
| ZAXIS-ZAX-ZX | ZAX55 | ZAX70 | ZAX120 | ZAX200 |
| ZAX210 | ZAX230 | ZAX240 | ZAX330 | |
| ZAX450 | ||||
| CATERPILLAR-CAT-E-B-C/D | E38 | CAT55 (E55) | E70B | E120B |
| E303.5 | E305.5 | E305 | CAT311 | |
| CAT312 (E312) | CAT320 (E320) | E200B | CAT325 (E325) | |
| CAT330 (E330) | CAT345 (E345) | CAT320B | CAT320C | |
| CAT320D | CAT320BL | CAT330B | CAT330C | |
| CAT330BL | CAT330D | CAT325B | CAT325BL | |
| CAT345 | ||||
| VOLVO-EC | EC14 | EC20 | VOLVO55 (EC55) | VOLVO140 (EC140) |
| VOLVO210 (EC210) | VOLVO240 (EC240) | VOLVO290 (EC290) | VOLVO360 (EC360) | |
| VOLVO460 (EC460) | ||||
| DAEWOO-DH | DH55 | DH80 | DH130 | DH150 |
| DOOSAN-DX | DH220 | DH258 | DH280 | DH300 |
| DH320 | DH360 | DH370 | DH400 | |
| DH420 | DH500 | |||
| DX300 | DX370 | DX380 | ||
| KOBELCO-SK | SK035 | SK035SR | SK30 | SK35 |
| SK45 | SK50-1 | SK50-6 | SK55 | |
| SK60-3 | SK60-1/2/5 | SK60-8 | SK100 | |
| SK120 | SK130-8 | SK200-3/5/8 | SK210 | |
| SK230 | SK250 | SK300 | SK320 | |
| SK330 | SK350 | SK07N2 | ||
| SUMITOMO-SH-LS | SH35 | SH55 | SH60 | SH65 |
| SH75 | SH100 | SH120 | SH120A3 | |
| SH200 | SH220 | SH265 | SH280 | |
| SH300 | SH320 | SH340 | SH350 | |
| SH430 | LS2800 | |||
| KATO-HD | HD250 | HD400 | HD450 | HD700 |
| HD770 | HD820 | HD1023 | HD1250 | |
| HD1430 | HD1880 | |||
| HYUNDAI-R | R55 | R60-5/7/8 | R80 | R130 |
| R150LC-7 | R200 | R210-3 | R220-5 | |
| R225-7 | R275 | R290 | R300 | |
| R210LC-7 | R220LC-9S | R330LC-9S | R520 | |
| R320 | R305 | R360 | R450 | |
| LIEBHERR-R | R914 | R924 | R934C | R944C |
| CASE-CX | CX35 | CX45 | CX55 | CX240 |
| Kubota-KX | KX35 | KX50 | KX55 | KX80 |
| KX185 | KX91-3 | KX161-3 | KX41-2 | |
| SUNWARD-SWE | SWE35 | SWE40 | SWE50 | SWE55 |
| SWE60 | SWE70 | SWE85 | SWE330 | |
| IHISCE-IHI | IHI30 | IHI35 | IHI80 | IHI85 |
| IHI40 | IHI50 | |||
| TAKEUCHI-TB | TB150 | TB175 | ||
| FUTON LOVOL-FR | FR65 | FR85 | ||
| Bobcat | Bobcat 311 | Bobcat 337 | ||
| JCB | JCB8052 | JCB160 | JCB200 | JCB220 |
| JCB290 | JCB330 | |||
| SANY-SY | SY65 | SY200 | SY215 | SY330 |
| YUCHAI-YC | YC13 | YC35 | YC45 | YC60 |
| YC85 | YC135 | |||
| LIUGONG -LG | LIUGONG907 (LG907) | LIUGONG914 (LG914) | LIUGONG925 (LG925) | LIUGONG936 (LG936) |
| LONKING- | LONKING60 | LONKING65 | LONKING85 | |
| YANMAR-VIO | VIO30 YM30 | VIO35 YM35 | VIO40 YM40 | VIO55 YM55 |
| VIO75 YM75 | VIO20 | VIO55-2 | VIO55-6 | |
| CATERPILLAR-D | D3B D3C | D4 | D4D | D4E |
| D4H | D5 | D5B | D5C | |
| D5H | D5M | D5N | D6 | |
| D6C | D6D | D6R | D6H | |
| D6T | D7G | D7R | D7H | |
| D8N | D8L | D8T | D8R | |
| D8H | D8K | D9L | D9N | |
| D9R | D9T | D10N | D10R | |
| D10T | D11N | D11R | ||
| KOMATSU-D | D20 | D31 | D37EX-21 | D40 |
| D41P-6 | D41E-6 | D50 | D53 | |
| D51EX-22 | D60 | D65 | D65-12 | |
| D61EX-12 | D65EX-12 | D65PX-12 | D80 | |
| D85 | D85EX-15 | D85-21 | D155 | |
| D155A-1 | D155A-2 | D155A-3 | D155A-5 | |
| D155-6 | D275 | D355A-3 | D375-5 | |
| BD2G | ||||
We don’t list out all items.If any more item you need,please feel free to contact with us.
Attentions while assembling the front rollers

OUR FACTORY:
Quanzhou Sanqi Engineering Machinery Co.ltd. Located in Quanzhou City which is the cultural captital of east asia,the starting point of the silk road at sea.We are a production-oriented enterprise which is engaged in casing,forging,machining,heattreamnt and assembly and commited to developing and manufacturing the udnercarriage parts of current world famaous brands (komatsu,hitachi,kobleco,kato,mitsubishi,yanmar,kubota,hyundai,doosan,volve,jcb,case )and chinese famous brands(like,sany,zoomlion,xugong,liugong,longgong etc..) crawler-track machinery like excavtors,bulldozers,cranes,drills etc. Our main parts are track roller,carrier roller,idler,sprocket(segements group),track link ,pin&bush,bolt&nut,track adjuster,boom cylinder,arm cylinder,bucket cylinder etc.
We engaged in this field in 2007.up till now, our company cover an area of 30000 square meters. We have own casting workshop and forging workshop. And we are equipped with machines,for example,table drill,radia drill,normal lathe,vertical lath,cnc lathe,milling machine,griding machine,sawing machine,sprocket heattreatment machine,idler heattreatment machine,track roller and carrier roller heattreatment,track link heattreatment machine,roller assembling line,casing lines and forging lines etc..So we can offer parts at good prices in time for customers.
FAQ
1. What is your terms of packing?
Generally, we pack our goods in fumigated seaworthy wooden pallets. We also use polywood pallets or wooden case.
2. What is your terms of payment?
T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
3. What is your terms of delivery?
EXW, FOB, CFR, CIF, DDU.
4. How about your delivery time?
Generally, it will take 30-45 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
5. Can you produce according to the samples?
Yes, we can produce by your samples or technical drawings.
6. What is your sample policy?
We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
7. Do you test all your goods before delivery?
Yes, we have 100% test before delivery
8. How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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