
Excavator Carrier Roller Group
The excavator carrier roller group is used to hold the track upward so that the track has a certain degree of tension.
Product Introduction
Production description
The excavator carrier roller group is used to hold the track upward so that the track has a certain degree of tension.
Quick detail:
Origin: | Fujian,China | Brand | SQ, GTR |
Model: | MS110-5 MS120-8 | Hardness of trail surface | HRC52-58 |
Color | Yellow, black, gray | Roller body material | 50MN |
Delivery time | 20-45days | Warranty time | 6 months |
Name | Excavator top roller group | Machine type | Crawler tracked excavator |
Supply ability
We can manufacture around 300000pcs of track rollers and upper rollers one month.
Packing and shipping
20gp,20 feet heavy duty,40feet containers are all acceptable.
And there are two seaports available Xiamen and quanzhou China.
Advantages
Collar
Collars of excavator roller group are made by ductile iron. It shows exceptional resisitance to shock.
The design of double-cone sealing and lubrication for life makes the roller have long life time and perfect performance under any working condition.
Precision care
Each excavator top roller assy is precision machined to house special high impact low wear bimetal bushings.
Differential type of quenching or through type of quenching heattreatment can ensure certain heat treatment hardness depth and so give good anti-cracking effects.
Sizes

Structure

Our excavator top roller assy is applicable to below models:
E serial | E303 E305.5 E55 E70 E70B E307 E120 E120B E311 E312 E200B E320 E324 E240 E300 E300B E322 E325 E329 E330 E339 E345 E349 E365 E375 E450 |
Komatsu | PC05 PC07 PC12R PC15R PC10-7 PC20-3 PC20-5 PC20-6 PC20-6RUBBER PC20R-8 PC30MR-1 PC30-7 PC40-7 PC40-7RUBBER PC45 PC40MR PC50MR-2 PC50 PC50UU PC56 PC60-5 PC60-6 PC60-7 PC75-3 PC75UU PC78 PC100-1 PC100-3 PC120-5 PC130-7 PC138 PC150 PC200-1 PC200-3 PC200-5/6/7/8 PC300-3PC300-5/6/7/8 PC400-3 PC400-5/6/7/8 PC650-5 PC650-8 PC750 PC800 PC1000-1 PC1250-8 |
Hitachi | EX08 EX12 EX15 EX30-1 EX30-2 EX55 EX40-1 EX40-2 EX50 EX60-1 EX60-2/3 EX60-5 EX300-5 EX350 EX70 EX75 EX90-1 EX100 EX100M-1 EX150 EX200-1 EX200-2/3/5 EX220 EX300-1 EX400-1 EX400-3/5 EX650 EX800 ZAX55 ZAX60 ZAX70 ZAX200 ZAX200-3 ZAX200-5G ZAX210 ZAX240 ZAX240-5G ZAX270 ZAX330-3 ZAX330-5G ZAX360-7G ZAX450 ZAX470 ZAX870 |
Kobelco | SK020SR SK024 SK025 SK035SR SK045SR SK030 SK042-1 SK042-2 SK045MINI SK045(10T) SK060 SK55 SK60 SK75 SK120-3 SK120-5 SK135 SK140 SK200-3/5 SK200-6/8 SK07-1 SK230 SK220-3 SK220-5 SK260 SK250-8 SK300 SK300-3 SK320 SK330-6 SK330-8 SK350-8 SK400 SK450 SK460 |
Sumitomo | SH55 SH60 SH75 SH80 SH120 SH120A3 SH260 SH265 SH280 SH200 SH220 SH300 SH300-3 SH340 SH350 SH450 SH460 |
Kato | HD50 HD250 HD400 HD450 HD550 HD700 HD720 HD770 HD820 HD1023 HD1250 HD1430 HD1880 HD2035 |
Mitsubishi | MS30 MS40 MS070 MS110-5 MS120-8 MS140 MS180-3 MS180-8 |
Hyundai | R55 R60-5 R80-7 R130 R140-7 R150 R160 R200 R210-3 R215-9 R210LC-7 R220-5 R225-7 R225-9 R220LC-9 R265 E275 R290 R305 R320 R330LC-9 R335 R360 R450 R480 R500 |
Doosan | DX50 DX60 DX80 DX140 DX180 DX200 DX220 DX225 DX300 DX380 DX420 DX500 |
Daewoo | DH55 DH80 DH150 DH220 DH220-9 DH258 DH280 DH300 DH360 DH370 DH420 DH500 |
Volvo | EC55 EC140 EC210B EC240B EC290 EC330 EC360 EC460 EC700 |
Kubota | U10-3 U15-3 U17-3 U20-2 U20-3 U30-2 U30-3 U40-2 U40-3 U50-3 U60 U80 U85 KX36 KX41-3 KX61 KX91-3 KX101 KX121 KX155 KX161-3 KX185 KH025 KH033 KH40 KH45 KH90 |
Yanmar | Vio15-1 Vio15-2 Vio20-1 Vio20-2 Vio30-1 Vio30-2 Vio35 Vio40-2 Vio50 Vio55-1 Vio55-2 Vio60 Vio70 Vio75 Vio80 B19-3 B27-3 B50 B70 |
Fiat-Hitach | FH150 FH200-3 FH220-3 FH300 FH330 |
JCB | JS80 JS140 JS200 JS220 JS330 |
Case | CX60 CX75 CX135 CX240 CX360 |
Sany | SY65 SY135 SY215 SY235 SY275 SY335 SY365 |
Yuchai | Yc35 YC55 YC60 YC85 YC135 YC230 |
Other brands | IHI30 IS30 IS35 IHI40 IHI50 H30 H45 MM35 MM45 K030 TB150 TB175 SWE50 SWE60 SWE70 |
We don’t list out all items we make.if any more item you need, please feel free to contact with us.
Our factory in Quanzhou city, Fujian, China
Our factory is located in Quanzhou city which is the cultural capital of east asia, the starting point of the silk road at sea.
Our many products are undercarriage parts(track roller,carrier roller,sprocket rim,front idler,track link) for crawler-tracked machiner like bulldozers, excavators,cranes,drillers etc.
After many years at this field, we developed many of parts of most of popular brands abroad and domestic.So we can meet the requirements of most customers abroad and domestic too.what is more, we can develop parts as per customers’ drawings or samples. We are looking forward to cooperation with you at win win relationship very soon!

FAQ
1. What is MOQ for the order?
Generally speaking, the MOQ is a full container load of 20 feet container. Under this condition, the single cost can be lowered. if customers ask for less full container load. It is also acceptable.
2. How can you control your quality?
When material come inside our factory, we need to analyze the material cost. And when front idlers and sprocket rims material are casted. We need to analyze the composition to see if the material is qualified or not. When rollers and front idlers are being assembled, we need to oil leakage testing. After several parts are heat treated, we need to check the hardness before all are done.And our inspectors will check the sizes at ramdom when parts are being machined or assembled. All of these can guarantee the parts with correct sizes and good quality.
3. What is the percent of your parts for overseas market?
70percent of our parts are for overseas market.
4. Is there any guarantee of your parts?
There are 6 months guarantee time for excacavar parts under normal working conditions and 3months guaranteet tiem for bulldozer parts under normal working conditions.
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