Genuine undercarriage parts

We offer a wide range of machined products in various materials and specifications.

Durable Undercarriage Support for Excavators and Bulldozers

At TONGFU FITTINGS, we provide reliable undercarriage components for excavators and bulldozers. Our range includes heavy wheels, guide wheels, sprockets, driving wheels, support components, and floating seal rings. With exceptional durability and compatibility with various models, our products ensure optimal performance and longevity for your machinery.


Tonnage Application models
<10T PC100-6 PC120-6 EX100-2~5 EX120-2~5 SK100-1 SK120-1 PC60-6 SH120-3 SH60 SWZ175 SK07 FL6 MS180 SWZ154 SY65 HCS ZX75 SWZ054 SWZ048 CAT312 CAT311
20T C200-5~6 E200B SK200-6 EX200-5 SK200-3 SH200-5 R200 SE210-2 EX220 UH09-7 EX200-1 UH07-5 215B 225B EC290 E240B EL240 DH200 EC210C EC240C FH200 SE210 HD700 K907B K907C CAT219 CAT225B CAT225D CAT325 CAT322 CAT324
30T PC300 ZX330-1 EX300-2~5 ZX330-3 E330(CAT330) HD1250 SK330-6 SWZ216F.2 SWZ216D SH300 SH350 EC300D PC300-5 SY300 EC360 R290 R305 JS300 LS4300 S160 S390 PC377 SY365 SY375 SY385
40T PC400-6 EX400-5 DH450 R450 R350 R500 EC460 CAT345 CAT349 R455 SH400-3 SH450-3 SY485
> 50T EX650 EX750 ZX870 EC700B ZX870(钩机) PC1250-7 PC650-5 PC850 SY980 SK460 SK480 EX550-1~3 PC600-6 SY650 EX1200-5 EX1200-6 PC395 CAT365 CAT374 CAT375 CAT385 CAT390 EX1800
推土机Bulldozers FL4 MF200 D20 D30 D4 D4C D4D D4E D50 D5 D5M D60 D6D D6R D6B D6M D7F D7G D7E D7R D85 D8N D9N D9L D10N D11 D155AX D275 D375-2 D375-5 D475-2 D475-5 D155A-1 D355A-3 D65-12 D275AX-5
Models Technical parameters
EXCAVATORS 轮体表面硬度为HRC52~58,深度≥6mm,R角处≥4mm. The ldler surface hardness ranges from HRC 52 to 58, depth≥6mm, R angle≥4mm.
BULLDOZERS 轮体表面硬度为HRC52~58,深度≥8mm,R角处≥6mm. The ldler surface hardness ranges from HRC 52 to 58, depth≥8mm, R angle≥6mm.


Machine Application models
EXCAVATORS E11 E120B E180 E70B DH130 S130 DH175 DX300 DH55 TD15B TD15C TD15E 300 9DS 12 1200 135 140 EX100-1 EX100M-1 EX100M-5 EX150 UN055-7 EX55-ZAXIS EX60-1 EX90-1 UH025-7 UH045 UH0532 UH04-7 UH063 UH07-5 UH07-7 UH081 UH083LC ZAX125 ZAX135 ZAX35 ZAX55-ZAXIS-A ZAX60-ZAXIS ZAX70 R110-7 R130 R140-9 R55 R60 R80-7 E200B DH220-3 DH220-5 DH220-5-J DX255 DH250 DH280 EX200-1 EX200-2 EX200-3 EX200-5 ZAX200-3*18H ZAX240*20H ZAX270-3 R200-1 R200-5 345B 345BL E300 E300BL E307 E312 E315B E317N E320 E325L E330 E330C E350 DH300 DH330 DH320 S320 DH370 EX300-2 EX300-3 EX310 EX300-5 ZAX360 R360 R360-II E450 DH400 DH580 DH500 S500 EX400-1 955K EX550 EX660 EX750-5 R2900-7 R3000-7 R3000LC-7 R555-7 500JCB200 JCB220 HD1220-2 HD1250-7 HD1880 HD2045 HD400-5 HD400-7 HD550-1 HD700-2 HD700-5 HD820 HD820R HD850 K907B K907C SK07-2 K907-2 SK07N2 SK09 SK100 SK120 SK140-8 SK200-3 SK200-8 SK220-1 SK220-3 SK230 SK260-8 SK300 K912 SK310 SK320 SH330-3 SK320-J SK430-3 SK60-360 PC05-8 PC100-3 PC100-5 PC100-6 PC100F-6 PC120-1 PC120-5 PC200-3 PC200-5 PC20-5 PC300-3 PC300-5 PC300-6 PC300-7 PC30-5 PC20-5 PC400-3 PC400-5 PC400-6 PC40-7 PC60-5 PC60-6 PC60-7 PC650 PC75UU-3914 944 R943 MS120-3 MS120-5 MS307 LS2650 SH100 SH120 LS2600 SH200 SH280-23 SH280-A21 SH300 SH300-2 SH300-216 SH330-3 SH340 SH430 SH450 SH450-3 SH55 EC140 EC360 EC360BC EC360BNLC EC55 EC700BLC MX45 MX8-1 MX8-2 SE210 R520LCH SE215 SE280 SE292 MX292 240 290 290C 460 50
BULLDOZERS D3G D4H D5B D5H D6C D6D D6H D6R D6M D7F D7G D7H DR D8H D8K D8N D155A-1 D275 D355 D355A-3 D50 D51EP D65A-8 D61PX D65EX D85A-18 D85PX D7 D7160 D455 D3C D4D D6 D20 D20-1 D20-2 D30 D31-15 D31-16 D31-17 D31-18 D31P-21 D41P-6K D41E-6K D41P-6
Models Technical parameters
EXCAVATORS 表面硬度为HRC50~58,深度≥5mm The surface hardness ranges from HRC 50 to 58, depth≥5mm
BULLDOZERS 表面硬度为HRC50~58,深度≥5mm The surface hardness ranges from HRC 50 to 58, depth≥5mm


Tonnage Application models
<10T PC120-6 PC07-1 PC40MR-2 SY55 SY65 VI030-1A VI030-1B VI020-2A VI020-2B PC40MR-3 EX60-5 PC35R-8 VI040A VI040B VI030-2A VI030-2B PC15MR-1 HD450-7 EX25-1 PC10MR-2 KX045 EX100-5 PC05-7 PC20MR-2 PC30MR-1 SK50UR IS32JA IS32JB PC03-1 VI040-2A VI040-2B IS45J SK40SR EX35-2 SK20SR-5 EX40UR-1 ISS55UJ-A ISS55UJ-B KO30 B7-5B 307B
20T PC200 R210-3 SK200-1 ZX200-3 SK200-3~5 EC210B EC240B EC290C EC290B EX200-5 ZX210 SH200 R290 DH220 CAT320 CAT325
30T PC300 SK330 SK350 ZX330 EC330 EC360 R375 SK350-8 EX300-5 SH300 R305 ZX360-5G SH300 SY320 DH300 CAT330 CAT336
40T PC400 SH400 EC460 EX400-1~5 CAT345 ZX470 SK460 SK480 DH450-3 DX480
> 50T ZX870 PC650-6 EC700B EC650 SY600 R385 CAT385 CAT365 DS360 DX420
Models Technical parameters
EXCAVATORS 引导轮表面硬度为HRC52~58,深度≥3mm,R角处≥1mm. The ldler surface hardness ranges from HRC 52 to 58, depth≥3mm, R angle≥1mm.
BULLDOZERS 引导轮表面硬度为HRC52~60,深度5mm~7mm,R角处≥2mm. The ldler surface hardness ranges from HRC 52 to 60, depth5 to 7mm, R angle≥2mm.


Tonnage Application models
<10T SK40 SK50 SK60 SK75 SK95 C053
20T PC200-8 PC200LC-7 E200B EX200-5 EX220-2~5 SK200-6 SH200 SK200-1~3 SK200-1 SK220-1 SK290 ZX200 ZX240 R290 DH220 DH280 EC210
30T PC300-7 EX300-2-5 PC300-7带座 CAT325 CAT330 PC300-1~5 ZX300 ZX370 SH330 SH350 R305 R350 DH320
40T EX400-5 PC400-6 PC450-6 R450 PC400-8 ZX450LC-3 R450
> 50T ZX870-3 ZX850 EX1200-6 EC700B PC800 PC850 PC750 PC650-5 PC650-8 R500 CAT365 CAT385 CAT350 CAT340 CAT345 CAT349 PC1250-7
推土机Bulldozers D31 D6D D50 D60 D155A-1 D375-2-3 D375-1 D275-2 D85 D7 D65-12 D155A-3 D155AX-3 D5B D5E D6B D6H D6R D275AX-5 D475
Models Technical parameters
EXCAVATORS 轮体表面硬度为HRC52~58,深度≥4mm,R角处≥2mm. The ldler surface hardness ranges from HRC 52 to 58, depth≥4mm, R angle≥2mm.
BULLDOZERS 轮体表面硬度为HRC52~58,深度≥5mm,R角处≥3mm. The ldler surface hardness ranges from HRC 52 to 58, depth≥5mm, R angle≥3mm.


Machine Application models
EXCAVATORS EX60-1 EX100-1 EX49L R60 SK100 PC30-1 PC45 PC60-1S1 PC100-3 PC100-5 185 BD2G E200B EX200-1 EX200-2 R200-1 JCB200 PC200-5 E330 E325 E307 PC300-1 PC300-5 PC300-6 EX450 PC400-1 PC400-5 PC400-6 SH450 HD700 ZX870
BULLDOZERS D3B.C D3C D4D D4E D5B D5H D5HD D6C D6D D6HD D7G D7GS1 D155 D31 D50 D60 D61PX D85 D85SS-2, D8, D9, D10, D11, D275, D355, D375, D475
Models Technical parameters
EXCAVATORS 表面硬度为HRC48~58,深度5-16mm. The surface hardness ranges from HRC 48 to 58, depth5-16mm.
BULLDOZERS 表面硬度为HRC50~58,深度5-16mm. The surface hardness ranges from HRC 50 to 58, depth5-16mm.

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