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Upper roller State-of-the art machining Each roller shaft is engineered drop-forged and machined by the utilization of the mo Upper roller State-of-the art machining Each roller shaft is engineered drop-forged and machined by the utilization of the most modern technological advances known to the industry,Grinding and finishing methods ensure mirror kike finish and tempering with medium to low frequency heat treating equipment guarantees maximum strength. Maximum life Each roller shell is carefully heat treated to ensure long wear life and stress resistance. Precision care Each roller is precision machined to house special high impact low wear bimetal bushings. Replacement parts of track roller for Caterpillar,Komatsu,Hitachi,Kobelco, Mitsubishi,Sumitomo,Daewoo,Hyundai,Samsung and etc. No. Part No. Model Weight 1 90306-04080 FURUKAWA PCR200 18.30 2 81467489 TAMROCK 660 33.80 3 3T4352 D3B,D3C 4 3T4353 D3B,D3C 23.40 5 6T9887,9P4218 D4C,D4D 46.10 6 6T9883,9P4213 D4C,D4D 49.50 7 9T9879,9S9539 D5,D6B,955 49.00 8 9T9875,9S9538 D5,D6B,955 55.00 9 9G8029,7G0421 D6C,D6D 57.50 10 9G8034,7G0423 D6C,D6D 64.00 11 7T4102 D6H 55.30 12 7T4107 D6H 60.50 13 6T9871,9S0316 D7F,D7G,977 70.00 14 6T9867,9S0317 D7F,D7G,977 72.50 15 9W5586 D7H 67.10 16 9W5585 D7H 73.00 17 6P4897 D8H,D8K 112.00 18 6P4898 D8H,D8K 119.50 19 111-30-00274 D30,D31 27.90 20 111-30-00281 D30,D31 31.20 21 131-30-00322 D50,D60-3 48.30 22 131-30-00332 D50,D60-3 55.60 23 141-30-00575 D60-6,D65,D70 58.50 24 141-30-00585 D60-6,D65,D70 65.00 25 155-30-00124 D80,D85 70.50 26 155-30-00114 D80,D85 80.00 27 175-30-00486 D155 112.00 28 175-30-00496 D155 119.50 29 4I7346,861934 311,312,E110B,E120B 25.20 30 E84310103 E200B 36.20 31 854973 E300B 52.00 32 8E5032 320 36.20 33 6Y1057,1175046 325 44.50 34 6Y2795,1175047 330 62.00 35 201-30-00060 PC60-5 15.60 36 201-30-00062 pc60-6 15.60 37 203-30-00140 PC100-2,PC100-3,PC100-5 23.00 38 205-30-00172 PC200-3 39.00 39 20Y-30-00012 PC200-5,PC200-6 39.00 40 207-30-00024 PC300-3 52.00 41 207-30-00150 PC300-5,PC300-6 52.00 42 208-30-00210 PC400-3,PC400-5,PC400-6 74.50 43 9066207 EX60 15.50 44 90,437,339,019,471 UH04-5,UH045-5,UH052 33.50 45 90,490,949,018,669 UH04M,UH052M 39.10 46 9066508 UH053,UH063EX100,EX120 24.80 47 9066691 UH053M,UH073,EX100M 28.00 48 9066510 UH07,UH081,UH083,EX200 40.00 49 9066509 UH103,EX220 41.00 50 9114681 EX200-2,EX220-2 35.70 51 90,666,909,114,682 EX300,EX300-2,EX300-3 56.20 52 9072631 EX400 84.50 53 B90N-0061F5 SK04,K904 35.20 54 B90N-0059F6 SK07,K907 38.20 55 24100N6400F2 SK07-N2,K907- 37.50 56 24100N4042F2 SK100,SK120 26.50 57 24100N5947F3 SK200,SK200-3 36.50 58 24100J11696F2 SK220 46.00 59 24100N3856F1 SK300 55.70 60 C24302401 MS110-5,MS110-8 38.40 61 957138,E34301300 MS180-8,E180,E240 37.00 62 KMA0357 S260LL,LS2600BJ,LS2600BLJ 27.60 63 KNA0533 S40,LS2500,SH100 33.40 64 KRA1189 SH200 36.00 65 KSA0671 SH300 54.20 66 KSA0672 SH300 53.80 67 2270-1098 DH220-2,S220-3,S220LC-3 40.00 68 2270-9401 DH280-2,S280-3,S280LC-3 56.20 69 2270-9404 SH450-2,S450-3,S450LC-3 84.50 70 E R200-2,R210-2,R210LC-2 46.60 71 81E5-2002 R320-2,R320-3,R320LC-3 54.00 72 81E7-0015 R360-2,R360-3,R360LC-3 84.50 73 1081-03680 SE210-2,SE210-3,EC210-3 41.00 74 1081-03871 SE280-2,SE280LC-2,EC280-3 52.00 75 1081-01800 SE350-2,SE350LC-2,EC360-3 84.50 Note:the above part numbers shown are for referrence purpose only.we do not imply that these items are products of the OEM