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Track Adjuster Assembly for Excavator and Bulldozer

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The track adjuster assembly is one of the most important undercarriage components to provide the excavator or bulldozer track with satisfactory service life. It mainly applies 45# steel as the raw material. The original oil seal from Korea is used. This heavy equipment part is finely machined with precise size. Due to the perfect quality control system, it surely comes with high quality. Our track adjuster assembly has gone through the heat treatment, which means it perfectly resists abrasion and rust. 12-month guarantee time is always available. Till now, we have exported tens of thousands of such products, and received ZERO complains from our clients.

The product can be used to replace the original wear parts for bulldozers, excavators, and other heavy equipment of major brands such as Komatsu, Caterpillar, Hitachi, Kato, Daewoo, Hyundai, Sumitomo, Samsung, Kobelco, and Mitsubishi.

Our range of track adjuster assembly is compatible with the following brands and models:
1) Komatsu: PC40,PC60-5-6-7, PC100,PC120, PC130,PC240, PC200-1-3-5-6, PC220-1- 3-5, PC300-3-5, PC4001-3-5, D20, D30,D31 D50, D60, D75, D80 (D85), D155;
2) Hitachi: EX40,EX60,EX150,EX100M,EX100,EX120,EX150, EX200-1-2-3, EX300-1-3- 5, EX400, UH08, UH07;
3) Caterpillar: E110B, E200B (E320), E240 (MS180), E300B, E330, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K;
4) Daewoo: DH220, DH280, R200, R210;
5) Kato: HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880;
6) Kobelco: SK07N2, SK07-7SK200, SK220, SK300, SK320;
7) Sumitomo: SH120, SH200, SH280, SH300, SH400;
8) Mitsubishi: MS110, MS120, MS180;
9) Samsung: SE55, SE210;

Outer packing: pallet

As one of our main products, our track adjuster has been exported to worldwide famous factories in Europe, especially in Italy. In China, our company is the designated undercarriage parts supplier of the domestic well-known heavy-duty equipment manufacturers.

Part Number and Compatible Types for Your Reference
Part No. Description Machine
7Y1744 TRACK ADJ. GP 320, 320L
1028165 TRACK ADJ. GP 315, 317
7Y1685 ROD 315, 317, 320, 320L
7Y1687 PISTON 315, 317, 320, 320L
7Y1780 CYLINDER 315, 317, 320, 320L
New Production
7Y0207 CYLINDER 330, 330B, 330L
7Y0680 PISTON 322L , 325, 325L
7Y0681 CYLINDER 322L , 325, 325L
7Y1258 PISTON 330, 330B, 330L
1793007 PISTON 320C , 322C, 323D S, 324D FM, 325C,
325C L, 325D, 325D L, 325D S
7Y1867 PISTON 330L, 345B, 345BL, 345C, 350, 350L
1793045 PISTON 322C, 325C, 325D, 330C, 330C L, 330C
LN, 330D, 330D L, 330D LN
1225178 PISTON 320, 320L, 320N, 3054
1225077 CYLINDER 320, 320L, 320N, 3054
1156428 PISTON 315BL, 317BL, 317BLN, 318B, 318BN,
320B, 320BL, 320BN
1225136 TRACK ADJ. GP 320, 320L, 320N
1452977 TRACK ADJ. GP 15BL, 317BL, 317BLN, 318B, 318BN,
320B, 320BL, 320BN

Our range of recoil spring is compatible with following brands and models:
1) Komatsu: PC60-5/6, PC100, PC200-1-3-5-6, PC300-3-5, PC400-3-5, PC400-3-5, D20, D30, D50, D60, D5D, D6D, D75, D80 (D85);
2) Hitachi: EX100, EX200-1-2-3, EX300;
3) Caterpillar: E110B, E200B (E320), E240 (MS180), E300B, E330, SH200;
4) Daewoo: 220, UH07, UH08, SH300, HD250, HD400 (HD450), HD700 (HD770), HD820 (HD850), HD1220 (HD1250), SK07-2-7, SK200, LS2800FJ, S340, S430.

Outer packing: by pallet

Recoil Springs
This type of bulldozer and excavator spare part applies high quality steel 60Si2Mn or 60Si2Cr. It has been treated with the heat treatment process. We can make the recoil spring adaptable to the construction equipment of the brand including Caterpillar, Komatsu, Hitachi, Kobelco, Kato, Sumitomo, Daewoo, and Hyundai.

Material 60Si2MnA, 60Si2CrA, 60Si2CrVA
Wire diameter 5mm~80mm
Free height 10mm~1188mm
hardness 45HRC~55HRC
Direction of coils Right, left
No. of coils Original or As required
Application Excavator, digger machine, car, train, shakeout machine, etc.
Color Black, white, blue, red, yellow, grey, gold brown, etc.
Production Hot formed, cold formed
No. MS Ref. No. Weight(kg) A B C D Model
1 MSD07705 130.4 Φ70 468 46 800 PC200-7
2 MSD01704 132.7 Φ70 550 45 723.1 CAT320D
3 MSD05752 52.1 Φ75 521 48 1037 ZAXIS230
No. MS Ref. No. Weight(kg) A B C D Model
1 MSC11001 215 Φ110 525 60 1040 D5
2 MSC08002 31 80 188 28 506 FL4, YC85
3 MSC08001 82.5 80 365 46 910 -
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