Shengde industrial park
PRODUCTS CENTER
Bhutan For Hitachi ZX55 Excavator Top Carrier Roller 17M-30-00340, 9239529
This top roller fit Hitachi ZX55 excavators, reference part numbers 17M-30-00340 and 9239529. Featuring heavy-duty forged steel, high-performance floating seals, and induction-hardened wear surfaces, it is engineered for maximum durability and smooth track rotation. Quality guaranteed by Shengde Machinery, a 26-year undercarriage factory. Note: Part numbers are for reference only. To guarantee a 100% precision fit, please verify your machine's part install interface or dimensions with us.
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Product Description
| Raw material: | 50MnB alloy steel | Surface hardness: | 56° - 62° HRc |
| Main technique: | Forging, casting, CNC processing, seal & running test | Monthly capacity: | 50000 pcs |
| Customization: | Accept OEM, ODM | Packaging material: | Shock-absorbing foam, carton, wooden case, pallet |
| Shipping port: | Xiamen, Ningbo, Shanghai or any port in China | Lead time: | 24-72 hours for in-stock items, 45 days for bulk orders |
Structure of Top Roller
Dimension of Top Roller


No. | MODEL | A | B | C | D | F | G | H | I | J | MEMO | |||
01 | EX200-1 | 84 | / | / | / | 150 | 97.5 | 35 | 57.5 | 4-Φ17 | / | |||
02 | EX200-5 | 84 | / | / | / | 120 | 96 | 35 | 57.5 | 4-Φ18 | / | |||
03 | ZX200 | 84 | / | / | / | 120 | 95.5 | 35 | 53.5 | 4-Φ19 | / | |||
04 | EX400 | 103 | / | / | / | 160 | 117.5 | 65 | 91 | 4-Φ19 | / | |||
05 | E120B | 72 | 90 | 63 | 41 | 112 | / | / | / | / | / | |||
06 | CAT320 | 84 | 108 | 70 | 47 | 120 | / | / | / | / | / | |||
07 | E325 | 97 | 113.5 | 75 | 47 | 160 | / | / | / | / | / | |||
08 | E330 | 97 | 113.5 | 75 | 47 | 160 | / | / | / | / | / | |||
09 | PC100-5 | / | / | / | / | 115 | 81.5 | 41 | 71 | 4-Φ14 | / | |||
10 | PC200-5 | 84 | 119.5 | 70 | 55 | 140 | / | / | / | / | / | |||
11 | PC300-5 | 96 | 16 | 9o | 58 | 168 | / | / | / | / | / | |||
12 | PC400-5 | 106 | 116 | 9o | 58 | 168 | / | / | / | / | / | |||
13 | SK200-3 | 84 | 87 | 70 | 46 | 120 | / | / | / | / | / | |||
14 | SK300 | 95 | 129.5 | 70 | 65 | 120 | / | / | / | / | / | |||
15 | SK320-6 | 95 | 128 | 70 | 66 | 160 | / | / | / | / | / | |||
16 | R290 | 96 | 132.,5 | 85.5 | 58 | 168 | / | / | / | / | / | |||
17 | DH280-3 | 85 | / | / | / | 142 | 131 | 50 | 111 | 4-Φ18 | / | |||
18 | D4D | 70 | 91 | 88 | 41.5 | 151 | / | / | / | / | / | |||
19 | DSH | 86 | 115.8 | 110.7 | 57.2 | 172 | / | / | / | / | / | |||
20 | D60/D65 | 100 | 105 | 96 | 61 | 185 | / | / | / | / | / | |||
21 | D61 | 82 | 98 | 92.8 | 61 | 165 | / | / | / | / | / | |||
22 | D6D | 94 | 116 | 87.5 | 47.7 | 188 | / | / | / | / | / | |||
23 | D6H | 94 | 15.5 | 110 | 57.15 | 188 | / | / | / | / | / | |||
24 | D7G | 98 | 118.5 | 10o | 57 | 191 | / | / | / | / | / | |||
25 | D85 | 98 | 119 | 120 | 58 | 185 | / | / | / | / | / | |||
26 | D155 | 120 | 137 | 139 | 68 | 194 | / | / | / | / | / | |||
Company Brief
Shengde Machinery is a renowned track undercarriage manufacturer from China. Since 1999, company has been focused on track undercarriage customization for over 26 years. Now company owns full track chassis customization ability including research, design, manufacture, test, inspect and global delivery. Company is official supplier of many brand equipment manufacturers including Sany, Hitachi and Zoomlion. Production capacity of complete track chassis is 20000 sets per year.
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Model List
SANY | CATERPILLAR | KOMATSU | HITACHI |
| SY35 | E70B | PC20 | EX30 |
| SY60 | E120B | PC30 | EX40 |
| SY70 | E200B | PC40 | EX60 |
| SY75 | E320B | PC60 | EX70 |
| SY135 | E320C | PC100 | EX90 |
| SY215 | E240 | PC120 | EX100 |
| SY225 | E300 | PC200 | EX120 |
| SY300 | E330 | PC220 | EX150 |
| SY305 | CAT110 | PC240 | EX200 |
| SY395 | CAT307 | PC300 | E×220 |
| SY420 | CAT311 | PC400 | EX300 |
| SY465 | CAT312 | VOLVO | EX350 |
| SY485 | CAT225 | EC55 | EX400 |
KOBELCO | CAT235 | EC140 | EX1100 |
| K907 | CAT322 | EC210 | UH045 |
| SK04N2 | CAT325 | EC240 | UH053 |
| SK07N2 | CAT345 | EC290 | UH062 |
| SK60 | DAEWOO | EC360 | UH063 |
| SK100 | DH55 | EC490 | ZAXIS55 |
| SK120 | DH150 | MITSUBISHI | ZAXIS70 |
| SK200 | DH220 | MS110 | ZAXIS200 |
| SK220 | DH280 | MS180 | ZAXIS230/240 |
| SK230 | DH300 | BULLDOZER | ZAXIS270 |
| SK300 | DH420 | D20 | ZAXIS350 |
| SK320 | SAMSUNG | D30 | ZAXIS400 |
| SK330 | SE130 | D31 | SANY |
| SK400 | SE210 | D3 | SY35 |
SUMITOMO | SE280 | D4 | SY60 |
| SH60 | SE350 | D4H | SY70 |
| SH100 | KATO | D4D | SY75 |
| SH120 | HD250 | D4M | SY135 |
| SH200 | HD400 | D5 | SY215 |
| SH220 | HD450 | D5H | SY225 |
| SH260 | HD700 | D50 | SY300 |
| SH280 | HD1250 | D5M | SY305 |
| SH300 | HYUNDAI | D6H | SY395 |
| LS2650 | R55 | D6D | SY420 |
| LS2800 | R60 | D60 | SY465 |
| LS3400 | R80 | D65 | SY485 |
| / | R130 | D6M | / |
| / | R200 | D6R | / |
| / | R210 | D7G | / |
| / | R225 | D85 | / |
| / | R230 | D8H | / |
| / | R290 | D8K | / |
| / | R305 | D8N | / |
| / | R320 | D8R | / |
| / | R450 | D9N | / |
| / | / | D155 | / |














