Shengde industrial park
PRODUCTS CENTER
U.S.A X-Type Track Chassis Frame for Excavator, Rotation-Type Crawler
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Product Description
This chassis frame is designed as the main load-bearing structure for track undercarriage systems. It provides strong structural support for track frames, travel motors, and related undercarriage components. Manufactured with high-strength steel and precise welding processes, the frame ensures excellent rigidity, durability, and dimensional accuracy. Its robust design allows stable operation under heavy loads and harsh working conditions, making it suitable for various crawler machines and customized undercarriage solutions.
- High Structural Strength
- Precise Dimensional Accuracy
- Heavy-Duty Load Capacity
- Durable Welded Construction
| Raw material: | 50MnB alloy steel | Surface hardness: | 56° - 62° HRc |
| Main technique: | Forging, casting, CNC processing, strength & running test | Monthly capacity: | 20000 sets |
| Customization: | Accept OEM, ODM | Packaging material: | Carton, wooden case, pallet, container |
| 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 Track Undercarriage
Types of Track Undercarriage & Chassis

Dimension of Track Undercarriage

NO. | Model | Pitch | A | B | C | D |
01 | SDD101-00301 | 101 | 1358.5 | 883 | 485 | 250 |
02 | SDD101-00401 | 101 | 1612.5 | 1137 | 485 | 250 |
03 | SDD135-01006 | 135 | 2400 | 1584.7 | 576.8 | 260 |
04 | SDD135-00602 | 135 | 2313.7 | 1755 | 570.6 | 300 |
05 | SDD135-00603 | 135 | 2601.6 | 1957 | 746.5 | 300 |
06 | SDD135-00604 | 135 | 1737 | 1180 | 574 | 250 |
07 | SOD135-01005 | 135 | 3458 | 2871.6 | 578 | 250 |
08 | SDD135-00607 | 135 | 2943.6 | 2299 | 746.5 | 300 |
09 | SDD140-00801 | 140 | 3072 | 2489 | 608 | 400 |
10 | SDD154-01004 | 154 | 3098 | 2460 | 638 | 330 |
11 | SDD160-01801 | 160 | 4672 | 3948 | 735 | 400 |
12 | SDD190-02701 | 190 | 4446 | 3650 | 925 | 600 |
13 | SDD216-10001 | 216 | 6780 | 5765 | 1075 | 600 |
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 | / |














