All couplers are tested to be compliant with SAE J684 standard
- Adjustable Coupler
- Quick-lock latching mechanism allows quick and easy trailer hook-up.
- Full line of SAE class I through IV.
- 48-100hours salt spray test.
- Zinc plated couplers/powder coating/E-coating couplers.
- Mounting hardware included or sold separately.
Adjustable Coupler
| Part No. |
Ball Size |
Class |
Capacity |
| 100301 |
2" |
IV |
10000lbs |
| 100302 |
2-5/16" |
IV |
14000lbs |
| 100312 |
2" |
IV |
10000lbs |
| 100313 |
2-5/16" |
IV |
14000lbs |
Adjustable Coupler With Bolts & Bracket
| Part No. |
Ball Size |
Description |
Class |
Capacity |
| 100305 |
2" |
8 holes |
IV |
10000lbs |
| 100306 |
2" |
12 holes |
IV |
10000lbs |
| 100310 |
2" |
16 holes |
IV |
10000lbs |
| 100307 |
2-5/16" |
8 holes |
IV |
14000lbs |
| 100308 |
2-5/16" |
12 holes |
IV |
14000lbs |
| 100311 |
2-5/16" |
16 holes |
IV |
14000lbs |
Adjustable Height Bracket
| Part No. |
Description |
Holes |
Distance |
Channel Width |
Capacity |
| 100303 |
8 holes |
5/8" |
2" |
3" |
16000lbs |
| 100304 |
12 holes |
5/8" |
2" |
3" |
16000lbs |
| 100309 |
16 holes |
5/8" |
2" |
3" |
16000lbs |
Qingdao Tsingleader Industry Co., Ltd. is located in the beautiful Qingdao city. We specialize in the production of trailer parts, axle and transmission of engineering machinery and special engineering and agricultural machinery.
Over the past years, Tsingleader Industry has invested 4 manufacturing plants in China. Following the principle of "quality assurance, abiding by the contract, reciprocity, mutual benefit and first-class services", we have won the trust from our clients both at home and abroad.
Our annual sales amount reaches USD 5 million and our products have been exported to North and South America, Europe ,Africa,South Asia and the Middle East.
We sincerely hope to become your earnest business partner and your contact will be warmly welcomed.
Audited Supplier 
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