A rail ferry unit of Seacor Holdings has ordered a new ro-ro at China's Huangpu Wenchong yard.
The 2,000-lane-metre ship is due in 2020.
No price was revealed for the contract with New Orleans-based CG Railway (CGR).
US shipowner Seacor and Genesee & Wyoming Inc formed a 50/50 joint venture to buy CGR in September.
CGR had earlier been acquired by Seacor through its takeover of International Shipholding Corporation.
