Company: TRTN-PA
Filing Date: 2025-11-25
Form Type: 6-K
Source: 0001660734-25-000036
Chunk: 0

Company: Triton International Ltd
Filing Date: 2025-11-25
Form: 6-K
Chunk 0
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### UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
| FORM6-K |

### REPORT OF FOREIGN PRIVATE ISSUER

#### PURSUANT TO SECTION 13A-16 OR 15D-16

#### UNDER THE SECURITIES EXCHANGE ACT OF 1934

#### For the month of November 2025

#### Commission File Number: 001-37827
| TRITON INTERNATIONAL LIMITED                           
 (Exact name of registrant as specified in its charter) |

<div align='center'>Victoria Place, 5th Floor, 31 Victoria Street, Hamilton HM 10, Bermuda
(Address of Principal Executive Office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

<div align='center'>Form 20-F ☒ Form 40-F ☐</div>

#### Amendment of Warehouse Facility
On November 20, 2025, TIF Funding LLC (the “ TIF Borrower ”), TCIL Funding I LLC (the “ TCIL Borrower ” and, together with the TIF Borrower, the “ Borrowers ”), each a wholly-owned subsidiary of Triton International Limited (the “ Company ”), Wells Fargo Bank, National Association (“ Wells Fargo ”), as administrative agent, Wilmington Trust, National Association (“ Wilmington Trust ”), as collateral agent and securities intermediary, and certain lenders (the “ Lenders ”) entered into an amendment and restatement (the “ Loan Agreement Amendment ”) of the Loan and Security Agreement (the “ Loan Agreement ”) relating to the Borrowers’ $1.125 billion asset-backed warehouse facility (the “ Warehouse Facility ”), which was initially entered into by the TIF Borrower in December 2018. Certain related agreements under the Warehouse Facility (the “ Facility Documents ”) were also amended or entered into on the same date in connection with the Loan Agreement Amendment (together with the Loan Agreement Amendment, the “ Warehouse Facility Amendment ”). As of the date of the Warehouse Facility Amendment, there was $260.0 million outstanding under the Warehouse Facility.

Pursuant to the Warehouse Facility Amendment, (i) the TCIL Borrower joined the Warehouse Facility as a borrower and Triton Container International Limited joined the Warehouse Facility as the seller of Containers (as defined below) to the TCIL Borrower and as the manager of Containers owned by the TCIL Borrower, (ii) the existing