05:42 PM EST, 02/10/2025 (MT Newswires) -- Allison Transmission ( ALSN ) said Monday it will continue its partnership with HST Otomotiv on a phase two contract to provide Allison X1100-5A4 cross-drive transmission for the Next Generation T-155 Firtina 155 mm Self-Propelled Howitzer for the Turkish Armed Forces.

The phase two contract will include an additional 32 transmissions, with deliveries expected to begin in Q1 of 2026, the company said.

HST is Allison's licensed manufacturer in Turkey, the firm said.

The Allison X1100 cross-drive transmission is built for heavy tracked combat vehicles from 45 to 63 tons.