Mk 23 Medium Tactical Vehicle Replacement (MTVR)
Mk 23A1 MTVR Ready to Accept Armor (RTAA)
Mk 25 MTVR w/ Winch
Mk 25A1 MTVR w/ Winch RTAA
The Mk 23 and Mk 25 cargo variants of the MTVR family used state of the art commercial technology including an independent suspension system, electronically controlled engine and transmission and a central tire inflation system, which increased the off-road maneuverability and mobility of the vehicle. The difference between the Mk 23 and Mk 25 was that the Mk 25 had a 20,000 pound capacity self-recovery winch while the Mk 23 did not.
The Mk 23 and Mk 25 were 7-ton, 6x6 trucks designed for use on all types of roads, highways and cross-country terrain. They were capable of traversing a 60 percent gradient, a 30 percent side slope up to 15 mph and a 40 percent side slope at 5 mph. They were capable of fording 60 inches of water and had an on-road cruising range of 300 miles. Both variants were capable of being transported by highway, rail, sea and air.
The Mk 23 and Mk 25 cargo variants of the MTVR family were intended to replace existing M813A1, M923A1, M923A2, M925, M925A1, M813 with ISO Bed and M923 with ISO Bed trucks in USMC service. Fielding of the Mk 23 and Mk 25 started in FY01. The vehicles officially entered service in October 2001.
Following the introduction of the MTVR Armor System (MAS) in 2004-2005, Mk 23A1 and Mk 25A1 variants was introduced. Mk 23/25A1s were referred to as "Ready to Accept Armor" (RTAA). These models had upgraded cab mounts, armored flooring, upgraded suspension, and air conditioning. RTAA vehicles were not considered armored vehicles and were interchangeable with standard Mk 23/25s to satisfy T/E allowances.
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