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Oshkosh Defense
MTVR (Medium Tactical Vehicle Replacement)
The US Marine Corps' standard 6x6 medium tactical truck, designed and built by Oshkosh Defense since 2001 with its TAK-4 independent suspension, distinct from the Army's Oshkosh-built FMTV and the existing HEMTT heavy-truck line.
Compiled from public sources ·primary reference ↗ ·last verified 2026-07-19
105
km/h
483
km range
Procurement snapshot
Availability & export
US ITAR-controlled
Export needs U.S. State Dept (DDTC) approval; end-use & re-transfer restrictions apply.
Channel: Foreign Military Sales (FMS) or Direct Commercial Sale
Fielded & proven
Operator data not public
Status: active · ~11,359 built.
Lifecycle cost (est.)
No public unit price to model from. Why so few systems publish one →
Interoperability
No standardised NATO calibre / datalink detected in public specs.
Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.
Overview
The Medium Tactical Vehicle Replacement (MTVR) is a family of 6x6 cargo and tactical trucks designed and manufactured by Oshkosh Defense for the US Marine Corps, with first deliveries in 1999 and initial fielding in 2001. It is the Marine Corps' rough equivalent of the Army's FMTV: the Marines do not use FMTV (aside from the FMTV-based HIMARS launcher) and the Army does not use MTVR. Wikipedia's own article, citing IHS Jane's, confirms Oshkosh Defense as designer and manufacturer. The baseline MK23 standard cargo variant weighs 13,200 kg curb with fuel, is 8.0 m long, 2.49 m wide and 3.185 m tall at the cab, and carries 7 US tons (14,199 lb) off-road or 15 US tons (30,000 lb) on paved roads. It is powered by a Caterpillar C-12 11.9-litre 6-cylinder diesel producing 425 hp through an Allison HD 4070P 7-speed automatic transmission, riding on Oshkosh's own TAK-4 independent suspension, with a 483 km range and 105 km/h top speed. Variants span standard and extended cargo trucks (MK23/25/27/28), dump trucks (MK29/30), a wrecker (MK36), a tractor (MK31 Medium Equipment Transporter), and a HIMARS resupply variant (MK37) with a materials-handling crane. As of the mid-2010s more than 11,359 MTVRs had been delivered to the US Marine Corps and Navy, plus an estimated 430 export units.
Full specifications
Performance
Speed, range, altitude and engagement capability.
| Max speed Maximum level speed. For aircraft this is at optimal altitude; for ground vehicles, top road speed. Higher means faster response and better kinematic performance. | 105 km/h |
|---|---|
| Range Maximum distance: ferry range for aircraft, operational range for vehicles, maximum engagement distance for missiles. Higher means more standoff or persistence. | 483 km |
Physical
Dimensions, weight and crew.
| Length Overall length including gun/probe where applicable. | 8 m |
|---|---|
| Width Overall width, matters for rail/road transport of vehicles. | 2.49 m |
| Height Overall height. Lower profile is harder to spot and hit for ground vehicles. | 3.19 m |
| Empty weight Weight without fuel, ammunition or crew. | 13,200 kg |
| Crew Personnel required to operate. Fewer reduces exposure; autoloaders trade a loader for mechanical complexity. | 2 |
| Cargo payload Maximum cargo the transport can carry. Higher means more lift per sortie. | 6,350 kg |
Propulsion
Engine, power and fuel.
| Engine Powerplant model and type. | Caterpillar C-12 11.9-litre 6-cylinder inline water-cooled diesel |
|---|---|
| Engine power Engine output power. Higher moves more weight faster. | 425 hp |
| Fuel capacity Internal fuel volume. | 295 L |
| Propulsion type Turbofan, turboshaft, diesel, gas turbine, solid-fuel rocket, ramjet… | diesel |
Program
Cost, production scale and operators.
| Units built Total production run. Higher means proven manufacturing, mature logistics and spares availability. | 11,359 |
|---|
Specifications compiled from public Oshkosh Defense and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-19.
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Frequently asked questions
What is the top speed of the Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement)? +
The Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) has a maximum speed of 105 km/h.
What is the range of the Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement)? +
The Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) has a maximum range of 483 km.
How many crew does the Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) require? +
The Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) requires a crew of 2.
What engine does the Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) use? +
The Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) is powered by the Caterpillar C-12 11.9-litre 6-cylinder inline water-cooled diesel.
What is the Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) used for? +
The Oshkosh Defense MTVR (Medium Tactical Vehicle Replacement) is a transport & tanker typically used for logistics, infantry combat.
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