International MaxxPro

A Maxxpro Mine-Resistant Ambush Protected vehicle, manufactured by Navistar, heads out on patrol at Camp Phoenix, Afghanistan, July 28, 2009.

The International MaxxPro MRAP (Mine Resistant Ambush Protected) vehicle is an armored fighting vehicle designed by American company Navistar International's subsidiary Navistar Defense along with the Israeli Plasan Sasa, who designed and manufactures the vehicle's armor. The vehicle was designed to take part in the US Military's Mine Resistant Ambush Protected vehicle program, led by the US Marine Corps, as well as a similar Army-led program, the Medium Mine Protected Vehicle.

MRAPs are categorized as category 1 or category 2, depending on usage and passenger compartment space, and Navistar produces the MaxxPro in both sizes, although the vast majority of those sold have been category 1 MRAPs. The MaxxPro Plus model comes with dual rear wheels for increased load carrying capacity, such as an ambulance or EFP protected variant. The latest model produced is the MaxxPro Dash, which is a smaller and lighter category 1 model. Both the Plus and Dash models use the MaxxForce 10 engine with 375 hp, in place of the DT 530 with 330 hp, used in the original base model produced.

The MaxxPro utilizes a crew capsule with a V-shaped hull, mounted on an International WorkStar 7000 chassis. The V-hull deflects the blast of a land mine or improvised explosive device (IED) away from the vehicle to protect its occupants. Because the chassis is mounted outside the armored crew capsule, there are concerns that it will likely be destroyed in the event of an ambush, leaving the soldiers inside stranded. However, according to Navistar Defense spokesperson Roy Wiley, the MaxxPro "did extremely well during the tests, and we are extremely pleased." This design may prove as effective as the Krauss-Maffei Wegmann ATF Dingo that uses a similar design, one which mounts an armored capsule to a Unimog chassis. This design has survived a 7 kg (15 lb) land mine blast with no injuries.

According to Navistar Defense, the vehicle is designed with operational readiness in mind and utilizes standardized, easily available parts, to ensure rapid repair and maintenance. The armored body is bolted together instead of welded, as in other MRAPs. This facilitates repair in the field and is a contributing factor to Navistar's greater production capacity for the MaxxPro.

Specifications
Weight	CAT I: 28,000-29,500 lbs (12,7 - 13,4 t) CAT II: 30,000-32,000 lbs (13,6 - 14,5 t)
Length	21.17- 23.5 ft(6.5 - 7.2 m)
Width	8.25 ft(2.5 m)
Height	10 ft (3 m)
Crew	3-7
Engine	9.3L, 570 cubic inches MaxxForce D9.3I6 I6 330 hp @ 2,100 rpm; 375 hp in Plus and Dash variants
Power/weight	18.9 - 20 hp/US ton
Payload capacity	3,650-11,150 lbs (1,6 - 5 t)
Transmission	Allison 3000 5-speed automatic
Suspension	4x4, wheeled Semi-elliptical leaf springs
Ground clearance	14" (0.35 m)

Source

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