Ford Mutt M151A1C Jeep w/ M40 106-mm Recoilless Rifle

Nostalgistic · December 26, 2024, 8:42pm

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Ford M151A1C Jeep w/ M40 106-mm Recoilless Rifle

Hello everybody. I’d like to suggest the Ford M151A1C Jeep equipped with the M40A1 106-mm Recoilless Rifle as a potential addition to the US ground vehicles tech tree in War Thunder.

History

Background

The Ford M151, officially designated as the ¼-Ton 4x4 Utility Truck M151, was introduced in 1959 as the successor to the Korean War-era M38 and M38A1 jeeps. Commonly referred to as the MUTT (Military Utility Tactical Truck), the M151 represented a significant advancement in light utility vehicles for the US military.

Development of the M151 began in 1951 when Ford Motor Company was awarded a contract to create a lighter, more robust replacement for the aging M38 and M38A1 models. Testing and prototyping continued throughout the 1950s, leading to a vehicle that retained the general appearance of its predecessors but featured substantial improvements in design and performance.

One of the major innovations in the M151 was its unibody construction, which combined the box frame rails and steel body into a single integrated structure. This new approach resulted in a lighter yet stronger design capable of housing a more powerful gasoline engine. The vehicle also introduced fully independent suspension with coil springs, which provided superior maneuverability, agility, and a smoother ride compared to earlier models. Additionally, the M151’s dimensions were slightly larger than its predecessors, offering more interior space for the driver and passengers while maintaining its lightweight and compact form.

A key visual distinction between the M151 and its predecessors was the horizontal grille. Unlike the Willys MB, M38, and M38A1, which featured the iconic vertical-slot grille design, the M151 adopted a new grille to avoid trademark and copyright issues associated with the earlier Jeep designs.

Production of the M151 was approved in 1959, and the first units entered service in the early 1960s. By 1960, Ford had begun producing over 10,000 units for the US military, with production continuing until 1988. The M151 became the backbone of the military’s utility vehicle fleet, serving extensively in the Vietnam War and beyond. Its operational lifespan, extending into the late 1990s, exceeded the WWII and Korean War-era MB, M38, and M38A1 models combined. The M151 would ultimately be the last “jeep-like” light utility vehicle used by the US Army before being replaced by the larger and more versatile Humvee.

Ford M151A1C w/ M40 106-mm Recoilless Rifle

The M151A1C was a specialized variant of the M151 designed as a mobile anti-tank platform. It was equipped with the M40A1 106-mm recoilless rifle mounted on a pedestal, making it capable of engaging bunkers, field fortifications, and light armored vehicles. This variant was based on the M151A1, introduced in 1964, which featured upgrades to the rear suspension to accommodate heavier loads and better withstand harsh environments like those encountered in Vietnam. The reinforced suspension allowed the vehicle to carry the heavier M40A1 recoilless rifle and its accompanying ammunition.

The M151A1C differed from the base M151A1 in several ways. Modifications included a metal framework that supported two gunner/reloader seats near the recoilless rifle mount and provisions for carrying six ready rounds of ammunition, along with additional weapon tools. These changes transformed the M151A1C into a legitimate mobile weapons platform capable of providing infantry with significant firepower.

The M151A1C saw widespread use during the Vietnam War, as evidenced by numerous wartime photographs showing the vehicle in action. However, both the M151A1 and its specialized variants were plagued by a critical design flaw: the rear suspension’s swing axle geometry. This configuration caused significant camber changes during high-speed maneuvers or emergency steering, which often led to rollovers. The issue was especially pronounced in the M151A1C due to its stiffer rear springs and the heavier payload of the M40A1 recoilless rifle. As a result, strict speed restrictions were imposed, and the M151A1 series was banned from civilian highway use, effectively preventing the potential development of a civilian version. Reports from Vietnam noted numerous accidents, particularly in muddy or uneven terrain, attributed to the vehicle’s handling issues.

Recognizing the problems associated with the swing axle suspension, Ford introduced the M151A2 in 1969-1970. This upgraded version featured a redesigned rear suspension with a semi-trailing arm configuration, which significantly improved stability and eliminated the rollover problem. The M151A2 also introduced the M825, a recoilless rifle carrier variant that replaced the M151A1C. However, production of the M825 was limited, with only a small number of units manufactured and saw action in the Vietnam War.

Specifications

Ford M151A1C Jeep w/ M40 106-mm Recoilless Rifle

General Characteristics

Crew: 4

Dimensions:

Wheelbase: 85 in (216 cm)

Length: 143.5 in (363.2 cm)

Width: 76.5 in (194.3 cm)

Height: 77.2 in (196.1 cm)

Tire Size: 7.00 x 16

Weight:

Empty Weight: 2,580 lb (1,170 kg)

Gross (Off-Highway) Weight: 4,765 lb (2,160 kg)

Powertrain:

Inline 4-cylinder gasoline engine

Gross horsepower: 71 hp (53 kW) @ 4,000 rpm

Transmission Type: 4-speed + 1-reverse manual transmission single-speed, part-time transfer case

Performance:

Net Horsepower: 65 hp @ 4,000 rpm

Maximum speeds:

4th Gear: 50 mph (80 km/h)

3rd Gear: 40 mph (64 km/h)

2nd Gear: 21 mph (34 km/h)

1st Gear: 11 mph (18 km/h)

Reverse Gear: 9 mph (14 km/h)

Armament & Armor

Main Gun:

1 x M40A1 Recoilless Rifle

Caliber: 106 mm

Ammo Type: 105 x 607 mm R HEAT warhead

Effective Firing Range: 1,480 yds (1.35 km)

Velocity: 1,650 ft/s (503 m/s)

Armor Penetration: over 400 mm of armor

Additional Ammo Types: HEP, HEAP, and Canister

Secondary Gun:

1 x M8C Spotting Rifle

Caliber: 0.50 in (12.7 mm)

Ammo Type: 12.7 x 77 mm tracer projectile

Belt Capacity: 20 rounds

Armor:

No armor or any additional armor plates were fitted.