M9A1 HalfTrack - WalkAround

М9А1
Країні	Сша
Тип	Напівдоріжка
Тему	Альбом 47 фотографії прогулянки навколо М9А1

Photo gallery of a M9A1 HalfTrack, The М9А1 resulted from the fact that White and Autocar could not keep pace with the demand for half-track cars, and was analogous to the M2 half-track. M9A1s differed in several respects from the M2A1, however. M9A1s lacked the side ammunition compartments, featured rear doors, the fenders on the M9A1s were flat in cross-section, and unlike the M2A1 the M9A1’s body was the same length as the M5’s, its personnel carrier counterpart. The M9A1 also never had the large fender-mounted headlights. International Harvester used rolled homogeneous steel armor on their vehicles, which allowed plates to be welded together, giving IHC’s half-tracks a smoother appearance than the bolted half-tracks.

Джерело: Afvdb

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У 201 M9A1 Half-Track Car was a variant of the M5 Half-Track produced by International Harvester (IHC) primarily for Lend-Lease to Allied nations during World War II, complementing the M2 and M3 Half-Tracks built by other manufacturers for US Army service. It served mainly as an armored personnel carrier and scout car.

Key Specifications and Features (M9A1)

Characteristic	Detail
Роль	Armored Personnel Carrier (APC) / Scout Car
Виробник	International Harvester (IHC)
Crew / Capacity	3 Crew + 10 Troops
Weight (Combat)	Approx. 9.6 tonnes (21,200 lbs)
Engine / Speed	IHC RED-450-B 6-cyl gasoline engine (141 hp) / Max. 42 mph (68 km/h)
Armor	Rolled Homogeneous Steel (approx. 8–16 mm)
Основне озброєння	1 × .50 cal (12.7 mm) M2HB machine gun on an M49 Ring Mount
Другорядне озброєння	1 or 2 × .30 cal (7.62 mm) M1919A4 machine guns on pintle mounts

Design & Operational Context

The M9A1 was developed as an export version analogous to the US Army’s M2A1 Half-Track Car, but was based on the longer M5 chassis (similar length to the M3 APC). The key difference between the M9A1 and its M2/M2A1 counterparts were:

It featured rear access doors for the troop compartment, unlike the standard M2.
It used a different type of armor (Rolled Homogeneous Steel) which, though thicker, offered slightly less ballistic protection than the face-hardened armor on the M2/M3. This IHC armor gave it distinguishing rounded rear corners.
It was fitted with the **M49 machine gun ring mount** over the co-driver’s seat, allowing a .50 cal machine gun 360-degree traverse, which was the key update over the base M9 model.

The M9A1 was widely supplied to Allies, particularly the French and British forces, who valued the vehicle for its role in transporting infantry squads, providing fire support, and acting as a motorized artillery prime mover during the Western Front and beyond. It was a rugged and reliable, though lightly armored, part of the Allied armored transport fleet.