M46 Patton

🇺🇸United States
Detroit Tank Plant
1949 – Present
Overview
M46 Patton
The M46 Patton is an American medium tank developed at the Detroit Tank Plant as an improved postwar evolution of the M26 Pershing, with rolled and cast steel armor, a 5-man crew, and a 130km range.
Specifications

General

Crew5
Range Km130 km
Armor TypeRolled and cast homogeneous steel
Max Speed Kmh48 km/h
Weight Tonnes44 tonnes
Engine Power Hp810 hp
Secondary ArmamentTwo .30 cal (7.62 mm) M1919A4 Browning machine guns, One .50 cal (12.7 mm) M2 machine gun
Main Gun Caliber Mm90 mm
Research Notes

Postwar bridge from Pershing to the Patton tank line

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M46 Patton matters because it modernized the M26 Pershing concept for early Cold War armored forces.

The M46 Patton was a transitional tank. It took the late World War II Pershing foundation and improved powertrain and automotive performance for the early Cold War battlefield.

That makes it important even though it was quickly followed by newer Patton designs. It helped the U.S. Army move from wartime medium/heavy tank categories toward a more modern tank family.

For HiWars, M46 should be framed as a bridge between World War II armored lessons and the Korean War-era Patton lineage.

Korean War context exposed the need for better mobility and reliability

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M46 value came from improving practical field performance rather than creating a revolutionary tank.

The M46 belonged to a period when the U.S. Army needed tanks that could operate reliably over difficult terrain and respond to early Cold War threats. Improvements in engine and transmission mattered because mobility and readiness were persistent problems for older vehicles.

In combat and training, a tank must be judged by how often it can move, fight, and be maintained. The M46 illustrates that automotive improvements can be as important as gun or armor changes.

A richer page should explain M46 as a modernization step with practical battlefield value, not just a short-lived model number.

Set the stage for M47 and M48 Patton development

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The M46 helped establish a design path that continued through later U.S. Cold War armor.

Although the M46 was not the final answer for U.S. tank modernization, it helped shape the Patton series path. Later M47 and M48 designs addressed turret, fire-control, hull, and production needs more fully.

This legacy matters because armored development is iterative. Armies often field interim vehicles while more complete solutions mature.

For HiWars, M46 should connect to M26 Pershing, M47, M48, Korean War armored operations, and the early Cold War search for a standard U.S. main battle tank.

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