M1922 Mark X Self Propelled Artillery

The M1922 Mark  X, nicknamed "Slo Poke" was an experimental 4.7 inch gun on a Caterpillar chassis.
Variants:
1.
Name: M1922 Mark X "Slo Poke"
Type: Self Propelled Artillery
Origin: United States
Year: ~1922
Produced: 1

Length: ???
Width: ???
Height: ???
Weight: ??
Speed: ???

Crew: ???

Primary Armament:
-120 mm Model 1920
Secondary Armament:
-None

Gun Flexibility: °

Armor:
???

Sources:
http://www.americanheritage.com/category/collection-keywords/m1922-gun