February 5, 2023

Early Ford Axle Identification

Early Ford Axle Identification

This article will cover Ford axles from 1928-52 passenger cars & pickups. Keep in mind, this is for Ford cars & pickups only. Trucks and other makes such as Lincoln do not apply.

Ford Model A Axle

Spring Perch Boss = 2.25"
Perch Boss Center to Center = 36.5"
Kingpin Center - Center = 50.5"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 1"
Passenger Car & Pickup

1932 Ford "Heavy" Axle

Spring Perch Boss = 2"
Perch Boss Center to Center = 36.5"
Kingpin Center - Center = 50.5"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.1875"
Passenger Car & Pickup

1933 - 1936 Axle

Spring Perch Boss = 2"
Perch Boss Center to Center = 36.5"
Kingpin Center - Center = 50.5"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.1875"
Passenger Car & Pickup

1937-1940 V8-60 Tube Axle

Spring Perch Boss = 2.25"
Perch Boss Center to Center = 38.5"
Kingpin Center - Center = 48.5"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.1875”
Passenger Car & Pickup Equipped with V8-60 Only

1937 - 1941 Axle

Spring Perch Boss = 2.25"
Perch Boss Center to Center = 38.5"
Kingpin Center - Center = 48.5"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.1875"
Passenger Car & Pickup

1942 - 1948 Axle

Spring Perch Boss = 2.25"
Perch Boss Center to Center = 41"
Kingpin Center - Center = 50.75"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.25"
Passenger Car Only

1942 - 1947 Pickup Axle

Kingpin Center - Center = 50.75"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.25"
Pickup Truck Only

1948-1952 Pickup Axle

Kingpin Center - Center = 50.75"
Kingpin Diameter = 0.8125"
Kingpin Boss = 2.375"
Factory Drop = 2.25"
Shock Mount Holes
Pickup Truck Only

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