Makes › Willys United States › Americar (1940-1941) · Rare production · 1941–1942

Willys
Americar (1940-1941)

Five built on 440 coupe chassis in 1940 and five on 441 in 1941

Still being researched: identification guide, full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.

Willys Americar (1940-1941) (Wikimedia Commons search)
Willys Americar (1940-1941) (Wikimedia Commons search)
Photo: Jeremy from Sydney, Australia · CC BY 2.0
?ProductionNot yet verified
0Chassis documentedin this archive
?SurvivingNot yet verified
Contents
  1. 01Overview
  2. 02Production & history
  3. 03Specifications
  4. 04Colours & options
  5. 05Individual cars
  6. 06Reference

01Overview

At a glance

Built
Not yet verified
Years
1941–1942
Engine
Go-Devil 4-cylinder
Power
47 kW / 63.9 PSFactory: 63 hp · converted
Top speed
Not yet verified
Body
Not yet verified
Designer
Not yet verified
In this archive
Not yet verified
Surviving
Not yet verified

Sources and any conflicting figures are in the sections below.

Why it matters

The Americar was Willys-Overland's last civilian car before wartime production. It was a light full-size car, and its four-cylinder engine was also used in the Jeep.

How rare is it?

Six separate kinds of rarity – never combined into one number.

Model rarityNot yet assessed Production figure not yet verified.
Specification rarityNot yet assessed
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

Photos

Exterior, interior and detail photos with their licences.

02Production & history

Production

Every figure says what it counts.

No production figures recorded yet.

History

The Americar 441 appeared in 1941 and the 442 followed in 1942. Body styles included two-door coupes, a limited number of three-door woodie wagons, a four-door sedan and a pickup. After the war Willys did not return to passenger cars and built utility vehicles instead.

Variants

How each version differs from the standard Americar (1940-1941).

No variants documented yet. Have a source? Contribute it.

03Specifications

Technical specifications

Engine

Engine familyGo-Devil 4-cylinder1 Independently researched
Engine codeNot yet verified
LayoutNot yet verified
Cylinders41 Independently researched
DisplacementNot yet verified
Bore 79.38 mmFactory: 3.125 in · converted1 Independently researchedWritten as 3-1/8 in in the source.
Stroke 111.1 mmFactory: 4.375 in · converted1 Independently researchedWritten as 4-3/8 in in the source.
Compression ratioNot yet verified
Fuel systemNot yet verified
Power 47 kW / 63.9 PSFactory: 63 hp · converted1 Independently researchedRating standard not stated. The same source gives 61 bhp for the Jeep engine.
Power atNot yet verified
TorqueNot yet verified

Transmission & drivetrain

GearboxNot yet verified
GearsNot yet verified
Driven wheelsNot yet verified

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionNot yet verified
Rear suspensionNot yet verified
BrakesNot yet verified
SteeringNot yet verified
Body constructionNot yet verified
Wheelbase 2,640 mmFactory: 104 in · converted1 Independently researched
LengthNot yet verified
WidthNot yet verified
HeightNot yet verified
Front trackNot yet verified
Rear trackNot yet verified
Kerb weightNot yet verified
Dry weightNot yet verified

Performance

Maximum speedNot yet verified
0–100 km/hNot yet verified
Fuel tankNot yet verified

“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.

04Colours & options

Factory colours & interiors

Original paint and trim, with the number of cars in each where a source gives it.

Not yet documented. Have a source? Contribute it.

Factory options & codes

Codes are shown exactly as written by the manufacturer.

Not yet documented. Have a source? Contribute it.

05Individual cars

Chassis register

Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.

Not yet documented. Have a source? Contribute it.

Competition history

Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

Auction & sale history

Documented public sales of the individual cars. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

See one in person

Museums where an example of this car can be seen.

No example is documented on public display yet. Have a source? Contribute it.

06Reference

Identification guide

How to tell an original from a replica or later conversion.

Not yet documented. Have a source? Contribute it.

Sources

Each number links to the exact facts it supports.

  1. 1
    Willys-Overland History Level C Hot Rods Custom Stuff
    • "Go-Devil" 4-cylinder engine
    • 3-1/8 x 4-3/8 bore/stroke
    • The Americar version was rated at 63-bhp
    • The Americar had a 104-inch wheel base
    Accessed 2026-11-13