Sun Motor Tester, 1945-1955

01

Artifact Overview

A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.

Artifact Details

Artifact

Measuring device (Instrument)

Date Made

1945-1955

Collection Title

Location

Not on exhibit to the public.

Object ID

2009.171.16

Credit

From the Collections of The Henry Ford. Gift of Bobby and Lisa Unser.

Material

Metal
Rubber (Material)
Glass (Material)
Plastic

Technique

Casting (Process)

Color

Gray (Color)
Black (Color)
Red
Blue
Orange (Color)
White (Color)

Dimensions

Height: 59 in
Width: 32.5 in
Length: 20.5 in

Inscriptions

On crest: SUN/ MOTOR TESTER On identification plates: SUN ELECTRIC/ CORPORATION/ 6323 AVONDALE AVE./ CHICAGO-31-ILL., U.S.A. On identification plate: SUN MOTOR TESTER/ MASTER MODEL/ OPERATING VOLTAGE 12/ SERIAL NUMBER MMT 48332 On front door: SUN/ DIAGNOSIS/ EQUIPMENT