Technical register for agricultural, construction and commercial machinery · sourced data

Am General M939 series

Built: 1982-1989 · Series: Other models

More machines from model year 1982

Source: cults3d.com

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The Am General, Bmy M939 series is a machine built by Am General, Bmy. Production: 1982-1989. Transmission: Allison 5 speed automatic gearbox; 2-speed transfer case.

Technical data

Engine

EngineCummins NHC-250 (M939/M939A1); Cummins 6CTA8.3 (M939A2); 240 hpcorrect

Dimensions and weights

Length307.4 in (7,808 mm)correct
Width97.5 in (2476.5 mm)correct
Height115 in (2,921 mm)correct
Unladen weight21,470 lbcorrect

Drivetrain and chassis

GearboxAllison 5 speed automatic gearbox; 2-speed transfer casecorrect

Origin and approval

Body2-door General Utility Truckcorrect

Frequently asked questions

When was the Am General M939 series built?

Production years: 1982-1989.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Shift the gearbox cold and warm — jumps only show up at temperature.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 9 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Sources: Tractor & Construction Plant Wiki (CC BY-SA 3.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data

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