StartTrucks over 7.5 tMack › FM

Mack FM

Built: 1979-1979 · Series: Other models

The FM comes from Mack. Production: 1979. The engine has 6 cylinders, with a displacement of 13,795 cm³. The machine is 6,420 mm long and 2,550 mm wide. The unladen weight is 8,090 kg. The wheelbase measures 4,250 mm. The gross vehicle weight is 25,000 kg. The machine runs on 6 wheels. Unladen weight across the Mack range ranges from 2,370 to 19,510 kg; the FM sits in the lower part of that range with 8,090 kg. Its immediate neighbours are the B53 below it with 8,089 kg and the B61S above it with 8,200 kg. 137 Mack models across 57 series are on record. The model is listed under Trucks over 7.5 t. 10 verified figures from 2 sources are on file.

Technical data

Engine

Cylinders6correct
Displacement13,795 cm³correct

Dimensions and weights

Length6,420 mmcorrect
Width2,550 mmcorrect
Wheelbase4,250 mmcorrect
Unladen weight8,090 kgcorrect
Gross vehicle weight25,000 kgcorrect

Drivetrain and chassis

Wheels6correct

Frequently asked questions

How much does the Mack FM weigh?

The unladen weight is 8,090 kg.

What is the gross vehicle weight of the Mack FM?

25,000 kg.

What engine does the Mack FM have?

6 cylinders, 13,795 cm³ displacement.

What are the dimensions of the Mack FM?

6,420 mm × 2,550 mm.

When was the Mack FM built?

Production years: 1979.

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.
  • Check the weights in the papers against the figures here — attachments change them.
  • 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 10 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

The technical data on this page comes from official vehicle registration records (RDW/Traficom), not from the manufacturer.

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Other models in this series

Sources: [1] [2]

Truck in 3D section

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