Technical register for agricultural, construction and commercial machinery · sourced data
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Sisu LP-138 CVT/4000

Built: 1974 · Series: LP-138

More machines from model year 1974

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The LP-138 series from Sisu includes the LP-138 CVT/4000. Production: 1974. The engine has 6 cylinders, with a displacement of 6,540 cm³. The vehicle is 2,500 mm wide. The unladen weight is 7,700 kg. The gearbox offers 4 gears. The LP-138 series covers 5 models. Unladen weight within it ranges from 5,800 to 7,960 kg; the LP-138 CVT/4000 sits at the top of that range with 7,700 kg. Its immediate neighbours are the LP-138 CVT/4400 below it with 6,400 kg and the LP-138 CIT/4000 above it with 7,960 kg. 1416 Sisu models across 44 series are on record.

Sisu LP-138 – the collective page of the Finnish Sisu truck type in the register: six-cylinder diesel of 4,180 to 6,600 cm³, 110 to 116 kW, gross weights of 14 to 15 tonnes

This page gathers the Sisu LP-138 – medium-heavy trucks from the Finnish maker Sisu of Karis (Karjaa) in southern Finland. The type designation LP-138 follows the maker's own system of range code and number; the individual model names with suffixes such as BIT, CIT or CVT denote different cab and drivetrain versions of the same base type.

Read on 3 more paragraphs

The register lists here 5 versions with 110 to 116 kW from six-cylinders of 4,180 to 6,600 cm³, unladen weights from 5,800 to 7,960 kg, gross weights from 14,000 to 15,000 kg, lengths from 6,850 to 8,650 mm and widths from 2,450 to 2,500 mm.

With a gross weight of around 14 to 15 tonnes, the LP-138 belongs to the mid-range of construction-site and distribution vehicles, used in Finland's construction and municipal sector as well as forestry for flatbed, tipper or loader-crane bodies. With types like this, Sisu served the niche between light distribution trucks and the big long-haul machines, favoured by operators who needed a chassis able to cope with unsurfaced roads and Nordic winters.

On a used example, the condition and mileage of the six-cylinder diesel, wear on clutch and gearbox, the condition of frame and body, and corrosion on cab and mudguards all matter. Drivetrain and chassis parts run through the Finnish Sisu service network, body parts through the respective body builders.

Sources: SpecCodex register, model data: Sisu LP-138, Zulassungsdaten Traficom (Finnland)

Technical data

Engine

Cylinders6correct
Displacement6,540 cm³correct

Dimensions and weights

Width2,500 mmcorrect
Unladen weight7,700 kgcorrect

Drivetrain and chassis

Gears4correct

Frequently asked questions

How much does the Sisu LP-138 CVT/4000 weigh?

The unladen weight is 7,700 kg.

What engine does the Sisu LP-138 CVT/4000 have?

6 cylinders, 6,540 cm³ displacement.

When was the Sisu LP-138 CVT/4000 built?

Production years: 1974.

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 6 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.

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: Traficom — Finnish vehicle register (retrieved August 2026) · How we check the data

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