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

Sisu E18T – specifications

Built: 2005-2006 · Series: Trucks over 12 t (Class N3)

Data for the version built 2005-2006 · Data origin: Official register · sources

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With the E18T, Sisu offers a model from the Trucks over 12 t (Class N3) series. Production: 2005-2006. The engine delivers 522 kW, with a displacement of 18,120 cm³. The vehicle is 10,300 mm long and 2,550 mm wide. The unladen weight is 14,500 kg. The gross vehicle weight is 29,000 kg. The Trucks over 12 t (Class N3) series covers 259 models. Rated output within it ranges from 94 to 530 kW; the E18T sits at the top of that range with 522 kW. Its immediate neighbours are the SISU4N3 below it with 466 kW and the E14MK-APP-8X2/335+140+130 above it with 530 kW. Unladen weight within it ranges from 5,375 to 33,140 kg; here the E18T sits in the lower part of that range with 14,500 kg. 1416 Sisu models across 44 series are on record.

Sisu trucks over 12 tonnes (class N3) – Finnish specialist for timber haulage, construction and military use from Karjaa: E, C and D series with axle formulas up to 10X4, 94 to 530 kW, gross weights up to 72 tonnes

Sisu Auto is a Finnish niche manufacturer of heavy trucks with a plant at Karjaa (Raseborg), supplying mainly the timber-haulage, construction and Finnish military sectors with specialist vehicles; the brand descends from the former Vanaja/Sisu group and has operated under Finnish ownership since the 2010s. Type designations in the register follow no single pattern across the series but combine a series code (E, C, D, CK, CM) with an axle formula (6X2, 6X4, 8X2, 8X4, 10X4) and in places power figures; letter strings such as AKK or KKA denote drive and axle configurations for heavy combination transport under Sisu's factory naming.

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The register lists 259 versions with 94 to 530 kW output, displacements of 4,180 to 18,130 cm³ across 4 to 8 cylinders, unladen weights of 5,375 to 33,140 kg, gross weights of 12,050 to 72,160 kg and lengths of 5,370 to 13,400 mm at 2,280 to 2,800 mm width; the high gross weights of over 70 tonnes reflect Sisu's specialisation in heavy timber and abnormal-load haulage using multi-axle combinations.

As a niche manufacturer, Sisu competes in the Finnish and Nordic market less with the large European volume makers and more with suppliers specialising in bespoke solutions; the vehicles are built for extreme winter reliability, high payloads and long service life in forestry and construction work.

On used Sisu trucks, what particularly counts is the condition of the frame and crane bodies on forestry vehicles, the axles and differential locks on multi-axle combinations, engine and gearbox wear given the high operating hours typical of forestry work, and the limited but specialised parts supply through Finnish Sisu workshops.

Sources: SpecCodex register, model data: Sisu Lkw Klasse N3, Sisu Auto (manufacturer)

Technical data

Engine

Power522 kWcorrect
Displacement18,120 cm³correct

Dimensions and weights

Length10,300 mmcorrect
Width2,550 mmcorrect
Unladen weight14,500 kgcorrect
Gross vehicle weight29,000 kgcorrect

Frequently asked questions

How much power does the Sisu E18T have?

The Sisu E18T delivers 522 kW.

How much does the Sisu E18T weigh?

The unladen weight is 14,500 kg.

What is the gross vehicle weight of the Sisu E18T?

29,000 kg.

What engine does the Sisu E18T have?

18,120 cm³ displacement.

What are the dimensions of the Sisu E18T?

10,300 mm × 2,550 mm.

When was the Sisu E18T built?

Production years: 2005-2006.

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 7 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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Sources: Traficom — Finnish vehicle register (retrieved August 2026) · Data sources and cross-checks

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