Scania R420 LB6X2HHZ
Built: 2005 · Series: R420
More machines from model year 2005
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The R420 series from Scania includes the R420 LB6X2HHZ. Production: 2005. The engine delivers 309 kW, has 6 cylinders, with a displacement of 11,705 cm³. The vehicle is 8,300 mm long and 2,540 mm wide. The unladen weight is 12,800 kg. The gross vehicle weight is 27,000 kg. The R420 series covers 9 models. 11893 Scania models across 91 series are on record.
Scania presented the PRT range on 31 March 2004 as the successor to the 4-series. The letter stands for the cab, here the high cab (R); the number in the type name gives the output in PS rounded to the nearest ten. The R cab is the taller variant for long haul; the engines range from the six-cylinder DC13 with 12.7 litres up to the V8 DC16. For body builders and used-vehicle buyers, length, width, kerb weight and gross vehicle weight are the key figures for checking body, payload and registration; different chassis and wheelbase variants within the same type series shift these values noticeably.
Scania R420 – high-output 4-series with R-cab: 12-litre inline-six rated around 309 kW, multi-axle chassis for combination haulage, gross weights up to 47,200 kg
The Scania R420 also comes from the 4-series programme launched in 1995 with the R-cab for long-haul work; the number 420 denotes engine output in horsepower under Scania's convention, rather than the engine family as in the smaller series. The R420 is powered by Scania's twelve-litre inline six, which at this output level produces around 309 kW. The axle formulas in the model names – 6X2, 6X4, 8X4 – indicate three- and four-axle chassis with varying numbers of driven axles, typical of heavy haulage and timber transport in Scandinavia.
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The register lists 9 versions with around 309 kW from six-cylinder engines of 11,700 to 12,742 cc. Kerb weights range from 7,960 to 22,570 kg, gross vehicle weights from 18,600 to 47,200 kg; the latter figure corresponds to multi-axle chassis for trailer or semi-trailer combinations. Lengths run from 6,155 to 11,650 mm, widths from 2,500 to 2,600 mm.
At 309 kW, the R420 was among the more powerful variants of the 4-series and was aimed at heavy long-haul and construction transport, and, in multi-axle form, at Scandinavian combination haulage with trailers exceeding the standard 40-tonne limit. Competitors included the Volvo FH12/FH16 and the heavier versions from MAN and Mercedes-Benz.
On used examples, it is worth checking the frame and trailer coupling for cracks, particularly on multi-axle construction and timber-transport chassis with high drawbar loads. The twelve-litre engine calls for checks of the turbocharger, charge-air cooler and injection system; the brakes should be inspected especially carefully given the high gross weights. Parts are well supported through Scania's service network, and the robust 4-series platform is also routinely serviced by independent workshops.
Sources: SpecCodex register, model data: Scania R420, Scania (manufacturer)
Technical data
Engine
| Power | 309 kWcorrect |
|---|---|
| Cylinders | 6correct |
| Displacement | 11,705 cm³correct |
Dimensions and weights
| Length | 8,300 mmcorrect |
|---|---|
| Width | 2,540 mmcorrect |
| Unladen weight | 12,800 kgcorrect |
| Gross vehicle weight | 27,000 kgcorrect |
Where this model stands
Power-to-weight ratio: 24.1 kW/t (309 kW / 12.8 t)
Stronger than 57% of the trucks in the register — out of 25,242 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Scania R420 LB6X2HHZ have?
The Scania R420 LB6X2HHZ delivers 309 kW.
How much does the Scania R420 LB6X2HHZ weigh?
The unladen weight is 12,800 kg.
What is the gross vehicle weight of the Scania R420 LB6X2HHZ?
27,000 kg.
What engine does the Scania R420 LB6X2HHZ have?
6 cylinders, 11,705 cm³ displacement.
What are the dimensions of the Scania R420 LB6X2HHZ?
8,300 mm × 2,540 mm.
When was the Scania R420 LB6X2HHZ built?
Production years: 2005.
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 8 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: Traficom — Finnish vehicle register (retrieved August 2026) · Wikipedia (CC BY-SA 4.0) (retrieved October 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data
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