Grdane Trail 7331 TRA 42
Built: 1990 · Series: Other models
More machines from model year 1990
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Grdane Trail 7331 TRA 42 – EU category O4 trailer: 27,000 kg gross weight, 7,860 kg unladen weight, 12,900 mm length, 8,800 mm wheelbase
With a gross weight of 27,000 kg, the 7331 TRA 42 falls into EU trailer category O4, the group of heavy trailers above 10 tonnes.
Read on 3 more paragraphs
Unladen weight is 7,860 kg, giving a payload of 19,140 kg – a good seven-tenths of the gross weight. Length stands at 12,900 mm, width at 2,600 mm and wheelbase at 8,800 mm; the axle group sits far back on a very long body.
Air brakes are required in this weight class; a mechanical overrun brake is no longer permitted above roughly 3.5 tonnes gross weight. The far-back wheelbase points to a trailer for long, bulky goods such as pipes, sections or construction machinery, where the load area stays free of axles over a large part of the vehicle's length. The tow vehicle would be a lorry or tractor unit requiring category CE.
On a used example, what counts is the condition of the brake system and linings, the tightness of the air lines, and rust at the frame, drawbar and axle mounts. With the wheelbase set this far back, it is also worth checking the frame for distortion in the front, unsupported section, which is exposed to greater bending stress under uneven loading. The pins and bushings where the drawbar attaches to the frame are also worth checking for wear, since they carry the full towing load at the far end of a long lever arm over the years. A recent inspection report is useful too.
Sources: SpecCodex-Register: Kennwerte des Modells Grdane Trail 7331 TRA 42
Technical data
Dimensions and weights
| Length | 12,900 mmcorrect |
|---|---|
| Width | 2,600 mmcorrect |
| Wheelbase | 8,800 mmcorrect |
| Unladen weight | 7,860 kgcorrect |
| Gross vehicle weight | 27,000 kgcorrect |
Drivetrain and chassis
| Top speed | 100 km/hcorrect |
|---|
Frequently asked questions
How much does the Grdane Trail 7331 TRA 42 weigh?
The unladen weight is 7,860 kg.
What is the gross vehicle weight of the Grdane Trail 7331 TRA 42?
27,000 kg.
Up to what speed is the Grdane Trail 7331 TRA 42 approved?
Approved up to 100 km/h.
What are the dimensions of the Grdane Trail 7331 TRA 42?
12,900 mm × 2,600 mm.
When was the Grdane Trail 7331 TRA 42 built?
Production years: 1990.
What to check before buying
- Search the frame and welds at the axle mounts — that is where cracks start.
- Check the brakes and the last inspection in the papers.
- Work the gross weight against the towing vehicle before buying.
- Compare the chassis number with the papers.
- Look at the floor, cover or body from the inside — rust does not show from outside.
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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Trailer in 3D section
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