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Renault 55-12 LB

Built: 3/1987–10/1998 · Series: LB-Baureihe

More machines from model year 1987

Source: https://www.kleinanzeigen.de/s-anzeige/traktor-renault-r55-o

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With the 55-12 LB, Renault offers a model from the LB series. Production: 3/1987–10/1998. The engine delivers 52 hp (38.3 kW), has 3 cylinders, with a displacement of 2,827 cm³. Torque is 166 Nm. Rated speed is 2,350 rpm. The machine is 3,530 mm long, 1,645 mm wide and 2,280 mm high. The unladen weight is 2,090 kg. The wheelbase measures 1,980 mm. Ground clearance is 370 mm. Top speed is 30 km/h. The tank holds 62 litres. The engine is air-cooled. Tyres: front 7.50-16 ASF, rear 14.9-28 AS. The fuel is diesel. The bore measures 100 mm. The stroke is 120 mm. The compression ratio is 17:1. Maximum torque is reached at 1,460 rpm. Construction: unit construction (no separate frame). The gearbox offers 12 forward gears. There are also 12 reverse gears. The linkage is category I. Around 393 units were built. The LB-Baureihe series covers 5 models. Rated output within it ranges from 45 to 67 hp; the 55-12 LB sits in the lower part of that range with 52 hp. Its immediate neighbours are the 50-12 LB below it with 45 hp and the 551/551.4 above it with 55 hp. Unladen weight within it ranges from 2,005 to 2,500 kg; here the 55-12 LB sits in the lower part of that range with 2,090 kg. 3632 Renault models across 98 series are on record.

Renault LB range – five compact field tractors from Le Mans, the 50-12 LB to the 70-14 LB, three- and four-cylinder engines of 33.1 to 49.3 kW, 45 to 67 hp

The Renault LB range complemented the TS series in the lower and mid power segment and was likewise built at the Renault plant in Le Mans; the register lists here the 50-12 LB, 55-12 LB, 55-14 LB, 551/551.4 and 70-14 LB. As with the TS series, the first figure in the type designation names the power class in hp, the second the number of speeds.

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The register lists here five versions with 33.1 to 49.3 kW, or 45 to 67 hp, from three- or four-cylinder engines of 2,827 to 3,770 cm³ displacement, torque from 145 to 222 Nm, unladen weights from 2,005 to 2,500 kg, lengths from 3,524 to 3,745 mm, widths from 1,615 to 1,678 mm and heights from 2,255 to 2,400 mm at a rated speed of 2,350 rpm.

As compact field tractors, the LB range was aimed at smaller and medium farms and in Renault's programme of the time covered the segment below the larger TS models, competing with comparable ranges from Fiat, Massey Ferguson and Deutz.

When buying used, the condition of the injection pump and cooling system, wear on clutch and gearbox and corrosion on wings and sheet-metal parts matter; spare parts for this Renault generation are stocked by specialist farm-machinery dealers and parts traders for historic Renault equipment. They suited farms with limited yard access particularly well, where the more compact dimensions offered an advantage over the TS range.

Sources: SpecCodex register, model data: Renault LB-Baureihe

Technical data

Engine

Fuel	dieselcorrect
Power	52 hp (38.3 kW)correct
Rated speed	2,350 rpmcorrect
Torque	166 Nmcorrect
Speed at max. torque	1,460 rpmcorrect
Cylinders	3correct
Displacement	2,827 cm³correct
Bore	100 mmcorrect
Stroke	120 mmcorrect
Compression ratio	17correct
Cooling	air-cooledcorrect

Dimensions and weights

Length	3,530 mmcorrect
Width	1,645 mmcorrect
Height	2,280 mmcorrect
Wheelbase	1,980 mmcorrect
Ground clearance	370 mmcorrect
Unladen weight	2,090 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	12 Vorwärts- und 12 Rückwärtsgängecorrect
Forward gears	12correct
Reverse gears	12correct
Front tyres	7.50-16 ASFcorrect
Rear tyres	14.9-28 AScorrect
Top speed	30 km/hcorrect

Working data

Fuel tank capacity	62 lcorrect

Origin and approval

Construction	unit construction (no separate frame)correct
Units built	393correct

Other data

Linkage category	Cat Icorrect

Where this model stands

Power-to-weight ratio: 18.3 kW/t (38 kW / 2.1 t)

Power class: Universal (40–100 hp)

Stronger than 36% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Renault 55-12 LB have?

The Renault 55-12 LB delivers 52 hp.

How much does the Renault 55-12 LB weigh?

The unladen weight is 2,090 kg.

What engine does the Renault 55-12 LB have?

3 cylinders, 2,827 cm³ displacement, Diesel.

How fast does the Renault 55-12 LB go?

Top speed is 30 km/h.

What are the dimensions of the Renault 55-12 LB?

3,530 mm × 1,645 mm × 2,280 mm.

When was the Renault 55-12 LB built?

Production years: 3/1987–10/1998.

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.
Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
Shift the gearbox cold and warm — jumps only show up at temperature.
Load the hydraulics and watch for sag.
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 30 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.

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