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Renault 751 S

Built: 1979–1986 · Series: S-Serie

More machines from model year 1979

Source: http://www.technikboerse.com/fr/view/machine-d-occasion/trac

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The Renault 751 S is a model in the S series. Production: 1979–1986. The engine delivers 75 hp (55.2 kW), has 4 cylinders, with a displacement of 4,156 cm³. The engine comes from MWM. Torque is 242 Nm. Rated speed is 2,350 rpm. The machine is 3,814 mm long, 1,860 mm wide and 2,595 mm high. The unladen weight is 2,987 kg. The wheelbase measures 2,374 mm. Ground clearance is 455 mm. Top speed is 25 km/h. The tank holds 82 litres. Transmission: 12V/12R. The engine is water-cooled. Tyres: front 7.50-18 ASF, rear 16.9-34 AS. The model was built in France. The fuel is diesel. The bore measures 105 mm. The stroke is 120 mm. The compression ratio is 17.4:1. Maximum torque is reached at 1,377 rpm. Construction: unit construction (no separate frame). The gearbox offers 12 forward gears. There are also 12 reverse gears. The linkage is category I/II. The PTO runs at 540/1000 rpm. The S-Serie series covers 3 models. Rated output within it ranges from 46 to 75 hp; the 751 S sits at the top of that range with 75 hp. Its immediate neighbours are the 461 S below it with 46 hp. Unladen weight within it ranges from 2,034 to 3,640 kg; here the 751 S sits in the middle of that range with 2,987 kg. 3632 Renault models across 98 series are on record.

Renault S series – tractors 461 S and 751(-4) S from Le Mans, 34 to 55 kW, three- and four-cylinder engines of 2,827 to 4,156 cm³, some with MWM engines

The S series belongs to Renault Agriculture's classic tractor programme, built at the Le Mans plant in France; the types covered here, 461 S, 751 S and 751-4 S, show the four-digit type number typical of Renault's size ordering, while the 4 suffix on the 751-4 S marks four-wheel drive. For one model in the range the register records an engine from the maker MWM, used alongside Renault's own units.

Read on 3 more paragraphs

The register lists here 3 versions with 33.9 to 55.2 kW, or 46 to 75 hp, from three- and four-cylinder engines of 2,827 to 4,156 cm³, torque from 175 to 266 Nm, unladen weights from 2,034 to 3,640 kg, lengths from 3,449 to 4,031 mm, widths from 1,610 to 1,860 mm and heights from 2,360 to 2,595 mm.

With this power range the S series covered the mid-range segment of the Renault line-up and competed with the French and European mid-range tractors of the era, such as those from Massey Ferguson, Fiat and Deutz; the four-wheel-drive 751-4 S extended the field of use onto more demanding terrain.

On a used S-series tractor, the condition of the clutch and gearbox, rust on the chassis and sheet-metal panels, and the tightness of the hydraulics all count, and on the four-wheel-drive version also the condition of the front-axle gearing and drive shafts; parts for Renault's own engines must be sourced through specialist farm-machinery dealers.

Sources: SpecCodex register, model data: Renault S-Serie

Technical data

Engine

Engine make	MWMcorrect
Fuel	dieselcorrect
Power	75 hp (55.2 kW)correct
Rated speed	2,350 rpmcorrect
Torque	242 Nmcorrect
Speed at max. torque	1,377 rpmcorrect
Cylinders	4correct
Displacement	4,156 cm³correct
Bore	105 mmcorrect
Stroke	120 mmcorrect
Compression ratio	17.4correct
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,814 mmcorrect
Width	1,860 mmcorrect
Height	2,595 mmcorrect
Wheelbase	2,374 mmcorrect
Ground clearance	455 mmcorrect
Unladen weight	2,987 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	12V/12Rcorrect
Forward gears	12correct
Reverse gears	12correct
Front tyres	7.50-18 ASFcorrect
Rear tyres	16.9-34 AScorrect
Top speed	25 km/hcorrect

Working data

Fuel tank capacity	82 lcorrect

Origin and approval

Plant	Francecorrect
Construction	unit construction (no separate frame)correct

Other data

Linkage category	Cat I/IIcorrect
PTO speed	540/1000 rpmcorrect

Where this model stands

Power-to-weight ratio: 18.5 kW/t (55 kW / 3 t)

Power class: Universal (40–100 hp)

Stronger than 52% 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 751 S have?

The Renault 751 S delivers 75 hp.

How much does the Renault 751 S weigh?

The unladen weight is 2,987 kg.

What engine does the Renault 751 S have?

4 cylinders, 4,156 cm³ displacement, Diesel.

How fast does the Renault 751 S go?

Top speed is 25 km/h.

What are the dimensions of the Renault 751 S?

3,814 mm × 1,860 mm × 2,595 mm.

When was the Renault 751 S built?

Production years: 1979–1986.

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 33 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.

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