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Primus Titus U-35

Q: How much power does the Primus Titus U-35 have?

The Primus Titus U-35 delivers 35 hp.

Q: What engine does the Primus Titus U-35 have?

3 cylinders, 3,534 cm³ displacement, Diesel.

Q: What are the dimensions of the Primus Titus U-35?

3,000 mm × 1,750 mm × 1,650 mm.

Series: Titus-Serie

Source: https://commons.wikimedia.org/wiki/File:Primus-Titus.jpg

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The Primus Titus U-35 is a model in the Titus series. The engine delivers 35 hp (25.7 kW), has 3 cylinders, with a displacement of 3,534 cm³. Rated speed is 1,500 rpm. The machine is 3,000 mm long, 1,750 mm wide and 1,650 mm high. The unladen weight is 2,100 kg. The wheelbase measures 2,040 mm. Top speed is 20 km/h. Transmission: 5 V/1 R. The engine is water-cooled. Tyres: front 6.00-20 ASF, rear 11.25-24 AS. The fuel is diesel. The bore measures 100 mm. The stroke is 150 mm. Construction: unit construction (no separate frame). Injection pressure is 100 bar. Rated output across the Primus range ranges from 12 to 35 hp; the Titus U-35 sits at the top of that range with 35 hp. Its immediate neighbours are the PD-3 B below it with 30 hp. Rated output across the Primus range ranges from 8.8 to 25.7 kW; here the Titus U-35 sits at the top of that range with 25.7 kW. 7 Primus models across 3 series are on record.

Primus Titus series – from single-cylinder to three-cylinder: U-15 and U-35, 11 to 25.7 kW, 1,178 to 3,534 cc diesel, kerb weight 1,260 to 2,100 kg

The Titus series brings together two Primus tractors designated U-15 and U-35, whose designs differ markedly: the U-15 is a light single-cylinder machine for smaller areas, the U-35 a three-cylinder model for medium-heavy field work. The number in the type designation clearly tracks the power class, from the smaller to the larger model. Both engines run at a similar rated speed, pointing to a shared design philosophy despite the difference in cylinder count.

Read on 3 more paragraphs

The register lists 2 variants at 11 to 25.7 kW from single- to three-cylinder diesels of 1,178 to 3,534 cc, kerb weights of 1,260 to 2,100 kg, lengths of 2,500 to 3,000 mm, widths of 1,500 to 1,750 mm, heights of 1,560 to 1,650 mm and a rated 1,500 to 1,600 rpm.

With this spread, the Titus series covered the transition from a small yard tractor to a fully-fledged mid-power field tractor, addressing a broad range of farms of different sizes, from part-time smallholdings to operations with regular field work.

On both models, compression and the condition of the injection pump matter, along with the clutch and gearbox and rust on wings and sheet metal; on a test drive the brakes should pull evenly without play. Given the low production numbers of this range, parts are mostly sourced through specialist vintage dealers and custom remanufacture, which tends to stretch out restoration times compared with more common makes.

Sources: SpecCodex register, model data: Primus Titus-Serie

Technical data

Engine

Fuel	dieselcorrect
Power	35 hp (25.7 kW)correct
Rated speed	1,500 rpmcorrect
Cylinders	3correct
Displacement	3,534 cm³correct
Bore	100 mmcorrect
Stroke	150 mmcorrect
Injection pressure	100 barcorrect
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,000 mmcorrect
Width	1,750 mmcorrect
Height	1,650 mmcorrect
Wheelbase	2,040 mmcorrect
Unladen weight	2,100 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	5 V/1 Rcorrect
Front tyres	6.00-20 ASFcorrect
Rear tyres	11.25-24 AScorrect
Top speed	20 km/hcorrect

Origin and approval

Construction	unit construction (no separate frame)correct

Where this model stands

Power-to-weight ratio: 12.2 kW/t (26 kW / 2.1 t)

Power class: Compact (< 40 hp)

Stronger than 21% 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 Primus Titus U-35 have?

The Primus Titus U-35 delivers 35 hp.

How much does the Primus Titus U-35 weigh?

The unladen weight is 2,100 kg.

What engine does the Primus Titus U-35 have?

3 cylinders, 3,534 cm³ displacement, Diesel.

How fast does the Primus Titus U-35 go?

Top speed is 20 km/h.

What are the dimensions of the Primus Titus U-35?

3,000 mm × 1,750 mm × 1,650 mm.

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 21 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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