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Bolinder Munktell BM-35/BM-36

Built: 1952–1959 · Series: 30 er-Baureihe

More machines from model year 1952

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The 30er series from Bolinder Munktell includes the BM-35/BM-36. Production: 1952–1959. The engine delivers 42.5 hp (31.3 kW), has 3 cylinders, with a displacement of 3,362 cm³. Torque is 206 Nm. Rated speed is 1,800 rpm. The machine is 3,150 mm long, 1,690 mm wide and 2,130 mm high. The unladen weight is 2,450 kg. The wheelbase measures 1,960 mm. Ground clearance is 525 mm. Top speed is 30 km/h. Transmission: 5 V/1 R. The engine is water-cooled. Tyres: front 6.00-19 ASF, rear 13-30 AS (BM-36:11-38 AS). The fuel is diesel. The bore measures 104.77 mm. The stroke is 130 mm. The compression ratio is 16.5:1. Construction: frame construction. The 30 er-Baureihe series covers 4 models. Rated output within it ranges from 34 to 42.5 hp; the BM-35/BM-36 sits at the top of that range with 42.5 hp. Its immediate neighbours are the BM-32 below it with 39 hp. Unladen weight within it ranges from 2,280 to 2,450 kg; here the BM-35/BM-36 sits at the top of that range with 2,450 kg. 46 Bolinder Munktell models across 4 series are on record.

Bolinder-Munktell 30 series – BM-31 to BM-35/36 from Eskilstuna, 1950s: the Swedish three- and four-cylinder tractors before the Volvo era, 25 to 31 kW

Bolinder-Munktell was formed in 1932 in Eskilstuna, Sweden, from the merger of the machine works J. & C. G. Bolinder and Munktells; the 30 series with the BM-31, BM-32, BM-33/34 and BM-35/36 models belonged to the tractor programme of the 1950s, shortly before Volvo took a majority stake in Bolinder-Munktell in 1950 and gradually folded the brand into its own farm-equipment division.

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The register lists here 4 versions with 25 to 31.3 kW from three- and four-cylinder engines of 3,362 to 3,456 cm³ displacement, torque from 182 to 210 Nm at 1,500 to 1,800 rpm, unladen weights from 2,280 to 2,450 kg, lengths from 3,115 to 3,150 mm, widths from 1,690 to 1,839 mm and heights from 1,820 to 2,180 mm; the fuels recorded are paraffin, a paraffin/petrol blend and, on one model, diesel.

The 30 series was common on Swedish farms of the post-war years and marked the transition from the paraffin-fuelled pre-war tractors to the more modern diesel models that came to define Bolinder-Munktell and, later, Volvo BM and today's Valtra brand.

Used, the 30 series calls for checking engine condition and the carburettor or injection pump depending on fuel type, clutch and transmission, the cooling system, and the condition of sheet metal and tyres; parts are today offered mainly by Swedish and Nordic vintage-tractor specialists.

Sources: SpecCodex register, model data: Bolinder-Munktell 30er-Baureihe

Technical data

Engine

Fuel	dieselcorrect
Power	42.5 hp (31.3 kW)correct
Rated speed	1,800 rpmcorrect
Torque	206 Nmcorrect
Cylinders	3correct
Displacement	3,362 cm³correct
Bore	104.77 mmcorrect
Stroke	130 mmcorrect
Compression ratio	16.5correct
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,150 mmcorrect
Width	1,690 mmcorrect
Height	2,130 mmcorrect
Wheelbase	1,960 mmcorrect
Ground clearance	525 mmcorrect
Unladen weight	2,450 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	5 V/1 Rcorrect
Front tyres	6.00-19 ASFcorrect
Rear tyres	13-30 AS (BM-36:11-38 AS)correct
Top speed	30 km/hcorrect

Origin and approval

Construction	frame constructioncorrect

Where this model stands

Power-to-weight ratio: 12.8 kW/t (31 kW / 2.5 t)

Power class: Universal (40–100 hp)

Stronger than 28% 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 Bolinder Munktell BM-35/BM-36 have?

The Bolinder Munktell BM-35/BM-36 delivers 42.5 hp.

How much does the Bolinder Munktell BM-35/BM-36 weigh?

The unladen weight is 2,450 kg.

What engine does the Bolinder Munktell BM-35/BM-36 have?

3 cylinders, 3,362 cm³ displacement, Diesel.

How fast does the Bolinder Munktell BM-35/BM-36 go?

Top speed is 30 km/h.

What are the dimensions of the Bolinder Munktell BM-35/BM-36?

3,150 mm × 1,690 mm × 2,130 mm.

When was the Bolinder Munktell BM-35/BM-36 built?

Production years: 1952–1959.

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 23 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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