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Bm Volvo T 650

Built: 1970–1982 · Series: Other models

More machines from model year 1970

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With the T 650, Bm Volvo offers a model from the Pozostałe modele series. Production: 1970–1982. The engine delivers 75.9 hp (55.8 kW), has 4 cylinders, with a displacement of 4,202 cm³. Torque is 258 Nm. Rated speed is 2,300 rpm. The machine is 3,680 mm long, 1,940 mm wide and 2,650 mm high. The unladen weight is 3,800 kg. The wheelbase measures 2,440 mm. Ground clearance is 390 mm. Top speed is 30 km/h. Transmission: 16 V/4 R. The engine is water-cooled. Tyres: front 10.00-16 ASF, rear 14.9-38 AS. The fuel is diesel. The bore measures 105.57 mm. The stroke is 120 mm. The compression ratio is 17.5:1. Maximum torque is reached at 1,300 rpm. Construction: frame construction. Around 26.120 units were built. Rated output across the Bm Volvo range ranges from 42.5 to 96 hp; the T 650 sits in the upper part of that range with 75.9 hp. Its immediate neighbours are the T 600 BOXER below it with 62 hp and the T 800 above it with 96 hp. Rated output across the Bm Volvo range ranges from 31.3 to 70.6 kW; here the T 650 sits in the upper part of that range with 55.8 kW. 5 Bm Volvo models are on record.

BM Volvo – other models: the collective page of the transitional period from Bolinder-Munktell to Volvo, from the BM 400 to the T 800, 31 to 71 kW

This page gathers the Bolinder-Munktell and early Volvo tractors that the register carries under the name BM Volvo – the designation used during the transitional period when Volvo gradually took over the Swedish brand Bolinder-Munktell. From the BM types to the T models such as the T 430, T 600 Boxer, T 650 and T 800, the names reflect the shift from an independent brand to Volvo's farm-equipment division.

Read on 3 more paragraphs

The register lists here 5 versions with 31.3 to 70.6 kW from three- to six-cylinder engines of 2,500 to 5,130 cm³ displacement, torque from 167 to 258 Nm at 1,950 to 2,300 rpm, unladen weights from 2,398 to 4,260 kg, lengths from 3,300 to 4,030 mm and widths from 1,760 to 2,060 mm, and heights from 2,340 to 2,650 mm – all with diesel engines.

These transitional models stood on Swedish farms between the old Bolinder-Munktell era and the more modern Volvo BM tractors and covered a broad power range, from smaller yard tractors to bigger field tractors, before the brand later merged with the Finnish maker Valmet, laying the ground for today's Valtra.

Used, these models call for checking engine condition and the cooling system, clutch and transmission, hydraulics and PTO, and the condition of sheet metal and tyres; electrics and the tightness of the fuel system are also worth checking. Parts are today offered mainly by Swedish and Nordic vintage-tractor specialists.

Sources: SpecCodex register, model data: BM Volvo (weitere Modelle)

Technical data

Engine

Fuel	dieselcorrect
Power	75.9 hp (55.8 kW)correct
Rated speed	2,300 rpmcorrect
Torque	258 Nmcorrect
Speed at max. torque	1,300 rpmcorrect
Cylinders	4correct
Displacement	4,202 cm³correct
Bore	105.57 mmcorrect
Stroke	120 mmcorrect
Compression ratio	17.5correct
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,680 mmcorrect
Width	1,940 mmcorrect
Height	2,650 mmcorrect
Wheelbase	2,440 mmcorrect
Ground clearance	390 mmcorrect
Unladen weight	3,800 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	16 V/4 Rcorrect
Front tyres	10.00-16 ASFcorrect
Rear tyres	14.9-38 AScorrect
Top speed	30 km/hcorrect

Origin and approval

Construction	frame constructioncorrect
Units built	26,120correct

Where this model stands

Power-to-weight ratio: 14.7 kW/t (56 kW / 3.8 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 Bm Volvo T 650 have?

The Bm Volvo T 650 delivers 75.9 hp.

How much does the Bm Volvo T 650 weigh?

The unladen weight is 3,800 kg.

What engine does the Bm Volvo T 650 have?

4 cylinders, 4,202 cm³ displacement, Diesel.

How fast does the Bm Volvo T 650 go?

Top speed is 30 km/h.

What are the dimensions of the Bm Volvo T 650?

3,680 mm × 1,940 mm × 2,650 mm.

When was the Bm Volvo T 650 built?

Production years: 1970–1982.

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 25 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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