Technical register for agricultural, construction and commercial machinery · sourced data
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Massey Ferguson MF 3645 (A)

Built: 1990–1995 · Series: 3600er-Baureihe

More machines from model year 1990

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The MF 3645 (A) from Massey Ferguson is part of the 3600er series. Production: 1990–1995. The engine delivers 142 hp (104.5 kW), has 6 cylinders, with a displacement of 5,985 cm³. Rated speed is 2,200 rpm. The machine is 4,649 mm long, 2,088 mm wide and 2,905 mm high. The unladen weight is 5,180 kg. The wheelbase measures 2,777 mm. Ground clearance is 428 mm. Top speed is 30 km/h. Transmission: 16V/16R or 32V/32R. The engine is water-cooled. Tyres: front 11.00-16 ASF (A: 16.9 R 28 AS), rear 20.8 R 38 AS. The fuel is diesel. The bore measures 100 mm. The stroke is 127 mm. Construction: unit construction (no separate frame). The 3600er-Baureihe series covers 9 models. Rated output within it ranges from 113 to 190 hp; the MF 3645 (A) sits in the lower part of that range with 142 hp. Its immediate neighbours are the MF 3630 below it with 133 hp and the MF 3650 above it with 150 hp. Unladen weight within it ranges from 5,180 to 6,720 kg; here the MF 3645 (A) sits at the bottom of that range with 5,180 kg. 1668 Massey Ferguson models across 56 series are on record.

MF 3600: the strong sister to the 3000 series, 113 to 180 hp, six-cylinder diesels throughout at 5,797 to 7,368 cm3 displacement

As a more powerful complement to the 3000 series, Massey Ferguson positioned the 3600 series in the upper mid-range, with six-cylinder engines throughout for greater drawbar pull.

Read on 4 more paragraphs

The register lists 9 live models, from the MF 3610 to the MF 3690 (A), built between 1987 and 1995. Output ranges from 83.2 to 139.8 kW, or 113 to 180 hp, weight from 5,180 to 6,720 kg, displacement from 5,797 to 7,368 cm3.

With this positioning, the 3600 series bridged the gap between the 3000-series mid-range and the subsequent big-tractor ranges, which were increasingly fitted with electronic engine management through the 1990s.

For arable operations needing high drawbar pull but no articulated technology, the MF 3600 offered a conventional, proven alternative.

When buying used, on the six-cylinder 3600-series models, the injection system and turbocharger where fitted, wear to clutch and gearbox under sustained draft work, and the tightness of the lift hydraulics matter especially; rust on cab and mudguards after years of arable use is common too. Parts run through the global dealer network of the AGCO group, which Massey Ferguson has belonged to since the 1990s. The three-point linkage on these six-cylinder models corresponds to ISO 730 Category II to III, depending on specification, with a PTO speed of 540 or 1,000 rpm.

Sources: SpecCodex register, model data: Massey Ferguson 3600er-Baureihe

Technical data

Engine

Fueldieselcorrect
Power142 hp (104.5 kW)correct
Rated speed2,200 rpmcorrect
Cylinders6correct
Displacement5,985 cm³correct
Bore100 mmcorrect
Stroke127 mmcorrect
Coolingwater-cooledcorrect

Dimensions and weights

Length4,649 mmcorrect
Width2,088 mmcorrect
Height2,905 mmcorrect
Wheelbase2,777 mmcorrect
Ground clearance428 mmcorrect
Unladen weight5,180 kgcorrect

Drivetrain and chassis

Driverear- and four-wheel drivecorrect
Gearbox16V/16R or 32V/32Rcorrect
Front tyres11.00-16 ASF (A: 16.9 R 28 AS)correct
Rear tyres20.8 R 38 AScorrect
Top speed30 km/hcorrect

Origin and approval

Constructionunit construction (no separate frame)correct

Where this model stands

Power-to-weight ratio: 20.2 kW/t (104 kW / 5.2 t)

Power class: Large (100–180 hp)

Stronger than 81% 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 Massey Ferguson MF 3645 (A) have?

The Massey Ferguson MF 3645 (A) delivers 142 hp.

How much does the Massey Ferguson MF 3645 (A) weigh?

The unladen weight is 5,180 kg.

What engine does the Massey Ferguson MF 3645 (A) have?

6 cylinders, 5,985 cm³ displacement, Diesel.

How fast does the Massey Ferguson MF 3645 (A) go?

Top speed is 30 km/h.

What are the dimensions of the Massey Ferguson MF 3645 (A)?

4,649 mm × 2,088 mm × 2,905 mm.

When was the Massey Ferguson MF 3645 (A) built?

Production years: 1990–1995.

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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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data

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