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John Deere 644H MH

Series: John Deere Wheel Loader

Source: https://www.lectura-specs.com/en/model/construction-machiner

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The 644H MH from John Deere is part of the John Deere Wheel Loader series. The engine delivers 214.9 hp (134.2 kW), has 6 cylinders, with a displacement of 8,128 cm³. Torque is 1,010.1 Nm. Rated speed is 2,200 rpm. The unladen weight is 17,657 kg. The wheelbase measures 3,200.4 mm. Ground clearance is 475.5 mm. The tank holds 340.7 litres. The gearbox has 4 forward gears. There are also 3 reverse gears. Maximum torque is reached at 1,300 rpm. The pump delivers 280.1 l/min. The hydraulic tank holds 117.3 litres. The cooling system holds 29.1 litres. The electrical system runs on 24 V. The engine fitted is the 6081H. Tyre size: 23,5-25. The John Deere Wheel Loader series covers 120 models. Rated output within it ranges from 55.8 to 286.9 hp; the 644H MH sits in the upper part of that range with 214.9 hp. Its immediate neighbours are the 644H Waste Handler below it with 207.8 hp and the 744E above it with 263.6 hp. 2153 John Deere models across 96 series are on record. The model is listed under Wheel loaders. 22 verified figures from 1 source are on file.

Technical data

Engine

Engine model6081Hcorrect
Power214.9 hp (134.2 kW)correct
Rated speed2,200 rpmcorrect
Torque1,010.1correct
Speed at max. torque1,300 rpmcorrect
Cylinders6correct
Displacement8,128 cm³correct
AspirationTurbocharger with Aftercoolercorrect
Coolant capacity29.1 lcorrect

Dimensions and weights

Wheelbase3,200.4correct
Ground clearance475.5correct
Unladen weight17,657 kgcorrect

Drivetrain and chassis

Gearbox typePower Shiftcorrect
Forward gears4correct
Reverse gears3correct
Tyre size23.5-25correct
System voltage24 Vcorrect

Working data

Pump flow280.1 l/mincorrect
Hydraulic oil capacity117.3 lcorrect
Fuel tank capacity340.7 lcorrect

Other data

Height3,413.8correct

Where this model stands

Power-to-weight ratio: 7.6 kW/t (134 kW / 17.7 t)

Stronger than 68% of the wheel loaders in the register — out of 1,253 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the John Deere 644H MH have?

The John Deere 644H MH delivers 215 hp.

How much does the John Deere 644H MH weigh?

The unladen weight is 17,657 kg.

What engine does the John Deere 644H MH have?

6 cylinders, 8,128 cm³ displacement.

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.
  • 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 22 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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Other models in this series

204L

210LE

244E

244H

244J

244K-II

304H Waste Handler

304J

304L

324H

324J

324K

Sources: [1]

Wheel loader in 3D section

Turn the model, look inside and click an assembly — each one is explained.

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