John Deere 644J Powerllel w/Coupler
Series: John Deere Wheel Loader
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
Technical data
Engine
| Engine model | 6068 Hcorrect |
|---|---|
| Power | 138 kWcorrect |
| Rated speed | 2,200 rpmcorrect |
| Torque | 1,015.5correct |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 6,784.2 cm³correct |
| Aspiration | Turbocharged change air cooledcorrect |
| Coolant capacity | 29.5 lcorrect |
Dimensions and weights
| Wheelbase | 3,200.4correct |
|---|---|
| Ground clearance | 487.7correct |
| Unladen weight | 22,067.7 kgcorrect |
Drivetrain and chassis
| Gearbox type | automatic gearbox powershift transmissioncorrect |
|---|---|
| Forward gears | 4correct |
| Reverse gears | 3correct |
| Tyre size | 23.5 R25correct |
| System voltage | 24 Vcorrect |
Working data
| Pump flow | 287.7 l/mincorrect |
|---|---|
| Hydraulic oil capacity | 117.3 lcorrect |
| Fuel tank capacity | 352 lcorrect |
Other data
| Height | 3,404.6correct |
|---|
Where this model stands
Power-to-weight ratio: 6.3 kW/t (138 kW / 22.1 t)
Stronger than 69% 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 644J Powerllel w/Coupler have?
The John Deere 644J Powerllel w/Coupler delivers 138 kW.
How much does the John Deere 644J Powerllel w/Coupler weigh?
The unladen weight is 22,068 kg.
What engine does the John Deere 644J Powerllel w/Coupler have?
6 cylinders, 6,784 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
We ask the suppliers and come back with price and lead time.
Request spare parts →
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.
Missing a figure you were looking for? Report it →
Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →
Other models in this series
Sources: [1]
Wheel loader in 3D section
Turn the model, look inside and click an assembly — each one is explained.