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John Deere 646B

Series: John Deere Compactor

Source: https://www.pinterest.com/pin/john-deere-tractor-plowing-fie

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With the 646B, John Deere offers a model from the John Deere Compactor series. The engine delivers 162.2 hp (108.1 kW), has 6 cylinders, with a displacement of 8,701.5 cm³. Torque is 585.7 Nm. Rated speed is 2,200 rpm. The unladen weight is 14,265.5 kg. The wheelbase measures 2,642.6 mm. Ground clearance is 438.9 mm. The tank holds 212 litres. The gearbox has 4 forward gears. There are also 2 reverse gears. Maximum torque is reached at 1,500 rpm. The hydraulic tank holds 66.2 litres. The cooling system holds 46.6 litres. The oil fill is 20.8 litres. The electrical system runs on 12 V. Rated output across the John Deere range ranges from 10.6 to 577.9 hp; the 646B sits in the lower part of that range with 162.2 hp. Its immediate neighbours are the 6920 S below it with 160 hp and the 624GH above it with 163.2 hp. 2153 John Deere models across 96 series are on record. The model is listed under Road construction. 20 verified figures from 1 source are on file.

Technical data

Engine

Power	162.2 hp (108.1 kW)correct
Rated speed	2,200 rpmcorrect
Torque	585.7correct
Speed at max. torque	1,500 rpmcorrect
Cylinders	6correct
Displacement	8,701.5 cm³correct
Aspiration	turbochargedcorrect
Coolant capacity	46.6 lcorrect
Engine oil capacity	20.8 lcorrect

Dimensions and weights

Wheelbase	2,642.6correct
Ground clearance	438.9correct
Unladen weight	14,265.5 kgcorrect

Drivetrain and chassis

Gearbox type	Power Shift Planetarycorrect
Forward gears	4correct
Reverse gears	2correct
System voltage	12 Vcorrect

Working data

Hydraulic oil capacity	66.2 lcorrect
Fuel tank capacity	212 lcorrect

Other data

Height	3,148.6correct

Where this model stands

Power-to-weight ratio: 7.6 kW/t (108 kW / 14.3 t)

Stronger than 47% of the compaction equipment in the register — out of 223 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 646B have?

The John Deere 646B delivers 162 hp.

How much does the John Deere 646B weigh?

The unladen weight is 14,266 kg.

What engine does the John Deere 646B have?

6 cylinders, 8,702 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.
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 20 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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