6644 Koehring excavator specs & Dimensions (1985 - 1991)

Koehring 6644 is a Crawler Excavator manufactured from 1985 to 1991, with a weight of 43.264 tons. It features a track width of 75…

Koehring 6644 is a Crawler Excavator manufactured from 1985 to 1991, with a weight of 43.264 tons. It features a track width of 750 mm, a transport length of 12 meters, a transport width of 3 meters, and a transport height of 3 meters. The machine has a tear-out force of 185 kN, a dredging depth of 9 meters, and a maximum horizontal reach of 13 meters. The bucket width is 1 meter, with a maximum bucket capacity of 2 cubic meters. Special equipment includes air conditioning, a diesel particulate filter, and an overload alert system.

Technical specs - 6644 Koehring

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight
43.264 t
Transport length
12.32 m
Transport width
3.48 m
Transport height
3.66 m
Bucket capacity min.
0.83 m³
Bucket capacity max.
2.27 m³
Undercarriage
HD
Track width
750 mm
Boom
MB
Max. Reach horizontal
13.54 m
Dredging depth
9.19 m
Tear-out force
185.93 kN
Bucket width
1.42 m
Engine manuf.
Detroit
Engine type
6V71TA
Engine power
191.6 kW
Displacement
6.981 l
Revolutions at max torque
1850 rpm

More technical details, like: bucket capacity, model series, dimension lxwxh, max. torque, no. of cylinders, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model incl. ROPS cabin, traction drive, standard boom and standard bucket

Special equipment

Diesel particulate filter
Yes
Track adjustment
No
Blade
No
Cabin adjustment
No
Overload alert
Yes
Material Handling Excavator
No
Aircondition
Yes
Quick hitch hydr.
No
Quick hitch mech.
No

Download datasheets (PDF)

Koehring 6644 FAQ

When was the Koehring 6644 manufactured?

The Koehring 6644 was manufactured from 1985 to 1991.

How much does the Koehring 6644 weigh?

The Koehring 6644 weighs 43.26 tons.

What are the transport dimensions of the Koehring 6644 crawler excavator?

The Koehring 6644 has a transport length of 12.32 meters, a transport width of 3.48 meters, and a transport height of 3.66 meters.

What are the undercarriage specifications of the Koehring 6644 crawler excavator?

The Koehring 6644 crawler excavator has a heavy duty undercarriage with a track width of 750 mm.

What are the excavation performance specifications of the Koehring 6644?

The Koehring 6644 has a dredging depth of 9.19 meters, a maximum horizontal reach of 13.54 meters, and is equipped with a monobloc boom.

What is the tear-out force rating of the Koehring 6644 crawler excavator?

The Koehring 6644 crawler excavator has a tear-out force rating of 185.93 kN.

What are the specifications of the primary work tool bucket on the Koehring 6644?

The primary work tool bucket of the Koehring 6644 has a maximum capacity of 2.27 cubic meters and a width of 1.42 meters.

How much is a Koehring 6644 Crawler excavator (1985u20131991) worth?

The residual value of the Koehring 6644 depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Machine inspection

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Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

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Buy & Rent

Compare Koehring 6644 with similar Crawler Excavators

Koehring 6644

Koehring 6644

Weight:
43.264 t
Transport length:
12.32 m
Transport width:
3.48 m
Transport height:
3.66 m
SDLG E6460F

SDLG E6460F

Weight:
46.8 t
Transport length:
12.15 m
Transport width:
3.34 m
Transport height:
3.25 m

Spare parts & Components

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Spare parts

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Transport

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Data provided by Lectura logo

News

Construction News by LECTURA 26.06.2026

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