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The Liebherr SR 704 provides all the well known advantages of the Liebherr welding tractor, but distinguishes itself in order of dimensions.

The compact size of the SR704 provides an ideal solution on job site locations where space is limited.

This robust machine is the ideal carrier for both manual and (semi) automatic welding equipment.

The well-balanced attachments, heavy-duty components and precision hydraulics ensure high performance, maximum economy and easy operation.


The extra long undercarriage, wide track shoes and extremely low centre of gravity offer outmost stability, low ground pressure and great torque.
This means the machine can be optimally used and safe operation is guaranteed in all terrain conditions.

The hydraulic driven generator guarantees a most stable welding power, providing a constant high-level weld quality.


The time-tested technology and high quality materials ensure maximum reliability even under the harshest conditions.

The characteristic hydrostatic travel drive is wear free. The load sensing hydraulics protect and limit wear of the components and safe fuel.


The machine’s diesel engine efficiently powers the hydraulic-driven welding generator, HIAB crane and air compressor.

This fully integrated hydraulic-driven concept protects and limits wear of components.

The well thought-out design and high quality materials ensure long component service lives, low service costs and low fuel consumption.


The spacious cab is acoustically insulated and ergonomically designed. 

All functions of the remarkable hydrostatic drive are comfortably controlled with a single-lever.

The function controls for the attachments are located next to the operator’s seat, providing the comfort and safety of operating the machine and attachments from inside the cabin.


The comfortable cab provides the perfect conditions for fatigue-free and concentrated work.

Operating safety is ensured through the exceptional stability and precision controls of the machine.

The machine is standard equipped with numerous features that ensure optimal safety (e.g. ROPS/FOPS, hydrostatic brake, intuitive joystick control, back-up alarm)

All attachments on the machine comply with the latest health & safety standards.


The welding tractor is converted and assembled by Maats in their facilities in the Netherlands and comes with full guarantee.

Parts are available from every Liebherr service point in the world.


Welding sources
2 until 4 Lincoln V350-PRO or 2 Lincoln DC400
(other manufacturers possible)
JOHN DEERE diesel engine - 71 kW (95 HP)
Welding generator
85 kVA direct driven generator
Implement hydraulics
     - HIAB Crane
Fully hydraulic powered HIAB crane:
- 69 kNm / max. reach 7.3 m 
     - Compressor
Hydraulic driven aircompressor:
- Quincy 370 LVD - 1300 l/min @ 15 bar (optional)
Operating weight
Full configuration: 14.500 kg
Chain Single grouser, LGP track pads 610 mm
Ground pressure
0,51 kg / cm2
Cabin ROPS cabin with heater / airconditioning
Options Numerous options include:
- hydraulic PTO for powering external equipment
- gas cylinder rack (6 cylinders)
- Arctic kit ( - 40ºC)
- Lockable toolbox
Additional Equipment
Additional Equipment can be supplied by Maats
(e.g. IPLC, PFM, Welding tent)

Technical Documentation


Maats Pipeline Professionals
P.O.Box 165 | 7470 AD Goor (the Netherlands)
Visiting address: Breukersweg 4 7471 ST Goor
T. +31(0)547 - 260000  |  F. +31(0)547 - 261000
Email: | Privacy


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