Liebherr Machines Bulle D934 A7-24
Built: 2017-2025 · Series: D934
More machines from model year 2017
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Liebherr D934 A7 (Liebherr Machines Bulle) – four-cylinder diesel engine from Switzerland: 129 to 200 kW, 1,800 to 2,000 rpm, 122 mm bore, Interim Tier 4 to Tier 4 Final
Liebherr Machines Bulle is the Liebherr group's engine plant in Bulle, Switzerland, building diesel engines both for Liebherr's own construction and earthmoving machinery and for outside customers. The D934 A7 range is a four-cylinder engine, whose EPA certification data covers here five versions with different exhaust aftertreatment and designation (A7, A7 SCR, A7-04, A7-24, A7-25).
Read on 3 more paragraphs
The register lists here five versions with 129 to 200 kW rated output at 1,800 to 2,000 rpm. The four-cylinder inline engine measures 122 mm bore and 150 mm stroke, maximum torque ranges from 820 to 1,265 Nm at 1,350 to 1,500 rpm. The engines are direct-injection and turbocharged, emission stages ranging from Interim Tier 4 to Tier 4 (Final or Phase-in).
In this power class, the D934 drives wheel loaders, excavators and other mobile earthmoving machines from Liebherr as well as outside manufacturers; with its own engine plant in Bulle, Liebherr ranks among the few construction-equipment makers that develop and build their drivetrains entirely in-house.
On a used purchase, operating hours and the service history of the high-pressure injection system count, along with the condition of the turbocharger and charge-air ducting, on SCR versions the function of the AdBlue dosing and catalyst, and the tightness of the cooling system and intake tract; parts supply runs through Liebherr's own service network.
Sources: SpecCodex register, model data: Liebherr Machines Bulle D934, Liebherr (manufacturer)
Technical data
Engine
| Engine code | R04LQ7105correct |
|---|---|
| Engine family | MLHAL7.01SQCcorrect |
| Fuel | 7-15 ppm Ultra Low Sulfur Dieselcorrect |
| Rated output | 200 kWcorrect |
| Power band | 130<=kW<=560correct |
| Rated speed | 1,900 rpmcorrect |
| Maximum torque | 1,265 N·mcorrect |
| Speed at max. torque | 1,350 rpmcorrect |
| Cylinders | 4correct |
| Cylinder layout | in linecorrect |
| Bore | 122 mmcorrect |
| Stroke | 150 mmcorrect |
| Operating cycle | four-stroke dieselcorrect |
| Injection | direct injectioncorrect |
| Aspiration | turbochargedcorrect |
| Turbocharger type | wastegate turbochargercorrect |
| Charge-air cooling | bothcorrect |
| Emissions stage | Tier 4 (Final or Phase In)correct |
Origin and approval
| Version | R04LQ7105correct |
|---|---|
| Sales region | bothcorrect |
Frequently asked questions
How much power does the Liebherr Machines Bulle D934 A7-24 have?
The Liebherr Machines Bulle D934 A7-24 delivers 200 kW.
When was the Liebherr Machines Bulle D934 A7-24 built?
Production years: 2017-2025.
What to check before buying
- Match the data plate against the order: frame size, mounting and rating have to agree.
- For used units, ask about winding condition and bearing play.
- Ask about parts availability for this series — 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 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.
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Sources: US EPA — engine certification data (retrieved August 2026) · How we check the data
Diesel engine in 3D section
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