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Powerful, Robust and Reliable
Combustion Engines by Liebherr
Combustion Engines by Liebherr2
Powerful Combustion Engines by Liebherr
Combustion Engines by Liebherr 3
Over the past 40 years, we have evolved from a captive engine manufacturer to an established and important market player. Today, we offer a complete engine portfolio for various needs and applications. Starting with the 4- and 6-cylinder inline engines and through to the large V-type engines up to 20 cylinder. Our diesel engines cover a wide power range from 120 kW to 4,500 kW and our gas engines ranging from 145 kW to 1,060 kW.
With our extensive expertise in various industries, decades of knowledge as an engine manufacturer and through close collaboration with our partners, we under-stand and are able to answer all your needs whatever your industry requirements are. From our construction and industry origins to mining, from power generation to the immensity of the oceans, our powerful, robust and reliable combustion en-gines will meet your needs.
Combustion Engines Production SitesBulle, Switzerland and Colmar, France
Gas Engine PortfolioFrom 145 to 1,060 kW
Diesel Engine PortfolioFrom 120 to 4,500 kW
IndustriesBuilt for the toughest demands
High Quality From design to testing
Emission StandardsModular and optimized solutions
Customer Support and ServiceGlobal organization for local availability
Combustion Engines by Liebherr4
Combustion Engines Production Sites
Liebherr diesel and gas engines are designed and manufactured in Bulle, Switzerland and Colmar, France. The first 6-cylinder inline diesel engines came off the production line in 1985 at the first produc-tion site in Bulle. Since then, the product portfolio, manufacturing systems and the production sites have been continuously expanded.
Bulle, SwitzerlandLiebherr Machines Bulle SA was founded in 1978, in the Gru-yère region, located in the heart of the Swiss Alps. Combusti-on engines production started shortly thereafter, in 1985. To-day development and production departments have grown
to offer customized products for individual markets. To achie-ve these objectives, Liebherr Machines Bulle SA has steadily invested into its development center, production and emplo-yees to earn its place as a renowned brand for your engines.
Combustion Engines by Liebherr 5
Colmar, FranceThe production site of Colmar, France is an illustration of the further expansion of the Liebherr group in the engine deve-lopment and manufacturing. With our new Diesel engine, the D98, Liebherr has extended its portfolio in the upper power range. In 2012, a new company specialized in the develop-ment of this new D98 series was founded: Liebherr-Compo-
nents Colmar SAS. Liebherr invested in a facility with world leading infrastructure and technology, two years later in 2014, the brand new factory was built and ready for production. Among others, this cutting edge facility is equipped with an automated assembly line as well as with several test benches to manufacture the best-in-class diesel engines.
G9620
G9512
G9508
G946
G944
Combustion Engines by Liebherr6
Gas Engine Portfolio
Our gas engines are exclusively designed and manufactured in Bulle, Switzerland. Available in various configurations from 4-cylinder inline engines up to 20-cylinder V-engines. Their performance spectrum covers a mechanical output range of 145 kW to 1,060 kW at 50 Hz and 169 kW to 1,060 kW for 60 Hz applications. Our gas engines are designed for stationary applications such as combined heat and power generation fueled with biogas or natural gas.
Performance and efficiency With a mechanical efficiency rating of up to 44 %, gas engines from Liebherr offer the best efficiency in their performance categories. This efficiency value is the result of many years of dedication to gaining experience in the application, careful selection of components, intensive development work, and a high degree of system integration in the area of hardware and software.
Full equipment Liebherr gas engines are distinguished by a high degree of efficiency and availability. To safeguard these attributes in the long-term, the engines are supplied fully-equipped. This equipment has been optimally adapted to the engines and offers a “plug and play” solution. All components have been validated for the engines and extensively tested. Straightfor-ward integration in the system saves time and money.
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G94 Series2.00 l / cyl
G95 Series2.09 l / cyl
G96 Series2.44 l / cyl
Combustion Engines by Liebherr 7
Technical Information
Engine G944Configuration 4 in-lineDisplacement dm3 (in³) 8 488Bore mm (in) 130 5.12Stroke mm (in) 150 5.91Dry Weight kg (lb) 950 2,094Dimensions (L x W x H) mm (in) 1,480 x 990 x 920 58.27 x 38.98 x 36.22
50 Hz 60 HzRated speed rpm 1,500 1,800Power rating (mech.) kW (hp) 164 (220) 190 (255)Max. effect. mean pressure bar 16.50 16.0Air ratio λ > 1.6 > 1.6Flywheel housing SAE 1Mass moment of inertia kg*m² (lb* in2) 2.37 (8,099) 2.37 (8,099)Mechanical efficiency % 41.5 40.1
Engine G946Configuration 6 in-lineDisplacement dm3 (in³) 12 732Bore mm (in) 130 5.12Stroke mm (in) 150 5.91Dry Weight kg (lb) 1,250 2,756Dimensions (L x W x H) mm (in) 1,800 x 990 x 1,100 70.87 x 38.98 x 43.31
50 Hz 60 HzRated speed rpm 1,500 1,800Power rating (mech.) kW (hp) 246 (330) 286 (384)Max. effect. mean pressure bar 16.50 16.0Air ratio λ > 1.6 > 1.6Flywheel housing SAE 1Mass moment of inertia kg*m² (lb* in2) 3.75 (12,810) 3.75 (12,810)Mechanical efficiency % 41.7 40.5
Engine G9508Configuration 8 in V configurationDisplacement dm3 (in3) 16.7 1,019Bore mm (in) 130 5.12Stroke mm (in) 157 6.18Dry Weight kg (lb) 1,700 3,748Dimensions (L x W x H) mm (in) 1,370 x 1,120 x 1,500 53.94 x 44.09 x 59.06
50 Hz 60 HzRated speed rpm 1,500 1,800Power rating (mech.) kW (hp) 339 (455) 355 (476)Max. effect. mean pressure bar 16.3 14.2Air ratio λ > 1.6 > 1.6Flywheel housing SAE 1Mass moment of inertia kg*m² (lb* in2) 4.20 (14,400) 4.20 (14,400)Mechanical efficiency % 41.3 41.5
Combustion Engines by Liebherr8
Engine G9620Configuration 20 in V configurationDisplacement dm3 (in3) 48.7 2,972Bore mm (in) 135 5.31Stroke mm (in) 170 6.69Dry Weight kg (lb) 4,500 9,921Dimensions (L x W x H) mm 2,590 x 1,340 x 1,970 101.97 x 52.76 x 77.56
50 Hz 60 HzRated speed rpm 1,500 1,800Power rating (mech.) kW (hp) 1,060 (1,421) 1,060 (1,421)Max. effect. mean pressure bar 17.6 14.6Air ratio λ > 1.6 > 1.6Flywheel housing SAE 0Mass moment of inertia kg*m² (lb* in2) 5.0 (17,100) 5.0 (17,100)Mechanical efficiency % 44 44
Engine G9512Configuration 12 in V configurationDisplacement dm3 (in3) 25 1,526Bore mm (in) 130 5.12Stroke mm (in) 157 6.18Dry Weight kg (lb) 2,150 4,740Dimensions (L x W x H) mm 1,550 x 1,200 x 1.550 61.02 x 47.24 x 61.02
50 Hz 60 HzRated speed rpm 1,500 1,800Power rating (mech.) kW (hp) 516 (692) 600 (805)Max. effect. mean pressure bar 16.5 16.0Air ratio λ > 1.6 > 1.6Flywheel housing SAE 1Mass moment of inertia kg*m² (lb* in2) 3.86 (13,190) 3.86 (13,190)Mechanical efficiency % 42.5 42.3
All technical information refer to ISO 3046/1 under standard conditions. For methane percentages, please refer to the technical data sheets.
The details in this overview serve as a means of information only and are not binding values.The details and values specified in the offer are relevant.
Technical Information
Combustion Engines by Liebherr 9
D9820
D9816
D9812
D9620
D9616
D9612
D9512
D976
D9508
D966
D956
D946
D936
D964
D944
D934
Combustion Engines by Liebherr10
Diesel Engine Portfolio
Our Diesel engines are designed and manufactured in both our production sites in Switzerland and in France and cover a power class from 120 kW to 4,500 kW. They have been specifically developed for use in off-road applications. They perfectly suit the toughest environmental conditions and are therefore ideal for a large variety of industries and applications.
Performance and efficiencyDiesel engines from Liebherr are distinguished by their specific high performance. This can be called upon at any time thanks to the dynamically responsive engines. Engine architecture, injection system and engine management are integrated with each other in order to achieve an optimal application-specific torque curve. This is beneficial not just for the performance, but also for the degree of efficiency and thereby minimised fuel consumption.
Modular design Thanks to a high flexibility and modular design, Liebherr die-sel engines can eas ily be adapted to the different applications and specific region requirements. As a result, provisions for operation in high altitude or in a cold weather can be easily integrated. Furthermore, thanks to additional after treatment systems, every diesel engine from the portfolio complies with the most stringent global emission regulations.
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103.4(6310)82.7 (5048)62.0 (3786)45.0 (2746)36.0 (2197)27.0 (1648)24.2 (1477)18.0 (1098)16.2 (989)13.5 (824)12.0 (732)12.0 (732)10.0 (641)9.0 (549)8.0 (488)7.0
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D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
D93 Series1.75 l / cyl
D94 Series2.00 l / cyl
Combustion Engines by Liebherr 11
Technical Information
Engine D934Bore mm (in) 122 4.80Stroke mm (in) 150 5.91Displacement dm3 (in3) 7.0 427Power rating kW (hp) 120 – 200 161 – 268 Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 1,245 at 1,500 rpm 918 at 1,500 rpmDry weight kg (lb) 900 1,984Length mm (in) 1,173 46.18Width mm (in) 918 36.14Height mm (in) 1,131 44.53
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Engine D944Bore mm (in) 130 5.12Stroke mm (in) 150 5.91Displacement dm3 (in3) 8.0 488Power rating kW (hp) 150 – 230 201 – 308Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 1,373 at 1,500 rpm 1,013 at 1,500 rpmDry weight kg (lb) 950 2.094Length mm (in) 1,173 46.18Width mm (in) 918 36.14Height mm (in) 1,131 44.53
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Technical Information
Engine D936Bore mm (in) 122 4.80Stroke mm (in) 150 5.91Displacement dm3 (in3) 10.5 641Power rating kW (hp) 175 – 300 235 – 402Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 1,970 at 1,500 rpm 1,453 at 1,500 rpmDry weight kg (lb) 1,150 2,535Length mm (in) 1,592 62.68Width mm (in) 903 35.55Height mm (in) 1,151 45.32
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Engine D964Bore mm (in) 135 5.31Stroke mm (in) 157 6.18Displacement dm3 (in3) 9.0 549Power rating kW (hp) 170 – 300 228 – 402Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 1,739 at 1,400 rpm 1,283 at 1,400 rpmDry weight kg (lb) 735 1,620Length mm (in) 1,015 39.96Width mm (in) 838 32.99Height mm (in) 1,116 43.94
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Engine D946Bore mm (in) 130 5.12Stroke mm (in) 150 5.91Displacement dm3 (in3) 12.0 732Power rating kW (hp) 220 – 400 295 – 536 Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 2,600 at 1,500 rpm 1,918 at 1,500 rpmDry weight kg (lb) 1,341 2,956Length mm (in) 1,592 62.68Width mm (in) 903 35.55Height mm (in) 1,151 45.32
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Engine D956Bore mm (in) 130 5.12Stroke mm (in) 150 5.91Displacement dm3 (in3) 12.0 732Power rating kW (hp) 230 – 430 308 – 577Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 2,520 at 1,350 rpm 1,859 at 1,350 rpmDry weight kg (lb) 1,153 2,542Length mm (in) 1,335 52.56Width mm (in) 927 36.50Height mm (in) 1,156 45.51
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Combustion Engines by Liebherr14
Technical Information
Engine D966Bore mm (in) 135 5.31Stroke mm (in) 157 6.18Displacement dm3 (in3) 13.5 824Power rating kW (hp) 240 – 480 322 – 644Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 2,800 at 1,350 rpm 2,065 at 1,350 rpmDry weight kg (lb) 1,100 2,425Length mm (in) 1,340 52.76Width mm (in) 930 36.61Height mm (in) 1,160 45.67
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Engine D9508Bore mm (in) 128 5.04Stroke mm (in) 157 6.18Displacement dm3 (in3) 16.2 989Power rating kW (hp) 275 – 505 369 – 677Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 3,125 at 1,500 rpm 2,305 at 1,500 rpmDry weight kg (lb) 1,600 3,527Length mm (in) 1,692 66.61Width mm (in) 1,112 43.78Height mm (in) 1,350 53.15
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Combustion Engines by Liebherr 15
Engine D976Bore mm (in) 148 5.83Stroke mm (in) 174 6.85Displacement dm3 (in3) 18.0 1,098Power rating kW (hp) 350 – 785 469 – 1,053Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 3,650 at 1,500 rpm 2,692 at 1,500 rpmDry weight kg (lb) 1,850 4,079Length mm (in) 1,545 60.83Width mm (in) 987 38.86Height mm (in) 1,215 47.83
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Engine D9512Bore mm (in) 128 5.04Stroke mm (in) 157 6.18Displacement dm3 (in3) 24.2 1,477Power rating kW (hp) 385 – 750 516 – 1,006 Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 4,675 at 1,500 rpm 3,448 at 1,500 rpmDry weight kg (lb) 2,050 4,519Length mm (in) 1,856 73.07Width mm (in) 1,236 48.66Height mm (in) 1,314 51.73
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Combustion Engines by Liebherr16
Engine D9616Bore mm (in) 135 5.31Stroke mm (in) 157 6.18Displacement dm3 (in3) 36.0 2,197Power rating kW (hp) 720 – 1,395 966 – 1,871Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 8,485 at 1,500 rpm 11,379 at 1,500 rpmDry weight kg (lb) 3,200 7,055Length mm (in) 2,356 92.76Width mm (in) 1,338 52.68Height mm (in) 1,378 54.25
Technical Information
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Engine D9612Bore mm (in) 135 5.31Stroke mm (in) 157 6.18Displacement dm3 (in3) 27.0 1,648Power rating kW (hp) 475 – 1,115 637 – 1,495Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 6,230 at 1,500 rpm 8,335 at 1.500 rpmDry weight kg (lb) 2,350 5,181Length mm (in) 1,839 72.40Width mm (in) 1,262 49.68Height mm (in) 1,338 52.68
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Combustion Engines by Liebherr 17
Engine D9620Bore mm (in) 135 5.31Stroke mm (in) 157 6.18Displacement dm3 (in3) 45.0 2,746Power rating kW (hp) 940 – 1,910 1,260 – 2,561Rated speed rpm (rpm) 1,500 – 1,900 1,500 – 1,900Peak torque Nm (lb-ft) 10,000 at 1,500 rpm 9,891 at 1,500 rpmDry weight kg (lb) 4,100 9,039Length mm (in) 3,069 120.83Width mm (in) 1,414 55.67Height mm (in) 1,564 61.57
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Engine D9812Bore mm (in) 175 6.89Stroke mm (in) 215 8.46Displacement dm3 (in3) 62.0 3,786Power rating kW (hp) 1,000 – 2,700 1,341 – 3,621 Rated speed rpm (rpm) 1,200 – 1,900 1,200 – 1,900Peak torque Nm (lb-ft) 15,690 at 1,350 rpm 11,572 at 1,350 rpmDry weight kg (lb) 8,600 18,960Length mm (in) 2,661 104.76Width mm (in) 1,777 69.96Height mm (in) 2,125 83.66
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Combustion Engines by Liebherr18
Engine D9820Bore mm (in) 175 6.89Stroke mm (in) 215 8.46Displacement dm3 (in3) 103.4 6,310Power rating kW (hp) 3,310 – 4,250 4,439 – 5,700Rated speed rpm (rpm) 1,200 – 1,900 1,200 – 1,900Peak torque Nm (lb-ft) 23,550 at 1,350 rpm 17,370 at 1,350 rpmDry weight kg (lb) 14,700 32,408Length mm (in) 3,680 144.88Width mm (in) 1,777 69.96Height mm (in) 2,125 83.66
Under development
Technical Information
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Engine D9816Bore mm (in) 175 6.89Stroke mm (in) 215 8.46Displacement dm3 (in3) 82.7 5,048Power rating kW (hp) 2,000 – 3,490 2,682 – 4,680Rated speed rpm (rpm) 1,200 – 1,900 1,200 – 1,900Peak torque Nm (lb-ft) 19,625 at 1,350 rpm 14,475 at 1,350 rpmDry weight kg (lb) 11,700 25,794Length mm (in) 3,240 127.56Width mm (in) 1,777 69.96Height mm (in) 2,125 83.66
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Power range D9816
D9612
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D934
Construction Industry
Combustion Engines by Liebherr 19
Construction Industry
Liebherr is your perfect partner for construction and industry heavy duty engines. Building tough en-gines for the construction and the industry is where we originated from. Our dedicated engines have a robust and sturdy design resulting in long engine life. This makes them the most reliable engines for C&I. Our customers require tough, reliable and economic engines. Modularity exists providing a com-prehensive list of system options and power take offs that allow to make a Liebherr engine your engine.
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27.0 (1648)24.2 (1477)18.0 (1098)16.2 (989)13.5 (824)12.0 (732)12.0 (732)10.0 (641)9.0 (549)8.0 (488)7.0
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D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D93 Series1.75 l / cyl
D94 Series2.00 l / cyl
Agriculture & Forestry Industry
D9612
D9512
D976
D9508
D966
D956
D946
D964
D944
Combustion Engines by Liebherr20
Agriculture & Forestry Industry
Agriculture and construction share many similarities in their requirements for tough, efficient and torque producing power solutions. Our engines complying with all worldwide emission standards are able to cover the entire industry cycle from seeding to harvesting. Liebherr engines are particularly appreciated for the increase in efficiency they offer and their reduced total cost of ownership thanks to lower fluid consumption and longer oil change intervals.
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27.0 (1648)24.2 (1477)18.0 (1098)16.2 (989)13.5 (824)12.0 (732)12.0 (732)9.0 (549)8.0 (488)
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men
t in
litre
s (in
³)
Power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D94 Series2.00 l / cyl
Power in kW (hp)
Agriculture & Forestry Industry
D9612
D9512
D976
D9508
D966
D956
D946
D964
D944
D9616
D9612
Marine Industry
Combustion Engines by Liebherr 21
Marine Industry
Thanks to the outstanding performance and attractive footprint (size and weight), Liebherr engines en-tirely fit the requirements of the maritime and offshore industry. They are perfectly suited for harsh en-vironments and ideal for different applications such as tugs, fishing boats or smaller sea-going vessels. The engine also meets the requirements of auxiliary power generation for merchant ships like container carriers and tankers.
0 400 (544)
800 (1088)
1200 (1632)
1600 (2176)
200 (272)
600 (816)
1000 (1360)
1400 (1904)
36.0 (2197)27.0 (1648)
Disp
lace
men
t in
litre
s (in
³)
Power in kW (hp)
Power range
D96 Series2.25 l / cyl
0 400 (544)
800 (1088)
1200 (1632)
100 (136)
200 (272)
300 (408)
500 (680)
600 (816)
700 (952)
900 (1224)
1000 (1360)
1100 (1496)
27.0 (1648)24.2 (1477)18.0 (1098)16.2 (989)13.5 (824)12.0 (732)12.0 (732)9.0 (549)8.0 (488)
Disp
lace
men
t in
litre
s (in
³)
Power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D94 Series2.00 l / cyl
Power in kW (hp)
D9812
D9620
D976
D9508
D966
Oil & Gas Industry
Combustion Engines by Liebherr22
Oil & Gas Industry
Liebherr's engines for the oil and gas industry are built to last. They are manufactured to withstand the toughest working conditions while still being easy to maintain. With their low weight and assurance of reliable performance over their lifespan, Liebherr diesel engines meet the technical requirements of vari-ous oil & gas applications such as drilling, well servicing, coil tubing, well stimulation and cementing.
0 400 (544)
800 (1088)
1200 (1632)
1600 (2176)
2000 (2720)
200 (272)
600 (816)
1000 (1360)
1400 (1904)
1800 (2448)
62.0 (3786)45.0 (2746)18.0 (1098)16.2 (989)13.5 (824)Di
spla
cem
ent i
n lit
res
(in³)
Power in kW (hp)
Power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
D9812
D9620
D976
D9508
D966
Oil & Gas Industry
D9816
D9812
D9616
D9612
D976
D966
Railway Industry
Combustion Engines by Liebherr 23
0 400 (544)
800 (1088)
1200 (1632)
1600 (2176)
2000 (2720)
200 (272)
600 (816)
1000 (1360)
1400 (1904)
1800 (2448)
62.0 (3786)45.0 (2746)18.0 (1098)16.2 (989)13.5 (824)Di
spla
cem
ent i
n lit
res
(in³)
Power in kW (hp)
Power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
Railway Industry
Designed to achieve uncompromising performance and efficiency while operating at the lowest costs, Liebherr combustion engines are fulfilling the requirements of different applications of the railway indus-try, such as diesel-electric or diesel-hydraulic locomotives. Liebherr engines suit new and retrofit instal-lation due to its high power density and flexible operating profiles.
0 400 (544)
800 (1088)
1200 (1632)
1600 (2176)
2000 (2720)
2400 (3264)
2800 (3808)
200 (272)
600 (816)
1000 (1360)
1400 (1904)
1800 (2448)
2200 (2992)
2600 (3536)
82.7 (5048)62.0 (3786)36.0 (2197)27.0 (1648)18.0 (1098)13.5 (824)
Disp
lace
men
t in
litre
s (in
³)
Power in kW (hp)
Power range
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
D9816
D9812
D9616
D9612
D9512
D976
D9508
Mining Industry
Combustion Engines by Liebherr24
Mining Industry
Our combustion engines prove themselves to be cost effec tive in the extraction of raw materials in the mining segment. We develop and manufacture resilient components with high availability for deploy-ment in surface mining and deep min ing applications such as mining excavators, hauling trucks, wheel loaders or bucket excavators.
0 400 (544)
800 (1088)
1200 (1632)
1600 (2175)
2000 (2719)
2400 (3263)
2800 (3807)
3200 (4351)
3600 (4895)
4000 (5438)
82.7 (5048)62.0 (3786)36.0 (2197)27.0 (1648)24.2 (1477)18.0 (1098)16.2 (989)
Disp
lace
men
t in
litre
s (in
³)
Power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
Power in kW (hp)
D9820
D9816
D9812
D9620
D9616
D9612
D976
D9512
D9508
Power GenerationG9620
G9512
G9508
G946
G944
Combustion Engines by Liebherr 25
Power Generation Industry
In places such as hospitals, airports, data centers, etc., power should be available continuously, even under difficult conditions. Thanks to their reliability and robustness, Liebherr engines are the preferred choice. As we care about the environment, our gas engines are engineered to operate with biogas or natural gas, and our diesel engines to operating on a smaller resultant carbon footprint.
0 400 (544)
800 (1088)
1200 (1632)
1600 (2175)
2000 (2719)
2400 (3263)
2800 (3807)
3200 (4351)
3600 (4895)
4000 (5438)
4400 (5982)
103.4(6310)82.7 (5048)62.0 (3786)45.0 (2746)36.0 (2197)27.0 (1648)18.0(1098)24.2 (1477)16.2 (989)
18.0 (1098)
Disp
lace
men
t in
litre
s (in
³)
Power in kW (hp)
Diesel power range
D95 Series2.02 l / cyl
D96 Series2.25 l / cyl
D97 Series3.00 l / cyl
D98 Series5.17 l / cyl
0 100 (136)
200 (272)
300 (408)
400 (544)
500 (680)
600 (816)
700 (952)
800 (1088)
900 (1224)
1000 (1360)
1100 (1496)
48.7 (2972)
25.0 (1526)
16.7 (1019)
12.0 (732)
8.0 (488)
Disp
lace
men
t in
litre
s (in
³)
Power in kW (hp)
Gas power range
G94 Series2.00 l / cyl
G95 Series2.09 l / cyl
G96 Series2.44 l / cyl
Combustion Engines by Liebherr26
High Quality from Design to Testing
Combustion engines from Liebherr have proven their value for decades in the toughest situations and under the most extreme working conditions. Contributing towards their high level of reliability is not just their solid and secure design, but also consistent quality assurance and process monitoring in all areas of business.
Combustion Engines by Liebherr 27
Years of development expertiseAs early as 1985, the first engine designed by Liebherr en-gineers came off the production line. Since then, we have accumulated many years of experience in the development of combustion engines, whether they are Diesel engines and gas engines. Thanks to their extensive expertise, the latest construction and simulation methods, our engineers are laying the foun-dations to ensure that Liebherr engines meet highest quality requirements.
Your engineering partner Currently, around 250 engineers are continuously working on further engine developments and improvements. Proof of our engineering expertise is the numerous companies which have sought to partner with Liebherr for the development of new engine series in the past years.
Quality philosophy Our Liebherr quality philosophy starts at the first step with the design of our engines thanks to the latest methods and simulation and continues through each stage of production, whether it is goods entry, assembly, or testing. All critical and moving parts such as engine blocks, pistons, connect-ing rods, etc. are measured in our state of the art metrology centers, equipped with the latest 3D measuring machines. Our automated assembly lines offer an integrated high level of traceability. Before being delivered, each engine is sub-jected to a performance test under operating conditions (op-erational test). End-of-line tests are used to ensure the prod-uct quality. Quality assurance at production sites is certified in accordance with DIN EN ISO 9001/2008.
Quality and Reliability
Performance testsTo ensure engines are fitting your spec-ifications, each of them is tested under operating conditions before being de-livered.
Integrated traceabilityOur automated production lines allow an integrated high level of traceability which results in detailed and a com-plete report of the engine assembly.
Modern measuring devices 3D Measuring machines with measuring accuracy down to the μ-range offer the best prerequisites to achieve the level of quality expected by the customer.
Combustion Engines by Liebherr28
Emission Standards
Diesel engines from Liebherr preserve the environment and resources with low fuel consumption and reduced emissions. Liebherr offers exhaust gas aftertreatment systems that are adapted to the applica-tion and to legislative requirements applicable in each region respectively.
Inhouse solution developments Environment protection, customer requirements, and legal obligations are the core of our development for compact and efficient aftertreatment solutions. Not only do we develop our own aftertreatment solutions, but we are also at the forefront of innovation thanks to collaborations with a world-renowned technical institutes, and world-leading manufacturers for the development of innovative aftertreatment technologies. We are able to master the entire combustion chain from injection systems to Exhaust aftertreatment system modules through electronic hardware and software. Thanks to our profound knowledge, we not only optimize subcomponents, but also full systems. Dedicated test benches allow us to test engines and aftertreatment systems before beginning the series pro-duction.
System optimizationAs part of innovative exhaust gas aftertreatment strategies, Liebherr put the entire fuel combustion process under scruti-ny. This resulted, for example, in optimized combustion cham-ber geometry, more efficient turbocharger loading, and opti-mization of engine friction loss. Together with the development of the company's own injection systems and engine controls, this enabled the reduction of soot particles to a minimum.
Aftertreatment technologies
Power in kW (hp)
0 500 (680)
1000 (1360)
1500 (2040)
2000 (2720)
2500 (3400)
3000 (4080)
3500 (4760)
4500 (6120)
4000 (5440)
Basic engine
Basic engine with software adaptation
SCR only
EGR
SCR only
SCRFilter SCR only
Basic engine with software adaptation
(EU) 2016/1628 Stage V
USA EPA CARB Tier 4 final
ECE R96, H (IIIA conform)
IMO III
IMO II
USA EPA Tier 2 (or equivalent)
Fuel consumption optimized
Combustion Engines by Liebherr 29
Modular systemModularity is at the core of Liebherr's Diesel engines development: Each engine exists as a base version that can receive different exhaust gas aftertreatments to meet the required emission standards, includ-ing the most stringent global requirements. For Tier 4 final, Liebherr relies fully on an innovative SCR only system, and for Stage V on the SCRFilter system, both inhouse developments. Keywords being: compactness and a low TCO for the end customer. This means that OEMs only require one machine design to comply with all relevant industry Standards and Norms.
Model D93 In-line D94 In-line D95 In-line D95 V-engine D96 In-line D96 V-engine D97 In-line D98 V-engineConfiguration 4/6 4/6 6 8/12 4/6 12/16/20 6 12/16/20(EU) 2016/1628 Stage V • • • • • (•) •USA EPA CARB Tier 4 final • • • • • • • •ECE R96, H (IIIA conform) • • • • •IMO III • •IMO II • •USA EPA Tier 2 (or equivalent) • • •Fuel consumption optimized • • • • • • • •
SCRFilter
SCR
EGR
Combustion Engines by Liebherr30
Service
Our diesel and gas engines are designed to support the highest level of serviceability. The clear arrange-ment of the installed parts and a well-structured documentation facilitate the efficient performance of maintenance work. Ongoing training makes effective and accurate customer service operations pos-sible. Original spare parts are available quickly. The practically oriented assembly of maintenance and repair sets also contribute towards maximum operational readiness of the equipment.
Combustion Engines by Liebherr 31
Low total cost of ownership (TCO)Long maintenance intervals and short service operations ensure the high availability of Liebherr engines. The option of a general overhaul or reconditioning of the engines to an as-new status enables the service life of the engines to be significantly extended, thus reducing the total cost of owner-ship (TCO).
Optimal accessibility To make maintenance and service as easy as possible, care-ful attention was paid to the clear arrangement and accessi-bility of all service relevant parts during the design phase. As such, oil filters are easy to reach and most engines are fitted with individual cylinder heads.
Spare parts availability Parts required for maintenance and repair are stored in central Liebherr warehouses or are available directly from Liebherr service centers around the world. In this way, quick parts supply is assured. Repair work quality is increased by the use of original spares and maintenance parts.
Qualified training Comprehensive training courses prepare our customers‘ technicians to provide efficient customer support. Liebherr consequently offers hands-on basic and advanced training. In the well-equipped training center the experienced trainers can also simulate extreme repair operations.
Global organization for local availability and support
DigitalizationVery soon, thanks to the development of condition monitoring and predictive maintenance many more possibilities for scheduling services, fluid changes and maintenance will be available.
Maintenance and spare parts setsPractically-orientated maintenance and repair kits, such as packs of seals, facil-itate combined ordering of parts which need to be replaced together and en-sure a high level of repair quality.
Service operationsWhen required, customers are sup-ported by experienced Liebherr ser-vice technicians worldwide in customer support operations and trained on site.
Liebherr Components
From A to Z – the components division of the Liebherr Group offers a broad range of solutions in the area of mechanical, hydraulic, electric and electronic drive system and control technology. The efficient components and systems are pro-duced at a total of ten production sites around the world to the highest standards of quality. Central contact persons for all product lines are available to our customers at Liebherr-
Components AG and the regional sales and distribution branches.
Liebherr is your partner for joint success: from the product idea to development, manufacture and commissioning right through to customer service solutions like remanufacturing.
components.liebherr.com
Gas engines Diesel engines Fuel injection systems Axial piston hydraulics Hydraulic cylinders
Human-machine interfacesand gateways
Control electronics and sensor technology
Power electronics Control cabinets Software
Slewing bearings Gearboxes and winches Electric machines Remanufacturing
Liebherr-Components AGPost box 222, CH-5415 Nussbaumen / AG +41 56 296 43 00 [email protected]
Liebherr USA, CO.1465 Woodland Drive, Saline, MI 48176, USA +1 734 944 63 34 [email protected]
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