The reference for locomotives and railcars
Henschel DH 440 and DH 500
Germany | 1955 | 19 produced
DH 440 of the RWE power plant Frimmersdorf in the Rhenish Industrial Railway Museum
DH 440 of the RWE power plant Frimmersdorf in the Rhenish Industrial Railway Museum

The three-axle models of the second Henschel post-war generation started with the DH 390 and shortly afterwards the weaker DH 360. Soon the engine power was increased to 440 and finally 500 hp thanks to new engines. The engine used in the DH 440 was the MAN W 8 V 17.5/22 A with a displacement of 42 liters and eight cylinders, which reached its rated output at 1,100 rpm. The DH 500, on the other hand, received the Mercedes-Benz MB 836 Bb with a displacement of just under 30 liters from six cylinders, which, however, with 1,500 rpm was already one of the high-speed engines and was turbocharged

The DH 440 only reached a quantity of six, half of which went to various companies and half to the Danish State Railways. However, the latter had 120 copies built by Frichs as MH (II) without licensing. The DH 500 was offered from 1956 as a „Hüttenlok” (smelter locomotive) because it was a suitable locomotive for the narrow tracks of the metallurgical works with sufficient power for the heavy loads. This was partly thanks to the shorter overall length due to the smaller engine. It could anticipate some improvements that led to the DH 500 Ca from Henschel's third generation.

VariantDH 440DH 500
Axle configC 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length30 ft 11 5/8 in27 ft 2 3/4 in
Service weight89,287 lbs119,049 lbs
Adhesive weight89,287 lbs119,049 lbs
Axle load30,865 lbs39,683 lbs
Power sourcediesel-hydraulic
Top speed37 mph
EngineMAN W 8 V 17,5/22 AMercedes-Benz MB 836 Bb
Engine type8-cyl. diesel6-cyl. diesel
Fuel291 us gal (diesel)
Engine output434 hp (324 kW)493 hp (368 kW)
Power Plant
Calculated Values
diesel locomotive
last changed: 03/2022

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