page_title: Vossloh G1700 BB
section_title: SBB-CFF-FFS Am843
hierarchical_section_title: Vossloh G1700 BB / Operators / 1.5 MW CAT engined G1700 / SBB-CFF-FFS Am843
caption_attribution_description: English: SBB-CFF-FFS Am 843 (G 1700-2 BB) shunting in Biel Deutsch: SBB Am 843 (G 1700-2 BB) rangiert in Biel
context_page_description: The Vossloh G1700 BB is a four axle B′B′ medium power diesel-hydraulic locomotive manufactured by Vossloh Locomotives GmbH. in Kiel.
  The locomotive type is operated by private rail operators in Germany and Austria. In addition, a large order from the Swiss Federal Railway resulted in a variation of the locomotive, designated Am843, now also operated by other rail companies in Switzerland; this variant represents the majority of the locomotives of this type produced.
  Locomotives equipped with a Caterpillar engine are sometimes referred to by the sub classification G1700-2.
context_section_description: An order with the Swiss Federal Railways for 59 diesel locomotives to replace the Bm 6/6 and Em 6/6 types for heavy shunting in freight yards, and trip and construction work resulted in the SBB Am843. The locomotives use a Caterpillar Inc. 3512B DI-TA SCAC engine rated at 1,500 kW (2,000 hp) and Voith L5R4zseU2 two speed hydraulic transmission giving a 40 km/h (25 mph) top speed in the lower gear. The locomotives also have a particulate filter engineered by Hug Engineering of Switzerland which reduces NOx and particulate emissions to low levels.
  Initially the order of 59 locomotives was for 40 for SBB Cargo, 14 for infrastructure and 4 for passenger services, as the order was fulfilled the locomotives assigned to passenger train work were reassigned to SBB Cargo, and. with the increase in cross border traffic, fitted with the Indusi safety system for German operations. 14 more locomotives were ordered in 2005.
  Locomotives numbered Am843-001 to Am843-028 are assigned to the infrastructure division (SBB Infra), Am843-041 to Am843-043 were delivered in 2009 and assigned to passenger division SBB Personenverkehr, and Am843-050 to Am843-095 were assigned to SBB Cargo.
caption: SBB Am843, infrastructure division, in Biel (2008)
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