| 词条 | Sri Lanka Railways M4 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
}}{{Infobox locomotive | name = Sri Lanka Railways M4 | powertype = Diesel-electric | image = | alt = | caption = Class M4 No. 755 Mahaweli | builder = Montreal Locomotive Works | ordernumber = M-6080 | serialnumber = M-6080-01 to M-6080-14 | buildmodel = MX-620 | builddate = 1975 onwards | totalproduction = 14 | rebuilder = | rebuilddate = | numberrebuilt = | aarwheels = | uicclass = Co′Co′ | gauge = {{track gauge|5ft6in|lk=on}} | trucks = | bogies = | wheeldiameter = | trailingdiameter = | minimumcurve = | wheelbase = Bogie: {{Convert|11|ft|2|in|mm|0|abbr=on}} | length = {{Convert|58|ft|3|in|m|2|abbr=on}} | width = | height = | axleload = | weightondrivers = | locoweight = {{convert|93|LT|t ST}} | fueltype = Diesel | fuelcap = | lubecap = | coolantcap = | watercap = | sandcap = | powersupply = | consumption = | watercons = | primemover = ALCO 251C3 | rpmrange = | enginetype = 4 stroke V12 diesel | aspiration = | displacement = | alternator = | generator = | tractionmotors = | headendpower = | cylindercount = 12 | cylindersize = | transmission = | multipleworking = | maxspeed = Design: {{Convert|104|km/h|0|abbr=on}} Service: {{convert|65|km/h|0|abbr=on}} | poweroutput = {{Convert|1750|hp|abbr=on}} | tractiveeffort = | factorofadhesion = | trainheating = | locobrakes = Air, Vacuum, Dynamic (Some vary) | locobrakeforce = | trainbrakes = | safety = | operator = Sri Lanka Railways | operatorclass = M4 | powerclass = | numinclass = 14 | fleetnumbers = 743–756 | officialname = See table | nicknames = | axleloadclass = | locale = | deliverydate = | firstrundate = 1975 | lastrundate = | retiredate = | withdrawndate = | preservedunits = | restoredate = | scrapdate = | currentowner = | disposition = | notes = }} The Sri Lanka Railways M4 is a class of diesel-electric locomotive manufactured in Canada by Montreal Locomotive Works. Fourteen of the manufacturers' model MX-620 were imported in 1975. This was the longest locomotive in the Sri Lanka Railways previously. All units are still operational. On regular operation they are not used beyond Polgahawela on the main line, and are not used on the hill country section. They used to travel on the full main line regularly until the previous decade. They are painted in a livery of dark blue, light blue, silver with yellow striping; although No. 752 Point Pedro was painted in a special ICE (Intercity Express) livery. Fleet
GalleryReferences
5 : Diesel-electric locomotives of Sri Lanka|MLW locomotives|Co-Co locomotives|Railway locomotives introduced in 1975|5 ft 6 in gauge locomotives |
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