WAGR H class (diesel)

{{Short description|Diesel electric locomotives}}

{{Use dmy dates|date=January 2022}}

{{Infobox locomotive

|name = Western Australian Government Railways H class

|powertype = Diesel-electric

|image =

|alt =

|caption =

|builder = English Electric, Rocklea

|ordernumber =

|serialnumber = A.081-A.082, A.085-A.087

|buildmodel =

|builddate = 1964–1965

|totalproduction = 5

|rebuilder =

|rebuilddate =

|numberrebuilt =

|aarwheels = B-B

|uicclass = Bo-Bo, Bo′Bo'

|gauge = {{RailGauge|1435mm|allk=on}}

|trucks =

|bogies =

|wheeldiameter = {{convert|3|ft|4|in|mm|0|abbr=on}}

|trailingdiameter =

|minimumcurve = {{convert|264|ft|m|3|abbr=on}}

|wheelbase = {{convert|31|ft|3|in|m|3|abbr=on}} total, {{convert|7|ft|9|in|m|3|abbr=on}} bogie

|length = {{convert|45|ft|4|in|m|3|abbr=on}} over couplers

|width = {{convert|9|ft|6|in|mm|0|abbr=on}}

|height = {{convert|13|ft|8|in|mm|0|abbr=on}}

|axleload = {{convert|18|LT|t ST|1|disp=br()}}

|weightondrivers =

|locoweight = {{convert|71.3|LT|t ST|disp=br()}}

|fueltype = Diesel

|fuelcap = {{convert|1000|impgal|L USgal|abbr=on|disp=br()}}

|lubecap =

|coolantcap =

|watercap =

|sandcap =

|powersupply =

|consumption =

|watercons =

|primemover = EE 6CSRKT mark 2

|rpmrange = 850rpm max

|enginetype = 6 inline Diesel
four stroke, four valves per cylinder

|aspiration = Turbocharged, intercooled

|displacement =

|alternator =

|generator = EE 819/8F

|tractionmotors = EE 538

|headendpower =

|cylindercount = 6

|cylindersize = {{convert|10|x|12|in|mm|0|abbr=on|disp=br()}}

|transmission = electric

|multipleworking = 110V, stepless electro-pneumatic throttle

|maxspeed = {{convert|65|mph}}

|poweroutput = {{convert|950|hp|kW|-1|abbr=on}} gross, {{convert|860|hp|kW|-1|abbr=on}} net

|tractiveeffort = {{convert|37700|lbf|kN|1|abbr=on}} at {{convert|6.5|mph|kph|-1|abbr=on}}

|factorofadhesion =

|trainheating =

|locobrakes = Air, dynamic brake

|locobrakeforce =

|trainbrakes = air

|safety =

|operator = Western Australian Government Railways

|operatorclass =

|powerclass =

|numinclass = 5

|fleetnumbers = H1-H5

|officialname =

|nicknames =

|axleloadclass =

|locale =

|deliverydate =

|firstrundate = 1965

|lastrundate =

|retiredate =

|withdrawndate =

|preservedunits =

|restoredate =

|scrapdate =

|currentowner = SCT Logistics

|disposition = 3 in service, 1 stored, 1 scrapped}}

The H class are a class of diesel locomotives built by English Electric, Rocklea for the Western Australian Government Railways in 1964–1965.