NZR H class
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NZR H class

H 199 in the Fell Engine Museum, 20 March 2002.
NameNZR H class
PowertypeSteam
CaptionH 199 in the Fell Engine Museum, 20 March 2002.
Builddate1875 (4)
1886 (2)
BuilderAvonside Engine Co., England (4)
Neilson & Co., Scotland (2)
SerialnumberAvonside 1072 � 1075
Neilson 3468 � 3469
Weight34.0 LT
Whytetype 
Firstrundate1878
Lastrundate29 October 1955
Disposition5 scrapped
1 preserved
Numinclass6
Weightondrivers26.0 LT
Wheelbase14 ft 3 in (4.3 m)
Boilerpressure130 psi (39.6 m)
Gauge1067al=onlk=on
CurrentownerFell Engine Museum
Wheeldiameter32 in (81.3 cm) driving
23.5 in (59.7 cm) adhesion
CylindercountFour total
two driving, two adhesion
Cylindersize14 x 16 in (35.6 x 40.6 cm ) driving
12 x 14 in (30.5 x 35.6 cm ) adhesion
Tractiveeffort12550 lbf (31877 kN) driving
11000 lbf (27940 kN) adhesion
Topspeed15 mph (24.1 km/h)
RetiredateMarch 1956
Restoredate1981 - 1989
Scrapdate1956
LocaleRimutaka Incline, Wairarapa, North Island
Roadnumber199 � 204
Length24 ft 1 in (38.8 1)
Width8 ft 6 in (13.7 1)
FueltypeCoal
Fuelcap0.5 LT (0.8 t)
Watercap714 impgal (3245.9 L)
Firearea13.0 sqft (1.2 m2)
Totalsurface858 sqft (79.7 m2)
PreservedunitsOne (H 199)
ValvegearStephenson (199 - 202)
Joy (203 - 204)

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The NZR H class locomotive was a unique class of locomotive used by the New Zealand Railways Department on the famous Rimutaka Incline, the three-mile section of 1 in 15 gradient between Cross Creek and Summit, over the Rimutaka Ranges. The locomotives worked on the Fell mountain railway system and had four horizontal driving wheels between the frames, gripping a centre rail and providing the extra adhesion needed for the climb. The outside engines drove the rear pair of coupled wheels of 32" diameter, and the inside cylinders four spring-loaded grip wheels of 22" diameter. On the descent, powerful hand-brakes bore against the centre rail, and brake vans with similar braking gear were interspersed at intervals in the train. The locomotives were never required to run at speeds higher than 15 mph, and their usual operating speed was between four and six mph ascending the incline, about ten mph descending.

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Key:

Number Builder Entered service Withdrawn Notes
199 Avonside January 1, 1877 March , 1956 Originally H 1 and named Mont Cenis
Preserved on static display at Fell Engine Museum, Featherston
200 Avonside October 16, 1878 March , 1956 Originally H 2 and named Mount Cook
Scrapped at Silverstream in 1956
201 Avonside October 17, 1878 March , 1956 Originally H 3 and named Mount Egmont
Scrapped at Silverstream in 1956
202 Avonside October 18, 1878 March , 1956 Originally H 4 and named Mount Tongariro
Scrapped at Silverstream in 1956
203 Neilson November 1, 1886 March , 1956 Scrapped at Silverstream in 1956
204 Neilson August 9, 1886 March , 1956 Scrapped at Silverstream in 1956

Rail vehicles of New Zealand

Battery electric locomotivesE - EB
Diesel locomotivesDA (inc. DAA, DAR) - DB (inc. DBR) - DC (inc. DCP) - DE - DF (English Electric) - DF (General Motors) inc. DFT - DG (inc. DH of 1956) - DH of 1978 - DI - DJ - DL - DQ (inc. QR) - DS - DSA - DSB - DSC - DSG - DSJ - DX (inc. DXB, DXC and DXR) - TR
Diesel Multiple UnitsADK (inc. ADB trailers) - ADL (inc. ADC trailers)
Electric locomotivesEA (later EO of 1968) - EC - ED - EF - EO of 1923 - EW
Electric Multiple UnitsDM (inc. D trailers) - EM (inc. ET trailers) - "Matangi" FP (inc. FT trailers)
RailcarsRM class railcars: 88 seater (also known as Fiats or twinsets) - Clayton steam railcar - Edison battery-electric railcar - Leyland diesel railbus - Leyland experimental petrol railcar - MacEwan-Pratt petrol railcar - Model T Ford railcar - Sentinel-Cammell steam railcar - Silver Fern - Standard - Thomas Transmission - Vulcan - Wairarapa - Westinghouse

Non-RM class railcar: A 88 Buckhurst petrol carriage

Steam locomotivesA of 1873 - A of 1906 (inc. Ad) - AA - AB - B of 1874 - B of 1899 - BA - BB - BC - C of 1873 - C of 1930 - D of 1874 - D of 1929 - E of 1872-75 - E of 1906 - F - FA (inc. FB) - G of 1874 - G Garratt of 1928 (inc. Pacific rebuild) - H - J of 1874 - J of 1939 - JA - JB - K of 1877 - K of 1932 - KA - KB - L - LA - M - N - NA - NC - O - OA - OB - OC - P of 1876 - P of 1885 - Q of 1878 - Q of 1901 - R - S - T - U - UA - UB - UC - UD - V - W - WA - WAB (inc. WS) - WB - WD - WE - WF - WG - WH - WJ - WW - X - Y
Locomotive hauled carriages50-foot carriage - 56-foot carriage - ex-British Rail Mark 2 carriage- AK carriage - FM class guards van
See also: Locomotives of New Zealand; Motive power explanation; Multiple units and Railcars descriptions.



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