Class GF and GH high-sided wagons.
In 1950 a new high-sided wagon, GF13320, was introduced into service. It was followed by a second wagon, GF13319, in 1951. They were WAGR's first attempt at a high-sided wagon since the GD class of 1907. As can be seen from the WAGR official photos below they had detailed differences. These two wagons formed the prototypes of the GH class which seems to have been more closely based on GF13320 which had larger side and end doors than 13319. Confusingly GH was also the classification that was used for the prototype GM class open wagon GH13321. This was reclassified GM in 1953.

The WAGR official photos above allow comparison of the two prototype GF wagons. (RHWA collection)

The GH class went into mass production in 1953. In that same year both of the two GF prototypes were rebuilt as ZF class four wheeled brake vans.

The GH class wagons were built as follows:

1953 18401 - 18564 built Hoskins engineering
1954 18565 - 18945 built Hoskins engineering
1955 18946 - 19000 built Hoskins engineering

The WAGR outline diagram is shown below.

The first sub class to be derived from the GH was the short-lived GHR group of wagons fitted with ridgepoles. The second major group of conversions was the GHD class, which had additional cupboard doors above the side drop door. Some wagons were also used as the basis for NC and NW class flat wagons.
1955 18506, 18592, 18626, 18667, 18699, 18730, 18740, 18806, 18966 to GHR
1956 18966 converted from GHR
1957 18506, 18592, 18626, 18667, 18699, 18730, 18740, 18806 converted from GHR
1960 18655 written off
1963 18988 written off
1964 18793, 18806 to GHD

18759, 18547, 18910, 18746, 18999, 18700, 18617, 18619, 18501, 18897, 18464, 18595 to GHD 19001-19012

1965 18863, 18629, 18496, 18937, 18900, 18593, 18739, 18998, 18480, 18517, 18948, 18563, 18920, 18606, 18707, 18821, 18433, 18899, 18701, 18573, 18775, 18627, 18859, 18476, 18744, 18637, 18865, 18752, 18788, 18925, 18918, 18931, 18446, 18410, 18438, 18442, 18483, 18734 to GHD 19013 -19050

18428 to GHD

1966 18424, 18456, 18636, 18787, 18915, 18949 to GHD

Written off GH18655 to GHD!

1967 18404, 18419, 18430, 18462, 18466, 18507, 18508, 18521, 18535, 18596, 18607, 18613, 18633, 18689, 18692, 18724, 18741, 18802, 18832, 18839, 18851, 18860, 18934, 18935, 18951, 18963-6, 18971, 18981, 18984-6, 18989, 18992 converted to GHD
1968 18420, 18549, 18584, 18610, 18727 converted to GHD
1969 18437, 18647, 18861 converted to NW
1970 18534, 18589, 18678, 18944, 18968 written off

18405, 18418, 18422, 18450, 18509, 18552, 18566, 18568, 18663, 18972 converted to GHD

1971 18451, 18458, 18461, 18470, 18477, 18481, 18489, 18490, 18491, 18500, 18506, 18540, 18545, 18569, 18580, 18586, 18591, 18592, 18597, 18601, 18604, 18612, 18639, 18649, 18650, 18664, 18675, 18723, 18738, 18745, 18748, 18764, 18783, 18815, 18854, 18912, 18917, 18919, 18943, 18991, 19000 to GHD

18403, 18417, 18423, 18439, 18447, 18463, 18473, 18478, 18482, 18497, 18503, 18505, 18537, 18556, 18558, 18560, 18600, 18620, 18653, 18669, 18671, 18673, 18681, 18687, 18690, 18706, 18709, 18710, 18712, 18717, 18721, 18728, 18730, 18736, 18750, 18756, 18758, 18760, 18763, 18766, 18769, 18770, 18777, 18784, 18791, 18800, 18810, 18820, 18825, 18828, 18834-6, 18850, 18866, 18871, 18878, 18891, 18895, 18909, 18913, 18922, 18923, 18936, 18952-4, 18957, 18964, 18977, 18994, 18995, converted to NC

1972 18525 written off
In 1974 a group of ten wagons were fitted with Fibreglass roofs and reclassified GHA. The next set of conversions was the GHC class coal wagons, which had no side doors (GHB having been already used for some conversions from flat wagons). A steel-bodied conversion (GHE) followed in 1977. Finally some steel-bodied GHB class wagons were rebuilt from the other classes from 1979. After it was written off in 1986, the chassis of GH18523 was lengthened and used as a trolley at Midland Workshops.  I am unsure if this had a Jetty wagon number.

1974 18440, 18448, 18469, 18495, 18515, 18542, 18628, 18646, 18648, 18672 converted to GHA
1975 18529, 18765, 18990 written off
1976 18407, 18618, 18634, 18665, 18666, 18737, 18772, 18844, 18849 converted to GHC

18655 converted from GHD

18413, 18426, 18457, 18479, 18498, 18731, 18762, 18879, 18903, 18911, 18940 written off

1977 19046 converted from GHD

18747 converted to GHE

18511, 18516, 18527, 18531, 18674, 18843, 18868 written off

1978 19005 converted from GHD

18530, 18548, 18679, 18812, 18882 written off

1979 18584, 18689, 18984, 19009, 19033, 19048 converted from GHD

18484, 18499, 18512, 18528, 18651, 18656, 18803, 18804, 18829, 18867 converted to GHB

18432, 18449, 18493, 18631, 18635, 18798, 18853, 18887, 18889, 18921, 18960, 18996 written off

1980 18553, 18813 converted to GHB

18441, 18694, 18862 converted to GHE

18827 written off

1981 18827 written back

18781, 18822, 18830, 18993 written off

1982 18486, 18693, 18722, 18768, 18818 written off

18814, 18846, 18877, 18898, 18942, 18962 converted to GHB

1983 18774, 19048 converted to GHB

18789 written off

1984 18429, 18978 written off
1985 18401, 18402, 18406, 18408, 18409, 18412, 18416, 18421, 18431, 18434, 18436, 18460, 18467, 18471, 18472, 18474, 18475, 18502, 18510, 18514, 18518, 18519, 18522, 18524, 18536, 18544, 18546, 18550, 18559, 18572, 18577, 18594, 18598, 18599, 18603, 18605, 18611, 18614, 18615, 18623, 18624, 18640, 18645, 18657, 18660, 18670, 18677, 18684, 18689, 18696, 18697, 18702, 18713, 18715, 18718, 18719, 18732, 18733, 18735, 18740, 18742, 18743, 18751, 18754, 18755, 18761, 18767, 18771, 18776, 18792, 18797, 18805, 18807, 18808, 18809, 18811, 18817, 18826, 18827, 18838, 18845, 18847, 18855, 18856, 18858, 18869, 18880, 18886, 18892, 18893, 18896, 18905, 18926, 18927, 18938, 18945, 18946, 18947, 18950, 18955, 18965, 18967, 18969, 18970, 18982, 18984, 19046 written off
1986 18445, 18492, 18523, 18533, 18539, 18543, 18575, 18578, 18582, 18587, 18676, 18682, 18699, 18703, 18725, 18726, 18729, 18840, 18842, 18907, 18933, 18939, 18975 written off
1987 18414, 18425, 18444, 18459, 18488, 18538, 18551, 18564, 18576, 18583, 18590, 18602, 18609, 18641, 18642, 18667, 18686, 18691, 18704, 18749, 18753, 18757, 18780, 18782, 18785, 18799, 18801, 18833, 18837, 18841, 18848, 18864, 18885, 18904, 18916, 18941, 18956, 18959, 18973, 18974, 18987 written off
1988 18455 written off
1989 18411, 18487, 18680, 18685, 18779, 18796, 18924, 18961 written off
1990 18435, 18453, 18465, 18468, 18485, 18520, 18526, 18541, 18557, 18562, 18567, 18570, 18574, 18581, 18585, 18621, 18626, 18630, 18632, 18659, 18668, 18683, 18778, 18816, 18819, 18874, 18875, 18883, 18890, 18894, 18914, 18929 written off
1992 18622, 18643, 18786, 18790, 18932,
1994 18452, 18494, 18504, 18565, 18571, 18584, 18588, 18625, 18638, 18644, 18654, 18662, 18705, 18708, 18714, 18773, 18831, 18852, 18872, 18876, 18881, 18902, 18906, 18930, 18979, 19005, 19033 written off
1996 18997 written off

unaccounted for 18443, 18454, 18532, 18554, 18561, 18655, 18661, 18698, 18711, 18720, 18857, 18870, 18884, 18888, 19009

This class was rather unstable in their early days on poor W.A.G.R. track but at least two wagons (GH18596, 18881) were altered in a major way in an attempt to improve its riding in the 1950s.

On both of these wagons the wheelbase was extended to 13'. This modification did not result in a new classification. Interestingly 18596 then became a GHD in 1967, presumably retaining the long wheelbase.

At least two GH class wagons (18972 and 18974) were fitted with roller bearings in the 1950s. (I wonder about 18973 as well at least). The WAGR official photo at right from the RHWA collection shows 18974 with a return date in the 1950s so the roller bearings may have been fitted from new.

In 1968 twenty-three GH class wagons were rebuilt with new all steel bodies (18415, 18427, 18513, 18579, 18608, 18616, 18652, 18658, 18688, 18695, 18716, 18794, 18795, 18823, 18824, 18873, 18901, 18908, 18928, 18958, 18976, 18980, 18983).

No more of the class were re-bodied in this fashion but most of this group lasted well into the 1980s.

Similar wagons were built in classes GHB and GHE.

Disposal dates for these wagons are given below:

1971 18980 converted to NC
1975 18823 written off
1976 18873 written off
1977 18652 written off
1983 18824 written off
1985 18688, 18716, 18794, 18795 written off
1986 18958 written off
1987 18579, 18976 written off
1989 18616, 18695 written off
1992 18513, 18608, 18658, 18983 written off
1994 18415, 18427, 18901, 18908, 18928 written off
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