| Class PZ-4 wagons entered service as Class L-1 (LJ-1) mechanical refrigerators between 1971 and 1972, to transport frozen products. They were converted to transport fish in 1989 by mounting the Class L-1 mechanical refrigerator bodies onto Class GZ-5, FB-1, OZ-8, OZ-9 or OZ-11 underframes that entered service between 1950 and 1978. Mechanical refrigerators are nearly all retired now, having been replaced by reefer containers.Number range 13 014 005 to 13 014 859 and 13 014 897 to 13 015 389, Length between couplers 13.076m, Length over headstocks 12.192m, Length between bogie pivot centres 8.230m, Height 3.750m, Width 2.438m, Door width 1.397m, Door height 1.797m, Tare (average) 22,000kg, Load 24,000kg, Floor area 23.2m2, Capacity 39m3. |