TM  9-6115-662-13&P 1-11  DIFFERENCES  BETWEEN  MODELS. Differences  between  the  PU-803,  PU-804,  and  AN/MJQ40  are  identified  in  table  1-3.  A  number (quantity) under the applicable power plant or power units column heading indicates that the item is a component of that power plant or power unit. Table 1-3. Differences Between Models AN/MJQ-40 AN/MJQ-40 Component UNIT  A UNIT B PU-803    PU-804 Generator Set, 50/60 Hz 1 1 1 Generator Set, 400 Hz 1 Switch Box 1 Power  cable 1 1-12 EQUIPMENT DATA. 1-12.1 1-12.2 1-12.3 Generator Set. Refer to TM 9-6115-644-10 for the data on the generator set. Trailer Chassis. Refer to TM 9-2330-205-14&P for the data on the trailer chassis. Tabulated Data. Refer to table  1-4 for  tabulated  data. Table 1-4. Tabulated Data for Power Units and Power Plant Tabulated  Data Overall  length,  inches Overall  width,  inches Overall  height,  inches Operational  weight,  pounds Shipping  weight,  pounds PU-803 165.00 165.00 165.00 94.50 94.50 94.50 83.50 83.50 83.50 5,740 5,700 5,700 6,740 6.700 5.900 PU-804 165.00 94.50 83.50 5,730 5,930 1-8