TM 9-6115-660-13&P Table 1-3. Description of Major Components, PU-798, PU-798A, PU-799 and PU-799A Item No Item Name Description 1 GENERATOR SET. Supplies power to the load Refer to TM 9-6115-642-10 for major components of generator set. 2 TRAILER ASSEMBLY Provides support and mounting for generator set and accessory box. 1-11 DFFERENCES BETWEEN MODELS. Differences  between  the  ANMJQ37,  AN/MJQ38,  PU798,  PU798A,  PU799  and  PU799A  are  identified  in  table  14.  A number (quantity) under the applicable power plant or power unit column heading indicates that the item is a component of that power plant or power unit. Table 1-4. Differences between Models Component AN/MJQ-37 AN/MJQ-38 PU-798 PU-799 PU-98A PU- 799A Generator Set, 60 Hz 2 1 1 Generator Set 400 Hz 2 1 1 Switch Box 1 1 Trailer Chassis, 1 Ton, M116A3 1 1 Trailer Chassis, 1 1/2 Ton, M103A3 1 1 Trailer Chassis, High Mobility 1 1 1-12  EQUIPMENT DATA. 1-12.1  Generator Set. Refer to TM 9-6115-642-10. 1-12.2  Trailer Chassis. 1-12.2.1  AN/MJQ- 37 and ANMJQ-38, 1 1/2 Ton Trailer Chassis. Refer to TM 9-2330-213-14&P. 1-12.2.2  PU-798 and PU-799 1 Ton Trailer Chassis. Refer to TM 9-2330-202-14&P. 1-122.3  PU-798A and PU-799A High Mobility Trailer Chassis. Refer to TM 9-2330-392-14&P. 1-12.3  Tabulated Data for Power Plants/Power Units. Table 1-5.  Tabulated Data for Power Plants/Power Units Data AN/MJQ-37 AN/MJQ-38 PU-798 PU-799 Overall length, inches (cm) 165.0 (419.1) 165.0 (419.1) 147.0 (373.4) 147.0 (373.4) Overall width, inches (cm) 83.0 (210.8) 83.0 (210.8) 83.5 (212.1) 83.5 (212.1) Overall height, inches (cm) 70.2 (178.3) 70.2 (178.3) 76.0 (193.0) 76.0 (193.0) Operational weight, pounds (kg) 4334 (1965.9) 4350 (1973.1) 2457 (1114.5) 2469 (1119.9) Shipping weight, pounds (kg) 4540 (2059.3) 4550 (2063.9) 2660 (1206.6) 2670 (1211.1) 1-8  Change 2