D+J Diesel Fire pump system, with diesel engine pump, jockey pump and control panel. D+J DIESEL FIRE PUMP SYSTEM.Operation: 1 diesel + 1 JockeyCapacity: 50,100, 150 ... , 6, 7 Bar 1. Diesel engine pump, with capacity equal to electric pump capacity, fuel tank.2. Jockey pump, horizontal or vertical, 10, 15 ...