I would go with a generator mounted and a electric pump for the diesel
Like these, great idea topo.
The first is a Scot Centrifugal Pump unit,serial number: 387, mdl: C481404X7879, 50hp, 22.0amps, 24volts, duty 1-HR with 35 gallons per minute maximum discharge flow rate. 25 feet total head. Designed for hydrocarbon fuels and oils. Self-priming. 0.5 HP electric motor. DC current. Frame mounting, (just a thought)
second is a Ampco Pumps, MDL 1 1/4 X 1 KC2, Centrifugal Pump Unit with Baldor-Reliance Industrial Motor. 230/460v, 60hz, 3ph, 3450, 1hp. Pictures representative.
third is a T&J Manufacturing Co., Model 30D36R, Pow'r Gard, Diesel generator set powered by a Wisconsin Robin Diesel, Model WRDI-270, diesel engine. SN: 01375. Electric start with back up pull start. Key is available. 3 Kilowatts, Volts 120/240 AC, Amps 25.0/12.5, 60 Hz. Mounting type: Skid shock tubular frame.