DARLEY HERCULES 64 HP portable water pump

Description

Darley Hercules Portable Pump.  64 HP Rotax 582-99 blue head engine.  This unit has electric start, and oil injection.  Engine was completely overhauled by Heavenbound Aviation, a well known and long time authorized Rotax service center.  Below are some specs from the manufacturer:
https://www.darley.com/pump-guide/product-portable-gas/he-64rp-hercules-portable-pump
Rotax 582: Liquid-cooled, 64 HP, 2 cycle with oil injection, 12-volt electric starter, recoil rope start back-up.
575 gpm (2176 L/M) @ 100 psi (6.9 bar)
320 gpm (1211 L/M) @ 200 psi (13.8 bar)
165 gpm (625 L/M) @ 250 psi (17.2 bar)
170W lighting and recharging coil
Aluminum alloy casing
Bronze impeller and seal ring
Stainless steel impeller shaft
Mechanical seal
Belt driven rotary primer
Heat exchanger with thermal protection circuit
Wrap around frame with fold out handles
Loss of prime shutdown
Pressure governor
Vernier throttle
4” NH suction with screen
2-¼turn self-locking 2½” NH discharge ball valves with caps