Nijhuis Model HGT1-250-500 Heavy Duty Fire Pump. Horizontal suction and discharge. Suction side on left hand side as viewed from the rear. Vulkan torsional input coupling, Model VL3011-2810/18. Flywheel mounted and connected to fire pump input shaft. Complete fabrication of base, assembly of engine & pump, lazer alignment of all components at time of original shipment.