Wisco Products 400 Series Filler Necks

Filler Caps and Accessories

For Manufacturers of Rail Locomotives, Marine and Racing Vehicles, Liquid Processing Systems
and Storage, and Heavy Duty Off-Road, Construction, Mining, Farm and Forestry Equipment

400 Series Filler Necks

Our premium quality Series 400 necks offer rugged, effective performance for a variety of heavy-duty, pressurized fluid systems.

	For use in locomotives, heavy-duty off-highway equipment and industrial applications
	16 gauge (.060 in.) steel or stainless steel shell
	Non-corrosive brass components
	Stainless steel pressure spring
	Includes 12-in. stainless link chain as standard
	Every cap is pressure tested

Wisco Products 400 Series Filler Neck dimensions

Style	Material	Plating	Lock Latch (option)	Overflow Hole (option)	Overflow Connections (option)	Strainer Ring (option)
425 Standard .PDF \| .DWG	Brass Steel Stainless Steel	Zinc, Clear Zinc, Yellow	Neck Mounted Flange Mounted (ref. Mountings page)	1/4" Overflow Hole (not extruded) (also available as an extruded option) 3/8" Overflow Extruded Hole 1/2" Overflow Extruded Hole Filtered Vent (46 micron, stainless sintered disk)	3/8" OD x 1.75" L. Straight .065 wall Tube 1/2" OD x 1.75" L. Straight .065 wall Tube 3/8" NPTF Coupler Custom overflow tube connections available upon request	Order this option when a strainer will be used (strainer Ring is welded inside neck)