Wisco Products Logo

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 Caps  

Our premium quality caps offer rugged, effective performance for a variety of heavy-duty fluid systems.

For use with locomotive, heavy-duty off-highway and industrial applications
Stainless steel pressure spring
Non-corrosive brass composition
16 gauge (.060") steel or stainless steel cover
400 Series caps are pressure tested at manufacture
Includes standard 12" stainless link safety chain

Wisco Products 400 Series Filler Caps
Wisco Products 400 Series Filler Cap dimensions
 
Style Material Plating Gasket
Material
Std. Pressure
Ratings
Chain Dipstick
(option)
 
401
Knurled
Series 400 Filler Cap with Knurled edges
.PDF |  .DWG


402
"T" Handle
Series 400 Filler Cap with T-Handle
.PDF |  .DWG


403
Bail Handle
Series 400 Filler Cap with Bail Handle
.PDF |  .DWG


404
Bail Handle
(with manual release
pushbutton)
Series 400 Filler Cap with Bail Handle and Pushbutton
.PDF |  .DWG


405
Bail Handle
(with booted,
manual release
pushbutton)
Series 400 Filler Cap with Bail Handle and Pushbutton and Boot
.PDF |  .DWG


406
Bar Handle
Series 400 Filler Cap with Bar Handle
.PDF |  .DWG


407
Bar Handle
(with manual release
pushbutton)
Series 400 Filler Cap with Bar Handle and Pushbutton
.PDF |  .DWG


408
Lever Cap
(with lever release)
Series 400 Filler Cap with Locking-Lever pressure release
.PDF |  .DWG

 

 
Steel

Stainless
Steel

Stainless
Steel (only)
 
Zinc,
Clear

Zinc,
Yellow

(No plating)
 
3863 / 3864
Nitrile -
Buna "N"

4697 / 4698
Viton -
60 durometer

3863-1 / 3864-1
Ethylene
Propolene

4697 / 4698
Viton -
60 durometer
 
0 (zero) PSI
(vented)

4 PSI

7 PSI

10 PSI

12 PSI

14 PSI

20 PSI



Other
XX PSI
(specify)
 
Stainless
Link
Safety Chain diagram

"S" Hook
S-hook diagram
 
Silver
Soldered to Retainer

(specify length
and markings)

Series 400 Filler Cap with Dipstick


Other
(specify)


View our dipstick reference