PROTO Puller Step Plate: For 3/4 in Bore Dia - Min
The PROTO J4040-1 is a step plate for hollow shaft applications, designed for a minimum bore diameter of 3/4 in. This PROTO-branded puller accessory is identified by manufacturer part number J4040-1.
SKU 3G-OTH-295974
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Product Description
The PROTO J4040-1 is a step plate for hollow shaft applications, designed for a minimum bore diameter of 3/4 in. This PROTO-branded puller accessory is identified by manufacturer part number J4040-1.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO J4040-1 puller step plate used for?
The PROTO J4040-1 step plate is used in hollow shaft applications to provide a stable bearing surface for puller jaws during gear, bearing, or pulley removal. It fits a minimum bore diameter of 3/4 in and is a PROTO-branded accessory, part number J4040-1.
What are the specifications of the PROTO J4040-1 step plate?
The PROTO J4040-1 step plate has a minimum bore diameter of 3/4 in. It is manufactured by PROTO under part number J4040-1. This puller accessory is designed for hollow shaft applications and is compatible with PROTO puller systems.
Where to buy the PROTO J4040-1 step plate worldwide?
You can source the PROTO J4040-1 step plate through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct PROTO step plate for a puller?
To select the correct PROTO step plate, match the minimum bore diameter of your application to the plate's specification. The J4040-1 requires a minimum bore diameter of 3/4 in. Ensure compatibility with your PROTO puller model and shaft type for safe operation.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO step plates for hollow shaft applications. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














