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Male Jic X Male Komatsu Union

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Description & Features

This steel union adapter features a straight shape and connects male JIC to male Komatsu fittings. The JIC side has a 3/4" size with 1-1/16 - 12 UN callout, while the Komatsu side has a 30mm size with 20mm callout.

The Adaptall Male JIC X Male Komatsu Union provides a secure and reliable connection between these two common hydraulic fitting types. It has an Adaptall Ch Width of 32mm and Adaptall L Length of 57.9mm.

SKU: 9237-12-30

Supplier Part Number (MPN): 9237-12-30

Specifications

Connection Size 1
3/4 in
Connection Size 2
S30
Connection Type
Male JIC, Male Komatsu
Connection Type 1
Male JIC
Connection Type 2
Male Komatsu
Dimension Standards
SAE J514
Dimensions
65.5 mm L
Finish
Zinc-Plated
Fitting Type
Adapter
Hex Size
35 mm
Material
Steel
Material Construction
Carbon Steel
Series
9237 Series
Thread Size
1-1/16-12 x M30x1.5

Product Questions & Answers (2)

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Question by: Frank G on Aug 28, 2025, 9:50 AM
Will this fit my Komatsu equipment alright? Just want to be sure before I order.
Answer by: Customer Support on Aug 30, 2025, 7:34 AM
This union adapter is designed to connect male JIC fittings to male Komatsu fittings. On the JIC side, it fits a 3/4" size with 1-1/16 - 12 UN callout. The Komatsu side fits a 30mm size with a 20mm callout.
Question by: Phil W on Dec 8, 2025, 11:25 AM
Got a Komatsu machine that's leaking at the fitting and I need to swap in a JIC line from my other setup. This union here, the 9237-12-30, will it bridge those two together without needing extra adapters in the middle?
Answer by: Customer Support on Dec 9, 2025, 1:15 PM
One end threads directly into a Komatsu port at 20mm and the other end connects to a 3/4" JIC male fitting at 1-1/16-12 UN, so yeah, that single piece handles the transition. No additional adapters needed in between. Both sides are male, so make sure the mating ports on your line and your machine are female on each end before ordering.

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