We have a proven track record of supplying LP gas filling equipment to over 800 locations nationwide.
With technology cultivated over more than 70 years and a nationwide support system, we support the stable operation of our customers' equipment.
UNIDACK is a service provided through a collaboration between Daido Kogyo Co., Ltd. and Kubota Corporation.
This is a brand of LP gas filling equipment.
By combining Kubota's high-precision weighing technology with Daido Kogyo's expertise in proposing and implementing industrial machinery, we provide comprehensive support from LP gas filling machine selection and installation to after-sales support.
UNIDACK's strengths
Daido Kogyo has supported the installation and upgrade of equipment for many LP gas manufacturers through the UNIDACK series.
With our extensive experience and nationwide support system, we propose the optimal LP gas filling equipment for our customers.
Over 800 locations
A leading domestic market share in delivery実績 that supports customer safety and security.
Six locations nationwide
Our locally-based sales representatives will assist you with any inquiries.
UNIDACK's strengths
ReasonReason | 01 |
UNIDACK boasts a track record of deliveries to over 800 locations nationwide, from Hokkaido to Okinawa. Backed by our No. 1 market share in Japan *, our extensive delivery record is a testament to the trust we've earned from being chosen by so many customers. We aim to continue being the preferred manufacturer by incorporating our experience in implementing solutions for customers of various regions and scales, as well as the feedback and requests we receive from our customers, into our product development and services.
*According to Daido Kogyo (as of July 2026, domestic LP gas filling machine delivery record)
UNIDACK holds the No. 1 market share for LPG filling machines in Japan.
Others: Companies that have already gone out of business, mechanical filling machines, etc.
reason | 02 |
For many years, Daido Kogyo has sold and supported LP gas filling equipment, ensuring the stable operation of numerous customers. We continue to improve our equipment in line with the times, providing products that meet our customers' needs.
Leveraging our knowledge and experience in filling equipment, we provide continuous support from installation to operation.
reason | 03 |
With a locally focused sales system based in six sales offices nationwide and eight support centers across the country, we provide meticulous support to meet our customers' needs. Even after equipment installation, we provide prompt and high-quality support from the location closest to the customer, including maintenance and troubleshooting, to ensure the stable operation of the equipment.
UNIDACK series
We will propose products tailored to the scale of your facilities and the challenges you wish to solve.
Click on the product you're interested in to view its details page.
Large scale, high capacity, and diverse operations
A fully automatic type that achieves both.
cylinder are loaded onto a rotating table.
A 3/4 automatic type that only requires you to do the work.
In addition to opening and closing cylinder valve,
Even more convenient: a multi-functional semi-automatic type.
A compact, cost-effective type that can be replaced on weekends.
Features include refilling reservation and automatic dispensing.
A semi-automatic type equipped with this feature.
In addition to opening and closing cylinder valve,
Even more convenient: a multi-functional semi-automatic type.
Resin-filled explosion-proof digital load cell
A manual type is installed.
Easy installation, short construction period
Cost-effective type.
Customer Feedback
Gas One Holdings Co., Ltd. [Saitama Prefecture]
The main deciding factors were "the system in place to receive a quick response when problems arise"and"the trust based on past achievements." Furthermore, by standardizing the filling machine manufacturer within the group, we have been able to link cylinder data and centralize information management, which has led to increased operational efficiency.
Fukui Tsubame Shoji Co., Ltd. [Fukui Prefecture]
During our evaluation, we also compared it with filling machines from other companies.In Fukui Prefecture, more than 70% of filling stations that have introduced electronic filling machines use UNIDACK filling machines, and this track record of being the preferred choice in the region gave us confidence.
Mitsuwa Co., Ltd. [Hyogo Prefecture]
The time and cost involved in repairs and maintenance were a challenge, but UNIDACKhas a prompt support system in place, whichallowed us to implement it with confidence. The sense of security backed by their extensive track record of successful installations was also a major deciding factor.
We've published 7 case studies, including upgrades from other manufacturers' filling machines and updates to filling management systems.
Useful Articles
What makes the UNIDACK filling machine so accurate and safe? We will clearly explain the features of Kubota's unique high-precision load cell technology, thorough quality control, and the latest model, "S-EA-IV."
This article explains the testing methods and characteristics of both water-sack and non-water-tank pressure resistance tests. It is recommended for those who want to learn about cylinder re-inspection process and pressure resistance testing methods.
Please feel free to contact us if you are considering upgrading or installing new equipment.
Based on our extensive track record and years of experience, we will provide you with the optimal solution tailored to your equipment size, operating methods, and specific requirements.
Consultations take just one minute. For urgent inquiries, we can also assist you by phone.
