# 2020 Miller BIG BLUE 400 PR for Sale in Fort Worth, Tx **URL:** ## Listing details - **Price:** Auction pricing - **Listing ID:** 89448092 - **Year:** 2020 - **Manufacturer:** Miller - **Model:** BIG BLUE 400 PR - **Category:** Welders - **Hours:** 167 - **Serial number:** 7LT1A101XLA002368 - **Location:** Fort Worth, Tx - **Auction starts:** 2026-11-18 ## Description 2019 US EPA Label, Mitsubishi S4L2 4 Cylinder 1.8 L Diesel Engine, 120 V / 240 V Rated Voltage Closing Time: 2026-11-18 04:00:00 PM ## About this model Miller BIG BLUE 400 PR is a diesel engine-driven welder/generator used for industrial welding and auxiliary power applications. It is part of Miller's Big Blue series and is commonly configured for stick, TIG, MIG, and flux-cored welding processes depending on setup and accessories. The unit is designed for jobsite, fabrication, maintenance, and construction use where portable high-output welding power is required. Typical features include engine-driven output, generator capability, and compatibility with remote controls and welding accessories. The BIG BLUE 400 PR is recognized as a heavy-duty welding power source for field operations, repair work, and multi-process welding environments. ## Photos ![2020 Miller BIG BLUE 400 PR](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/eaca4c25-5ecf-4f11-9034-496bf45bc25e-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/71343625-d63a-4a9b-a815-e855f023fab2-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/3605a163-8013-48a5-9264-32883e5a03a4-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/d8cec22d-57d7-4e0d-a8d6-81cc42800e8a-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/64b0a230-27f7-405f-bd38-db54f761d35a-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/8843392a-db31-4c85-9648-2a760fb77431-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/b53ac450-f1d8-47c7-b0ea-6c40a66cc2d4-hr.jpg) ![2020 Miller BIG BLUE 400 PR photo 8](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/23274/75/9ed5ae88-c8a0-4c74-88a4-c3979a96136a-hr.jpg)