Acceptable diesel engine oil designations include: CF­4, CG­4, CH­4 and CI­4. If it is necessary to add oil use an oil certified for diesel engines.

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Level versions are built for underground or overhead-to-underground wiring. Tech Spec Crank Mechanism Adjustment Wiring Diagram Knockout Diagram.

KANSAS CITY, Mo. — is pleased to announce the sale of the Vigilant Automatic Transfer Switch (ATS) and manual transfer switch (MTS) product lines to Ronk Electrical Industries, Inc. The sale includes all assets associated with the Vigilant line, ranging from 100 amp to 1250 amp transfer switches and Milbank’s line of manual transfer switches. “Several years ago, Milbank made the strategic decision to focus on our core offerings: metering, enclosures and enclosed controls,” said Brad Skinner, President of Milbank.

“While we were successful with our Vigilant and manual transfer switch lines, we believe the sale of these is in our best interest and will position us for continued success in our core product lines.” The Vigilant ATS automatically transfers critical loads in the event of a power outage. It’s simple, rugged, contractor‐friendly design is suited for residential, agricultural and light industrial applications. The sale of the Vigilant ATS and MTS product lines will allow Milbank to focus its resources on its additional product lines.

“The addition of the ATS and MTS lines to our long established manual switch lineup allows us to provide our partners and customers the products they have requested from us in the past,” said Tom Giordano, National Sales and Marketing Manager for Ronk. “For many years, satisfied buyers have placed their confidence and trust in our reliable products and this is an additional high quality line that we can now provide to them.” Milbank has manufactured and sold Vigilant products since 2014. The sale to Ronk is expected to go smoothly, with product available shortly after the transition.

Ronk manual transfer switches are a fast, dependable, safe way to transfer 100-800A single loads between commercial power and auxiliary power sources for your entire home or business. We offer the LOWEST prices on all Ronk transfer switches! If you find a lower online competitor price, call us and we'll beat it.

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Free Shipping in the Continental U.S. On all Ronk Transfer Switches! Manual Transfer Switches 100-800A 1 Phase: 120/240 or 600 VAC 3 Phase: 208-240 or 600 VAC 200-400A 1 Phase: 120/240 VAC Service Entrance Rated 100-400A 1 Phase: 120/240VAC 200-800A 1 Phase: 120/240 or 600 VAC 3 Phase: 208-240 or 600 VAC.