Bendix 800840 MV-3 Dash Valve, M6 x 1-6H Mounting Holes, 3/8" PTC Ports Part Number: 060-800840

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This MV‑3 variant (Bendix 800840) features 3/8" push‑to‑connect supply, delivery, and exhaust ports along with M6 x 1‑6H threaded mounting holes. It shares the same mounting pattern and port orientation as the Bendix 800841 PP‑DC valve, making it suitable for applications where a tractor protection system is being added to an existing PP‑DC installation. This model is supplied as a complete MV‑3 dash valve assembly.

Special Notes

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Product Description

Manufacturer: Bendix

Part Number: 800840

Condition: New

Supply 11 Port: 3/8" PTC

Supply 12 Port: 3/8" PTC

Delivery 21 Port: 3/8" PTC

Delivery 22 Port: 3/8" PTC

Exhaust Port: 3/8" PTC

Auxiliary Port: None

Mounting Holes: M6 x 1‑6H threaded (4x)

Tractor Trip Pressure: 30 ± 10 PSI

Trailer Trip Pressure: 35 ± 10 PSI

Trailer Override Pressure: 25 ± 5 PSI

Button(s) Included: Yes

The Bendix MV-3 Dash Control Module is a dual-button, push-pull valve that controls the tractor and trailer parking brake circuits from a single dash-mounted assembly. It consolidates tractor protection, trailer supply, and system park functions into one compact unit, replacing any existing two- or three-valve push-pull system with reduced plumbing complexity.

The MV-3 uses an integrated dual-circuit supply check valve to manage both primary and secondary reservoir connections, providing automatic trailer brake application if supply pressure drops to approximately 20-45 PSI, with a non-override trip piston activating at 20 PSI. The non-metallic, non-corrosive valve body has all air connections at the rear, with an optional auxiliary port available on select configurations.

Cross References: 800840, 060-800840, 5008383, 745-800840, 2506188C91, ZAC800840, BW800840, 5005856, K028237, K077373, K097232, K125904
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. You should check the description to be sure it will work in your application.