# MK-V at Oakville: deployment

Canonical ID: `976b7f44-ab78-43c8-84bf-e749d7a05843`

Constellation Brands received the first six production Monarch MK-V tractors on December 1, 2022 — the first Founder Series production deliveries. The fleet operates at Constellation's To Kalon Vineyard in Oakville, Napa Valley, CA, a 450-acre certified organic vineyard renowned for producing iconic Napa cabernets. The six-tractor electric autonomous fleet replaced diesel equipment for tillage, spraying, and canopy management tasks. The To Kalon team reported smooth operation and continued deployment through the 2023 growing season and beyond.

## Footage

- **video** (deployment): [Monarch Tractor MK-V launch](https://www.youtube.com/watch?v=2WnAgUseIVM). _Courtesy of Monarch Tractor_. Monarch Tractor's launch of the MK-V electric tractor. Monarch frames the MK-V as 'driver-optional', keeping the farmer in control whether seated or operating autonomously; operator-supervised autonomy.

## Key facts

- **Fleet size:** 6 MK-V tractors (first production run)
- **Vineyard:** To Kalon Vineyard, Oakville, Napa Valley
- **Acreage:** 450 acres, certified organic
- **First delivery:** December 1, 2022

**Trust tier:** Catalog entry · 3 sources · not yet field-verified

_Last updated: 2026-06-12_

- **Slug:** monarch-mk-v-constellation-brands-oakville
- **Status:** operational
- **Model:** [MK-V](/models/monarch-mk-v.md) (id: `f5976b8e-aead-4370-b178-304c0c769db1`)
- **Company:** [Monarch Tractor](/companies/monarch-tractor.md) (id: `dd089d64-e9c3-419d-8c43-896bfb6be47c`)
- **Location:** [Oakville](/locations/napa-ca/oakville-ca.md) (id: `03796728-6bff-440b-b856-2a06098f54f2`)
- **Operator:** [Constellation Brands](/companies/constellation-brands.md) (id: `96bd615d-8f30-4096-9beb-fc9a8e57dafa`)
- **First seen:** 2022-12-01T00:00:00.000Z

## Verification log (0, append-only)

_No verifications recorded._

## Sources (3)

1. https://www.businesswire.com/news/home/20221201005455/en/Monarch-Tractor-Launches-Production-of-Founder-Series-MK-V-The-First-Commercially-Available-Electric-Driver-Optional-Smart-Tractor · 2022-12-01
2. https://www.monarchtractor.com/blog/constellation-brands
3. https://www.monarchtractor.com/experiences/constellation-brands

## Common questions

### What is the MK-V deployment at Oakville?

MK-V, built by Monarch Tractor, is recorded as a deployment at Oakville on the DEPLOY registry. Constellation Brands operates the deployment.

### Who operates MK-V at Oakville?

Constellation Brands operates this deployment as a customer of Monarch Tractor, the manufacturer of MK-V.

### When did the MK-V deployment at Oakville go live?

The deployment is recorded as starting December 1, 2022 on the DEPLOY registry. Earlier activity may exist but is not yet sourced.

### Have there been incidents at the MK-V deployment at Oakville?

No active incidents affecting this deployment are recorded on the DEPLOY registry. Absence of recorded incidents is not a guarantee no incident occurred; DEPLOY records only sourced incidents and suppresses retracted ones.


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