Big John Manufacturing

Big John Mfg.

Computrol® III

Combines all the features of Computrol® I & II Seed Placement On the go, hydraulic population control Two automatic liquid controllers Dry fertilizer drive All communications required to do prescription planting Field mapping Computrol III® is compatible with most other GPS equipment

Computrol® II

Programmable Planting Monitors With today’s high cost of seed, fertilizer and chemicals, it makes sense to continuously monitor your planter. Big John Computrol II® programmable monitors are designed to add precision accuracy to your planting process. Modern planters, properly adjusted, do a good job of planting, but there are times when row units do not place the […]

Computrol® I

Improve Bottom Line Profits The Computrol I® Planter Drive is designed to put seed population control at your fingetips. Plant too little seed, and you sacrifice yield. Plant too much, and you waste money. Set your population rate and let the hydraulic population drive automatically maintain that rate. You have instant access to target rates, population count, […]