About Product
2021 John Deere R4030 – Poly Tank Sprayer with 120’ Boom & Tread Adjust
This 2021 John Deere R4030 is a Certified Pre-Owned self-propelled sprayer equipped with a 120-foot boom, poly tank, and 20-inch nozzle spacing for efficient, wide-area coverage. With hydraulic tread adjust and traction control, it delivers excellent field versatility and stability across varied crop types and terrain.
Fitted with a guidance display (receiver not included), the machine is fully guidance-ready, enabling easy integration with StarFire systems for precision application. Mid-width tires strike the right balance between flotation and crop row clearance.
Top features include:
John Deere Certified Pre-Owned status with full inspection
120 ft boom for maximum spray coverage
Poly tank – durable and chemical-resistant
20 in nozzle spacing for accurate product placement
Hydraulic tread adjust for variable row spacing
Traction control for improved handling in soft conditions
Guidance-ready with display installed (no receiver)
Mid-width tires for flexible row spacing and flotation
Well-maintained and ready for high-acreage use
A reliable, mid-size sprayer for growers seeking performance, technology, and field-ready capability.