Big John Manufacturing

Big John Mfg.

842D: Research/Plot

Home PDF High Clearance Tractors 842d-research-plot

The PDF 842D Hi-Pro tractor is designed for special research applications. Versatile, compact, flexible and maneuverable, this allows the highest possible machine utilization. The 842D Hi-Pro is build with the plot work in mind whether it be Spraying, Observation and date gathering, Planting, or Transplanting, The 842D Low-Pro Variant is designed to be utilized for numerous jobs such as: Spraying, Rope wick applications, Backhoe, Rogueing, Cultivating, Sweeping, Mowing, and Levee Cutting. The rear pivoting axle along with independent wheel suspension provides the best control and ride quality, while keep all wheels on the ground through even the worst field conditions. Our Specially designed leg configuration retains maximum strength with a minimal profile width allowing the PDF 842D to work in spaces and rows where others can't. Our 2-Speed 4-wheel drive propel system gives you the high torque needed for field operations yet allows road speeds up to 15 MPH to move between jobs.

Operator Platform Open Air ROP Sun Shade
High Vis Sound Guard Cab
Engine 140 HP T4F Turbo Diesel
150 HP Industrial Gasoline
Frame (Crop) Clearance 4’
Leg (Row) Spacing

Static (non adjustable)
Manual adjustable
Hyd adjustable

72” to 120”
90” through 108”
90” through 108”
Leg Suspension Independent RTS Mechanical spring
Independent Apex RTS Hydraulic
Tire Size 9.5 x 32”
Steering Phased Priority Hyd front wheel steering
Electric over Hyd 2 by 4 wheel steering Ctrl

Front or Rear Mount Spray Boom
Rear mount MistBlower attachment
Front and/or Rear 3pt Lift
Front Mount Mower deck
Front Mount Snow Blower
Rear mount Chisel

30’ to 50’
Attachment Control Finger Tip Control Joystick
Automatic Rate Control
Electric over Hyd Flow Control
Electric over Hyd height Control
Four pump segregated Hydraulic System Reduce cross contamination from system failure
Provides redundant system reliability
Insure priority flow to critical systems
Electronics Packages LED 360° Road, Work, and Hazard Lighting
Digital Engine Display
Reverse strobe and flasher
Rear View camera and display
PDF Tassel-Ray depth control