Slide background


Slide background

4000, 5000 & 6000L STAINLESS STEEL TANKS

Slide background


Slide background


Slide background




Sprayer type – Trailed

Tank sizes – 4000, 5000, 6000 litres

Boom widths – 24 to 40 metres

Released in 2006, the Chafer Sentry trailed sprayer has become the standard to which others in the industry work to. Designed with large scale arable farmers and contractors in mind, the Sentry is specified to ensure maximum accuracy and efficiency are achieved in all conditions.

View Sentry sales brochure


Sentry Specifications


Standard Fitment

  • Box section chassis
  • Rigid drawbar with hook pick up
  • Folding drawbar stand
  • Tank access platform with steps
  • Load compensating triple air spring suspension
  • 12v air compressor
  • Hydraulically braked 10 stud axle with parking brake
  • “Traxle” Auto tracking axle
  • Hydraulically operated axle lock
  • Height and track adjustable mudguards
  • Twin storage lockers
  • LED road traffic lighting

 Optional Extras

  • Continental pick up hitch
  • Load compensating air brakes
  • Load sensing hydraulics
  • Worklights
  • Flashing beacon
  • Side mounted storage box


    Standard Fitment

    • Stainless steel 4,000l internally baffled tank
    • Hinged inspection lid
    • 500l clean water tank
    • Dry tank contents sight gauge
    • Triple tank rinse and tank agitation system
    • Hand wash water tank

     Optional Extras

  • 5000 and 6000l tank upgrades


    Standard Fitment

    • 18-30m twin fold boom
    • 30-40m triple fold boom
    • Electrohydraulic control of boom lift, fold, tilt and independent tilt (where fitted)
    • ¾” or 1” stainless steel spray line with 0.5m jet spacing
    • Triple outlet anti-drip nozzle bodies
    • Spray line prime and purge
    • Electric ball valve section shutoff

    Optional Extras

  • Independent tilt (standard on triple fold, optional on twin fold booms)
  • Independent fold (standard on triple fold outer sections, optional on twin fold booms)
  • Manual fold back tip sections
  • Quin nozzle bodies
  • Air section shut off
  • Additional nozzle body
  • Chafer Contour automatic boom levelling 
  • Plumbing

    Standard Fitment

    • Hydraulically driven 7 bar centrifugal pump (650l/min free flow)
    • 35l capacity stainless steel venturi chemical hopper
    • Rotary suction and pressure control valves
    • Pressure filtration system with isolation valve
    • In field wash down kit with retractable hose reel
    • 5m suction hose

     Optional Extras

  • Direct clean water tank fill (no connection between pressure side of spray pump and clean water tank)
  • Larger pump and plumbing for high rate application
  • Fast fill port (2″ or 3″)
  • Fast fill pump (2″ of 3″)
  • Hydraulically driven pressure washer
  • 3″ Suction filter 

    Control System

    Standard Fitment

    • RDS Delta 34i rate controller – Pressure based
    • Boom, steering and pump command box

     Optional Extras

  • RDS Delta 34i rate controller – Flow based
  • TeeJet Matrix 570 & 840 GPS Guidance and Section Control
  • ISOBUS control


    Standard Fitment

    • Alliance 18.4 R34 (157A8) 

     Optional Extras

  • Michelin Argibib Rowcrop 320/90 R50 (150A8)
  • Michelin Argibib Rowcrop 340/85 R46 (150A8)
  • Michelin Spraybib 380/90 R46 (173D)
  • Michelin Argibib 420/80 R46 (151A8)
  • Michelin Argibib 480/80 R46 (158A8)
  • Michelin Xeobib 600/60 R38 (151D)
  • Michelin MegaXbib 750/65 R26 (166A8)
  • Michelin MegaXbib 800/65 R32 (172A8)

    Length – 7.65m

    Width – 2.57m

    Height – 3.80m

    Clearance under axle – 0.86m

    Unladen weight – 5.19t


    Based on 5000l, 36m Sentry with 18.4×34 tyres fitted

    Tractor Requirements
    • One single acting spool with free flow return (Constant pumping spool)
    • 60L/min at headland turning rpm

    Sentry Videos


    You may also be interested in

    Guardian Trailed Sprayer
    Smaller than the Sentry, the Guardian retains all the same features (view)
    Multidrive FC
    Thinking of going self propelled? Take a look at the new Multidrive FC (view) 
    Streambar MR
    Perfect application of liquid fertiliser, regardless of boom height (view)
    Used machines
    Can’t stretch to a new Chafer? Check out our current second hand stock

    User Profiles