More power more fun

How to Purchase

  • Please select your vehicle from the list below, or other vehicles.
  • Proceed to checkout and give your delivery details.
  • You may also call in at one of our regional service centres.
  • Your DTE Tuning system will be with you the very next day, and should take about 10 minutes to fit!
  • If you experience any problems at all please just give us a call on 01207 299 538, or use our Plug N Drive ® Nationwide free fitting service.
  • Can't find your car? Use the search function, just enter the model number i.e. '320d' then click 'Search'.
Tractors arrow John Deere arrow John Deere 6420 4.5 SE 4V R4

John Deere 6420 4.5 SE 4V R4

Price including VAT: £958.80
Minimum Expected Performance improvements with DTE Tuning System are indicated in the table below.

Standard chipDTE Tuning System
Power120 PS150 PS
Torque(n/a) Nm(n/a) Nm


John Deere 6420 4.5 R4John Deere 6520 6.8 CR R6

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