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How To Cold Start a John Deere 3039R Diesel Tractor

How To Cold Start a John Deere 3039R Diesel Tractor

Maintenance35–45 hpJohn Deere 3039R

Overview

This is a real-world extreme cold start, filmed at minus 34 Celsius on an owner's own 3039R, not a demo. It shows the actual struggle: cycling glow plugs multiple times, plugging in a block heater, hooking up a battery charger/booster, and using the hood-release key trick before finally getting it running. Useful for current or prospective 3039R owners in genuinely cold climates wondering how it handles winter starts.

Posted by an owner using his own John Deere 3039R on his property, sharing a practical fix rather than a professional or dealer perspective.

Spec overview

John Deere 3039R

PTO horsepower
31.1 hp
Loader lift capacity
2,855 lb at pivot; 2,032 lb @ 19.7 in
3-point lift capacity
2,530 lb at hitch ball
Hydraulic flow
4.6 gpm
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