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John Deere Tractors Discussion Forum

420T John Deere Fluids

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Theresa Charvat

09-28-2013 09:08:59

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What type/capacity of fluids OIL, HYD, TRANS, for a JD 420T.

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09-30-2013 08:11:43

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 Re: 420T John Deere Fluids in reply to Theresa Charvat, 09-28-2013 09:08:59  
Looks like everything is covered except the distributer. 2 or 3 drops of engine oil on the felt plug at tune up.

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James Howell

09-29-2013 17:45:07

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 Re: 420T John Deere Fluids in reply to Theresa Charvat, 09-28-2013 09:08:59  
Here is the lubrication checklist for "BW" our 54 Model 40T.

This information on oil weight and capacity was taken from the Operator's Manual OMT61053.

Lubrication – 54 40T

Oil Filter TSC C138PL JD AH 1082 R

Oil filter Stud Nut 1” Box
Crankcase drain plug 5/8” Open
Crankcase Flushing (diesel) 1 Gallon
Crankcase oil SAE 30 - Summer 5 Quarts
SAE 10 - Winter

Air cleaner oil SAE 30 Top Mark

Fan lubrication ½ Full

Generator SAE 10 3~4 Drops
Starter SAE 10 3~4 Drops

Transmission filler plug 5/8” Open
Transmission drain plug 5/8” Open
Transmission Flushing (diesel) 7 ½ Quarts
Transmission oil SAE 90 7 ½ Quarts

Final Drives filler plug 5/8”
Final Drives drain plug
Final Drives Flushing (diesel) 3 ½ Quarts
Final Drives oil SAE 90 3 ½ Quarts

Touch-O-Matic filler plug 9/16” Open
Touch-O-Matic oil drain plug 3/8”
Oil level test cock
Touch-O-Matic Flushing (diesel) 2 Quarts
Touch-O-Matic oil SAE 10 5 Quarts

Steering Housing SAE 90 5/8” Open 1/2 Pint
Level Filler Hole
Lower Steering Housing SAE 90 7/16” Open 1/2 Pint
Level Filler Hole

Radiator 3 ½ Gallons

The wrench sizes to remove plugs may vary for your tractor.

Hope this helps.

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Dave H

09-29-2013 14:25:38

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 Re: 420T John Deere Fluids in reply to Theresa Charvat, 09-28-2013 09:08:59  
Well Theresa, my ops manual is in MO with the 420 now.

So here are some foggy recollections from owning the 420 W for 14 years.

keep in mind that times have changed in the oil stuff since the book was printed.

Here are my ancient thoughts:

Book says 10W non detergent in the tom. since i rebuilt mine i used 10W30 detergent and it worked fine.

Manual maybe said 90 wt GL1. i always ran 80-140 GL 5 or stright 140 in my trans.

Motor as stated, I used multigrade that happened to be on the shelf or on sale.

Happy piopping.fine

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09-28-2013 21:54:34

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 Re: 420T John Deere Fluids in reply to Theresa Charvat, 09-28-2013 09:08:59  
Theresa, not to be rude but it sounds like you need a operators manual. As for the oils I can help a little. Engine oil I would use what ever you like !!! 30wt, 10-40,10-30, or 15-40. It's YOUR TRACTOR. Hydraulic probably calls for 30wt engine oil BUT ITS YOUR TRACTOR. Not going to hurt anything at all. You can use JD by-gaurd OR run of the mill hydraulic oil. Napa, bamgaars hydraulic oil. What ever YOU use in your other tractor WILL work just fine . Transmission oil. I don't know what it calls for. Spend $25 and buy a book on EBay !!! Good luck l. I've always liked the 420 Jd's .

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