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post #1 of 277 Old 02-03-2017, 09:13 PM Thread Starter
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Refurb: JD-400 with backhoe/front loader

Starting this thread after buying a 1980 JD-400 with both backhoe and front loader. Near as I can tell, this is the Holy Grail of attachment combo for this tractor. My intent is refurbish the rig to solid operational and cosmetic condition. Not a restoration, but bring it back to a really nice tractor without spending a stupid amount of money.

I was originally looking for a front loader which might fit my JD-318, which has a blade, mow deck and rototiller. I needed a Garden Tractor which was more Tractor than Garden. I stumbled across the 400, which was perfect for my needs. I had no knowledge of the attachments or how rare they were until posting this forum and asking if the price was reasonable. The seller is second owner and had it for 25 years. The asking was $4,900 and I purchased it for $4,200. Everything is functional with no alarming repairs or modifications except for the the 54" front blade, which he also gave me. It had been sitting outside unused and the cylinders/hoses are toast. It came with a new in the box, larger capacity, hydraulic pump to replace the undersized original. Also new plug wires, a rebuild kit for the glitchy steering control valve and original, 1979, Repair/Service manual.

The tractor is in good/fair condition for a rig often sitting outside for years. It looks a bit rough, but found no rusted out areas or severe weather damage. All the components, connections, operating linkages and running gear is in repairable condition. I only replaced the ignition switch, which failed while buying it. The motor runs amazingly well, starts right up with no funny noises. The starter Bendix hangs up occasionally, but a nudge gets it engaged. Tires are shot, but hold air.

The most obvious starting place is the hydraulic hoses. Most are original and rotted with the wire shield exposed in abrasion areas. Fittings are corroded, but only two are weeping a bit. All but one of the hydraulic cylinders are tight, which is on one of the stabilizing arms. Much to my delight, the next door neighbor has a hose crimping machine, which he will teach me how to use. The last couple days was spent identifying the required hose spec and fittings.

Hoses are 1/4" SAE 100R2-04AT (two wire shields) with appropriate fittings. Rating is 5,800 operating psi with a 4" bend radius.

I measured the hoses and logged the type fitting on each end. Preliminary pricing estimates are around $350-$400 for materials to replace every hose on the tractor!!

The next step is to drain the system and remove all hoses for use as a template, marking each for the new installation. Then the Backhoe will be disassembled in place, starting with the bucket, so the pivots and joints can be refurbished. The last piece being the attachment and control assembly. Some Zerk fittings are missing and nails used as cotter pins. Then painted and reinstalled in pieces.
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post #2 of 277 Old 02-03-2017, 09:24 PM Thread Starter
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Re: Refurb: JD-400 with backhoe/front loader

A few other things I forgot. The missing engine side cover and grill also came with it. The only modification is the oversized front loader cylinders, which had to have extended brackets to mount them. You can see the upper ones in the photo showing red cylinders on the bucket arm. They are made well and appear professional. Below are photos of the new hydraulic pump, along with the hoses and controls.
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post #3 of 277 Old 02-03-2017, 09:38 PM
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Re: Refurb: JD-400 with backhoe/front loader

Other than the price that is awesome.

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post #4 of 277 Old 02-03-2017, 09:53 PM
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Re: Refurb: JD-400 with backhoe/front loader

Can't wait one of my favorite attachment combos!

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post #5 of 277 Old 02-03-2017, 10:06 PM
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Re: Refurb: JD-400 with backhoe/front loader

Nice machine!
Wish I had it sitting at my place. You a lucky man.

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post #6 of 277 Old 02-03-2017, 10:16 PM Thread Starter
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Re: Refurb: JD-400 with backhoe/front loader

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Originally Posted by N2 Tractors View Post
Other than the price that is awesome.
The ONLY 400 tractor I found nationwide with a backhoe just had a blade on the front. I looked at ads over a wide geographic area around me for a LOT of other brands and none had both attachments with a price anywhere near this. Figure I'll spend $1,000 - $1,500 to bring it to great condition. I have a good shop, airless spray rig, large media blast booth, MIG welder, tire changer, steel bender, tube bender and other tools for this.

Can you show me where another one is? What can you show me for comparative pricing of a 400 with backhoe, front loader and front blade? I've had 3 offers in the last two weeks of over $3,000 for the backhoe, as-is.

I need it to dig up a septic tank with possible repair to the drain field. Also going to make drainage channels for runoff to a small holding pond. Clearing about 1/4 acre, moving some dirt to fill low areas and create landscaping. Regrade and expand a driveway, including new crushed rock. A contractor wanted $2,500 to dig up the septic, not counting any repairs. Landscaper wanted between $8-10,000 for the other work. It's $1,200/week to rent the equipment. With both JD-318 and 400 I can do everything myself - at my own pace.

The math works great when you consider resale price and money saved. That's not even considering the fun factor! http://www.mytractorforum.com/images..._face_grin.png
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post #7 of 277 Old 02-03-2017, 10:22 PM
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Re: Refurb: JD-400 with backhoe/front loader

Quote:
Originally Posted by ToasterTan View Post
The ONLY 400 tractor I found nationwide with a backhoe just had a blade on the front. I looked at ads over a wide geographic area around me for a LOT of other brands and none had both attachments with a price anywhere near this. Figure I'll spend $1,000 - $1,500 to bring it to great condition. I have a good shop, airless spray rig, large media blast booth, MIG welder, tire changer, steel bender, tube bender and other tools for this.

Can you show me where another one is? What can you show me for comparative pricing of a 400 with backhoe, front loader and front blade? I've had 3 offers in the last two weeks of over $3,000 for the backhoe, as-is.

I need it to dig up a septic tank with possible repair to the drain field. Also going to make drainage channels for runoff to a small holding pond. Clearing about 1/4 acre, moving some dirt to fill low areas and create landscaping. Regrade and expand a driveway, including new crushed rock. A contractor wanted $2,500 to dig up the septic, not counting any repairs. Landscaper wanted between $8-10,000 for the other work. It's $1,200/week to rent the equipment. With both JD-318 and 400 I can do everything myself - at my own pace.

The math works great when you consider resale price and money saved. That's not even considering the fun factor! http://www.mytractorforum.com/images..._face_grin.png
You're tractor makes me even more pi$$ed at myself for not buying the 400 my friend that had the loader and backhoe like yours for $2,000 and the even funnier thing is he would be making a $1,000 that is my lowest low in my John Deere garden tractor collecting carrier the even worse thing is I knew he wanted to sell it I even knew the price for a whole 6 years and then one night I was thinking about buying it next morning I found out that he sold it the day I was thinking about it.

Current Collection

1987 John Deere 165 Hydro with snow plow, 38" mowing deck and AG tires Restored

1991 John Deere 332 Redland hill 3pt hitch, Carlisle Tru Power AG tires, and V61s, 30 Hydraulic Tiller, Restored


1975 John Deere 212 Electric Lift, Sleeve Hitch, 33 Tiller, Restored

1987 John Deere 160 38" Mowing Deck aka "The Bush Hog"

1988 John Deere 318 aka "Old Smokey"

1957 Farmall 130 Fast Hitch 2 Bottom Plow, 1 Gang Disc, 2 Gang Disc, Sprayer,
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post #8 of 277 Old 02-03-2017, 11:13 PM
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Re: Refurb: JD-400 with backhoe/front loader

TT don't get me wrong you got a good deal. I'm just a cheap skate LOL...

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post #9 of 277 Old 02-03-2017, 11:58 PM
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Re: Refurb: JD-400 with backhoe/front loader

I still want that....

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post #10 of 277 Old 02-03-2017, 11:59 PM
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Re: Refurb: JD-400 with backhoe/front loader

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Originally Posted by nick4030 View Post
I still want that....

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...........

You still can't have it Nick it's mine!

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1975 John Deere 212 Electric Lift, Sleeve Hitch, 33 Tiller, Restored

1987 John Deere 160 38" Mowing Deck aka "The Bush Hog"

1988 John Deere 318 aka "Old Smokey"

1957 Farmall 130 Fast Hitch 2 Bottom Plow, 1 Gang Disc, 2 Gang Disc, Sprayer,
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post #11 of 277 Old 02-04-2017, 07:08 AM
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Re: Refurb: JD-400 with backhoe/front loader

Quote:
Originally Posted by ToasterTan View Post
Hoses are 1/4" SAE 100R2-04AT (two wire shields) with appropriate fittings. Rating is 5,800 operating psi with a 4" bend radius.
The maximum pressure rating for anything that is likely to be installed for that hydraulic system will be 3500 psi. The system will not see pressures that high. At 2000 psi, the loader will lift about 1200 lb at the ends of the arms or about 900 lb of payload in the bucket. A 900 lb payload will load the front tires to about 2500 lb.

You don't need 5800 psi 2 wire hose. A set of 4100 psi single wire hoses, with terminations to match, will be more than adequate and a bit easier on the pocket book.

Bob

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post #12 of 277 Old 02-04-2017, 08:57 AM
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Re: Refurb: JD-400 with backhoe/front loader

Very cool setup. Looking forward to seeing the clean up.




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post #13 of 277 Old 02-04-2017, 09:36 AM
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Re: Refurb: JD-400 with backhoe/front loader

Love the 400. Looking forward to watching this "rehab". I've looked, they're never for sale with the goodies in any condition. Great find.

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post #14 of 277 Old 02-04-2017, 09:38 AM
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Re: Refurb: JD-400 with backhoe/front loader

Quote:
Originally Posted by Deere 332 View Post
You're tractor makes me even more pi$$ed at myself for not buying the 400 my friend that had the loader and backhoe like yours for $2,000 and the even funnier thing is he would be making a $1,000 that is my lowest low in my John Deere garden tractor collecting carrier the even worse thing is I knew he wanted to sell it I even knew the price for a whole 6 years and then one night I was thinking about buying it next morning I found out that he sold it the day I was thinking about it.
you passed on a 400 with loader and backhoe for $2K......I think you need to get your head checked Deere332 and don't give me any of this "I'm a teenager stuff"

Keepers
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post #15 of 277 Old 02-04-2017, 09:43 AM
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Re: Refurb: JD-400 with backhoe/front loader

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Originally Posted by ToasterTan View Post
Starting this thread after buying a 1980 JD-400 with both backhoe and front loader. Near as I can tell, this is the Holy Grail of attachment combo for this tractor. My intent is refurbish the rig to solid operational and cosmetic condition. Not a restoration, but bring it back to a really nice tractor without spending a stupid amount of money.

I was originally looking for a front loader which might fit my JD-318, which has a blade, mow deck and rototiller. I needed a Garden Tractor which was more Tractor than Garden. I stumbled across the 400, which was perfect for my needs. I had no knowledge of the attachments or how rare they were until posting this forum and asking if the price was reasonable. The seller is second owner and had it for 25 years. The asking was $4,900 and I purchased it for $4,200. Everything is functional with no alarming repairs or modifications except for the the 54" front blade, which he also gave me. It had been sitting outside unused and the cylinders/hoses are toast. It came with a new in the box, larger capacity, hydraulic pump to replace the undersized original. Also new plug wires, a rebuild kit for the glitchy steering control valve and original, 1979, Repair/Service manual.

The tractor is in good/fair condition for a rig often sitting outside for years. It looks a bit rough, but found no rusted out areas or severe weather damage. All the components, connections, operating linkages and running gear is in repairable condition. I only replaced the ignition switch, which failed while buying it. The motor runs amazingly well, starts right up with no funny noises. The starter Bendix hangs up occasionally, but a nudge gets it engaged. Tires are shot, but hold air.

The most obvious starting place is the hydraulic hoses. Most are original and rotted with the wire shield exposed in abrasion areas. Fittings are corroded, but only two are weeping a bit. All but one of the hydraulic cylinders are tight, which is on one of the stabilizing arms. Much to my delight, the next door neighbor has a hose crimping machine, which he will teach me how to use. The last couple days was spent identifying the required hose spec and fittings.

Hoses are 1/4" SAE 100R2-04AT (two wire shields) with appropriate fittings. Rating is 5,800 operating psi with a 4" bend radius.

I measured the hoses and logged the type fitting on each end. Preliminary pricing estimates are around $350-$400 for materials to replace every hose on the tractor!!

The next step is to drain the system and remove all hoses for use as a template, marking each for the new installation. Then the Backhoe will be disassembled in place, starting with the bucket, so the pivots and joints can be refurbished. The last piece being the attachment and control assembly. Some Zerk fittings are missing and nails used as cotter pins. Then painted and reinstalled in pieces.
yes $4200 is a lot of money, but separate, those items are way more than that and that's if, if you can even find them. I would have found the money too, some way some how for that combo. I'm always looking for backhoes and never finding any. Loaders are rare enough, but backhoes, they just didn't make that many I guess, or the owners are holding on. I'll be eagerly awaiting your posts on this threat with every ounce of jealousy I have

Keepers
2001 John Deere 445
Cat 0/1 3pt. hitch
60" Mower Deck
42" Hydraulic Tiller
48" NorTrac Box Scraper
40 Gallon 3pt. Sprayer

1987 John Deere 430
Cat 0/1 3pt. hitch
60" Mower Deck

1978 John Deere 316
Johnson 12 FEL
(ongoing project, http://www.mytractorforum.com/12-joh...ct-begins.html

1970 John Deere 140 H3
Cat 0 3pt. hitch
41" Mower Deck

Gone, but missed
2003 John Deere GT235

1983 John Deere 420
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