40C Project

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Derek
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40C Project

Post by Derek » Mon Oct 02, 2023 7:42 pm

Hello all,

I finally hauled home a crawler after looking around for some time. A 40C with an Adkin blade. It runs decent but has final drive problems on the right and 2nd gear sounds terrible but worked well enough to get it on the trailer and did push dirt. The plan so far is to rebuild and paint it. The peeling off brushed and rolled on yellow over the green is driving me nuts.

Derek

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Last edited by Derek on Mon Dec 04, 2023 11:01 am, edited 1 time in total.

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Lavoy
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Re: 40C Project

Post by Lavoy » Thu Oct 05, 2023 8:23 am

Congrats, enjoy it.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com

Derek
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Re: 40C Project

Post by Derek » Fri Oct 06, 2023 7:33 am

I've opened up the finals and the right side is write off. Casing cracked, teeth have been welded up and ground on the bull gear and the pinion is no better. Even the right side steering clutch housing has cracks and the ear to the side frame was pulled off. Something went really wrong on the right side at some point in the life of the tractor. Time to start tracking down parts.

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Last edited by Derek on Mon Dec 04, 2023 11:01 am, edited 1 time in total.

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Lavoy
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Re: 40C Project

Post by Lavoy » Fri Oct 06, 2023 3:53 pm

You may not know it, I am the owner of this site, and I sell parts for these crawlers. You can call 701-361-1006 and I can get you squared away.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com

Derek
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Re: 40C Project

Post by Derek » Fri Oct 06, 2023 4:18 pm

Lavoy wrote:
Fri Oct 06, 2023 3:53 pm
You may not know it, I am the owner of this site, and I sell parts for these crawlers. You can call 701-361-1006 and I can get you squared away.
Lavoy
That would be great. What's a good time to call?

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Lavoy
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Re: 40C Project

Post by Lavoy » Sun Oct 08, 2023 5:04 pm

I've been out of the office a lot due to a death in the family, but have 14 hours of road time every week, so just leave a message, and I will call on the way back home.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com

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Canuck 420c
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Re: 40C Project

Post by Canuck 420c » Fri Oct 13, 2023 7:52 pm

Nice late 40 crawler looks like it should be a good project.Those gear teeth look rough that crawler must have seen some hard work over its life.Keep us posted on the progress
Nothing Crawls Like a Deere

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Canuck 420c
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Re: 40C Project

Post by Canuck 420c » Fri Oct 13, 2023 8:28 pm

Nothing Crawls Like a Deere

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Canuck 420c
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Re: 40C Project

Post by Canuck 420c » Tue Oct 17, 2023 6:57 pm

What kind of shape is the undercarriage in ?
Nothing Crawls Like a Deere

Derek
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Re: 40C Project

Post by Derek » Tue Oct 17, 2023 7:27 pm

Canuck 420c wrote:
Tue Oct 17, 2023 6:57 pm
What kind of shape is the undercarriage in ?
The undercarriage is ok. The idlers have been welded up and machined but could use bushings. Bottom rollers are decent, tops are missing. Track chain needs to be replaced but pads are good.

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Canuck 420c
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Re: 40C Project

Post by Canuck 420c » Fri Nov 24, 2023 7:56 pm

Any update?
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Derek
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Re: 40C Project

Post by Derek » Sat Nov 25, 2023 1:25 pm

Over the last few weeks I've been able to take it down to the track frames. Slowly tracking down and acquiring the parts needed to put it back together. The track frames have some cracks that need welding and I'm going to build up the area where the front idler was wearing in, and they also need a good sandblasting and wire wheeling. I'll also manufacture new upper idler shafts in the coming weeks.

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Last edited by Derek on Mon Dec 04, 2023 10:59 am, edited 1 time in total.

Derek
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Re: 40C Project

Post by Derek » Mon Dec 04, 2023 10:50 am

I got some shop time this weekend. Started repairing all the shafts for the final drives. Almost every seal surface and bearing fit has to be spray welded and re machined.

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