Early model JD crawler technical support

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Messageboard upgrade

Last post by JD40c « Mon Feb 13, 2017 11:34 pm

by JD40c » Mon Feb 13, 2017 11:34 pm

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Location information

Last post by PBibens « Tue May 30, 2023 4:12 pm
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by JD40c » Wed Aug 22, 2012 8:04 pm
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Last post by PBibens
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Detroit Diesel two stroke oil

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by Lavoy » Thu Jun 23, 2016 8:32 pm

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Last post by Lavoy
Thu Jun 23, 2016 8:32 pm
Electronic ignition conversion on a mid 1960s crawler. 4 cylinder gasoline engine

Last post by Lavoy « Wed May 13, 2026 7:41 pm
Replies: 2
by Mknmecrazy » Wed May 13, 2026 12:44 pm

2 Replies

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Last post by Lavoy
Wed May 13, 2026 7:41 pm
56, 420, 5 roller 4 spd

Last post by dtoots1 « Wed May 13, 2026 3:31 pm
Replies: 18
by theshanmand1! » Thu May 22, 2025 7:39 am
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Last post by dtoots1
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Correct size rubber for 40c/420c/430c

Last post by tobaccofarmer « Mon May 11, 2026 5:43 pm

by tobaccofarmer » Mon May 11, 2026 5:43 pm

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Last post by tobaccofarmer
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Keeping upper idler rollers lubricated

Last post by towntw « Sun Apr 26, 2026 6:30 pm
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by towntw » Sat Apr 25, 2026 9:22 am

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Last post by towntw
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John Deere 100 Log Arch

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by JDCrawlerdog3 » Mon Jan 26, 2026 7:14 pm

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Last post by notmeu
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40c Roller interference

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by fundytides » Fri Sep 19, 2025 2:51 pm
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Last post by fundytides
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420C track carrier problems

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by OldYellow420 » Thu Apr 02, 2026 11:05 am

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Last post by Stan Disbrow
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440ic not coming up to speed after rebuild

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by mackmodelb » Sat Mar 07, 2026 7:29 am

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JD Loader Crawler 1010 Check list ?

Last post by reedgmi « Sat Feb 21, 2026 7:52 pm
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by JDLover » Thu Feb 05, 2026 2:23 pm

3 Replies

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Sizing battery

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by old dutchmen » Thu Dec 04, 2025 9:28 am
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1010c diesel engine in 2010 tractor?

Last post by Jim B « Sat Jan 24, 2026 1:04 pm
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by stretch44875 » Sat Jan 24, 2026 11:51 am

1 Replies

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Last post by Jim B
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420 sprockets

Last post by Paul Buhler « Tue Jan 20, 2026 2:39 pm
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by Eric.MacLeod » Mon Jan 12, 2026 5:38 pm

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Gearmatic 8A winch manuals

Last post by 82Maple « Wed Dec 24, 2025 12:24 pm
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by KCpatrol » Sat Apr 13, 2019 9:01 pm

11 Replies

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Last post by 82Maple
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40 series track and sprocket

Last post by lucaspalm « Sun Dec 21, 2025 8:13 pm

by lucaspalm » Sun Dec 21, 2025 8:13 pm

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Locknuts on connecting rod bearing cap bolts?

Last post by Welsh « Thu Dec 11, 2025 1:37 pm
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by Welsh » Thu Dec 11, 2025 8:16 am

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Last post by Welsh
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shift pattern for jd 440

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Replies: 8
by dondeere » Mon May 14, 2012 8:14 pm

8 Replies

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Last post by Lavoy
Sat Dec 06, 2025 10:09 am
JD 1010 1962 w/6 way blade

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Replies: 3
by lilrastor » Mon Nov 17, 2025 2:50 pm

3 Replies

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1959 440 dozer kicking out of 2nd gear

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by 82Maple » Thu Nov 13, 2025 12:45 am

8 Replies

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Last post by Lavoy
Sat Nov 15, 2025 9:28 pm
440icd N, S, pistons and injectors

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by pop pop » Thu Jul 03, 2025 12:19 pm

8 Replies

42098 Views

Last post by pop pop
Sun Nov 09, 2025 12:45 pm
440 crawler rock guards

Last post by pop pop « Sun Nov 09, 2025 12:33 pm
Replies: 4
by Hambrick28 » Thu Mar 23, 2023 7:37 am

4 Replies

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Last post by pop pop
Sun Nov 09, 2025 12:33 pm
hey everyone, looking for some guidance

Last post by KPaXz « Mon Nov 03, 2025 2:42 pm
Replies: 9
by KPaXz » Wed Oct 08, 2025 11:24 am

9 Replies

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Last post by KPaXz
Mon Nov 03, 2025 2:42 pm
1010c repair in central Wisconsin

Last post by Jim B « Thu Oct 30, 2025 6:28 am
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by newwood » Wed Oct 29, 2025 11:33 am

1 Replies

8246 Views

Last post by Jim B
Thu Oct 30, 2025 6:28 am
Waugh & Josephson

Last post by Lavoy « Sat Oct 25, 2025 8:07 pm
Replies: 1
by Canuck 420c » Sat Oct 25, 2025 3:12 pm

1 Replies

8777 Views

Last post by Lavoy
Sat Oct 25, 2025 8:07 pm
JD MC 40C 420C ?

Last post by Lavoy « Thu Oct 16, 2025 1:24 pm
Replies: 7
by JDLover » Wed Oct 15, 2025 8:05 pm

7 Replies

13450 Views

Last post by Lavoy
Thu Oct 16, 2025 1:24 pm
jd420 pics

Last post by dtoots1 « Sat Oct 11, 2025 6:17 pm
Replies: 182
by dtoots1 » Sun Dec 18, 2022 9:14 pm
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182 Replies

1086627 Views

Last post by dtoots1
Sat Oct 11, 2025 6:17 pm
440IC 831 Project

Last post by jimmydiesel « Tue Oct 07, 2025 8:09 pm
Replies: 18
by jimmydiesel » Wed Feb 12, 2025 12:24 pm
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18 Replies

34538 Views

Last post by jimmydiesel
Tue Oct 07, 2025 8:09 pm
1010c Rebuild thread

Last post by gus « Fri Oct 03, 2025 9:11 am
Replies: 9
by reedgmi » Mon Sep 08, 2025 7:14 pm

9 Replies

24154 Views

Last post by gus
Fri Oct 03, 2025 9:11 am
crawler wont turn

Last post by dtoots1 « Sat Sep 20, 2025 9:13 am
Replies: 4
by hank » Wed Sep 10, 2025 7:32 pm

4 Replies

15714 Views

Last post by dtoots1
Sat Sep 20, 2025 9:13 am
New to me 1010C dozer

Last post by quillc « Fri Sep 19, 2025 10:48 pm
Replies: 3
by quillc » Thu Sep 18, 2025 7:35 pm

3 Replies

12732 Views

Last post by quillc
Fri Sep 19, 2025 10:48 pm
1010c starter - battery cable run

Last post by reedgmi « Thu Sep 18, 2025 5:01 am

by reedgmi » Thu Sep 18, 2025 5:01 am

0 Replies

19370 Views

Last post by reedgmi
Thu Sep 18, 2025 5:01 am
440 IC gas generator part 2

Last post by Jake Collie « Mon Sep 08, 2025 7:06 pm
Replies: 4
by Jake Collie » Mon Sep 08, 2025 3:53 pm

4 Replies

14301 Views

Last post by Jake Collie
Mon Sep 08, 2025 7:06 pm
440 IC gas generator

Last post by Jake Collie « Mon Sep 08, 2025 11:31 am
Replies: 2
by Jake Collie » Mon Sep 08, 2025 10:58 am

2 Replies

12819 Views

Last post by Jake Collie
Mon Sep 08, 2025 11:31 am
Adjusting 40c Track

Last post by fundytides « Sat Sep 06, 2025 3:59 pm
Replies: 2
by fundytides » Fri Sep 05, 2025 8:31 am

2 Replies

12829 Views

Last post by fundytides
Sat Sep 06, 2025 3:59 pm
Looking for help verifying parts to buy

Last post by KPaXz « Wed Sep 03, 2025 9:05 am
Replies: 4
by KPaXz » Mon Sep 01, 2025 10:08 pm

4 Replies

14419 Views

Last post by KPaXz
Wed Sep 03, 2025 9:05 am
MC Crawler

Last post by Stan Disbrow « Fri Aug 29, 2025 7:21 am
Replies: 2
by Cornfed1253 » Wed Aug 27, 2025 9:52 am

2 Replies

15392 Views

Last post by Stan Disbrow
Fri Aug 29, 2025 7:21 am
John Deere 1010 crawler trying to figure out year

Last post by reedgmi « Wed Aug 27, 2025 7:09 pm
Replies: 3
by Higgy » Wed Aug 27, 2025 6:53 am

3 Replies

14102 Views

Last post by reedgmi
Wed Aug 27, 2025 7:09 pm
John deere crawler 2010 1970 won't move please help me !

Last post by jdseb « Thu Aug 21, 2025 7:24 pm
Replies: 6
by bernier18 » Tue Sep 15, 2015 5:17 am

6 Replies

42774 Views

Last post by jdseb
Thu Aug 21, 2025 7:24 pm
JD 420c Crawler Hydraulic System

Last post by gus « Tue Aug 19, 2025 9:35 am
Replies: 10
by Hank420 » Mon Sep 04, 2023 4:56 pm

10 Replies

53202 Views

Last post by gus
Tue Aug 19, 2025 9:35 am
440ICD jigsaw Project

Last post by jimmydiesel « Thu Aug 14, 2025 10:10 am
Replies: 41
by jimmydiesel » Wed Jan 01, 2025 10:20 pm
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41 Replies

123966 Views

Last post by jimmydiesel
Thu Aug 14, 2025 10:10 am
MC OEM Hydraulic Control Handle

Last post by JDMarty « Thu Aug 07, 2025 5:32 pm
Replies: 2
by JDMarty » Mon Aug 04, 2025 2:04 pm

2 Replies

15849 Views

Last post by JDMarty
Thu Aug 07, 2025 5:32 pm
440 gas reverser jinkage

Last post by Jake Collie « Thu Jul 24, 2025 10:28 am
Replies: 3
by Jake Collie » Wed Jul 23, 2025 11:02 am

3 Replies

53068 Views

Last post by Jake Collie
Thu Jul 24, 2025 10:28 am
JD 6V vs 12V Battery – Advice Needed

Last post by Stan Disbrow « Wed Jul 23, 2025 7:09 am
Replies: 6
by ShaneR » Sat Jul 19, 2025 5:25 pm

6 Replies

41777 Views

Last post by Stan Disbrow
Wed Jul 23, 2025 7:09 am
JD 430C - Spark Plug

Last post by ShaneR « Mon Jul 21, 2025 6:40 pm
Replies: 5
by ShaneR » Wed Jul 16, 2025 10:43 pm

5 Replies

42352 Views

Last post by ShaneR
Mon Jul 21, 2025 6:40 pm
Barn find 420C getting it going

Last post by Cubby267 « Wed Jul 16, 2025 5:49 am
Replies: 20
by Cubby267 » Mon Mar 10, 2025 7:08 pm
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20 Replies

41861 Views

Last post by Cubby267
Wed Jul 16, 2025 5:49 am
Van Sickle Paint match for 440ic

Last post by whiteclipse16 « Tue Jul 15, 2025 5:47 pm
Replies: 13
by Roger440IC » Sat Jan 25, 2025 3:04 pm

13 Replies

31885 Views

Last post by whiteclipse16
Tue Jul 15, 2025 5:47 pm
Hydraulic manifold T14730T

Last post by reedgmi « Tue Jul 15, 2025 3:57 pm
Replies: 2
by reedgmi » Tue Jul 15, 2025 9:12 am

2 Replies

15487 Views

Last post by reedgmi
Tue Jul 15, 2025 3:57 pm
Track chain specs?

Last post by Lavoy « Mon Jul 14, 2025 5:16 pm
Replies: 3
by Lowly » Sun Jul 13, 2025 7:06 am

3 Replies

25553 Views

Last post by Lavoy
Mon Jul 14, 2025 5:16 pm
JD 430C gear stick

Last post by Jim B « Thu Jul 10, 2025 5:12 am
Replies: 1
by ShaneR » Thu Jul 10, 2025 3:17 am

1 Replies

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Last post by Jim B
Thu Jul 10, 2025 5:12 am

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