420AT rear diffs from 09-14 and 15-up - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
 
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post #1 of 1 (permalink) Old 07-05-2019, 01:44 PM Thread Starter
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420AT rear diffs from 09-14 and 15-up

Wife's Rancher AT has not turned into a 1 wheel drive in the rear. I'm guessing stripped splines in the ring gear.


First thing I checked was prices on whole diffs vs buying just the ring gear/seals. Looks like the 09-14 is $500ish, while the newer version is $300ish.


The schematics on the 15-up look like they might be swappable, but this pic of a later rear diff shows 4 mounting points where the earlier rear IRS diffs only had 2.


https://www.ebay.com/itm/New-15-16-1...AOSw4sxcc~9 l


That said, this ad also claims to be for a 2015 420FA and it looks like my 09. Guy said he bought it for his 2011 and it didn't fit.


https://www.ebay.com/itm/2015-honda-...AOSwMQ1b23F x

@toodeep, have you happened to compare the two styles to see what changes have happened?

2005 Foreman Rubicon Camo
Perfex, 27" Mudbugs
Heated grips and Thumb , HID's
5K Viper Max winch

2009 Foreman 500FM Green
Perfex with HL springs
27" Execs on Rubicon rims
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4K Viper Max winch

2006 Foreman 500FM Green
28" Mugbugs, stretched, Perfex, HLsprings
3K Superwinch winch

2009 475 Rancher AT Tan
26" Mudbugs on Rincon rims
Warn winch. Foreman pod light with HID, SRA gear reduction
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