450b

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Jtreece
40C crawler
40C crawler
Posts: 16
Joined: Thu Nov 17, 2022 8:50 am

450b

Post by Jtreece » Tue Nov 22, 2022 6:16 pm

Does a 450b have any in line fuel filters or strainers other than the 2 that are on the side of the motor. Mine is starving for fuel getting to the lift pump

Jim B
350 crawler
350 crawler
Posts: 1779
Joined: Sun Nov 05, 2017 11:36 am
Location: western Maine

Re: 450b

Post by Jim B » Tue Nov 22, 2022 8:46 pm

Depends on your serial number, some had a screen (item key #7, filter) inside the tank at the fitting the fuel is pulled from. Here is the online parts catalog page which also shows you the starting serial number for machines using the screen (not to say it is not possible for one before that SN to have the screen).

https://partscatalog.deere.com/jdrc/sid ... gId/149715

Another thing to check is to see if the fuel tank vent is plugged. Your tank vents through a tube inside the tank, not the cap. Here is a link to a post about that. The 350s and 450s tanks vent the same way, so it applies to your 450B.

viewtopic.php?f=2&t=13107

You can access/use the online JD parts catalogs at https://partscatalog.deere.com/jdrc/

Jtreece
40C crawler
40C crawler
Posts: 16
Joined: Thu Nov 17, 2022 8:50 am

Re: 450b

Post by Jtreece » Wed Nov 23, 2022 6:56 am

I’m way before that serial no. So doubt I have a in-line screen. How do I check the vent

Jim B
350 crawler
350 crawler
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Joined: Sun Nov 05, 2017 11:36 am
Location: western Maine

Re: 450b

Post by Jim B » Wed Nov 23, 2022 7:24 am

As noted under one of the pictures in Stan's post, run a cleaning wire through the vent tube, from the top down, so you see the wire come out the tube opening at the bottom of the tank. I have used a 3-foot length of 1/16" TIG filler wire to check/clear the tube in my crawler. (The TIG wire is stiffer than mechanic's wire.) Then, after being sure the wire went clear through and out the bottom, I blew down the tube with the shop air.

Something might be blocking the outlet of the tank, even if it doesn't have a screen. You can use compressed air to blow back through the line from the transfer pump to the tank to clear it. If that helps you may need to drain the tank to clean it out.

Jtreece
40C crawler
40C crawler
Posts: 16
Joined: Thu Nov 17, 2022 8:50 am

Re: 450b

Post by Jtreece » Wed Nov 23, 2022 7:47 am

Short of removing the tank what’s best way to clean it out ?

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Al Swearengen
440 crawler
440 crawler
Posts: 118
Joined: Sat Aug 28, 2010 8:01 am
Location: Sierra Nevadas...Gold Country!

Re: 450b

Post by Al Swearengen » Wed Nov 23, 2022 8:55 am

Jtreece wrote:
Wed Nov 23, 2022 7:47 am
Short of removing the tank what’s best way to clean it out ?
Had water in contaminated fuel once. Got dozer positioned where angle was correct for fuel to concentrate in the corner below fuel cap, siphoned out all I could. Then, a 12v fuel pump was fashioned with a flexible fuel line and about 2.5' of copper tubing at the suction end. Made for a pretty good fuel vacuum, got the last bits of contaminated fuel out pretty well.
'99 450G 6-Way

dtoots1
350 crawler
350 crawler
Posts: 1039
Joined: Fri Nov 30, 2012 8:54 am
Location: akron, ohio

Re: 450b

Post by dtoots1 » Wed Nov 23, 2022 5:47 pm

RE..draining...fuel..etc....I keep an old turkey baster...with a squeeze bulb...and long hose to get below whatever needs drained...into 5 gal bucket whatever...gravity works!

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