David Brown Tractor Forum

DB 885 with Dunham-Lehr 22 loader and what I was told was a going away valve (GAV). The GAV, I am told, allows operation of both the 3-point and the loader simultaneously. Since that operation is possible I guess it is working as intended. Trouble is that when the tractor is pointed downhill the loa...

Gauge and sender were purchased as a matched pair from Stewart-Warner. I have a handheld temperature gauge that is guaranteed within 2% that can be used to quantify the gauge reading at a couple points. Thank you for the gradient numbers for the factory gauge. I suspect your comments to the radiator...

The original gauge set was junk so when rewiring the tractor I used Stewart-Warner gauges. Does anyone know what the actual temperature numbers are at each color change on the factory engine temp gauge? Most importantly, what the temperature is when the needle hits the HOT range on the gauge. While ...

The transmission can be left attached to the back end as it is rolled away from the transmission housing/gearbox casing? Am I understanding you correctly? The threaded hole, is it a dedicated hole for this purpose or one of the trans cover bolt holes? I'll look for it next time the tractor is used. ...

1976 DB885 leaking oil between the trans and diff. Ample silicone suggests someone has been in there before. This repair will be undertaken this fall unless the leak get too much worse. Along with the leak repair is a worn shift rail socket for 1st/rev that needs to be replaced. Read through the fac...

I call them Final Drives but think they may be referred to as Drop Boxes, Reducing or Reduction Units. A quick search didn't help and my lunch hour is about up so… It's Final Drive for now. When cleaning both final drives while replacing the tractors brakes, one unit was accidently left resting upsi...

Gard, Piedmont Fastener in Mooresville, NC. Be advised, they hit me for $8 for two 1/4"-26 X 1" bolts. I had plenty to say about it but they never offered why so expensive. Look for British bike or car restorers. Found one in Florida with a stock of Brit fasteners last spring after I dropped a BSF n...

Diff lock is engaged and locked. A 6m X 1 bolt seemed close, local fastener supply house has BSF so will grab a couple of 1/4- BSF of a suitable length and make a "puller". I must say, the brake shoes DB supplied on these tractors were intended for the long haul... cast iron instead of a steel stamp...

Reduction units are off. The brake shoes on one side are thoroughly soaked with what appears to be rear axle oil, no doubt the oil is the reason the brakes don't work on that side. There are two seals per side visible in the axle housings ends, how are they accessed? There are two small holes in wha...

Thanks! I'll contact to manufacturer of the valve.

Certainly this isn't that challenging a problem for you long term David Brown owners to offer a suggestion? Just kidding, I've not come up with a thing... it won't stay not working long enough to attempt to identify the problem. Reviewing flow schematics of the hydraulic system hasn't led to any con...

I understand what everyone is saying about bad connections, bad wiring, worn brushes and so forth, but, if any of this was the cause, wouldn't it still occur even if the battery charger is hooked up? The tractor hasn't missed a lick while starting since I've been keeping it on the charger. It's 18 ...

I'll admit to not having read all the posts to this topic so disregard if it makes no sense. Given your tractor is what, 40 years old? There is every possibility some dim bulb has been playing mechanic on it. Have you looked behind the dash? My heart stopped when I pulled my 885's tank and dash... T...

Dunham-Lehr 22 loader on an 885. Loader has what I believe is called an "open center spool valve" for the loader control. The camel hump has been replaced with a steel plate with two ports (hoses). If the loader is removed from the tractor the hoses must be connected at the tractor to keep from dead...

Poppy, with the loader I have the power steering parts go right back where they were, only on the outside of the loader frame. Longer bolts are required, or they should be used. The dink who put mine on (a long time ago) used the originals but a tap and correct length bolts set things right. This go...