steve s.

I have some old Brockway gas jobs with Fuller overdrive transmissions that use that same 5 speed pattern. It's a long way from 1st to 2nd. As for your other lever, I recall hearing old-timers refer to it as the "mud stick". It is a real lo hole that is really only meant for something like on/off road dump truck use. It was ok with a gas engine, and it might work well with your Cummins, but that transmission was never meant to be used with a Mack Thermodyne diesel. It just doesn't have the gear splits you'd need to stay in the narrow power band.

The short answer is no. But your 510 undoubtedly has a standard SAE flywheel housing. Do a google search for SAE sizes and measure yours. You probably won't have any trouble finding another transmission to bolt up, but the throw out bearing /collar might give you a bit of a challenge.

Since you had the air cleaner off with the truck out in the weather, you might have something other than a hydraulic lock. It is possible that some critter found your air intake to be a good place to stash seeds or nuts or something like that. As your truck sat idling it sucked them in and compressed them as much as it could until it killed the engine. I actually had a similar problem with a Thermodyne once. I would suggest that you pull the valve covers and check to see if your valves move freely (the ones that should be free). I found thin pancakes of cherry pits on top of the pistons in my engine, just enough to keep it from turning. Strange, but true. Good luck.

I just came across the receipt for the clutch I put in my B some years ago. The truck has a 673P and TRQ7220. The replacement part is identified as UQ M4106-15200VBS, reman clutch. It came from a Mack dealer, but I' not sure if it was a Mack part. I also looked up my Mack build sheet, and here are some numbers for the CL28 Clutch : assembly 101HBA 4116D, Clutch Disc Assy 101HBA 3144B-P9, clutch pressure plate 597HBA 416B Good luck!

According to my information your 128 is a 1960 and your 148 is a 1957. If you want to get the original build records, contact the Mack Trucks Historical Museum. Give them your serial numbers and a donation, and they will send you whatever they have on your trucks. It looks like you are pretty serious about the 148. Are you planning to keep the flathead 6 for power? My guess is that as an oil truck it was probably built with a straight 5 speed and a slow rear axle. I have an older 148 myself, and the 427 flathead is an excellent engine, but it doesn't like hills at all. It has an overdrive transmission and a 2 speed rear, which make it fun to drive, but it is still geared for about 52 mph.

It's always good the hear of another Brockway that has a chance at a new life. There is a very strong following for Brockways, and you will find a lot of helpful people once you get in touch with them. That FB place is where a lot of them hang out. You should plan right now to be in Homer NY the second Saturday in August for the 25th anniversary Brockway truck show. This event should be on every old truck fan's bucket list even if they don't own a Brockway. And if you do have a Brockway, there is no better place to be on that day. If you'd care to share your serial number, we can probably nail down the year of your truck. It looks like it has potential. There is a lot of interchangeability between the different models. many parts from an 88, 146, 147, and 148 among others will fit your truck. Even your fuel tanks are the same used on some larger models. Any more pictures?

There were two different ten speed transmissions available in the H63, the TR -67 series, and the TR-72 series. The 67 series would have two shift towers, the 72 series would have one shift tower, and a shaft that the other shifter pivots on.

What transmission do you have, or want? I have a triplex that would fit, but you have to have the right shift levers to make it work.

Sorry I can't give you the settings for your pump. Older Mack "Operation and Maintenance Manuals" have the governor and rack setting dimensions in them, but at some point Mack decided that they would stop giving that information out to just anyone who bought a truck. My literature shows a 313-GC-4132 and 4133, as used on a 673P engine. Your 711 is a little newer I suppose. That P8 at the end of your part number is the one to give you the rack extension spec that you want. If you don't have any luck here, I bet the Mack Museum folks could look up the numbers you need. Steve

If the Mack part number is not helping you, just look for a ratio adapter with the type of drives you need. I assume that you need a 1 to 1 which should be easy to find. Try ebay, there are always some there. The same part can also be found on many old transmissions as well for speedometer drives. If you find used ones the ratio is usually stamped on the adapter housing. You will need either a square or round drive, and you'll need to know the size of the drive as well.

The truck is a Grabowsky. Max Grabowsky was one of the pioneers of truck building. His truck was later called the Rapid, a very good truck that sold well. Eventually his company was absorbed by William Durant and operations were consolidated with the Reliance truck company, with the new product named the General Motors Truck, or GMC.

Welcome! You have come to the right place for help. The first part in question is obviously a Pierce Governor, its purpose is to limit the maximum speed of the engine. The second part is a hydraulic brake booster, essentially a power assist. A was mentioned, the Mack Trucks Historical Museum can provide you with all types of information pertaining to your truck, by all means contact them. Do I guess right that you are in Poland? Can you tell us how this old Mack found its way to you? What part of the country are you in?

There were 365 model FP Macks built between 1940 and 1942. The Buda 6DT diesel was an option. You are correct on the cab being the same as an E model. I would say that is a pretty rare truck. It was definitely a factory model, but the third axle may have been added afterwards. It wouldn't me surprise me if someone wanted to give it a new home. More pictures would be great if you can get them.

Latona brought the green DM to our antique truck show in Harford PA maybe 15-20 years ago. Great truck. I think it won the slow race. Several years later I saw it with an I beam trailer parked in the Back Mountain or maybe Pittston PA area. At that time it looked like it had not moved in a while.

Brandon , who owns the truck, is no stranger to Brockways. I checked out the truck at the Brockway show this year and I was impressed with it. It is a nice survivor. Like he said, you could just drive it the way it is, or it would make a great project if you wanted to get more involved.