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  1. m139h2otruck

    Oil Filters on Mack

    With all the posts on the Deuce Mod Board about the multi's oil filters, I thought it interesting that the Mack motor in the new tractor uses only one of the same elements for the primary full flow filter and the secondary bypass flow element is the same as the big gasser. Obviously the...
  2. m139h2otruck

    Transfer Case Jumping out of High

    Since getting the truck and trying the gears around the yard, the transfer still will not stay in Hi unless you hold it. Found a hole drilled through the handle and a rope with a hook in the cab, and guessed that the drivers were hooking the rope up and holding it in hi to drive! disconnected...
  3. m139h2otruck

    Mack / Cummins?

    I would be curious where the hp/torque #'s came from, as the manual I have shows lower numbers, sort of mid-way between the Cummins and the Multi (5 ton version).
  4. m139h2otruck

    5 Ton Mack Engine Filters

    I would wash out the existing element, but the unwanted visitors (see other post) already chewed on a number of the outer folds and wrecked the filter. I would very much like to change out to 1400x20 tires, as we have all kinds of extra old style NDCC tires from the bridge trucks, but the...
  5. m139h2otruck

    Running below op temp

    Somewhere in the dim recesses of my brain, I recall seeing a graph of engine wear vs operating temperature over time for car engines. The graph had a very steep curve from low temperature (75-100) up until about 160 or so and then the curve flattened out almost to a zero slope till about...
  6. m139h2otruck

    5 Ton Mack Engine Filters

    Thanks for all the help. Now have all WIX filters except for the air, which I will have to order from a military parts supplier. Any suggestions for best service/price on a 5 ton multi/Mack filter element?
  7. m139h2otruck

    Strong Suggestion for Idled Trucks

    I have what I think is a good suggestion for trucks that have been idle for an extended period (learned the hard way!). As we all know, insects and rodents seem to gravitate towards the green iron, and will take up residence within minutes (it appears) of shut down. The new tractor had...
  8. m139h2otruck

    5 Ton Mack Engine Filters

    The two fuel filters appear to be correct, but the oil filter (full flow) is not the 51233. The bypass oil filter is the same as a gasser, 51021 per the manual. Anyone else know the full flow oil filter # (WIX or NAPA)? The 51233 filter is a huge outside mounted unit like over the road...
  9. m139h2otruck

    New Mack Powered Tractor Pictures

    Mud flaps are standard commercial units installed into added on (welded) pockets right on the end of the frame. Will try to get additional picture. Undecided if we will cut them off or not.
  10. m139h2otruck

    New Mack Powered Tractor Pictures

    Didn't have a camera available when we moved it, but this is the first move with the new tractor, a 6' x21' trommel screen. Weighs about 60-70,000#, and had to pull it up a steep grade for the guys I rent my office space from. Truck worked great!!, but I wouldn't want to go too far down the...
  11. m139h2otruck

    New Mack Powered Tractor Pictures

    Data plates and cut seat (?). Not sure about seat, but may be because of transfer shifter. Transfer case will not stay in hi, but I am hopeful it is adjustment.
  12. m139h2otruck

    New Mack Powered Tractor Pictures

    New (to us) truck just delivered on Tuesday. Looks about how I expected. Data plates are not too good, and no maker listed or date. Any help on date and maker?
  13. m139h2otruck

    What is the correct gear lube for the M52

    I agree with jwaller, any good GL5 with the MT1 rating should work. Much better than the old GL1 and smells nicer!
  14. m139h2otruck

    813 transmission

    I would say you have a bad valve or very loose/broken hose. I would not drive the truck until it is fixed or you risk a transfer case problem.
  15. m139h2otruck

    813 transmission

    The valve manifold on the side of the 5 ton shifter actually has 4 connections, air from main system in, two air control lines to the transfer case out and a 4th that is the dump port (open) when the system shifts, the hisssss when you go from forward to reverse. On our two trucks this port is...
  16. m139h2otruck

    gasser question from a former deuce owner

    Early R6602's had a primer setup that injected (by hand pressure pump) raw gas directly into the intake. I assume this is what is on the 1953 truck in question. No multi fuels until mid 60's.
  17. m139h2otruck

    Gasser Years?

    Anyone, anyone; Bueller, anyone? Thanks
  18. m139h2otruck

    Titles for trucks older than 25 years (most of us)

    In NH, the form I used was called an "Affidavit of Ownership for Antique Vehicles" which you fill out with the vehicle's info, your name/address and the previous owner's name/address and date of purchase. Notarize and take to Town clerk's office for a title application. Not sure what other...
  19. m139h2otruck

    50 year old M52 getting it ready to drive home

    Last time I checked, the carbs were $125 @ Saturn. No, I don't think the 5 ton carb will fit on the M108. 5 ton carbs have 6 bolts/studs holding them to the manifold. Not sure what the M35/M108 has. Appox. cfm of the 5 ton is around 400 cfm, its big!
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