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Found 1 more 10 ton pic: this one shows the not often seen twin outboard stacks. When running the winch you had to be careful not to get burned by the one on the driver's side.

Found more 10 ton pics: rear view of M123A1C showing single exhaust arrangement and a pic of the dreaded "z" rig employed to unload tanks. It took 3 men to hang the blocks: 2 to hold it and a third man to put the pin in the shackle. Their instructions were if they thought it was going to fall...

Truck on right side of post 23 has one upright exhaust visible by spare tire. Truck left side with convoy lights has 2 upright exhausts just ahead of intermediate axle. You could also get the more common 2 pipes below the deck plate and another with 2 upright pipes side by side in behind the...

Loading tanks ? This was a character building exercise using a M123 and a M747 60 ton trailer. Most of the blocks and shackles required were part of the OVM for the trailer. Diagrams attached are extracted from TM 9-2320-=206-10, the operator's manual for the 10 ton. Also lists the variants...

The "Johnny brake" or hand applicator valve typically controls the brakes on the trailer independent of the tractor. They apparently can be plumbed on a straight truck to operate all the service brakes. I have seen tractors with 2 hand applicator valves which would suggest one for the tractor...

Pic shows rear winch of M 123A1C (single winch). When configured for the M870 40 ton trailer the forward cable guide was attached to the eye visible beneath the winch cable next to the trailer electrical connector.Also a pic of the shoe over the pintle that guided the cable and the front of...

I don't know what the stanchion illustrated in post 17 is but it not the guide described on post 14. That item was attached to an eye on the rear of the winch. I do not have a picture of this but it is not what is shown in post 17.

1983 M915 M1 (?) with 740 Allison. Last military user was Illinois National Guard.

The fixture that mounts above the pintle is a shoe to guide the winch cable when raising and lowering the goose neck on the M870 trailer. A roller does the same thing on a M916. There would also be a goal post looking fixture installed behind the winch to keep the cable off the 5th wheel. The...

Glad to be of help. Regardless of how much time you spend with these things there is always a new piece of magic comes along to expand your data base.

The picture of the dump truck in post 10 illustrates the size of the dump truck crossmember. Take a copy of that and my tractor pictures to show your parts clerk.

Print out the pictures and take them with you. The tractors have a narrower rear cross member so the king pin on the upper fifth wheel of the trailers will not get caught on the cross member. I have been around these trucks for 40 years and never noticed this until now. However the pintle that...

I don't have the trucks in the pics to measure any more but the tractor has a shallower rear cross member than the dump truck ad presumably the cargo trucks. Maybe they gave you ther mount for a tractor if they are different.

The picture in post 52 is the same one in the pics I have posted. If the bolts don't fit did they give you a pintle for a deuce ? M 915 has a different mount but hook is the same.

Additional 5t pics attached. M818, 817: they are all the same. a deuce has a mount directly to the rear framed which makes the hook higher to be compatible with the trailers typically coupled to a deuce. If there is a difference it could be in the length of the shank which passes through the...

Attached are pics of M809 series pintles. Is this what you have ?"

Reference post 48, I have had M816, 817, and 818 chassis here at different times and all the pintles were the same. And a M123 too.

What specifically doesn't fit ? 5 tons have different mounting brackets to attach the pintle to the frame because the pintle on a 5 ton is lower to accommodate artillery pieces. The only difference I can think of would be the shaft passing through the frame might be longer than a deuce because...