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M60 Guides
The AFV ASSOCIATION was formed in 1964 to support the thoughts and research of all those interested in Armored Fighting Vehicles and related topics, such as AFV drawings. The emphasis has always been on sharing information and communicating with other members of similar interests; e.g. German armor, Japanese AFVs, or whatever.
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Joe_D
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PostPosted: Sun May 06, 2007 5:26 am
Post subject: M60 Guides

Hi everyone,
I made these in response to Kurt's question in the "Serials and stuff from this weekend" thread. Bob was kind enough to link my previous hull and turret pictures there too.

First is of the Air cleaner housings. There were four types. with the exception of the M60A3 you could find any of these on the other models. Side loader's being found mostly on M60A0's, M60A2's and pre RISE M60A1, AVLB and M728's (CEV). If a tank does not have armored top loaders it is a safe bet it did not get upgraded to RISE standards, but having them does not indicate it has.

%20%20%20 %20%20%20%20%20Here%20are%20the%20driver's%20hatches.%20The%20M24%20IR%20Hatch%20can%20be%20found%20on%20all%20versions%20of%20the%20M60%20series%20with%20the%20exception%20of%20the%20A3.%20When%20a%20tank%20was%20upgraded%20to%20RISE/Passive%20standards%20a%20VVS-2%20passive%20viewer%20would%20replace%20the%20M24%20and%20the%20hatch%20either%20converted%20or%20on%20rare%20occasion%20replaced%20with%20the%20newer%20style%20hatch.%20A%20good%20indicator%20that%20a%20tank%20was%20originally%20made%20as%20an%20A1/Passive%20or%20A3%20is%20it%20being%20equipped%20with%20the%20new%20style%20hatch,%20though%20some%20Anniston%20A3%20rebuilds%20and%20A1%20Passive%20conversions%20did%20get%20a%20new%20hatch%20installed%20instead%20of%20conversion.%20 %20%20%20%20 %20%20%20%20%20Below%20are%20the%20differences%20between%20bustle%20racks%20on%20A1/A3's.%20If%20a%20tank%20has%20a%20one%20piece%20model%20it%20is%20either%20a%20very%20late%20production%20A1%20RISE/Passive%20or%20a%20New%20Detroit%20produced%20A3.%20Anniston%20and%20Mainz%20rebuilds%20utilized%20older%20M60A1's%20to%20make%20A3's%20which%20would%20have%20the%20two%20piece%20bustle%20rack. %20%20%20%20M60A3%20features%20are%20the%20small%20door%20on%20the%20Laser%20Range%20Finder%20(LRF)%20armored%20cover%20below%20the%20TC's%20cupola.%20TTS%20models%20have%20a%20rounded%20top%20of%20the%20Gunner's%20Sight%20Housing%20whereas%20Passive%20models%20would%20be%20shorter%20and%20flat%20on%20top.%20Also%20a%20TTS%20model%20would%20have%20a%20mirrored%20and%20clear%20glass%20while%20a%20passive%20would%20only%20have%20a%20single%20clear%20piece.%20All%20M60A3%20Passives%20where%20supposed%20to%20have%20been%20converted%20to%20TTS%20standards.%20(I%20am%20tracking%20a%20possible%20exception%20though%20and%20waiting%20verification). Edit Edit Another%20trait%20of%20M60A3's%20is%20the%20welded%20over%20searchlight%20cable%20receptacle,%20if%20it's%20capped%20it's%20an%20A3%20TTS,%20but%20not%20being%20capped%20is%20not%20a%20definitave%20sign%20the%20tank%20is%20not%20a%20TTS%20model.%20SN%20229%20at%20Aberdeen%20is%20one%20of%20those%20exceptions. %20%20%20%20%20Wind%20sensor%20mast%20and%20hardware.%20Early%20new%20Detroit%20A3's%20along%20with%20very%20early%20Anniston%20rebuilds%20had%20a%20stowage%20bracket%20\"J%20Hook\"%20welded%20on%20top%20of%20the%20turret%20along%20with%20an%20interupter%20to%20prevent%20the%20TC%20from%20shooting%20it.%20Later%20models%20dropped%20the%20\"J%20Hook\"%20and%20then%20eventually%20the%20interupter.%20M60A1%20turrets%20initially%20did%20not%20have%20an%20opening%20where%20the%20wind%20sensor%20mast%20is%20mounted%20but%20A1%20RISE/Passives%20did.%20A%20wind%20sensor%20base%20would%20have%20three%20bolt%20holes%20tapped%20where%20as%20an%20A1%20RISE/Passive%20Antenna%20would%20have%20four. Edit Edit This%20picture%20shows%20two%20cupolas%20of%20M60A3%20rebuilds,%20the%20bottom%20cupola%20came%20from%20an%20old%20M60A0.%20Inside%20both%20were%20identicle%20having%20being%20upgraded%20with%20Passive%20sights%20and%20the%20\"Last%20Round%20Overide\"%20system. Edit Here%20are%20the%20two%20types%20of%20escape%20hatches,%20the%20smaller%20is%20found%20on%20M60A0's%20and%20early%20GEN%20Two%20A1%20hulls.
Hope these pictures help clear up some questions.

Joe D


Last edited by Joe_D on Wed May 09, 2007 10:30 am; edited 1 time in total
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MarkHolloway
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PostPosted: Sun May 06, 2007 5:54 am
Post subject: Re: M60 Guides

Thanks, Joe! Great post. I'd like to add something to the part on the air filter housings. The armored air filter boxes were modified in the mid 80's. There was a modification called "VEDES" or 'Vehicle Exhaust Dust Ejector System'. The blower motors were removed from the air filter housings and replaced by a tube (on both sides) connected to the exhaust pipe. The exhaust created a vacuum and sucked dust out and ejected it. The 'captive bolts' that kept the air filter doors closed was replaced by a standard type bolt. The air restriction indicators were also replaced. The old indicators were either 'good' or 'bad'. No in between. The new indicators were graduated in steps so you could see the condition of the filter. Although you couldn't see it they also put extra bolts inside the housing in case you lost one. (Great Idea!) Another part of this modification, although not on the air filter housing, was the 'dust detector' warning light in the driver's compartment. This light worked off of switches mounted in the turbochargers. The point is (is there one?) that there is two types of armored top loaders.

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Doug_Kibbey
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PostPosted: Sun May 06, 2007 6:47 am
Post subject: Re: M60 Guides

..and just because:

Here's a two piece bustle rack application on an A1 with only one piece installed and the reason why...the searchlight stowage mount over/aft of the turret ventilator fan (since white or pink light illumination may be unfamiliar to those not of "a certain age" Wink ). Turret ventilator relocated from the "A0" views in Joe's air cleaner shots above.

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Joe_D
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PostPosted: Sun May 06, 2007 8:13 am
Post subject: Re: M60 Guides

'Weed,
Yep, We got a rebuilt A1 RISE/Passive in for a tank that burnt up when I was in Riley that had that system. No one at the time had a clue how to use it let alone service/ pull pack. All our other A1's were IR AOS or old Passives without many upgrades. This was in '86 when the Army was starting to replace M1's with M1A1's. I later got the full education on the system at Irwin with the 5 M60A3's we had. They also had a little paper strip on the turbo housing you would pull to check for dirt when the clogged filter light came on. externally other than the filter gauge and the cover bolts the housings are the same. A lot of display tanks have the gauges removed and plugged or just broke off. That's why I just list them both as armored air filter boxes.

(since white or pink light illumination may be unfamiliar to those not of "a certain age" )


I probably was one of the last Active duty tankers to experience that, mostly because of Riley and also because of Irwin and the T-72/M551 VISMOD's we had used the searchlight. Some TC's would forget to move the toggle all the way to off after using the white light, leaving the pink dot displayed for everyone to see Shocked .

Joe D
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MarkHolloway
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PostPosted: Sun May 06, 2007 8:51 am
Post subject: Re: M60 Guides

Joe,

When I was a tank mech (civilian) at Fort Irwin General Dynamics came out to modify our fleet of M60s. I attended a one week class on the upgrade so I got into it pretty deep. The little roll of tape in the turbos was pretty clever. The best part is I never had to replace a precleaner motor again. Smile

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Joe_D
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PostPosted: Sun May 06, 2007 9:31 am
Post subject: Re: M60 Guides

That or pull one from one side to put on the other so you would at least have one per side and not be deadlined Smile . Did you ever get desperate enough to bust open a BA-30 and use the carbon rod inside for a motor brush??? Had a TC in Germany do that once. BDAR at it's best Smile .
That whole VDES system was a very smart system.

Joe D
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Kurt_Laughlin
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PostPosted: Sun May 06, 2007 6:48 pm
Post subject: Re: M60 Guides

Thanks for the breakdown Joe, very good presentation.

So, would you consider these as a "standard" set of M60 photos sufficient to ID the vehicle?

4x overall views (0-90-180-270).
1x Suspension Close up (C/U) showing shock and side lug arrangement
1x Tow lug S/N C/U
1x Engine deck S/Ns C/U
1x Glacis R/N C/U
1x Driver's hatch C/U
1x Turret C/U, showing T/C rangefinder head and gunner's sight
1x Air cleaner C/U, slightly high and looking rearward
1x Turret top view, looking forward from rear deck to show wind sensor
1x Bustle rack C/U from right side

Will that show everything of interest?

KL
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MarkHolloway
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PostPosted: Mon May 07, 2007 7:34 am
Post subject: Re: M60 Guides

Maybe get the gun's thermal shroud in the picture on the A3's. That's a good ID point. If the wind sensor is not mounted that's how I ID them.

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Joe_D
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PostPosted: Mon May 07, 2007 10:16 am
Post subject: Re: M60 Guides

'Weed,
Yes, thermal shroud will be nice too.

Kurt,
Other areas I like to get a shot of are the left side of the cupola and the escape hatch. Cupola because you will find one from an old M60A0 upgraded and mounted on an A3. The mounting plinth for the M2 is a dead give away. Escape hatch because there are two types, small round and large oval. The latter being newer. Still looking for a GEN 2 hull tank with a large hatch. Found an original (Non-conversion) AVLB but no tanks. Many ID features between A1's and A3's are not fixed, in other words, easily removed. I have seen old A3's and A1's with no wind sensor, Range finder cover, Gunners sight housing, thermal shroud etc. There are actually very few things that aren't removable that help ID an A3 from an A1. Then there are some items that some well intentioned but uninformed person adds to a tank. The M60A0 with a thermal shroud in Lawrenceburg NJ is one example. Another problem is even after an A3 was made it most likely in it's life would have been rebuilt at least one time by Anniston, local GS or MATES/CSMS facility. Near the end of the M60's life in the Army many parts were cannibalized. That's why you can find many with the old style shocks from M60's (Friction Snubbers) and M1 thermal shrouds and gun tubes. Some one once on this thread mentioned the M60 was the Army's modern day Sherman with all the upgrades and variations that were made. Considering it was in service over 35 years in the US alone makes everyone to me interesting and a challenge to discover what mods and components it has. Give me a few days I can post more guides and variations to look for if you like. Right now I can't even view the new M60 posts Bob put up. Who knows, maybe I can start getting a little more respect for the old girl. One good thing is there are many out there to compare notes with.

Joe D
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Sabot
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PostPosted: Mon May 07, 2007 1:42 pm
Post subject: Re: M60 Guides

Recently, someone on Armorama posted photos of Austrian M60A3 tanks. These had been upgraded locally and did not have the rounded uparmored sight housing. The poster of the photo did not know if Austrian A3s had TTS though. From the look of the photos, I would assume not.

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Joe_D
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PostPosted: Tue May 08, 2007 10:21 am
Post subject: Re: M60 Guides

Rob,
You are correct, The Austrians puchased new M60A3 Passives and then upgraded their M60A1's to A3 standards. They never went to thermals with their fleet. They are known as M60A3 O's , the "O" having an umlaut over it and meaning Osteriech. They were one of the first purchasers of the M60 outside of the US. Buying their A1's in the '60's. Last I heard other than a few static displays and a "Runner" they maintain they were trying to sell them to the Morroccans or some other North African country. I also heard Egypt or Jordan was interested, but this was years ago when they switched to LEO II's.

Joe D
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bsmart
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PostPosted: Wed May 09, 2007 3:56 am
Post subject: Re: M60 Guides

I seem to remember differences in the cooling grill at the rear of the tank. The second picture in this posting shows one variation. The difference is in the grill on the right side. some seem to have an access panel and others dont. Even with the access panel there seems to be at least two versions. One has a rectangular opening with fixed grills all around and others have a 5 sided (If I remember correctly) panel that extends the rectangular opening to the upper left corner. Do these differences have any significance?

www.com-central.net/in...hlight=M60

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Doug_Kibbey
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PostPosted: Wed May 09, 2007 4:12 am
Post subject: Re: M60 Guides

- bsmart
I seem to remember differences in the cooling grill at the rear of the tank. The second picture in this posting shows one variation. The difference is in the grill on the right side. some seem to have an access panel and others dont. Even with the access panel there seems to be at least two versions. One has a rectangular opening with fixed grills all around and others have a 5 sided (If I remember correctly) panel that extends the rectangular opening to the upper left corner. Do these differences have any significance?

www.com-central.net/in...hlight=M60


Bob,
I think that's a deep water fording kit attachment point , IIRC.
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Roy_A_Lingle
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PostPosted: Wed May 09, 2007 4:17 am
Post subject: Re: M60 Guides

Hi Bob! Hi Folks!

This photo, right?


That thing in the right grill door is a panel that can be removed so the two exhaust piples (which are under the armor) can be vented out through a single stack for deep water fording.

As for different types of removable panels, that question I leave to Mr. M60, Joe D.
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JimWeb
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PostPosted: Wed May 09, 2007 4:26 am
Post subject: Re: M60 Guides

- Roy_A_Lingle

As for different types of removable panels, that question I leave to Mr. M60, Joe D.


I think Joe needs a new nickname... I propose 'Doc 60'

Cool

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