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TGP 4T60HD trans ID help.


DefEddie
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Curious if someone could help positively identify the trans I have as a 4T60HD.

It was pulled from a 90 tgp,but i'm selling it and wanted to find some way to make myself feel better that it wasn't just a regular 4t60.

Haven't been able to find any info for identification,the tag is unreadable except the stamping.

Thanks for any help.

 

IMG_20140212_122207_zpseutstsas.jpg

IMG_20140212_122231_zps7c74lqts.jpg

IMG_20140212_122329_zpsyovnmpmd.jpg

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Forgot a pic of a stamp,I wonder if that is common the way it is written on there from mclaren?

Considering age,I'm assuming it's been rebuilt. If that is true then at least they knew what they were dealing with?

IMG_20140212_160241_zps7vfbpgjn.jpg

IMG_20140212_160308_zpslgpg1cxv.jpg

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I have been shopping for torque converters. look at rock auto. they have options for stall rpm

 

 

 

 

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[TD=class: partlayout]DACCO Part # B21FG9

Hydra-Matic trans.; Trans. code THM125C; 1600 Stall Paper Clutch; 1630 Stall, Paper Clutch[/TD]

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[TD=class: center leftrightborder pricebreakdown alternate0, align: center]$65.79[/TD]

[TD=class: center leftrightborder middleborder pricebreakdown alternate0, align: center]$20.00[/TD]

[TD=class: center boldfont leftrightborder pricebreakdown alternate0, align: center]$85.79[/TD]

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[TD=class: partlayout]DACCO Part # B21FJ9

Hydra-Matic trans.; Trans. code THM125C; 2060 Stall, Paper Clutch[/TD]

[/TR]

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[TD=class: right, align: right]B21FJ9_1.jpg

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[TD=class: center leftrightborder pricebreakdown alternate1, align: center]$69.79[/TD]

[TD=class: center leftrightborder middleborder pricebreakdown alternate1, align: center]$20.00[/TD]

[TD=class: center boldfont leftrightborder pricebreakdown alternate1, align: center]$89.79[/TD]

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[TD=class: partlayout]DACCO Part # B21FD9

Hydra-Matic trans.; Trans. code THM125C; 2095 Stall, Paper Clutch

Hydra-Matic trans.; Trans. code THM440/4T60/ME9; 2095 Stall, Paper Clutch[/TD]

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Going off the info I know-TC is labeled correctly and it was pulled from a tgp-i'm gonna assume it is the correct trans.

I've told the people asking about it that i wanted to confirm what i was selling,but they know what I know and can make an informed decision themselves I guess.

I'm sure it's possible to swap in a regular 4t60,but gonna assume it's correct.

Thanks for input guys.

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assuming typical GM treatment, HD doesn't mean that much different than a regular 4T60.

I agree from what I've seen there is nothing special in there other than the "supposedly" hardened parts. The valve body spacer and check ball placement is different along with some springs in the valve body itself. It appeared they were trying to raise line pressure at low rpm's to provide tighter shifts.

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I thought HD was a tougher diff and roller bearing outputs vs sleeve?

I've never had a n/a and an hd torn apart sided by side but the differentials look the same off memory.

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