Question about a 67 GMC 4speed with aux trans (twin stick) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

70BLAZERX2 · 12-30-2010, 07:07 PM

Anyone know the gear ratio's of a spicer aux trans...I bought a 67 gmc ton a few years ago,had a 351 V6 and a spicer 4speed trans..behind that was another 4 speed trans..with a mini driveshaft and a seperate shifter..

Truck was an old moving van..long wheelbase..and was a calif. truck.

Is this an overdrive unit? in 67 build book it does say that aux trans was avail.

I will have to dig it out to get pics..truck is long gone..I saved the whole setup.

**special-K** · 12-30-2010, 08:51 PM

Sounds like a Brownie Gear or Brownie Drive set-up. Truckers used to do that and also some trucks could be built that way from factory. I never heard of it from the factory on a light duty truck. You have my curiosity stirred now.

70BLAZERX2 · 12-31-2010, 04:01 PM

I have a 68 service manual it says..that the aux trans..has

1st gear (low)
2nd gear (low)
3rd is normal..1-to-1
4th is overdrive.

Buts thats all the info it has on it.

Here is the truck it was in..and a page showing the aux as a factory option.

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Longhorn Man · 12-31-2010, 04:14 PM

wow... very interesting. Never heard of such a thing in a light duty. Is the SPID still on the glove box door?

67chevy1series · 12-31-2010, 04:43 PM

wow that was a heck of a work truck

70BLAZERX2 · 12-31-2010, 06:20 PM

I was going to make a rollback out of it but got $800 for just the motor out of it..I wound up with a motorhome chassis with a 454 Th400 and a dana70HD rear disc brake axle..for $1,000..And it works great.

I just want to gain overdrive in this thing..

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70BLAZERX2 · 12-31-2010, 06:22 PM

Quote:

Originally Posted by Longhorn Man

wow... very interesting. Never heard of such a thing in a light duty. Is the SPID still on the glove box door?

tnblazerk5 has the cab that was on this truck , I will check it when i go there sunday.

And it also had 17.5 inch wheels on it

**Bob B.** · 01-01-2011, 12:02 AM

Wow, that is an oddball. Spicer 4 speed aux. transmissions were a common option, but only on 7500 series and larger GMC's in '67. Most likely some enterprising former owned stuck it in there. Does the transmission have model number plate on it? While we are on the subject, Warn (of winch and locking hub fame) manufactured a 2 speed aux. gearbox for manual transmission equipped GMC pickups in the late 60's. I would like to see one of those units, but I would imagine they are very rare.

factorystock · 01-01-2011, 07:48 PM

I agree with Bob B. These auxilary transmissions were found in big rigs and 10 wheel dump trucks in the 60's for heavy duty on and off road work.Not generally found in smaller light duty trucks. Is there a data plate rivited to the side of trans? Your really need this plate to figure out what you have. Spicers came in the 6000 series 7000 series and 8000 series. For example Spicer 6041 : 1st 2.14 2nd 1.24 3rd 1.00 4th .86 or Spicer 6041-A : 1st 2.14 2nd 1.24 3rd 1.00 4th .75 So the 6041 has a .86 overdrive and the 6041-A has a .75 overdrive. Other series have similar ratios, just more heavy dutier the higher the series.

70BLAZERX2 · 01-01-2011, 10:24 PM

I was on the road all day today..got a 97 gmc ex cab short bed..bad trans..and a 1988 gmc 3500 2wd with a 454 th400...And they are on my rollback right now..One on top..other on the stinger..I will have pics of it in the morning..LOL what a load..

Rollback is a stock 77 454 Th400 motorhome chassis.

The aux trans i will have to dig it out and get pics..and tag info...I will keep you updated..

70BLAZERX2 · 01-01-2011, 10:38 PM

This 67 gmc had a big alumn . box on it that said "EZ HAUL"

it was a moving van..like u=haul...but was green and silver..

70BLAZERX2 · 01-02-2011, 03:49 PM

My rollback with a load of 97 gmc ex cab shortbed and a 88 C3500 2wd ex cab longbed..

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**special-K** · 01-02-2011, 03:53 PM

...green with 3 elephants holding the tail of the one ahead with it's trunk.

I doubt a rental truck company ever would have used such a set-up for the general public to use. Makes me think it was added later on.

70BLAZERX2 · 01-02-2011, 03:57 PM

I tried to google a pic of that..yes green with elephants on it...Cannot find a pic..that is what this truck was...

Quote:

Originally Posted by special-K

...green with 3 elephants holding the tail of the one ahead with it's trunk.

I doubt a rental truck company ever would have used such a set-up for the general public to use. Makes me think it was added later on.

70BLAZERX2 · 03-31-2011, 03:48 PM

I figured it out..This is a 3 speed unit..

shifter has 4 positions ..low neutral direct and overdrive.

it is a Watson Trans Brown Lipe Gear Spicer model 43

Known as a "BROWNIE" Model 43 these were used in the 60's and alot were in the 2 to 5 ton trucks

This truck had the 17.5 wheels on it..so i guess it fell into the 2 ton class..

here are a few pics of the unit....before it gets cleaned up and put in the rollback..

bfay17 · 03-31-2011, 08:09 PM

Shrine Circus maybe or something similar. Just taking a guess but who knows.

Longhorn Man · 03-31-2011, 11:49 PM

I would love to have something like that. Pretty sweet.

12-30-2010, 07:07 PM	#1
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Question about a 67 GMC 4speed with aux trans (twin stick) Anyone know the gear ratio's of a spicer aux trans...I bought a 67 gmc ton a few years ago,had a 351 V6 and a spicer 4speed trans..behind that was another 4 speed trans..with a mini driveshaft and a seperate shifter.. Truck was an old moving van..long wheelbase..and was a calif. truck. Is this an overdrive unit? in 67 build book it does say that aux trans was avail. I will have to dig it out to get pics..truck is long gone..I saved the whole setup.

12-30-2010, 08:51 PM	#2
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Question about a 67 GMC 4speed with aux trans (twin stick) Sounds like a Brownie Gear or Brownie Drive set-up. Truckers used to do that and also some trucks could be built that way from factory. I never heard of it from the factory on a light duty truck. You have my curiosity stirred now. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ Last edited by special-K; 01-01-2011 at 08:16 PM.

12-31-2010, 04:01 PM	#3
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I have a 68 service manual it says..that the aux trans..has 1st gear (low) 2nd gear (low) 3rd is normal..1-to-1 4th is overdrive. Buts thats all the info it has on it. Here is the truck it was in..and a page showing the aux as a factory option.

12-31-2010, 04:14 PM	#4
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: Question about a 67 GMC 4speed with aux trans (twin stick) wow... very interesting. Never heard of such a thing in a light duty. Is the SPID still on the glove box door?

12-31-2010, 04:43 PM	#5
67chevy1series Registered User Join Date: Mar 2010 Location: a t w a t e r cali 95301 Posts: 10,713	Re: Question about a 67 GMC 4speed with aux trans (twin stick) wow that was a heck of a work truck

12-31-2010, 06:20 PM	#6
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I was going to make a rollback out of it but got $800 for just the motor out of it..I wound up with a motorhome chassis with a 454 Th400 and a dana70HD rear disc brake axle..for $1,000..And it works great. I just want to gain overdrive in this thing.. Last edited by 70BLAZERX2; 12-31-2010 at 06:21 PM.

01-01-2011, 12:02 AM	#8
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,393	Re: Question about a 67 GMC 4speed with aux trans (twin stick) Wow, that is an oddball. Spicer 4 speed aux. transmissions were a common option, but only on 7500 series and larger GMC's in '67. Most likely some enterprising former owned stuck it in there. Does the transmission have model number plate on it? While we are on the subject, Warn (of winch and locking hub fame) manufactured a 2 speed aux. gearbox for manual transmission equipped GMC pickups in the late 60's. I would like to see one of those units, but I would imagine they are very rare. __________________ 1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.

01-01-2011, 07:48 PM	#9
factorystock Registered User Join Date: Feb 2007 Location: west coast Posts: 3,399	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I agree with Bob B. These auxilary transmissions were found in big rigs and 10 wheel dump trucks in the 60's for heavy duty on and off road work.Not generally found in smaller light duty trucks. Is there a data plate rivited to the side of trans? Your really need this plate to figure out what you have. Spicers came in the 6000 series 7000 series and 8000 series. For example Spicer 6041 : 1st 2.14 2nd 1.24 3rd 1.00 4th .86 or Spicer 6041-A : 1st 2.14 2nd 1.24 3rd 1.00 4th .75 So the 6041 has a .86 overdrive and the 6041-A has a .75 overdrive. Other series have similar ratios, just more heavy dutier the higher the series.

01-01-2011, 10:24 PM	#10
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I was on the road all day today..got a 97 gmc ex cab short bed..bad trans..and a 1988 gmc 3500 2wd with a 454 th400...And they are on my rollback right now..One on top..other on the stinger..I will have pics of it in the morning..LOL what a load.. Rollback is a stock 77 454 Th400 motorhome chassis. The aux trans i will have to dig it out and get pics..and tag info...I will keep you updated..

01-01-2011, 10:38 PM	#11
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) This 67 gmc had a big alumn . box on it that said "EZ HAUL" it was a moving van..like u=haul...but was green and silver..

01-02-2011, 03:49 PM	#12
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) My rollback with a load of 97 gmc ex cab shortbed and a 88 C3500 2wd ex cab longbed..

01-02-2011, 03:53 PM	#13
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Question about a 67 GMC 4speed with aux trans (twin stick) ...green with 3 elephants holding the tail of the one ahead with it's trunk. I doubt a rental truck company ever would have used such a set-up for the general public to use. Makes me think it was added later on. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

03-31-2011, 03:48 PM	#15
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,310	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I figured it out..This is a 3 speed unit.. shifter has 4 positions ..low neutral direct and overdrive. it is a Watson Trans Brown Lipe Gear Spicer model 43 Known as a "BROWNIE" Model 43 these were used in the 60's and alot were in the 2 to 5 ton trucks This truck had the 17.5 wheels on it..so i guess it fell into the 2 ton class.. here are a few pics of the unit....before it gets cleaned up and put in the rollback..

03-31-2011, 08:09 PM	#16
bfay17 Young Gun Join Date: Aug 2008 Location: Waupaca, Wi Posts: 192	Re: Question about a 67 GMC 4speed with aux trans (twin stick) Shrine Circus maybe or something similar. Just taking a guess but who knows. __________________ 1968 chevy c10 soon to have 454 and turbo 4006 1970 custom/20 4x4 454/sm465/np205 around 7 inches of lift with 36's. 1992 2wd sierra 5.7 with edelbrock intake, headers, and a Chip. Posi rear with 235/75/15 tires. Soon to have a few more upgrades 2003 ccsb 1500hd

03-31-2011, 11:49 PM	#17
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: Question about a 67 GMC 4speed with aux trans (twin stick) I would love to have something like that. Pretty sweet.



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