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Joined: Apr 2001
Posts: 268
G
Shop Shark
Shop Shark
G Offline
Joined: Apr 2001
Posts: 268
I need to find a speed-o-meter drive gear for my 1952 GMC 450-30. Has a Clark 5 speed M/N 205V.

Numbers on gear is #SW 448355....


Thanks for looking!

Yes, I posted this on Parts Wanted.

Covering the bases.

GMCPic


Dance like no one is watching,
Sing like no one is listening,
Love like you've never been hurt.

1948 GMC FC101 1/2t Pickup w/270 and SM420
1948 GMC FC253 1t Factory 80"x9' Flatbed Dually
1948 Chevy COE 2 Ton 8'x15' Flatbed
1950 GMC 354-24 2 Ton 8'X12' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton 8'x14' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton Cab and Chassis
1942 Clarkator 6 MILL-44 Heavy Aircraft Tug
1942 Ford (9N) Moto Tug with 1/2 yard Loader
1947 Oliver OC3 HG-42 Tract-Crawler Bull Dozier w/6' Blade
Joined: Nov 2005
Posts: 6,100
3
3B Offline
'Bolter
'Bolter
3 Offline
Joined: Nov 2005
Posts: 6,100
Hy GMCPic, if you have the gear or what's left of it could you tell us the number of teeth? Are you looking for the gear that's part of the transmission mainshaft, or the gear that the speedometer cable goes into?

Joined: Apr 2001
Posts: 268
G
Shop Shark
Shop Shark
G Offline
Joined: Apr 2001
Posts: 268
Hi,

The gear that drives the cable...the driven gear.

It is an all steel gear, it is the driven gear with 15 teeth.

The one the speedometer cable connects too.

The end the cable extension rod attaches too broke off.

I will take pictures tomorrow.

The gear fits down inside the rear bearing retainer. Through the left side at a 45 degree angle. It has a 6 inch extension on it and a 90 degree angle drive on top of that, which is actually what the speedometer cable connects too.

The 6 inch extension comes up between the parking brake drum and the transmission case too just above the parking brake support arm/bracket. Then the angle drive sets on top of that extension.

Inside the extension is a steel rod that has a ridge running the length of the rod, rod is about 3/16 diameter. The rod acts as the internal extension that drives the angle drive on top from the driven gear in the trans bearing retainer.

I have another Clark 205V which does not have this type of rear bearing retainer or speedometer adapter.

Also, from curiosity question/comment: The shift tower on the trans in the truck is very different from the shift tower on my spare 205V trans, but same shift pattern, any comments. Cases have same casting numbers (5455)

The only difference is my truck is a 1952 454-30 (3 ton) with 1500 series U-Joints (Large "T" caps). The spare came out of a 1952 370(2.5 ton) and has the smaller U-Joints. But same parking brake setup.

My spare Clark 205VO has speedometer drive comes out left side of rear bearing retainer at a level angle.

Edit Photos: http://s1253.photobucket.com/albums/hh594/GMCPic/Speed-O-meter%20Drive%20Gear/

Last edited by GMCPic; 06/29/2012 5:40 AM.

Dance like no one is watching,
Sing like no one is listening,
Love like you've never been hurt.

1948 GMC FC101 1/2t Pickup w/270 and SM420
1948 GMC FC253 1t Factory 80"x9' Flatbed Dually
1948 Chevy COE 2 Ton 8'x15' Flatbed
1950 GMC 354-24 2 Ton 8'X12' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton 8'x14' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton Cab and Chassis
1942 Clarkator 6 MILL-44 Heavy Aircraft Tug
1942 Ford (9N) Moto Tug with 1/2 yard Loader
1947 Oliver OC3 HG-42 Tract-Crawler Bull Dozier w/6' Blade
Joined: Apr 2001
Posts: 268
G
Shop Shark
Shop Shark
G Offline
Joined: Apr 2001
Posts: 268
Hi

Photos of speedometer driven gear and related parts.

http://s1253.photobucket.com/albums/hh594/GMCPic/Speed-O-meter%20Drive%20Gear/

Thanx,
GMCPic


Dance like no one is watching,
Sing like no one is listening,
Love like you've never been hurt.

1948 GMC FC101 1/2t Pickup w/270 and SM420
1948 GMC FC253 1t Factory 80"x9' Flatbed Dually
1948 Chevy COE 2 Ton 8'x15' Flatbed
1950 GMC 354-24 2 Ton 8'X12' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton 8'x14' Flatbed w/Dump Hoist
1953 GMC 454-30 3 Ton Cab and Chassis
1942 Clarkator 6 MILL-44 Heavy Aircraft Tug
1942 Ford (9N) Moto Tug with 1/2 yard Loader
1947 Oliver OC3 HG-42 Tract-Crawler Bull Dozier w/6' Blade

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