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Joined: Mar 2007
Posts: 114
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Mar 2007
Posts: 114 |
Hi
I tried the search but it jammed.
Anyway, Are the identification numbers available here? I mean, I was asked whether I have a 27-30 four speed truck transmission to swap but I don't know these models that well. If there is a list of numbers where I can look the numbers, the I could easily see If I have an available gearbox. I can not give the numbers now, since the boxes are 350km away.
# 45414
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Have you checked in the Tech Talk? NUMBERS Everyone should check this thread frequently for newly posted items.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Jan 2002
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ChatMaster - 2,000
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ChatMaster - 2,000
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I have a 1928 4 speed trans. here and the cast number on case is 590328 and then there are date codes cast in also.
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Joined: Mar 2007
Posts: 114
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Mar 2007
Posts: 114 |
No, I had not seen those numbers, like I said the "search" jammed. Those numbers are mainly for Chevy six. Are the numbers same for older casts.
So the cast numbers for 4-speed truck transmission are:
1928: 590328
1929-31: 590369 352323
How about 1927?
The person was asking for a tranny, which has been used in 1972-30. I understood that it is the one same transmission type. Is there differences between these casts?
# 45414
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
4-cyl NUMBERS and then scroll down to entry 90195
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Nov 2001
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ChatMaster - 15,000
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ChatMaster - 15,000
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This is from memory but don't believe that Chevrolet used a 4 speed transmission until the late 1928 LP trucks. The same basic transmission was used in the 1 or 1 1/2 ton trucks thru the 1931 LT series. Beginning with the 1931 M series the 4 speed was changed and that one used until ca 1947.
Last edited by Chipper; 07/27/07 08:44 PM.
How Sweet the roar of a Chevy four!
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Joined: Mar 2007
Posts: 114
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Mar 2007
Posts: 114 |
Pretty much possible. I know scarcely anything about trucks, and I was only asked for a such a tranny. Obviously the person has some wrong knowledge himself.
# 45414
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Joined: Jan 2002
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ChatMaster - 2,000
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ChatMaster - 2,000
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1927 LM + LO where the first 4 -speed truck trans. 28 LP is the second 4 -spd. trans.
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Joined: May 2002
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ChatMaster - 1,000
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ChatMaster - 1,000
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1927 "LM" series trucks used a 3 speed transmission,which was mated up to the larger truck universal joint.The early 1928 "LO" series truck came fitted with a standard 3 speed transmission,the same as the "LO" series,but there was a 4 speed transmision offered as an optional extra. Then when the "LP" series truck came out,it was fitted with a 4 speed transmission as standard fitment.The "LP" 4 speed is slightly different to the optional transmission offered to buyers of an "LO" series truck. The "LP" 4 speed is also slightly different to the 1929 "LQ" series trucks.I have found that there are at least 3 different length clutch input shafts,between these various gearboxes. 
CJP'S 29
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Joined: Mar 2007
Posts: 114
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Mar 2007
Posts: 114 |
Well, thanks for the information. As a conclusion, I think, as far as there is four speeds in the transmission, it should be fine for this person.
# 45414
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Joined: Jan 2002
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Backyard Mechanic
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Backyard Mechanic
Joined: Jan 2002
Posts: 242 Likes: 1 |
The easyest way to ID a 28 truck transmission over a 29 or 30 is the 28 has a 4 bolt Power take off mount and the 29 & 30 has a six bolt, only the four speeds had this PTO mount?
Jim
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