#31
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Engine casting #s
I crawled under the C15 today to check the engine casting number on the block. There's a GM and under that is 839180. Is this the number that indicates the manufacturing date? The # off the Maple Leaf engine I got for my C8 is 839132. Behind the starter on this block is CON3 A212. Tomorrow I'll check the #s on the one out of the C8. Any help on dates would be appreciated.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Numbers
The # 839180 is the casting number, and is that allcoated to around the 1940-41 period. Near it is the the date code. The other Block # is 839132, which is the 1940-41 216 Block number, and A 21 2 indicates January 21st 1942. That would suggest that it was ex-military.
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#33
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Manufacture dates
David, here's a few more numbers for you. The motor I took out of my C8 has casting # 839253 with a build code of K 11 1 which I gather is Nov 11, 1041, so this won't be original in a Cab 11.
My HUP has the original motor with casting # 839253 and date code B 3 3 which is Feb 3, 1943. The serial # is FR 3889179 and the truck date of manufacture is Feb 25, 1943. I guess it didn't take very long to get the motors from the engine plant to the truck plant. I'll have to take the starter off the C15 one of these days so I can see the date code on that one too, but with no serial # on the engine I'd say it's not the original engine.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Mirror arms
The adjustable mirror arm in this photo is off the C15. My Cab 11 C8 uses the same type arms. The yellow one is off a Cab 11 C15A. I looked at my picture collection and very few Cab 11s had the solid arms. When would this change have been made?
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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NUMBERS
Spot on with the numbers David!
As to shifting these engines..if you think about it The McKinnon Industries Ltd in St Catherines, Ontario which had then to be railed to Windsor, and then built up, and finally railed on to Oshawa for assembly into chassis. My information has it that 5604 engines were assembled in Windsor in February 1943, with over 6000 in March 1943. I have seen a photo of hundreds of engines stored at Windsor awaiting shipping...the one that you referred to must have shifted very quickly otherwise it could just be a replacement I suppose (without knowing what the build plate states was the original). We know that human nature being what it is, the guys on the floor reached for the nearest parts to use and so sometimes they were installed quicker than other parts that were at the back of the pile or store. Hence the disparity in engine numbers versus chassis numbers. I have often wondered whether there were any missives from management in auto plants to use up the old stock at the back of the storage area, or bottom of the stacked crates. Last edited by David_Hayward (RIP); 22-05-07 at 12:04. |
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David, on that HUP the engine serial # matches the # on the data plate..
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Production
That's pretty good going then! As i said you can imagine that a partilcular engine is placed down at the front of a huge are of similar units, and then taken away and railed off, and then chosen again, so that the factors align.
On the other hand there were serious out-of-sequence numbers where engines presumably stuck at the back, or perhaps had a problem than needed rectifying, and so were used much later. However it gives us some idea of dating engines by their number. Thanks very much for the input; more is needed! |
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????? for David and David...
....... read with interest the old messages you included in your email David....... but all of that information "seems" to be referring to trucks that were shipped overseas for assembly......
In the case of Cletrac and my C15a cab 11.... those must have been fully assembled in Canada..... and suffered from parts availability such as a Ford grill on my Chev, etc....... I have to check back on my early, 3 years ago, emails that we exchanged on the origin of my truck..... Is it possible that those trucks assembled in Canada for use in Canada may have been somewhat erratically built with earlier changes to design......... for example....... if memory serves me right my cab 11 tags related to May 1940.....yet I have the vent holes and the second fender bar brace..... and the front axle contained the R-Zeppa inner shafts...??? My seat backs are also one piece....???? Now I must add that I cannot prove that any parts on my truck are original to the initial assembly....what with all field repairs and parts switching based on what was available ...... So what do we know about the trucks built in Canada for use in Canada.....???? Bob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
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Differences
Bob, interesting points there! Who can say whether cabs with no holes or vents were mixed on the line with those with ventilation? There must have been a period when cabs (from Fords) were being delivered and then stored in the changeover period and some mixing-up occurred.
The only differences that I know of in these early trucks btween Canadian D.N.D. and British orders was from the DND papers: Quote:
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Today I took the rear end carrier assembly out of my Maple Leaf 2 ton parts truck to compare it to the C15 and F15A rear ends. It's the same as the C15 (same ratio too) but the Chev rear ends in the F15A are about two or three inches more in diameter. They must come from the civvy three tons. It makes me wonder which civvy models they sourced the C60 units from.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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McKinnons
The McKinnonn Industries Ltd of St Catherines were aksed by the DND to produce 4-wheel drive equipment, and I have always believed that they had some form of licence from the US counterparts, namely Chevrolet Axle plant in Flint I think it was, and also Timken-Detroit. If we are talking three-ton, then basically whatever GMC heavies used in the States is my suggestion. I think that then means Timken....but with the local adaptation etc.
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Here's some factory pix of the 2A1 body.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Just about there.
Last one. The only problem is they're Fords but they'll have to do. That's a 1940 Ontario license plate. This isn't the 2A1. It's likely the 2B1.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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CT & B
..Canadian Top & Body Company Limited, [of Brantford, Ontario] I think.
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Looking at these pictures I noticed that the last two aren't the 2A1 body. It looks like they're the 2B1 and they're on an 11 cab.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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I noticed this catch on the 2A1 box that holds the fold down side in the raised position. It looks like it just uses gravity to hold it in the latched position. In Mike Kellys Morris drawings he doesn't show anything like it on the British boxes but they had to have something.
I did the yellow highlighting with a program called Black Magic. You can colourize a black and white photo fairly easily with the program.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 Last edited by cletrac (RIP); 29-08-07 at 04:27. |
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I started drawing the 2A1 in my AutoSketch program so decided to post this one to see how it works. I converted it to a jpg image to post it. When I make any changes I'll edit the post and update it.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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that is a nice drawing. What program did you use? Is it called AutoSketch or something else as I am looking for a simple drawing program myself.
When I had Applemac I used a simple program called Claris Draw and it was easy enough to learn in an afternoon whereas Auto Cad is too complicated for what I want now.
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Cheers Cliff Hutchings aka MrRoo S.I.R. "and on the 8th day he made trucks so that man, made on the 7th day, had shelter when woman threw him out for the night" MrRoo says "TRUCKS ROOLE" |
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Cliff, it's called Auto Sketch and it's a real simple program to use. My version is 2.1 and it's from 1995. I'm sure they've made some improvements by now. It's a 2D CAD program from Auto Desk. Auto Sketch
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Thanks David. I want it to draw scale model plans so I will see if I can get it locally.
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Cheers Cliff Hutchings aka MrRoo S.I.R. "and on the 8th day he made trucks so that man, made on the 7th day, had shelter when woman threw him out for the night" MrRoo says "TRUCKS ROOLE" |
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Cliff, the buy it now price on Ebay is $29.95 for the latest version. I just bid on one under Hayseeddave username.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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Same bracket on Morris
Quote:
The yellow hold down device you highlighted is the same as used on the Morris CS8 GS body , looks like the early Canadian body is really a copy of the British version, in many respects . It just sits there by gravity as you said . Mike
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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I scanned these parts ages ago
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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pics 16 and 17
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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plate
Plate from a late production Morris CS8 cab , with the doors etc.
Nearly all of the CS8's I have seen here , are from this contract .
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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Mike, thanks for the drawings. I compared the 2A1 pix with your drawings on the Morris site and thay're almost the same. The 2A1 is longer in the wheel wells and the Canucks used 1" boards on the sides and endgate and 1 1/2" on the floor. That's the only differences I've noticed so far. Your Morris drawings will work for the front and the endgate. The sides are the same except for the overall length.so feel free to post more of those drawings.
I'm not quite sure of the construction of the wheel wells. What thickness lumber would they have used there and were they completely framed with angle iron? Two more questions. What size lumber were the cross sills made of and did they use any lengthwise sills under them? The 2A1 uses a long shaft for the tailgate hinge.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 Last edited by cletrac (RIP); 31-08-07 at 06:40. |
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wells
The wheel wells don't have angle iron , they used wooden supports inside the corners , its all held together with wood screws .
I did take some pics of the wells on a original GS body > but I cannot find the disc .... This may help , but I cannot say if this is 100% correct .
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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drawing
brian Cook's drawing
I think its approx. correct . Mike
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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the British version has a little trap door , for access to the diff ... kinda cute
brians truck door could be handy for disposing of unwanted rubbish ! floor details
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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Body Parts List
I just got a copy of Alex Blair's manual #2 Body Parts List. It just has two drawings of the 2A1 body.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2 |
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