JDToumanian
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Yup... wreckers can rotate. I even thought of powering the wrecker's hydraulic pump with an electric motor (temporarily) so that the wrecker could be used to perform it's own engine swap. 
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Bridge Plate/Weight Classification
- Thread starter Elwenil
- Start date
fordlotus
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- Cocoa, Florida
I lucked out and found one on ebay that gave specs on it. It rotates up to 270 degrees. Thanks, the engine swap is a really neat idea.
acetomatoco
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Check the wheelbase and also that the recovery truck aka wrecker has a walking beam rear susp...
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- West Tennessee
The frame on the wrecker is also substantially beefier than that of the other trucks.
- 34,010
- 1,823
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- GA Mountains
As far as rotation goes, the M60, M108 and M62 can rotate 360°. M543 and M816 pretty sure are limited to 270°. Don't know about the M246 and M819.
77 AMG
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- Owingsville, KY
Sorry for bringing this thread back from the archives, but, HOW do you change the numbers on the plate itself? Mine are all turned "in" so that you cannot read them.
- 5,700
- 3,105
- 113
- Location
- Metairie/La (N'awlins)
The top semi oval piece slides off. When that is off; the individual number layers come off. arrange to your satisfaction and put the top piece back on. Usually it has a C on it for combined weight with a trailer.
NV555
Member
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- Ely and Vegas Nevada
On the sand bridge plate I have seen a M instead of the C.
anyone else seen one?
anyone else seen one?
SO speaking of bridge plates. I would like to find the PS magazine issue with this info page. I want to get a high resolution copy or PDF of it so I can print it out and display it with my truck at shows. I think lots of people are interested in markings and most folks don't realize that bridge plates are more than just axle counts or weights. 
- 6,425
- 4,988
- 113
- Location
- Ft. Lauderdale, Florida
<< According to TM 9-2320-209-10-1
VEHICLE /BRIDGE CLASSIFICATION.
E - Class number of vehicle with no payload.
C - Class number of vehicle with cross-country payload.
H - Class number of vehicle with highway payload.
For a M35A2
E - 6
C - 8
H - 11
While the above is correct, I believe it is worthy of further explanation.... The bridge weight classification system is quiet complicated, varying for wheeled vehicles, tracked vehicles, spacing of axles, speed and number of lanes. I have several manuals on this subject, if anyone wants specifics, let my know and I'll try to supply them.
If you are ever on an active installation, you can note that bridges have classification numbers assigned to them. I say numbers, because there is one for tracked vehicles and one for wheeled vehicles. These can be seen at Ft. Campbell, Ft. Knox, and Ft. Riley, as well as others.
Similarly, vehicles have bridge weight classification numbers assigned to them, and each vehicles classification is listed in a number of manuals. And while there is often a direct relationship between the vehicles gross weight at the class number, it can occasionally vary due to, among other factors, speed and axle spacing. As examples, the M125 truck, with a weight empty of 14.39 tons, carries an empty bridge classification of 12, while a certain
wheeled tractor with a weight of 21.2 tons has a bridge class of 33.
The bridge weight classification numbers mounted on the front of Post-WWII US
military vehicles are as a rule changeable, and when properly operated they are changed, as noted above, depending upon how the vehicle is operated and loaded. The numerals should be changed depending upon load, further, the top plate has a red "C" on its flip side. When a vehicle is being used as a prime mover, that plate should be flipped and the numbers changed to reflect the COMBINATION bridge weight classification of the lash up. When the trailer is disconnected, the "C" should be hidden.
To make this even more difficult, you don't just add the weights, or even bridge classifications, to yield the COMBINATION bridge classification (remember axle spacing, etc., enters into this). As an example:
M270 low bed trailer empty weight 8.75 tons bridge classification 8
M246 tractor wrecker empty weight 16.42 tons bridge weight classification 15
Combination weight M246/M270 25.17 tons Combination weight classification 19
All of the above numbers are from TB 746-93-1,
View attachment gta 05-07-013 bridge plate.pdf
VEHICLE /BRIDGE CLASSIFICATION.
E - Class number of vehicle with no payload.
C - Class number of vehicle with cross-country payload.
H - Class number of vehicle with highway payload.
For a M35A2
E - 6
C - 8
H - 11
While the above is correct, I believe it is worthy of further explanation.... The bridge weight classification system is quiet complicated, varying for wheeled vehicles, tracked vehicles, spacing of axles, speed and number of lanes. I have several manuals on this subject, if anyone wants specifics, let my know and I'll try to supply them.
If you are ever on an active installation, you can note that bridges have classification numbers assigned to them. I say numbers, because there is one for tracked vehicles and one for wheeled vehicles. These can be seen at Ft. Campbell, Ft. Knox, and Ft. Riley, as well as others.
Similarly, vehicles have bridge weight classification numbers assigned to them, and each vehicles classification is listed in a number of manuals. And while there is often a direct relationship between the vehicles gross weight at the class number, it can occasionally vary due to, among other factors, speed and axle spacing. As examples, the M125 truck, with a weight empty of 14.39 tons, carries an empty bridge classification of 12, while a certain
wheeled tractor with a weight of 21.2 tons has a bridge class of 33.
The bridge weight classification numbers mounted on the front of Post-WWII US
military vehicles are as a rule changeable, and when properly operated they are changed, as noted above, depending upon how the vehicle is operated and loaded. The numerals should be changed depending upon load, further, the top plate has a red "C" on its flip side. When a vehicle is being used as a prime mover, that plate should be flipped and the numbers changed to reflect the COMBINATION bridge weight classification of the lash up. When the trailer is disconnected, the "C" should be hidden.
To make this even more difficult, you don't just add the weights, or even bridge classifications, to yield the COMBINATION bridge classification (remember axle spacing, etc., enters into this). As an example:
M270 low bed trailer empty weight 8.75 tons bridge classification 8
M246 tractor wrecker empty weight 16.42 tons bridge weight classification 15
Combination weight M246/M270 25.17 tons Combination weight classification 19
All of the above numbers are from TB 746-93-1,
View attachment gta 05-07-013 bridge plate.pdf
- 17,646
- 26,210
- 113
- Location
- Burgkunstadt, Germany
From the Referances made to Connie, and the helmets and gear, I would say it's late 60's or 70's. PS is on line, I might try looking through a few in the morning. It Fathers Day here in Germany. Need to fire up the grill and have the kids and Grand son over. But will try tomorrow. I love to read them!
Ps #192
It's a 1968 issue. There is a good online copy here.
https://digital.library.vcu.edu/digital/collection/psm/id/8275/rec/11
It's a 1968 issue. There is a good online copy here.
https://digital.library.vcu.edu/digital/collection/psm/id/8275/rec/11