Paul777 Posted Friday at 08:48 PM Share Posted Friday at 08:48 PM I just acquired a B61T. Door tag appears to be B61T-1756? I've stripped paint from rear spring mount to the brake hose fitting... can't see a trace of any stamped data. Sure appreciate help if I'm looking in the wrong area of the frame. I'm located in Wisconsin. Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/ Share on other sites More sharing options...
terry Posted Friday at 09:23 PM Share Posted Friday at 09:23 PM Move to above the steer axle. terry 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582185 Share on other sites More sharing options...
Paul777 Posted Saturday at 12:37 AM Author Share Posted Saturday at 12:37 AM On the top of the frame? I've stripped off almost everything I can reach. Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582203 Share on other sites More sharing options...
Truckcrazy Posted Saturday at 01:03 AM Share Posted Saturday at 01:03 AM Looks like 1766 to me. You are in the right place on the frame. I don’t see anything. I guess you don’t have a title. Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582211 Share on other sites More sharing options...
mechohaulic Posted Saturday at 01:19 AM Share Posted Saturday at 01:19 AM side rail ?? Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582214 Share on other sites More sharing options...
Paul777 Posted Saturday at 02:06 AM Author Share Posted Saturday at 02:06 AM No title and I'd really like to verify numbers before getting a report from the Mack museum. Are the numbers on the top of the frame rail or on the side? Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582221 Share on other sites More sharing options...
Brian L Blaylock Posted Saturday at 08:21 AM Share Posted Saturday at 08:21 AM The number is on the side of the frame according to your first picture you need to keep cleaning towards the front of the truck some more Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582226 Share on other sites More sharing options...
steve s. Posted Saturday at 11:20 AM Share Posted Saturday at 11:20 AM Mack serial numbers usually started at 1000, so you have a very early model. Unless something was different in the earliest days of the B model, the serial number will be on the side of the frame rail, passenger side, between the front axle and the rear spring hanger for the front axle. In this picture the yellow area is the serial number. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582230 Share on other sites More sharing options...
Paul777 Posted Saturday at 05:21 PM Author Share Posted Saturday at 05:21 PM I am blessed to know most of the history on this truck. Owned by a local family friend for around 60-70 years. It had a tandem axle, winch, and wet kit added early in it's life. Odd that it doesn't have a stamp, but I appreciate your photo! Now I can start cleaning it up enough to get it running. It's been almost 50 years since I saw her towing D8 crawlers past our farm. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582246 Share on other sites More sharing options...
Vladislav Posted yesterday at 09:36 PM Share Posted yesterday at 09:36 PM I was told by a very respectful person that in early years (1953 or so) B-models had the chassis stamping somewhere in the rear portion of the frame. I have never re-checked that info but I'm not a B-model guy. 1 Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582342 Share on other sites More sharing options...
T-Mack1 Posted 21 hours ago Share Posted 21 hours ago Our '57 B Model has it on right side (passenger side), out side of frame rail, slightly behind the front axle. You can see the oil pan in the back ground of the picture. Modern Mack's also have it on the front frame rails (at least until Jan 2025 when I retired). Normally left side, but some have it on both L & R rails and one is usually hidden to counter thief and resale of frames with modified VIN's. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582367 Share on other sites More sharing options...
Latrobe Construction B-61 Posted 12 hours ago Share Posted 12 hours ago Would love to see some pictures of your truck. You’re in the right area on the frame where it should be at. Quote Link to comment https://www.bigmacktrucks.com/topic/75929-b61t-1953-serial-number-help/#findComment-582372 Share on other sites More sharing options...
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