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Fred Coldwell escribió:For MB jeeps before Willys serial number 120700, the standard wheel is the A-465 rim and disc, which is the Kelsey Hayes 16" X 4.00" solid disc wheel. This 16" X 4.0" solid disc wheel listed in the January 15, 1944 ORD 9 SNL G-503 on page 149 is the standard solid disc wheel for slat grille jeeps up to serial number 120700. The other wheel mentioned on page 149 for MB jeeps up to serial number 120700 is the A-1799, which is a 16" x 4.5" solid disc wheel whose manufacturer is unknown. But this A-1799 wheel is aspecial equipment wheel to used with a 16-6.50 tire and tube only "when specified".
These A-1799 16" X 4.5" solid disc wheels were specified for use only on the first 6 MB slat grille jeeps. This fact is established by the note on page 85 of TM-10-1206 Change No. 4 dated Dec. 1, 1941, which limits the use of the A-1798 Tire Chain - 6.50 X 16" Heavy Duty type D, stating: "This chain used on first six Trucks and must be used when specified". This contemporary December 1941 note in a Willys factory Parts List tells me only the first 6 slat grille MB jeeps used the A-1799 16" X 4.5" solid disc wheels with the 16-6.50" tires.
Unfortunately, the January 15, 1944 Ord 9 SNL G-503 does not list on page 149 or nearby the standard 600-16 non-directional tires or tubes used on nearly all MB jeeps, which causes confusion. However, they are listed in the January 15, 1944 ORD 9 SNL G-503 on page 239 under Group 22- Miscellaneous as WO A-7791, Casing, Pneumatic Tire 600 X 16 - 6 Ply, and A-457, Tube, Pneumatic Inner 600 X 16 (Heavy Duty). This is found under the Ordnance Maintenance Unit Stockage List.
For the February 15, 1945 ORD 9 SNL G-503 replacement parts manual, tires and tubes were moved again to Group 2306 on page 221 and were given only Ordnance Official Stock Numbers 8-T-8978 and 8-T-14215, respectively. The Ford and Willys manufacturer part numbers were dropped at this time for purposes of Ordnance replacement parts.
I hope this clears things up and helps you with your restoration.
** Edited 4-3-11 to indicate the manufacturer of the A-1799 solid disc wheel is unknown.
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