It's recommended that you keep the top speed for your M151-series 1/4-ton truck under 50-MPH for the first 1,000 miles of operation. This's for proper break-in of drive line components and service brakes. Whether new or already broken in, never torture your quarter-tonner with: SPEED TOO HIGH FOR SKIPPING GEARS WHEN SHIFTING THE GEAR POSITION .0 DRAG STRIP TAKEOFFS USING THE ENGINE ALONE TO BRAKE-DOWN -f" .L GUNGUN FROM HIGH SPEED SUDDEN OR FORCED ENGAGEMENT OF OPERATING CONTROLS M113/MII3AI WEIGHT CLASS Confused about the weight classification for M113/M113A1 vehicles, includ- ing the M577A1? It's 11... like FM 5-36 (May 65) says in Ch 1 (Apr 66), Table IV-1, page AIV-9. TM 9-2300-257-10 will get this new word. $g SWITCHING' TIME There's a new starter switch for G744-series 5-ton diesel and multifue trucks and for those G742-series 2-1/2-ton multifuel trucks with the LD 465-1 engine (M35A2 etc.). Ask for Switch, starter, FSN 2920-133-9629 the next time you order one. It replaces Switch, FSN 2920-781-1953. Have you got the new vertical exhaust stack on your M52A1 truck tractor (or other straight diesel 5-tonner)? The exhaust pipe-to-turbocharger clamp assembly is FSN 2990-972-2605 -same as used on the older exhaust system-listed in TM 9-2320-211-20P w/Ch 1 and Ch 2 (Apr 67).