1A24 8100, 8200, 8300, 8400 TRACTORS SHORT BLOCK SERIAL NUMBER PLATE ( -RGSB076882500) RGP4573 -UN-25SEP95 A SHORT BLOCK SERIAL NUMBER PLATE PLUS 2-37H44 DRIVE SCREWS ARE USED TO ATTACH TO REPLACEMENT SHORT BLOCK ASSEMBLIES. THIS NUMBER WILL BE REFERRED TO WHEN NEW PARTS AFFECT THE SHORT BLOCK ASSEMBLY. THE PREVIOUS ENGINE SERIAL NUMBER SHOULD BE STAMPED INTO THE BLANK SPACE PROVIDED, AS A REFERENCE FOR YOUR DEALER. 1. DESIGNATES ENGINE MANUFACTURER RG - WATERLOO ENGINE WORKS 2. DESIGNATES REPLACEMENT SHORT BLOCK SB 3. DESIGNATES LITERS 076 081 4. DESIGNATES THE PRODUCTION DATE 8825 8100, 8200, 8300, 8400 TRACTORS PC2389 (24-SEP-98) 10-7 PN=23