OEM Off Set Gear Reduction 12 Volt 2.7KW 13 Tooth CW Wet Clutch Does not have Ground Stud One Year Warranty 100% Computer Load Tested for Reliability Gear OD: 1.539in / 39.1mm Mtg Ear 1 Hole:11mm Unthreaded Mtg Ear 2 Hole: 11mm Unthreaded Mtg Ear 3 Hole: 11mm Unthreaded Blue Bird All Models (By Engine) - Blue Bird Commercial Bus 1994-1996 Blue Bird SHL Commercial 1996-1996 Blue Bird SHL TC2000 1994-1996 Blue Bird TC2000 1994-1996 Blue Bird Medium/Heavy Truck All American FE L6 5.9L 359cid 1998-2000 Commercial Bus L6 5.9L 359cid 1997-2000 SHL Commercial L6 5.9L 359cid 1996-2000 SHL TC2000 L6 5.9L 359cid 1993-2000 TC1000 L6 5.9L 359cid 1997-2000 TC2000 L6 5.9L 359cid 1995-2000 Compatible with Cummins 5.9L / B Series 1994-1994 Thomas Built Bus MVP-EF 6BTA Thomas Built Bus MVP-EF ISB - Thomas Built Bus SLF 200 ISB - T Thomas Built Bus TL960 6B 1992 - 1998 Thomas Built Bus Type DSaf-T-Liner-ER 6BG