Chelsea Power Shift PTOs deliver clash-free shifts whether the vehicle isstationary or on the move. Constant mesh input gears and specially designedclutch packs make these PTOs ideal for applications that demand frequent PTOshifting. Compatible with Force America Products.The 250 PTO series is a hydraulically operated (electric-over-hydraulic)and is used with the 2002 and newer Allison “1000” series transmissions used inthe Chevrolet/GMC C4500/5500 chassis. Output 122% of engine speed Output SAE “A” 2 or 4 bolt 5/8″-9 tooth splined shaft – engine rotation Right (Drivers) side of transmission installation (C/K30) Includes stud kit Chevrolet/GMC application includes 2002 to current C/K30 with 1000 series Allison (Requires optional heat sheild/steel line kit – see 251GDHVP-B5XE for PTO w/Heat Sheild Kit) Chevrolet/GMC application includes 2003 to current 45/55/6500 series chassis with 1000, 2000, 2200, or 2400 series Allison transmission An OPTIONAL lube “T” fitting is REQUIRED in the oil return cooling line to supply low pressure oil to the idler shaft of the PTO. Part number 378840 “T” fitting is for the transmission model 1000 with SAE #3 bell housing. Part number 378970 for transmission models 1000/2000/2400 with the SAE #2 bell housing. The high pressure port requires a 7/16-20 O-ring boss fitting
