Serial no.: AL 400 Series 41250 and up 41249 and below AL 500 Series 51242 and up 51241 and below Complete factory service repair manual for the GEHL AL440 / AL540 Articulated Loader.This manual contains service, repair procedures, assembling, disassembling, wiring diagrams and everything you need to know. Service Repair Manual Covers Chapter 1 — Safety Chapter 2 — Specifications Chapter 3 — Maintenance Chapter 4 — Operation Chapter 5 — Chassis Chapter 6 — Engine Chapter 7 — Cooling System Chapter 8 — Axles Chapter 9 — Hydraulics Chapter 10 — Machine/Drive Controllers Chapter 11 — Electrical System Chapter 12 — Troubleshooting ==================================== High Quality PDF Manual,All pages are printable. Instant Download No Shipping Cost No Need to Wait For A CD-ROM File Format PDF Language English Compatible All Versions of Windows & Mac Requirements Adobe PDF Reader Thanks for visiting!.