John Deer 8770 4 wheel drive.

6600 hrs Had the injectors and pump replaced at 4500 hrs ( have paper work). Engine and hyd oil changed at service Manuel spec. Its been stored in side most of its life until the last two years. Tires Id say about 50%. 4 remote hyd. Mostly pulled and 1850 air seeder at 1750 rpms so not heavy pulled. Pins are tight. Diff lock works.