Using the same engine as the 4020, but being almost 1000 lbs lighter, the 4000 could, in the same amount of time, pull a 4-bottom plow fast enough to cover the same acreage as a 4020 with a 5-bottom plow. The only manual i could open up was for the lt180 not. 5L four cylinder diesel engine Serial T04045T569012, Powershift transmission 8F-4R gears, Four wheel drive, Differential lock, OROPS, 7'W backfill blade, Winch, Altec AM550H articulating insulated boom Deutz F3L1011F 3. John deere 540b winch adjustment The cover was on the driver side of the skidder, the brake band on mine had an adjustment bolt that had to be set to a tight tolerance - I had it in my service manual but sold the machine and manual.