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In Reply to: Common JD 140 problems posted by Jim on Tuesday, July 08, 2008:
The only common problem I asm aware of is that these tractors are close to 40 years old. The kohler "K" series motors in these is legendary in their strength and power. The hydrostat was also one of the best ever made. The early model 140s had 3/4" dia. front axle spindles, which was fine unless you wanted to use a front loader on them. These machines were originally designed by Deere to compete with the IH Cub LowBoy 4 cylinder tractors and the intended market was large estates, and small farms as a small utility tractor. You can go to www.weekendfreedommachines.com and read up on all their history, and the MANY MANY attachments that were made for these both by Deere and several aftermarket companies. These tractors could be fitted with a front loader, rear back ho, post hole drill, wood chipper (I have one), moldboard plows, planters, and much more.
What to inspect? Check that it starts, doesn't smoke, runs smooth at or near full throttle ("K" series Kohlers don't like to idle and they shake. Since they are splash lubed it ain't good to idle them too much anyway), Make sure it goes forward and reverse, check the front wheels for any wobble (not too bad to fix, just bearings unless the axle spindles are badly worn, uncommon but does happen). Missing tin work, grill, seat, hood are all replaceable from Ebay. Check down low on the front frame to see if those "hooks" are straight so front attachments will still attach. Check the level of the hydro fluid, and it's color and smell. It can be either red or a light amber, should smell like fresh oil, not burnt, should not be brown or blue or any other color for that matter. Extra goodies to look for are the rear sleeve hitch that raises and lowers, or the optional 3 point hitch, the rear PTO, cast iron wheel weights, tire chains, attachments like a snowblower, tiller, etc. The "mule" drive is located at the very bottom of the front of the frame and has the pulleys for turning the mower beltunder the tractor. It's pulleys should turn freely by hand. The PTO clutch on the front of the tractor just behind the grill is electrically powered. It should activate when the switch is thrown on the dash as long as you are seated and thereby activating the seat safety switch. Extra bonus is if it has lights and they work. That's about all I can think of.
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