Joined
·
399 Posts
The Model 140
The hydrostatic transmission also afforded a new feature formerly only found on large farm tractors; hydraulic lift. The charge pump on the transmission fed a single spool valve on all models. The H3 models used the power beyond output of the single valve to supply pressurized oil to a separate two spool valve. The three levers on the left side of the pedestal were closely spaced to allow them to be "palmed". Pioneer style couplers were utilized on the front of the tractor to control attachments and an optional rear set of outlets powered a Category "0" three point hitch or other rear attachments. Deere advertised the ability to
use multiple integral attachments at the same time, something the other manufacturers could not accommodate. The option of a front blade in conjunction with a rear mounted tiller was a popular choice.
With a tractor the size of the 140, allied suppliers were quick to adapt it to their equipment. Front end loaders were available, as were groundsaws, post hole diggers, hard and soft sided enclosures, landscape rakes, numerous gardening tools like plows and discs, and other tools and attachments aimed at commercial users. A more comprehensive listing of these can be found in the allied attachments section of the site.
For 1969, the 140 received a 15% upgrade in power with a move to the 14 horsepower Kohler cast iron K321AS. Also new for the '69 model was individual rear brakes. These allowed sharper turns, as well as the ability to feather a wheel if it was spinning. A change a little more difficult to detect was a switch to a true three spool valve on the H3 models.
At Serial number 30001, for the 1971 model year a change was made in the type of hydrostatic unit used. This change incorporated a pinion and ring gear design rather than the bull gears used on previous models. The rear axle diameter was also increased. Rear brakes were changed for the disc type used up to this time to a more reliable drum brake system. Individual rear wheel brakes were retained on the H3 models.
Other changes were made throughout the run from the 1968 through 1974 model years. Additional John Deere attachments were added such as the 54C center mounted grader blade and the 542 front mounted PTO.
Summary by Robb Kruger, Photos from John Deere advertising literature. 01/03/2002
- Twelve horsepower, air cooled, Kohler model K301AS cast iron engine with Bendix style starter
The hydrostatic transmission also afforded a new feature formerly only found on large farm tractors; hydraulic lift. The charge pump on the transmission fed a single spool valve on all models. The H3 models used the power beyond output of the single valve to supply pressurized oil to a separate two spool valve. The three levers on the left side of the pedestal were closely spaced to allow them to be "palmed". Pioneer style couplers were utilized on the front of the tractor to control attachments and an optional rear set of outlets powered a Category "0" three point hitch or other rear attachments. Deere advertised the ability to
use multiple integral attachments at the same time, something the other manufacturers could not accommodate. The option of a front blade in conjunction with a rear mounted tiller was a popular choice.
For 1969, the 140 received a 15% upgrade in power with a move to the 14 horsepower Kohler cast iron K321AS. Also new for the '69 model was individual rear brakes. These allowed sharper turns, as well as the ability to feather a wheel if it was spinning. A change a little more difficult to detect was a switch to a true three spool valve on the H3 models.
At Serial number 30001, for the 1971 model year a change was made in the type of hydrostatic unit used. This change incorporated a pinion and ring gear design rather than the bull gears used on previous models. The rear axle diameter was also increased. Rear brakes were changed for the disc type used up to this time to a more reliable drum brake system. Individual rear wheel brakes were retained on the H3 models.
Other changes were made throughout the run from the 1968 through 1974 model years. Additional John Deere attachments were added such as the 54C center mounted grader blade and the 542 front mounted PTO.
Summary by Robb Kruger, Photos from John Deere advertising literature. 01/03/2002