1996 - Volume #20, Issue #5, Page #24
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Deere Launches Biggest Ever New Product Introduction
Leading the lineup of latest new additions to the long green line are four new 9000 Series 4-WD tractors, offering more power, comfort and convenience than the 70 Series models they replace. Powered by Deere-designed and built PowerTech diesel engines, Model 9100 is rated at 260 hp, the 9200 at 310, the 9300 at 360, and the 9400 at 425 hp.
Here, according to Deere engineers, are key features of the powerful new 4-wheelers: They're "tailor made" for narrow rows, thanks to a tight turn angle (42 degrees), good crop visibility front and rear, and the ability to set wheel treads to match your row spacings.
The new engines comply with all 1996 EPA and CARB emission regulations, and provide up to 8% better fuel economy than previous models. The 8.1-liter PowerTech engine, introduced in the Deere 8400 tractor in 1994, powers the Model 9100.
Two new PowerTechs provide power for the other 9000's. Model 9200 is equipped with a 10.5-liter engine, and the 9300 and 9400 with a 12.5-liter engine. Both use 23% fewer parts than Deere's previous 10.1-liter engine, yet can develop substantially more power with less fuel. Both feature electronically controlled unit injectors, a high-capacity turbocharger, and a cam-in-head design which eliminates push rods and lifters.
The air-to-air after-cooled engines feature a 35% torque rise for extra lugging to pull through tough spots without downshifting. They also produce additional horse-power ù called a power bulge ù over a wide rpm range with up to a 7% peak at 1,900 rpm's. This means that the 425 hp Model 9400 will deliver nearly 30 additional horsepower when the engine lugs down to 1,900 rpm's. The engines also provide up to 135% of rated-speed torque to as low as 900 rpm's for starting a load with the implement in the ground, or accelerating under load from a reduced throttle setting.
A 12-speed Syncro transmission is standard, and a 24 speed PowerSync optional, on all four 9000 Series tractors. A 12 speed Power Shift transmission is optional on all models except 9100.
The 9000 series tractors feature the same CommandView cab used on 8000 Series tractors. It's equipped with a CommandARM armrest control module which puts controls for the hitch, hydraulics, throttle, and transmission at the operator's fingertips.
New halogen infrared headlamps cast light up to 35% farther than regular halogens. An electronic decelerator enables the operator to decrease speed by as much as 30% with a foot-activated switch. Field Cruise allows the operator to maintain consistent ground speed in light load operations, such as cultivating and spraying, with the turn of a knob. Options include electro-hydraulic 3-pt. hitch, independent pto, and electro-hydraulic differential lock which can be engaged on-the-go for increased performance in soft conditions or on hillsides.
Exclusive inboard planetary final drives provide strength and durability and, unlike outboard planetaries, make it easy to use recommended cast weights on the wheels. Wet-disk power brakes on all models are self-adjusting and self-equalizing. Axles (120 in.) have a machined rack which, in conjunction with a special pinion attachment, permits a wide variety of tread adjustments, including a true 60-in. setting for 30-in. rows. The tractors can be fueled from either side, and all daily engine service can be done from the left side of the tractor with-out raising the hood.
Shipments of the new 9000 Series tractors are slated to begin in late September.
Rubber Tracked Row Crop Tractors: Deere becomes the first major tractor manufacturer to offer a choice of either tires or tracks for the 160 to 225 hp row-crop tractor market. Four track models, all based on Deere's 8000 series, are in production: 8100T(160 hp); 8200T(180 hp); 8300 T(200 hp); and the 8400T (225 hp).
The new tracked models (identified by the letter "T") are essential
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